TABLE OF CONTENTS Engineer - City of Richmond, Virginia...Concrete 03 30 00 DIVISION 31 - EARTHWORK...

04/2017 TOC 1 of 2

TABLE OF CONTENTS

60-inch Marshall Street Sewer Rehabilitation Project

Engineer

O’BRIEN & GERE ENGINEERS, INC.

4435 Waterfront Drive Suite 205

Glen Allen, VA 23060

6. Technical Specifications

DIVISION 1 - GENERAL REQUIREMENTS

Summary of Work 01 10 00

Contractors Use of Premises 01 12 00

Change Order Procedures 01 26 00

Measurement of Payment 01 29 00

Project Coordination 01 31 13

Construction Progress Schedule 01 32 16

Submittal Procedures 01 33 00

Limitation on Sequence of Construction 01 35 13

References 01 42 00

Quality Control 01 45 00

Temporary Facilities and Controls 01 51 00

Waste Material Disposal 01 56 40

Material Requirements 01 60 00

Site Clean-Up 01 74 23

Closeout Procedures 01 77 00

Special Project Provisions 01 88 13

DIVISION 3 - CONCRETE

Concrete 03 30 00

DIVISION 31 - EARTHWORK

Excavation and Backfill 31 22 00

Erosion and Sediment Control 31 25 00

Shoring , Sheeting and Bracing 31 40 00

DIVISION 32 - RESTORATION OF EXTERIOR IMPROVEMENTS

Restoration of Surfaces 32 01 00.91

DIVISION 33 - UTILITIES

Geopolymer Pipe and Manhole Rehabilitation 33 00 00

04/2017 TOC 2 of 2

Sanitary Sewer Line Television Inspection 33 01 30.16

Cleaning of Sanitary Sewers 33 01 30.41

Thermoplastic Pipe 33 30 10

Buried Piping Installation 33 30 20

Sanitary Sewer Bypass Pumping 33 31 50

7. Design Drawings

End of Contents

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60-Inch Marshall Street Sewer Rehabilitation 04/2017 Summary of Work

SECTION 01 10 00

SUMMARY OF WORK

PART 1 - GENERAL

1.1 SUMMARY

A. Section includes:

1. Project information

2. Plans and Specifications

3. Use of Premises

4. Coordination with Occupants

5. Work Restrictions

1.2 PROJECT INFORMATION

A. Project Identification: 60-Inch Marshall Street Sewer Rehabilitation Project

1. General:

a. The City of Richmond (Owner) is in the process of undertaking a significant

rehabilitation effort associated with performing an engineering assessment

and subsequent rehabilitation design of the Marshall Street 60-inch brick

combined sewer (Marshall St) from the corner of Jefferson Avenue and

Marshall Street (upstream) northwest along Marshall Street to the connection

point at the Arch Sewer (downstream), near the intersection of 16th Street and

Marshall Street. Constructed in the mid-1920’s, Marshall St combined sewer

is a critical component of the Shockoe Bottom drainage system, which serves

to prevent flooding in the Shockoe Bottom downtown business district. Since

being put into service over 90-years ago, a significant deterioration of the

brink combined sewer has caused a sinkhole to form near the intersection of

16th Street and Marshall Street.

The project site is located on Marshall Street (from the corner of Jefferson

Avenue to the Arch Sewer, near the intersection of 16th Street) in Richmond,

VA. Combined sewer flows from the Marshall St sewer into the 29’ x 16.25’

Shockoe arch sewer. Additionally, a 54-inch Interceptor (parallel to the

Shockoe arch sewer) can receive additional flow from the Marshall St

combined sewer during wet weather conditions.

Work under this project consists of: the rehabilitation of approximately

1,900 LF of the 60-inch Marshall Street combined sewer, the rehabilitation

of thirteen (13) existing manholes/access shafts, the installation of two new

manholes/access shafts, the replacement of approximately 30 LF of 12-inch

storm sewer, 600 SF of brick replacement/restoration within the combined

sewer, and the verification/abandonment of inactive service connections.

2. The Work includes:

a. Furnishing all the labor, material, superintendence, power, lighting, heating,

fueling, water, tools, equipment, supplies and associated appurtenances

required for the performance and completion of the Work under this Contract.

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b. Maintenance of the Work area.

c. Maintaining service to existing facilities at all times; including the Interceptor;

provide temporary bypass pumping as necessary or required.

d. Protection of finished and unfinished Work.

e. Repair and restoration of Work and/or adjacent facilities damaged during

construction.

3. Implied and Normally Required Work: It is the intent of these Contract Documents to

provide the Owner with complete operable systems, subsystems, and other items of

Work. Any part or item of Work which is reasonably implied or normally required to

make each installation satisfactory and completely operable is deemed to be included in

the Work and the Contract Amount. All miscellaneous appurtenances and other items

of Work incidental the intent of the Contract Documents are included in the Work and

Contract Amount even though these appurtenances may not be specifically called for in

the Contract Documents.

4. Quality of Work: Regard the apparent silence of the Contract Documents as to any

detail, or the apparent omission from them of a detailed description concerning any

Work to be done and materials to be furnished as meaning that only the best general

practice is to prevail and that only materials and workmanship of the best quality are to

be used. Interpretation of these Contract Documents will be made upon this basis.

5. Compliance with Laws: Comply with all local, Stat, and Federal laws, rules,

ordinances, and regulations applicable to this Contract and the Work completed herein.

Obtain all permits, licenses, or other authorization nec4essary for the prosecution of the

Work. The costs for all such permits shall be included in the Contract Amount and no

separate payment will be made therefor.

B. Owner: City of Richmond, Virginia Department of Public Utilities, 900 E. Broad St, Room 115,

Richmond, Virginia 23219.

C. Engineer: O’Brien & Gere Engineers, Inc., 4435 Waterfront Drive, Suite 205, Glen Allen,

Virginia 23060.

1.3 PLANS AND SPECIFICATIONS

A. Plans

1. The Plans for the work to be done under this Contract bear the general title:

CITY OF RICHMOND, VIRGINIA

DEPARTMENT OF PUBLIC UTILITIES

60-INCH MARSHALL STREET SEWER REHABILITATION PROJECT

2. When obtaining data and information from the Plans, use figures in preference to

scaled dimensions, and large-scale drawings in preference to small-scale drawings.

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B. Contractor to Check Plans and Data

1. Verify all dimensions, quantities and details shown on the Plans, Supplementary

Drawings, Schedules, Specifications or other data received from the Engineer, and

notify him of all errors, omissions, conflicts, and discrepancies found therein. Failure

to discover or correct errors, conflicts or discrepancies shall not relieve the Contractor

of full responsibility for unsatisfactory work, faulty construction or improper operation

resulting therefrom nor from rectifying such conditions at his own expense.

2. The Contractor will not be allowed to take advantage of any errors or omissions, as full

instructions will be furnished by the Engineer, should such errors or omissions be

discovered.

C. Unforeseen Physical Conditions

1. Promptly notify the Owner and the Engineer in writing of any subsurface or latent

physical conditions at the site or in an existing structure differing materially from those

indicated or referred to in the Contract Documents. The Engineer will promptly review

those conditions and advise the Owner in writing if further investigation or tests are

necessary. Promptly thereafter, the Owner shall obtain the necessary additional

investigations and tests and furnish copies to the Engineer and the Contractor.

2. If the Engineer finds that the results of such investigations or tests indicate that there

are subsurface or latent physical conditions which differ materially from those intended

in the Contract Documents, and which could not reasonably have been anticipated by

the Contractor, a Change Order shall be issued incorporating the necessary revisions.

D. Specifications

1. The Specifications consist of five divisions, of which part are included. Division 1

contains the General Requirements which govern the work and the administration of

the work.

2. Divisions 3 thru 33 contain the Technical Specifications and are divided into individual

sections, each covering a limited area of the work. Taken together, the individual

sections provide details for all the work to be performed under the Contract. Individual

sections, by themselves, may not necessarily contain sufficient details to complete the

work described in that section. Reference to additional sections of the Technical

Specifications may be necessary to determine the total work required to carry out work

specified in any individual section of the Technical Specifications.

3. It is hereby agreed that failure by the Contractor to advise his subcontractors and

suppliers of the necessity to review the Specifications as a whole, and not as individual

sections, to determine the work required or to be supplied, shall not constitute a basis

for a claim for additional compensation or an extension to the Contract completion

time.

E. Intent

1. All work called for in the Specifications applicable to this Contract, but not shown on

the Plans in their present form, or vice versa, shall be of like effect as if shown or

mentioned in both.

2. Work not specified in either the Plans or in the Specifications, but involved in carrying

out their intent or in the complete and proper execution of the work, is required and

shall be performed by the Contractor as though it were specifically delineated or

described.

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1.4 USE OF PREMISES

D. General: Contractor shall have shared use of Project site for construction operations during

construction period within project limits, as shown. Contractor's use of Project site is limited by

Owner's right to operate and maintain existing wastewater facilities.

E. Use of Site: Limit use of Project site to areas within the Contract limits indicated. Do not disturb

portions of Project site beyond areas in which the Work is indicated.

1. Limits: Confine construction operations to the limits indicated on the Contract

Drawings.

2. Owner Occupancy: Allow for Owner occupancy of Project site.

3. Driveways, Walkways and Entrances: Keep driveways, loading areas, and entrances

serving premises clear and available to Owner, Owner's employees, and emergency

vehicles at all times. Do not use these areas for parking or storage of materials.

a. Schedule deliveries to minimize use of driveways and entrances by

construction operations.

b. Schedule deliveries to minimize space and time requirements for storage of

materials and equipment on-site.

1.5 COORDINATION WITH OCCUPANTS*

A. Owner Occupancy: Owner will occupy premises during entire construction period, with

exception of areas under construction. Cooperate with Owner during construction operations to

minimize conflicts and facilitate Owner usage. Perform Work so as not to interfere with Owner's

operations. Maintain existing exits, unless otherwise indicated.

1. Maintain access to existing walkways, corridors, and other adjacent occupied or used

facilities. Do not close or obstruct walkways, corridors, or other occupied or used

facilities without written permission from Owner and authorities having jurisdiction.

2. Provide not less than 72 hours' notice to Owner of activities that will affect Owner's

operations.

B. Owner Occupancy of Completed Areas of Construction: Owner reserves the right to occupy and

to place and install equipment in completed portions of the Work, prior to Substantial Completion,

provided such occupancy does not interfere with completion of the Work. Such placement of

equipment and limited occupancy shall not constitute acceptance of the total Work.

1.6 WORK RESTRICTIONS

A. Work Restrictions, General: Comply with restrictions on construction operations.

1. Comply with limitations on use of public streets and other requirements of authorities

having jurisdiction.

B. On-Site Work Hours: In accordance with Part 2 General Conditions and Part 3 Special

Conditions.

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C. Existing Utility Interruptions: Do not interrupt utilities serving facilities occupied by Owner or

others unless permitted under the following conditions and then only after arranging to provide

temporary utility services according to requirements indicated:

1. Notify Engineer not less than five (5) days in advance of proposed utility interruptions.

2. Do not proceed with utility interruptions without Engineer and Owner’s written

permission.

PART 2 - PRODUCTS (NOT USED)

PART 3 - EXECUTION (NOT USED)

END OF SECTION

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60-Inch Marshall Street Sewer Rehabilitation 04/2017 Contractor’s Use of Premises

SECTION 01 12 00

CONTRACTOR’S USE OF PREMISES

PART 1 GENERAL

DESCRIPTION

A. Right’s of Way:

CONTRACTOR shall confine access, operations and storage areas to

rights- of-way provided by OWNER.

CONTRACTOR shall make all necessary arrangements, at no

additional cost to the OWNER, for temporary use of private properties, in

which case CONTRACTOR and CONTRACTOR’s surety shall

indemnify and hold harmless the OWNER against claims or demands

arising from such use of properties outside of rights-of-way.

Restrict total length which materials may be distributed along the route

of the construction at any one time to 1,000 linear feet unless otherwise

approved in writing by the OWNER.

B. Properties outside of Rights-of-Way

Permanent altering of properties adjacent to and along rights-of-way will

not be permitted.

Any damage to properties outside of rights-of-way shall be repaired or

replaced to the satisfaction of the OWNER at no additional cost to

the OWNER.

C. Use of Site

CONTRACTOR shall assume full responsibility for protection and

safekeeping of products stored on and off premises.

CONTRACTOR shall move stored products that interfere with the

operations of OWNER or another CONTRACTOR.

CONTRACTOR shall obtain approvals of governing authorities prior

to impeding or closing public roads or streets. Do not close more than

two consecutive intersections at one time.

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Notify the OWNER 48 hours prior to closing a street or a street

crossing. Permits for street closures are required in advance and are the

responsibility of the CONTRACTOR.

Notify the OWNER immediately prior to closing a street or a street

crossing during emergency work

Maintain access for emergency vehicles including access to fire hydrants.

Avoid obstructing drainage ditches or inlets; when obstruction is

unavoidable due to requirements of the Work, provide grading and

temporary drainage structures to maintain unimpeded flow.

Perform daily clean-up of dirt, debris, scrap materials and other

disposable items inside and outside the construction zone. Keep streets,

driveways, and sidewalks clean of dirt, debris and scrap materials. Do not

leave buildings, roads, streets or other project areas unclean overnight.

Any costs incurred by the OWNER due to the CONTRACTOR’s failure to

clean up the site will be deducted from the CONTRACTOR’s final invoice

and a penalty of $100 per indecent shall be assessed to the

CONTRACTOR.

CONTRACTOR shall obtain and pay for all additional storage or

work areas required for CONTRACTOR’S operations.

D. Notification to Property Owners and Adjacent Occupants

Notify individual occupants in areas to be affected by the Work of

the proposed construction and time schedule. Notification shall be not less

than 48 hours or more than 2 weeks prior to work being performed

within 100 feet of the homes or businesses. All public notification

activities shall be coordinated through OWNER personnel. The OWNER

will provide a sample door hanger showing form and content to be

followed. Notification shall include the date and time Work is scheduled

to begin, and the date and time Work is scheduled to be completed.

Notification shall also include contact information for the

CONTRACTOR. Notification/door hanger shall be submitted to the

OWNER for review and approval. CONTRACTOR shall place the

notification/door hanger approved by the OWNER on the affected

properties.

Notify individual occupants in areas to be affected by the emergency

Work immediately after coordinating plan of action. Continue to update

individual occupants as emergency plans change and work progresses. All

public notification activities shall be coordinated through OWNER'S

personnel and performed by the CONTRACTOR as specified in D.1.

E. Public, Temporary, and Construction Roads and Ramps

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Construct and maintain temporary detours to provide for normal public

traffic flow when use of public roads or streets is closed by necessities of

the Work.

Provide mats or other means to prevent overloading or damage to

existing roadways from tracked equipment or exceptionally large or heavy

trucks or equipment.

F. Excavation in Streets and Driveways

Avoid hindering or needlessly inconveniencing public travel on a street

or any intersecting alley or street for more than two blocks at any one

time, except by permission of the OWNER.

Obtain the OWNER’s approval when the nature of the Work requires

closing of an entire street. Permits required for street closure are the

CONTRACTOR's responsibility. Avoid unnecessary inconvenience to

abutting property owners.

Remove surplus materials and debris and open each block for public use

as work in that block is complete.

Avoid obstructing driveways or entrances to private property.

Provide temporary crossing or complete the excavation and backfill in

one continuous operation to minimize the duration of obstruction when

excavation is required across drives or entrances.

G. Maintenance and Protection of Traffic

Public Roadways:

a. The CONTRACTOR must maintain traffic control as it is

described in the latest edition of the City of Richmond’s

Work Area Traffic Control Handbooks, Volumes I and II,

VDOT regulations, the General Conditions, Special

Provisions and as described herein. Where an apparent

conflict occurs between the handbooks, the General

Conditions, Special Provisions and the requirements of this

Section, the handbooks govern. The handbooks are available

at the Bureau of Traffic Engineering, 900 East Broad

Street, Richmond, Virginia 23219 and VDOT.

b. Submit a Traffic Control Plan to the OWNER prior to work.

c. When required to cross, obstruct or temporarily close a street or

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trafficway, CONTRACTOR shall provide and maintain

suitable bridges, detours or other temporary means for the

accommodation of traffic as required by the latest edition of

the City of Richmond Traffic Control Handbooks and the

latest edition of the City of Richmond Department of Public

Works Policy for Temporary Steel Plate Bridging for General

Utility Street Work. CONTRACTOR shall furnish steel plates

and cold mix for such work. Closings shall be for the shortest

time practical, and passage shall be restored immediately after

completion of backfill and temporary paving or bridging.

d. CONTRACTOR shall give the required advance notice of

proposed operations to the fire and police departments.

e. CONTRACTOR shall give reasonable notice to owners or

tenants of private property who may be affected by the

operations. All public notification activities shall be

coordinated through OWNER’s personnel and performed by

the CONTRACTOR as specified in D.1.

f. CONTRACTOR shall provide signs, signals, barricades, flares,

lights and all other equipment, service and personnel

required to regulate and protect all traffic, and warn of

hazards. All such work shall conform to requirements of the

OWNER. Coordinate activities with the OWNER. Remove

temporary equipment and facilities when no longer required;

restore grounds to original, or to specified conditions.

g. CONTRACTOR shall maintain at all times a 10-foot-wide

all- weather lane adjacent to work areas which shall be kept

free of construction equipment and debris and shall be for

the use of emergency vehicles, or as otherwise provided in

the traffic control plan.

h. CONTRACTOR shall not obstruct the normal flow of traffic

from 7 a.m. to 9 a.m. and 4 p.m. to 6 p.m. on designated

major roadways unless directed by the OWNER.

i. CONTRACTOR shall keep streets used for entering or

leaving the job area free of excavated material, debris, and

any foreign material resulting from construction operations.

Residential Entrances:

a. CONTRACTOR shall maintain local driveway access to

residential and commercial properties adjacent to work areas

at all times or as directed by the OWNER.

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Traffic Signals and Signs:

a. Provide and operate traffic control and directional signals

required to direct and maintain an orderly flow of traffic in all

areas under CONTRACTOR's control, or affected by

CONTRACTOR's operations. All such work shall conform

to the requirements in the Virginia Department of

Transportation (VDOT) Standards.

b. Provide traffic control and directional signs, mounted on

barricades or standard posts:

(1) At each change o f d i r e c t i o n of a roadway and at

each crossroad.

(2) At detours and hazardous areas.

(3) At parking areas.

Flagpersons:

a. Provide certified and suitably equipped flagpersons when

construction operations encroach on traffic lanes, as required

for regulation of traffic and in accordance with the

requirements of the OWNER.

b. Where a railroad flagperson is required, it is the

CONTRACTOR’s responsibility to coordinate with the

applicable railroad. CONTRACTOR shall coordinate the

payment for railroad flagperson directly with the applicable

railroad agency (such as Norfolk Southern, CSX etc.) and

submit the receipt for the incurred expenditures, plus a 10%

mark-up, to the OWNER for reimbursement.

Flares and Lights:

a. Provide flares and lights during periods of low visibility:

(1) To clearly delineate traffic lanes, to guide traffic and to

warn of hazardous areas.

(2) For use by flagpersons in directing traffic.

b. Provide illumination of critical traffic and parking areas.

Parking Control:

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a. Control all CONTRACTOR related vehicular parking within

the limits of the Work to preclude interference with public

traffic or parking, access by emergency vehicles, OWNER’s

operations, or construction operations. CONTRACTOR

related vehicular parking not to be within median strips unless

approved by the OWNER. CONTRACTOR related vehicular

parking within median strips shall be allowed when the Work

is within the median strip. Provide temporary parking facilities

for the public as may be required because of construction or

operations.

b. Monitor parking of all construction and private vehicles:

(1) Maintain free vehicular access to and through parking

areas.

(2) Prohibit parking on or adjacent to access roads, or

in non- designated areas.

Site Control

a. CONTRACTOR personnel to remain at all times at open

project site. This includes, but is not limited to all break times.

H. Site Restoration

Provide site restoration as specified in Section 02110 - Clearing,

Grubbing and Site Restoration.

I. City Water

The CONTRACTOR shall obtain water required for cleaning by

connection to City fire hydrants, provided the connection is made in

accordance with City requirements. Provide notice to City Agencies

prior to withdrawing water from the hydrants. Connect to only yellow

topped fire hydrants and not silver hydrants. The CONTRACTOR shall

obtain a portable water meter from the City’s Department of Public

Utilities and attach a RPZ backflow preventer to the meter in accordance

with City standards. A $500.00 deposit for the meter is paid to the City’s

Department of Public Utilities. The contractor will pay the Department

of Public Utilities for water usage at established rates. Contact the

City’s Department of Public Utilities, Special Billing department (804

646-5270) for current water rates. Support meter and backflow

preventer so as to not damage hydrants. Be responsible for any damage

resulting from improper operation of hydrants. Do not use or obstruct a

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fire hydrant when there is a fire in the area. Remove water meters,

fittings, and piping from fire hydrants at the end of each working day.

PART 2 PRODUCTS

Not Used

PART 3 EXECUTION

Not Used

END OF SECTION

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60-Inch Marshall Street Sewer Rehabilitation 04/2017 Change Order Procedures

SECTION 01 26 00

CHANGE ORDER PROCEDURES

PART 1 - GENERAL

1.1 SUMMARY


1. Definitions

2. Changes in Construction

3. Extra Work

4. Emergency Work

5. Disputed Work

6. Omitted Work

7. Change Order Procedure

1.2 DEFINITIONS

A. In addition to the definitions included in the General Conditions, the following words and terms,

or pronouns used in their stead, shall, wherever they appear in the Contract, be construed as

follows, unless a different meaning is clear from the context:

1. “Change Order” is a contractual modification recommended by the Engineer and signed

by the Engineer, the Contractor and the Owner which orders an addition to, deletion or

revision of the work or an adjustment to the Contract Sum or an adjustment to the

Contract Period.

2. “Overhead” is defined as the cost of administration, field office and home office costs,

general and project superintendence, office engineering and estimating costs, other

required insurance, materials used in temporary structures (not including form work),

additional premiums on the performance bond of the Contractor, the use of small tools,

scheduling costs, and all other costs incidental and non-direct to the performance of the

change or the cost of doing business. Small tools are defined as any tool with a

replacement value less than $1,000 (one thousand dollars).

1.3 CHANGES IN CONSTRUCTION

A. The Owner reserves the right to make such additions, deletions, or changes to this Contract from

time to time as it deems necessary and in a manner not materially affecting the substance thereof

or materially changing the price to be paid in order to carry out and complete more fully and

perfectly the work herein agreed to be done and performed. This Contract shall not be

invalidated by any such additions, deletions or changes. The Contractor hereby waives any and

all claims for additional compensation or lost profits based upon any such additions, deletions or

changes.

B. Construction conditions may require that minor changes be made in the location and installation

of the work and equipment to be furnished and other work to be performed hereunder, and the

Contractor, when ordered by the Engineer, shall make such adjustments and changes as do not

alter the character, quantity, or cost of the work as a whole, and provided, further, that Plans and

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Specifications showing such adjustments and changes are furnished the Contractor by the Owner

within a reasonable time before any work involving such adjustments and changes is begun. The

Owner shall be the sole judge of what constitutes a minor change for which no additional

compensation shall be allowed.

1.4 EXTRA WORK

A. The Owner may at any time by a written order and without notice to the sureties require the

performance of such extra work as it may find necessary or desirable.

B. An order for extra work shall be valid only if issued in writing and signed by the Owner, and the

work so ordered shall be performed by the Contractor.

C. The amount of compensation to be paid to the Contractor for any extra work so ordered will be

determined as follows:

1. By such applicable unit prices, if any, as are set forth in the Contract Documents: or

2. If no such unit prices are set forth, then by a lump sum or other prices mutually agreed

upon by the Owner and the Contractor; or

3. If no such unit prices are set forth in the Contract Documents and if the parties cannot

agree upon a lump sum or other unit prices, then by the actual and reasonable costs.

D. Regardless of the manner in which the adjustment to the Contract Price on account of extra work

is determined, such adjustment shall be deemed to include all amounts whether direct, indirect or

consequential, resulting from the performance of the extra work, including, but not limited to,

administration, overhead, superintendence, additional insurance, materials used in temporary

structures, allowances made by the Contractor to subcontractors, additional premiums on the

Bonds and rent for tools and equipment (whether for use in performing the extra work or in

remaining idle during the performance of such extra work). The adjustment in the Contract

Price, if any, shall constitute full and mutual accord and satisfaction for all costs related to this

change.

E. Records of extra work performed hereunder, if any, will be reviewed at the end of each day by an

authorized representative. Duplicate copies of accepted records shall be made and signed by

both the Contractor and an Authorized Representative, and one copy shall be retained by each.

F. Unless otherwise specified, payment requests for approved and duly authorized extra work shall

be submitted by the Contractor upon a certified statement supported by receipted bills.

G. The Contractor shall be entitled to an extension of time for extra work duly authorized by the

Owner and recorded in the Change Order authorization only for the number of days required, in

the opinion of the Engineer, to complete such extra work, and then only if the Contractor has

strictly complied with all the requirements of the Contract Documents.

1.5 EMERGENCY WORK

A. In emergencies affecting the safety of persons or the Work or property at the site or adjacent

thereto, the Contractor, without special instruction or authorization from the Owner is obligated

to act at his discretion, to prevent threatened damage, injury or loss. He will give the Owner

prompt written notice of any significant changes in the Work or deviations from the Contract

Documents caused thereby. If the Contractor believes that additional work done by him in an

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emergency which arose from causes beyond his control entitles him to an extension of the

Contract Completion Date or an increase in the Contract Price, he may make a claim therefore as

provided in Section 4.2 of the General Conditions of the Contract.

1.6 DISPUTED WORK

A. If the Contractor is of the opinion that any work required, necessitated, or ordered violates the

terms and provisions of this Contract, he shall promptly notify the Engineer, in writing, of his

contentions with respect thereto and request a final determination thereof. If the Engineer

determines that the work in question is Contract work and not a change in work or that the order

complained of is proper, he will direct the Contractor to proceed and the Contractor shall

promptly comply. In order, however, to reserve his right to claim compensation for such work or

damages resulting from such compliance, the Contractor shall, within 15 working days after

receiving notice of the Engineer's determination and direction, notify the Owner in writing that

the work is being performed or that the determination and direction is being complied with under

protest. Failure of the Contractor so to notify shall be deemed as a waiver of claim for extra

compensation or damages therefore.

B. Before final acceptance by the Owner, all matters of dispute must be adjusted to the mutual

satisfaction of the parties thereto. Final determinations and decisions, in case any questions shall

arise, shall constitute a condition precedent to the right of the Contractor to receive the money

therefore until the matter in question has been adjusted.

1.7 OMITTED WORK

A. The Owner may at any time by a written order and without notice to the sureties require the

omission of such Contract work as it may find necessary or desirable.

B. An order for omission of work shall be valid only if signed by the Owner and the work so

ordered must be omitted by the Contractor. The amount by which the Contract price shall be

reduced shall be determined as follows:

1. By such applicable unit prices, if any, as are set forth in the Contract; or

2. By the appropriate lump sum price set forth in the Contract; or

3. By the fair and reasonable estimated cost to the Owner as mutually agreed to by the

Contractor and Engineer and approved by the Owner.

1.8 CHANGE ORDER PROCEDURE

A. Initiation: Change order proposal

1. Initiated by Engineer or Owner: The Owner or the Engineer may issue a Request for

Proposal (RFP). The Request will contain a description of the intended change with

supplementary or revised Drawings and Specifications as applicable and the projected

time for accomplishing the change.

2. Initiated by Contractor: The Contractor may propose a change in the work by submittal

of a Change Order Request (COR) to the Engineer describing the proposed change with

a statement of the reason for the change and the effect on the contract time and price,

along with supporting documentation.

B. Execution of Change Order Proposal:

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1. When a Proposal is requested for a change in the Work, the Contractor shall submit his

proposal within 14 days following receipt of the Request for Proposal to the Engineer.

The Proposal shall state the increase or decrease, if any, in the Contract Period and/or

Contract Sum.

2. The Contractor shall explain the proposal in as much detail as requested by the Owner.

3. Any decrease in Contract Sum on account of omitted Work will include appropriate

amounts for profit and overhead.

4. The Engineer shall submit the proposal to the Owner.

5. The Owner shall internally review the proposal.

6. The Owner and Engineer will review the Proposal and may request additional

information and documentation which the Contractor shall provide promptly.

7. If the Owner decides to proceed with the change, it will issue a Change Order for

signature first by the Contractor and then by the Owner.

8. The Contractor will promptly complete the approved change in the Work on receipt of

the executed Change Order.

C. Costs: The cost of both additive and deductive changes in the Work shall be determined, as

follows:

1. Labor: Applied labor cost, crew foreman and general foreman performing or directly

supervising the Work on the Site. Also included are travel and subsistence, but only in

the extent incurred.

2. Insurance: Net premium for Worker's Compensation Insurance, taxes pursuant to the

Federal Social Security Act, payments required under State and Federal unemployment

laws.

3. Additional Materials: Necessary extra materials, delivered at the Site including the

actual cost of consumable supplies. Consumable supplies shall not be determined by

the percentage of cost basis.

4. Plant and Equipment: Rent for plant and equipment shall be at the rental cost for

rentals from an independent firm (i.e. a firm which is not owned in whole or in part by

the Contractor). If the equipment is owned by the Contractor or rented from a firm in

which the Contractor has an interest, the rent shall be calculated in accordance with the

applicable provisions and terms of the current "Cost Reference Guide for Construction

Equipment" published by Dataquest.

5. Subcontractor Costs: Subcontractor's costs including subtier contractors shall be

determined by items 1 through 4 in the preceding subparagraphs. Subcontractor

overhead and profit shall be limited to the percentage amounts stipulated in the bid

regardless of the number of subtier subcontractors.

6. Overhead and Profit: Plus percentage amounts stipulated in the bid.

7. During periods of downtime, the following conditions shall also apply:

a. Payment for equipment will be on the basis of an 8-hour day.

b. No overtime will be included.

c. No compensation for subsistence will be included.

d. The rate of overhead and profit will be 10 percent.

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e. No compensation for equipment overhaul, field repair and fuel expenses shall

be included.



END OF SECTION

01 29 00-1

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60-Inch Marshall Street Sewer Rehabilitation 04/2017 Measurement and Payment

SECTION 01 29 00

MEASUREMENT AND PAYMENT

PART 1 GENERAL

1.1 SUMMARY


1. Measurement Authority

2. Type of Contract

3. Application for Payment

4. Unit Quantities Specified

5. Schedule of Contract Items

6. Defect Assessment

7. Non-payment for Rejected Products

1.2 MEASUREMENT AUTHORITY

A. Measurement: The Engineer will take all measurements and compute quantities

accordingly.

B. Assistance: Assistance to the Engineer in the form of necessary equipment and qualified personnel shall be provided by the Contractor as required for taking

measurements.

1.3 TYPE OF CONTRACT

A. Project will be constructed under a single prime contract.

B. Lump Sum Payment Items:

1. Lump sum payment items in the contract will be paid on the basis of a

Schedule of Values

2. The Contractor shall provide a Schedule of Values for the lump sum

payment items in the Contract (items listed in paragraph 1.3.B.2). Any other items of work outside of the submitted Schedule of Values provided by the

Contractor necessary to perform the work under the respective lump sum

bid items are to be submitted by the Contractor for approval and shall be

considered incidental to said items.

3. The Schedule of Values shall be submitted within 10 days of the effective

date of the agreement and prior to proceeding with the work. Payment

made on materials installed and stored on site shall be placed upon the

Schedule of Values. The Schedule of Values shall be submitted for the

following items (at a minimum):

a) Item A-1: Mobilization/Demobilization (maximum scheduled value

for mobilization shall not exceed 5% of the Base Bid).

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b) Item A-2: 60-inch Diameter Combined Sewer Rehabilitation.

Rehabilitation of approximately 1,900 linear feet of 60-inch

diameter brick sewer.

4. Revisions: With each Application for Payment revise schedule to list

approved Change Orders.

C. Unit Price Pay Items

1. The estimated number of Bid Units for Unit Price Contract Items, as listed

in the Bid Schedule, are approximate only and are included solely for the

purpose of comparison of Bids. The Owner does not expressly or by implication agree that the nature of materials encountered or required will

correspond there with and reserves the right to decrease any quantity or

eliminate any quantity as the Owner may deem necessary. Except as

provided in Paragraphs 1.3.C.2 through 1.3.C.4, the Contractor or the Owner will not be entitled to any adjustment in a unit bid price as a result of

any change in an estimated quantity and agrees to accept the aforesaid unit

bid prices as complete and total compensation for any additions caused by

changes or alterations in the Work ordered by the Owner.

2. For bid items paid for on a unit price basis, increases or decreases in the

quantity of an item of Work will be determined by comparing the total

payable quantity of Work with the unit price pay items as shown in the

Price Schedule.

3. If the total payable quantity of any unit price item of Work varies from the unit price pay items by more than 25 percent, the unit price of that item will

be a subject of review by the Owner. Only those items which have an as-bid

computed total value of 5 percent or more of the sum of the as-bid computed total values of all items bid may be subject to review by the

Owner. If warranted, an equitable adjustment will be made by means of a

Change Order to credit the Owner with any reduction in cost or to compensate Contractor for any increase in cost resulting from the change in

quantity. This review of the adjustment will be made at the sole discretion

of the Owner and at a time the Owner deems reasonable and proper.

4. Payment for any unit price item of Work, which has an as-bid computed

total value of less than 5 percent of the sum of the as-bid computed total values of all items bid, will be made at the unit price bid regardless of an

increase or decrease in quantity.

1.4 APPLICATION FOR PAYMENT

A. The Contractor shall submit to the Engineer an updated copy of the cost loaded

schedule as a basis for monthly progress payments to the Contractor. This updated schedule should be submitted to the Engineer on or before the 25th day of each

month.

B. The Engineer shall update the schedule based on the Contractor's status provided in

accordance with the schedule update requirements of Section 01 32 16 and prepare

for the Contractor's signature a partial payment request consistent with the earned

value of work as determined by the monthly schedule update.

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C. The Contractor shall review and if acceptable execute the partial payment request by

signature of an authorized officer of the Contractor and return to the Engineer for

distribution to the Owner for payment. Should the Contractor disagree with the partial payment request as presented by the Engineer, the Contractor shall respond

in writing giving reasons for the areas of disagreement.

D. Retainage from Partial Payments: Retainage in the amount of five (5) percent shall

be deducted from the partial payments as stipulated in the General Conditions and

as shown on the Partial Payment Request form.

1.5 UNIT QUANTITIES SPECIFIED

A. Quantities: Quantities and measurements indicated in the Bid Form are for bidding and Contract purposes only. Quantities and measurements supplied or placed in the

Work and verified by the Engineer and recorded in his daily report shall determine the

payment.

B. Actual Work: If the actual Work requires more or fewer quantities than those

quantities indicated, the unit prices for Bid Items A-3, A-4, A-5 and A-6 shall be used in making the calculation for any change order required as a result of the actual work

quantities.

C. Units of Work: The intention of the unit prices is to provide a complete, functioning

unit, which may include Work from several Specification Sections. All the Work which is required or which can reasonably be inferred to be required in a unit price

item to deliver a complete, functioning unit shall be included.

1.6 SCHEDULE OF CONTRACT ITEMS

A. Base Bid Items (A-1 through A-6)

B. The Base Bid includes all those items which are fully defined in the Project Manual,

Contract Drawings and Standards and anticipated to be required for completion of

the work.

1. Mobilization and Demobilization (A-1)

a) Work Included:

1) Mobilization shall include the purchase of Contract bonds and all necessary permits; transportation of all personnel,

equipment and operating supplies to the site; establishment

of offices, buildings, sanitary facilities, telephone service,

construction identification signs and other necessary facilities at the site; construction and maintenance of

temporary access roads, bridges, and maintenance and

protection of traffic during construction, erosion and sediment control measures, and other preparatory work at

the site. Mobilization shall also include the installation of

barriers and fencing to limit public access.

2) Demobilization shall include removal of all unused material

and equipment including field offices, construction barriers, and soil and erosion control materials. All work and work

areas shall be neatly cleaned upon completion according to

the Engineer’s direction and shall be left in a neat and orderly condition. Access roads constructed solely for

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Contractor’s use shall be graded to conform to adjacent

ground. Any salvaged material not specified to be disposed of otherwise shall become property of the Contractor and

removed from the site. All trash shall be removed as

directed by the Engineer and disposed of according to local

regulation.

b) Payment

The fixed lump sum price for Contract Item A-1 shall be made after the

following conditions have been met:

1) One half (1/2) of the fixed lump sum upon completion of

mobilization for Contract Item A-2 (60-Inch Diameter

Combined Sewer Rehabilitation)

2) One half (1/2) of the fixed lump sum upon completion of

demobilization for Contract Item A-2 (60-Inch Diameter

Combined Sewer Rehabilitation)

2. 60-inch Diameter Combined Sewer Rehabilitation (A-2)

a) Work Included

Under this Contract Item furnish all labor, materials, equipment and

services to perform the work under this Contract Item and appurtenant

Work as shown, specified or directed.

The limits of Work included as part of this pay items include the 60-inch

combined sewer (approximately 1,900 linear feet) and the existing access manholes spanning the limits of the project as shown in the contract

drawings.

The Work included as part of this pay item include the following:

1) Pre-CCTV inspections to verify and document interceptor

condition along the limits of the project including lateral CCTV to confirm active/inactive services. CCTV

inspection that is rejected or withdrawn will not be

measured for payment.

2) Cleaning and surface preparation of the existing sewer and

access manholes designated for rehabilitation.

3) Internal repairs (as identified on the project plans) including replacing missing brickwork (approximately 700 SF) across

the limits shown on the plans and internal lateral connection

repairs as noted in 33.00.00-8,3.4C.

4) Spray application of geopolymer coating to the sewer and access manholes at the thicknesses designated in the

contract documents.

5) Replacement of the defective 12-inch storm drain to the

limits shown on the contract drawings, including the

existing sinkhole at this location.

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6) Installation, maintenance, and removal of bypass pumping.

Contractor shall perform a site visit to confirm dry-weather

flows for sizing bypass pumping requirements.

7) All performance and acceptance testing of the rehabilitation

measures installed as part of this project. including post-

CCTV inspections.

8) All labor; materials; fuel; tools; equipment; and services;

transportation; storage; handling; traffic control (including

flagmen, cones, barricades, etc.); erosion and sediment control; excavation, backfilling and compaction; restoring

the excavation to grade; furnishing screened gravel

bedding; supplying and installing bituminous concrete; granite curbing removal and resetting; bituminous concrete

curbing removal and replacement; concrete and bituminous

concrete sidewalk removal and replacement; incidentals

and appurtenant work, all complete in accordance with the

requirements of the Contract Documents.

b) Payment

Payment for the work of this item shall be at the Lump Sum Price stated in

the bid. The cost of Bituminous Concrete, Type BM-25.0 is included in this

contract item. The finish course pavement restoration will be paid under Contract Item for Pavement Restoration (Bituminous Concrete, Type SM-

9.5 D, Complete in Place).

3. New Access Manhole (A-3)

a) Work Included:


services to perform the work under this Contract Item and appurtenant

Work as shown, specified or directed.

The limits of Work included as part of this pay items include the installation of one new access manhole along the 60-inch combined sewer as shown in

the contract drawings. This item includes but is not limited to all labor;

materials; fuel; tools; equipment; and services; transportation; storage;

handling; traffic control (including flagmen, cones, barricades, etc.); erosion and sediment control; excavation, backfilling and compaction; installation

of the new access manhole; restoring the excavation to grade; furnishing

screened gravel bedding; supplying and installing bituminous concrete; granite curbing removal and resetting; bituminous concrete curbing removal

and replacement; concrete and bituminous concrete sidewalk removal and

replacement; incidentals and appurtenant work, all complete in accordance

with the requirements of the Contract Documents.

b) Measurement

The quantity of New Access Manholes measured for payment will be the actual number of Access Manholes installed in the Work and accepted by

the Owner.

c) Payment

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Payment for New Access Manholes installed will be made at the Contract

unit price per each installed for Contract Item A-3. The cost of Bituminous Concrete, Type BM-25.0 is included in this contract item. The finish course

pavement restoration will be paid under Contract Item for Pavement

Restoration (Bituminous Concrete, Type SM-9.5 D, Complete in Place.)

4. Asphalt Milling for Pavement (A-4)

a) Work Included

Under the Contract Item furnish all labor, materials, equipment, traffic

control (including flagman, cones, barricades, arrow boards, etc.), equipment, tools, and incidentals for completion of asphalt milling as

identified herein. Surface milling shall be performed in accordance with the

requirements of the City of Richmond Department of Public Works (DPW)

Latest Standards for Repaving Utility Repairs.

b) Measurement

Asphalt Milling for Pavement will be measured for payment on the basis of square yards of asphalt milling per 2-inch thickness completed and

accepted, measured from the limits specified and/or ordered by the

OWNER.

c) Payment

Payment for Asphalt Milling for Pavement will be made at the Contract unit

price per square yards installed for Contract Item A-4.

5. Pavement Restoration (Bituminous Concrete, Type SM-9.5 D, Complete in

Place) (A-5)

a) Work Included

Under this Contract Item furnish all labor, materials, equipment, traffic

control (including flagman, cones, barricades, arrow boards, etc.),

equipment, tools, and incidentals for completion of pavement restoration as identified herein. Pavement Restoration shall be

performed in accordance with the requirements of the City of Richmond

Department of Public Works (DPW) Latest Standards for Repaving

Utility Repairs.

b) Measurement

Bituminous concrete, Type SM-9.5 D, will be measured for payment on the basis of the actual volume of concrete, in tons, placed within the

limits specified and/or ordered by the OWNER.

c) Payment

Payment for Bitiminous concrete Type SM-9.5D will be made at the

Contract unit price per tons installed for Contract Item A-5.

6. Pavement Restoration (Cobblestone) (A-6)

a) Work Included

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services to provide the delivery and installation of pavement restoration

(Cobblestone). The limits of Work included as part of this pay item shall include all labor, cobblestone, traffic control (including flagman, cones,

barricades, arrow boards, etc.), equipment, tools, and incidentals required to

place cobblestone as identified herein. This unit price also includes road

markings (as required).

b) Measurement

The quantity of Pavement Restoration (cobblestone), will be measured for payment on the basis of the actual square yards of cobblestone, placed

within the limits specified and/or ordered by the OWNER.

c) Payment

Payment for Pavement Restoration (Cobblestone) will be made at the

Contract unit price per square yards installed for Contract Item A-6.

C. Contingent Bid Items (B-1 through B-3)

1. Replace Manhole Frame and Cover with Watertight Frame and Cover (B-1)

a) Work Included

Under this Contract item, furnish all labor, materials, equipment,

transportation; storage; handling; traffic control (including flagmen, cones, barricades, etc.); erosion and sediment control; excavation, backfilling and

compaction;; restoring the excavation to grade; furnishing screened gravel

bedding; supplying and installing bituminous concrete; granite curbing

removal and resetting; bituminous concrete curbing removal and replacement; concrete and bituminous concrete sidewalk removal and


with the requirements of the Contract Documents. Included with this

Contract item is the removal and disposal of the existing frame and cover.

b) Measurement

The quantity of Watertight Manhole Frame and Cover Replacement will be

measured for payment on the basis of each Watertight Manhole Frame and

Cover replaced as ordered by the OWNER.

c) Payment

Payment for Watertight Manhole Frame and Cover Replacement will be

made at the Contract unit price per each installed for Contract Item B-1. The cost of Bituminous Concrete, Type BM-25.0 is included in this contract

item. The finish course pavement restoration will be paid under Contract

Item for Pavement Restoration (Bituminous Concrete, Type SM-9.5 D,

Complete in Place).

2. Additional 6-inch, 8-inch, 10-inch, and 12-inch PVC Pipe Replacement by

Excavation Method (B-2)

a) Work Included

Under this Contract item, furnish all labor, materials, equipment and

services to replace lateral piping extending from the main line sewer to the

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termination point at the property line. Included with this Contract item is the

removal and disposal existing lateral piping being replaced. Work under this item shall include all labor; materials; fuel; tools; equipment; and

services; transportation; storage; handling; traffic control (including

flagmen, cones, barricades, etc.); location of lateral connections;

identification of active connections, erosion and sediment control; excavation and disposal of existing lateral pipe, trench excavation,

backfilling and compaction; restoring the excavation to grade; furnishing,

laying, jointing, cleaning, and testing new pipe; site restoration; furnishing screened gravel bedding; supplying and installing bituminous concrete;

granite curbing removal and resetting; bituminous concrete curbing removal

and replacement; concrete and bituminous concrete sidewalk removal and



b) Measurement

The quantity of Additional 6-inch, 8-inch, 10-inch, and 12-inch PVC Pipe

Replacement by Excavation Method will be measured for payment on the

basis of each (includes the first 10 linear feet) replaced as ordered by the

OWNER.

c) Payment

Payment for Additional 6-inch, 8-inch, 10-inch, and 12-inch PVC Pipe

Replacement by Excavation Method will be made at the Contract unit price

for Contract Item B-2. The cost of Bituminous Concrete, Type BM-25.0 is

included in this contract item. The finish course pavement restoration will be paid under Contract Item for Pavement Restoration (Bituminous

Concrete, Type SM-9.5 D, Complete in Place).

3. Additional 6-inch, 8-inch, 10-inch, and 12-inch PVC Pipe from the Sewer

Service Reconnections to Property Line (B-3)

a) Work Included

Under this Contract item, furnish all labor, materials, equipment and

services to replace lateral piping extending from the termination of the 10-feet of pipe included in Contingent Item B-2 along the centerline of the new

lateral pipe installed terminating at the cleanout. Included with this Contract

item is the removal and disposal existing lateral piping being replaced. Work included as part of this pay items shall include all labor; materials;

fuel; tools; equipment; and services; transportation; storage; handling;

traffic control (including flagmen, cones, barricades, etc.); location of lateral connections; identification of active connections, erosion and sediment

control; excavation and disposal of existing lateral pipe, trench excavation,

backfilling and compaction; restoring the excavation to grade; furnishing,

laying, jointing, cleaning, and testing new pipe; site restoration; furnishing screened gravel bedding; supplying and installing bituminous concrete;

granite curbing removal and resetting; bituminous concrete curbing removal

and replacement; concrete and bituminous concrete sidewalk removal and replacement; incidentals and appurtenant work, all complete in accordance


01 29 00-9

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b) Measurement

The quantity of Additional 6-inch, 8-inch, 10-inch, and 12-inch PVC Pipe

from the termination of the 10-feet of pipe included in Contingent Item B-2

along the centerline of the new lateral pipe installed terminating at the

cleanout will be measured for payment on the basis of each linear foot from

the initial 10 feet to the property line replaced as ordered by the OWNER.

c) Payment

Payment for Additional 6-inch, 8-inch, 10-inch, and 12-inch PVC Pipe from

the termination of the 10-feet of pipe included in Contingent Item B-2 along

the centerline of the new lateral pipe installed terminating at the cleanout. Will be will be made at the Contract unit price will be made at the Contract

unit price for Contract Item B-3. The cost of Bituminous Concrete, Type

BM-25.0 is included in this contract item. The finish course pavement

restoration will be paid under Contract Item for Pavement Restoration

(Bituminous Concrete, Type SM-9.5 D, Complete in Place).

4. Additional 6-inch and 8-Inch Diameter Cleanout for House Service Sewer

Connections, Complete in Place (B-4)

a) Work Included

Under the Contract Items for cleanouts furnish all labor, materials,

mobilization, demobilization, traffic control (including flagman, cones, barricades, arrow boards etc.), equipment and services to install and

maintain all cleanouts, together with all associated and appurtenant Work as

specified and/or directed by the OWNER. The Work includes all

excavation, backfill and compaction, removal and disposal of excavated material, the PVC wye/sanitary tee connection to the lateral, PVC pipe from

the PVC wye to the PVC pipe plug, PVC pipe plug, mechanical joint plug,

supplying and installing the concrete encasement, compaction, repairing, loam and seed, site restoration and appurtenant Work, all complete and in

place in accordance with the Contract Documents.

b) Measurement

The quantity of Additional 6-inch, and 8-Inch Diameter Cleanout for House

Service Sewer Connections will be measured for payment on the basis of

each cleanout installed or as ordered by the OWNER.

c) Payment

Payment for Additional 6-inch, and 8-Inch Diameter Cleanout for House Service Sewer Connections will be made at the Contract unit price for

Contract Item B-4. Cleanouts which are rejected or withdrawn will not be

measured for payment.

5. Additional 6-inch and 8-inch Diameter Cleanout for House Service Sewer

Connections, Brass Frame and Cover, Complete in Place (B-5)

a) Work Included

Under the Contract Items for 6-inch and 8-inch diameter cleanouts with brass frame and cover furnish all labor, materials, mobilization,

demobilization, traffic control (including flagman, cones, barricades, arrow

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boards etc.), equipment and services to install and maintain all cleanouts,

together with all associates and appurtenant Work as specified and/or directed by the OWNER. The Work includes all excavation, backfill and

compaction, removal and disposal of excavated material, the PVC wye

connection to the lateral, PVC pipe from the PVC wye to the PVC pipe

plug, PVC pipe plug, mechanical joint plug, brass frame and cover installed in pavement and sidewalk areas, supplying and installing the concrete

encasement compaction, repairing, loam and seed, restoration of pavement

and sidewalk, site restoration and appurtenant Work, all complete and in

place in accordance with the Contract Documents.

b) Measurement

The quantity of 6-inch and 8-inch diameter cleanouts with brass frame and

cover to be measured for payment on the basis of each cleanout installed or

as ordered by the OWNER.

c) Payment

Payment for Additional 6-inch, and 8-Inch Diameter cleanouts with brass

frame and cover will be made at the Contract unit price for Contract Item B-5. Cleanouts which are rejected or withdrawn will not be measured for

payment. Cleanouts with brass frame and cover which are rejected or

withdrawn will not be measured for payment.

6. Pre-Rehabilitation Internal Repairs (Additional) (B-6)

a) Work Included


services for additional internal repairs to the 60-inch sewer, including

replacing missing brickwork, as ordered by the OWNER.

b) Measurement

The quantity of Pre-Rehabilitation Internal Repairs, to be measured for

payment will be on the basis of the actual square feet of repairs performed

or as ordered by the OWNER.

c) Payment

Payment for Pre-Rehabilitation Internal Repairs will be made at the

Contract unit price for Contract Item B-6.

1.7 DEFECT ASSESSMENT

A. Replace the Work, or portions of the Work, not conforming to the specified

requirements.

B. If, in the opinion of the Engineer, it is not practical to remove and replace the Work,

the Engineer will direct that the defective Work may remain or be partially replaced

and the price will be adjusted to a new price at the discretion of the Owner.

1.8 NON-PAYMENT FOR REJECTED PRODUCTS

A. Payment will not be made for any of the following:

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1. Products wasted or disposed of in a manner that is not acceptable.

2. Products determined as unacceptable before or after placement.

3. Products not completely unloaded from the vehicle.

4. Products placed beyond the lines and grades of the required work.

5. Contractor supplied products remaining on hand after completion of the

work.

6. Loading, hauling, and disposing of rejected products.

PART 2 PRODUCTS (NOT USED)

PART 3 EXECUTION (NOT USED)

END OF SECTION

01 31 13-1

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60-Inch Marshall Street Sewer Rehabilitation 04/2017 Project Coordination

SECTION 01 31 13

PROJECT COORDINATION

PART 1 - GENERAL

1.1 SUMMARY

A. Section includes administrative provisions for coordinating construction operations on

Project including, but not limited to, the following:

1. General project coordination procedures

2. Administrative and supervisory personnel

3. Coordination drawings

4. Requests for Information (RFIs)

5. Project meetings

B. Each contractor shall participate in coordination requirements. Certain areas of responsi-

bility are assigned to a specific contractor.

1.2 DEFINITIONS

A. RFI: Request from Owner, Engineer, or Contractor seeking information from each other

during construction.

1.3 COORDINATION

A. Coordination: Each contractor shall coordinate its construction operations with those of

other contractors and entities to ensure efficient and orderly installation of each part of

the Work. Each contractor shall coordinate its operations with operations, included in

different Sections that depend on each other for proper installation, connection, and oper-

ation.

1. Schedule construction operations in sequence required to obtain the best results

where installation of one part of the Work depends on installation of other

components, before or after its own installation.

2. Coordinate installation of different components with other contractors to ensure

maximum performance and accessibility for required maintenance, service, and

repair.

3. Make adequate provisions to accommodate items scheduled for later installation.

B. Administrative Procedures: Coordinate scheduling and timing of required administrative

procedures with other construction activities and activities of other contractors to avoid

conflicts and to ensure orderly progress of the Work. Such administrative activities in-

clude, but are not limited to, the following:

1. Preparation of Contractor's construction schedule

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2. Preparation of schedule of values

3. Installation and removal of temporary facilities and controls

4. Delivery and processing of submittals

5. Progress meetings

6. Pre-installation conferences

7. Startup and adjustment of systems

8. Project closeout activities

1.4 COORDINATION DRAWINGS

A. Coordination Drawings, General: Prepare coordination drawings in accordance with re-

quirements in individual Sections, where installation is not completely shown on Shop

Drawings, where limited space availability necessitates coordination, or if coordination is

required to facilitate integration of products and materials fabricated or installed by more

than one entity.

1. Content: Project-specific information, drawn accurately to a scale large enough

to indicate and resolve conflicts. Do not base coordination drawings on standard

printed data. Include the following information, as applicable:

a. Use applicable Contract Drawings as a basis for preparation of coordina-

tion drawings. Prepare sections, elevations, and details as needed to de-

scribe relationship of various systems and components.

b. Coordinate the addition of trade-specific information to the coordination

drawings by multiple contractors in a sequence that best provides for co-

ordination of the information and resolution of conflicts between in-

stalled components before submitting for review.

c. Indicate functional and spatial relationships of components of architec-

tural, structural, civil, mechanical, instrumentation and electrical sys-

tems.

d. Indicate space requirements for routine maintenance and for anticipated

replacement of components during the life of the installation.

e. Show location and size of access doors required for access to concealed

dampers, valves, and other controls.

f. Indicate required installation sequences.

g. Indicate dimensions shown on the Contract Drawings. Specifically note

dimensions that appear to be in conflict with submitted equipment and

minimum clearance requirements. Provide alternate sketches to Engi-

neer indicating proposed resolution of such conflicts. Minor dimension

changes and difficult installations will not be considered changes to the

Contract.

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B. Coordination Drawing Organization: Organize coordination drawings as follows:

1. Floor Plans: Show Architectural and structural elements, and mechanical,

plumbing, and electrical Work. Supplement plan drawings with section drawings

where required to adequately represent the Work.

2. Mechanical Rooms: Provide coordination drawings for mechanical rooms

showing plans and elevations of mechanical, plumbing, fire protection, fire

alarm, and electrical equipment.

3. Structural Penetrations: Indicate penetrations and openings required for all

disciplines.

4. Slab Edge and Embedded Items: Indicate slab edge locations and sizes and

locations of embedded items for metal fabrications, sleeves, anchor bolts, bearing

plates, angles, door floor closers, slab depressions for floor finishes, curbs and

housekeeping pads, and similar items.

5. Electrical Work: Show the following:

a. Runs of vertical and horizontal conduit 1-1/4 inch diameter and larger.

b. Light fixture, exit light, emergency battery pack, smoke detector, and

other fire alarm locations.

c. Panel board, switch board, switchgear, transformer, busway, generator,

and motor control center locations.

d. Location of pull boxes and junction boxes, dimensioned from column

center lines.

6. Review: Engineer will review coordination drawings to confirm that the Work is

being coordinated, but not for the details of the coordination, which are the

Contractor's responsibility. If Engineer determines that the coordination drawings

are not being prepared in sufficient scope or detail, or are otherwise deficient, the

Engineer will so inform the Contractor, who shall make changes as directed and

resubmit.

7. Coordination Drawing Prints: Prepare coordination drawing prints in accordance

with requirements of Section 01 33 00 - Submittal Procedures.

1.5 KEY PERSONNEL

A. Key Personnel Names: Within 5 days of starting construction operations, submit a list of

key personnel assignments, including superintendent and other personnel in attendance at

Project site. Identify individuals and their duties and responsibilities; list addresses and

telephone numbers, including home, office, and cellular telephone numbers and email

addresses. Provide names, addresses, and telephone numbers of individuals assigned as

standbys in the absence of individuals assigned to Project.

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1.6 REQUESTS FOR INFORMATION (RFI)

A. General: Immediately on discovery of the need for additional information or interpreta-

tion of the Contract Documents, Contractor shall prepare and submit an RFI in the form

specified.

1. Engineer will return RFIs submitted by other entities controlled by Contractor

with no response.

2. Coordinate and submit RFIs in a prompt manner so as to avoid delays in

Contractor's work or work of subcontractors.

B. Content of the RFI: Include a detailed, legible description of item needing information or

interpretation and the following:

1. Project name

2. Project number

3. Date

4. Name of Contractor

5. Name of Engineer

6. RFI number, numbered sequentially

7. RFI subject

8. Specification Section number and title and related paragraphs, as appropriate

9. Drawing number and detail references, as appropriate

10. Field dimensions and conditions, as appropriate

11. Contractor's suggested resolution. If Contractor's solution(s) impacts the Contract

Time or the Contract Price, Contractor shall state impact in the RFI.

12. Contractor's signature

13. Attachments: Include sketches, descriptions, measurements, photos, Product

Data, Shop Drawings, coordination drawings, and other information necessary to

fully describe items needing interpretation.

a. Include dimensions, thicknesses, structural grid references, and details of

affected materials, assemblies, and attachments on attached sketches.

C. RFI Forms: Software-generated form with substantially the same content as indicated

above, acceptable to Engineer.

D. Engineer will review each RFI, determine action required, and respond. In general, allow

seven (7) working days for response for each RFI. RFIs received after 1:00 p.m. will be

considered as received the following working day.

1. The following RFIs will be returned without action:

a. Requests for approval of submittals

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b. Requests for approval of substitutions

c. Requests for coordination information already indicated in the Contract

Documents

d. Requests for adjustments in the Contract Time or the Contract Price

e. Requests for interpretation of Engineer's actions on submittals

f. Incomplete RFIs or inaccurately prepared RFIs

2. Action may include a request for additional information, in which case time for

response will date from time of receipt of additional information.

3. If Contractor believes an RFI response warrants change in the Contract Time or

the Contract Price, notify Engineer in writing within 10 days of receipt of the RFI

response, in accordance with the General Conditions.

E. Review response and notify Engineer within seven days if Contractor disagrees with re-

sponse.

F. RFI Log: Engineer will prepare, maintain, and regularly distribute to Contractor a tabular

log of RFIs organized by RFI number, including the following:

1. Project name

2. Name and address of Contractor

3. Name and address of Engineer

4. RFI number

5. RFI description

6. Date the RFI was submitted

7. Date Engineer's response was received

8. Identification of related Field Order, Work Change Directive, and Change

Proposal, as appropriate

1.7 PROJECT MEETINGS

A. General: Engineer will schedule and conduct meetings and conferences at Project site,

unless otherwise indicated.

1. Attendees: Engineer will inform participants and others involved, and individuals

whose presence is required, of date and time of each meeting.

2. Agenda: Engineer will prepare the meeting agenda and distribute to all invited

attendees.

3. Minutes: Entity responsible for conducting meeting will record significant

discussions and agreements achieved. Distribute the meeting minutes to all

parties concerned, including Owner, Engineer and Contractors, within five days

of the meeting.

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B. Preconstruction Conference: Engineer will schedule and conduct a preconstruction con-

ference before starting construction, at a time convenient to Owner, but no later than 15

days after execution of the Agreement.

1. Conduct the conference to review responsibilities and personnel assignments.

2. Attendees: Authorized representatives of Owner, Engineer, and their consultants;

representatives from regulatory agencies, highway/public works, and utilities as

needed; Contractor and its superintendent; major subcontractors; suppliers; and

other concerned parties shall attend the conference. Participants at the conference

shall be familiar with Project and authorized to conclude matters relating to the

Work.

3. Agenda: Items of significance that could affect progress, including the following:

a. Tentative construction schedule

b. Phasing

c. Critical work sequencing and long-lead items

d. Designation of key personnel and their duties

e. Lines of communications

f. Procedures for processing field decisions and Change Orders

g. Procedures for RFIs

h. Procedures for testing and inspecting

i. Procedures for processing Applications for Payment

j. Distribution of the Contract Documents

k. Submittal procedures

l. Preparation of record documents

m. Use of the premises

n. Work restrictions

o. Working hours

p. Owner's occupancy requirements

q. Responsibility for temporary facilities and controls

r. Coordination of separate contracts

s. Procedures for disruptions and shutdowns

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t. Parking availability

u. Office, work, and storage areas

v. Equipment deliveries and priorities

w. First aid

x. Security

y. Progress cleaning

4. Minutes: Entity responsible for conducting meeting will record and distribute

meeting minutes.

C. Pre-installation Conferences: Conduct a pre-installation conference at Project site before

each construction activity that requires coordination with other construction.

1. Attendees: Installer and representatives of manufacturers and fabricators

involved in or affected by the installation and its coordination or integration with

other materials and installations that have preceded or will follow, shall attend

the meeting. Advise Engineer of scheduled meeting dates.

2. Agenda: Review progress of other construction activities and preparations for the

particular activity under consideration, including requirements for the following:

a. Contract Documents

b. Related RFIs

c. Related Change Orders

d. Purchases

e. Deliveries

f. Submittals

g. Review of mockups

h. Possible conflicts

i. Compatibility problems

j. Time schedules

k. Weather limitations

l. Manufacturer's written recommendations

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m. Warranty requirements

n. Compatibility of materials

o. Acceptability of substrates

p. Temporary facilities and controls

q. Space and access limitations

r. Regulations of authorities having jurisdiction

s. Testing and inspecting requirements

t. Installation procedures

u. Coordination with other work

v. Required performance results

w. Protection of adjacent work

x. Protection of construction and personnel

3. Record significant conference discussions, agreements, and disagreements,

including required corrective measures and actions.

4. Reporting: Distribute minutes of the meeting to each party present and to other

parties requiring information, including Engineer.

5. Do not proceed with installation if the conference cannot be successfully

concluded. Initiate whatever actions are necessary to resolve impediments to

performance of the Work and reconvene the conference at earliest feasible date.

D. Project Closeout Conference: Engineer will schedule and conduct a Project closeout con-

ference, at a time convenient to Owner, but no later than 30 days prior to the scheduled

date of Substantial Completion.

1. The conference is to review requirements and responsibilities related to Project

closeout.

2. Attendees: Authorized representatives of Owner, Engineer, and their consultants;

representatives from Rural Development; Contractor and its superintendent;

major subcontractors; suppliers; and other concerned parties shall attend the

meeting. Participants at the meeting shall be familiar with Project and authorized

to conclude matters relating to the Work.

3. Agenda: Discuss items of significance that could affect or delay Project closeout,

including the following:

a. Preparation of record documents

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b. Procedures required prior to inspection for Substantial Completion and

for final inspection for acceptance.

c. Submittal of written warranties

d. Requirements for preparing operations and maintenance data

e. Requirements for demonstration and training

f. Preparation of punch list

g. Procedures for processing Applications for Payment at Substantial Com-

pletion and for final payment

h. Submittal procedures

i. Coordination of separate contracts

j. Owner's partial occupancy requirements

k. Installation of Owner's furniture, fixtures, and equipment

l. Responsibility for removing temporary facilities and controls

4. Minutes: Entity conducting meeting will record and distribute meeting minutes.

E. Progress and Coordination Meetings: Engineer will conduct progress and coordination

meetings at biweekly intervals during periods of active construction.

1. Coordinate dates of meetings with preparation of payment requests.

2. Attendees: In addition to representatives of Owner and Engineer, each contractor,

subcontractor, supplier, and other entity concerned with current progress or

involved in planning, coordination, or performance of future activities shall be

represented at these meetings as well as a representative from Rural

Development. All participants at the meeting shall be familiar with Project and

authorized to conclude matters relating to the Work.

3. Agenda: Review and correct or approve minutes of previous progress and

coordination meeting. Review other items of significance that could affect

progress. Include topics for discussion as appropriate to status of Project.

a. Progress Schedule: Review progress since the last meeting. Determine

whether each activity is on time, ahead of schedule, or behind schedule,

in relation to Contractor's progress schedule. Determine how construc-

tion behind schedule will be expedited; secure commitments from parties

involved to do so. Discuss whether schedule revisions are required to

ensure that current and subsequent activities will be completed within the

Contract Time.

1) Review schedule for next period.

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b. Review present and future needs of each entity present, including the fol-

lowing:

1) Interface requirements

2) Sequence of operations

3) Status of submittals

4) Deliveries

5) Off-site fabrication

6) Access

7) Site utilization

8) Temporary facilities and controls

9) Progress cleaning

10) Quality and work standards

11) Status of correction of deficient items

12) Field observations

13) Status of RFIs

14) Status of proposal requests

15) Pending changes

16) Status of Change Orders

17) Pending claims and disputes

18) Documentation of information for payment requests

4. Minutes: Entity responsible for conducting the meeting will record and distribute

the meeting minutes to each party present and to parties requiring information.

a. Schedule Updating: Revise Contractor's progress schedule after each

progress meeting where revisions to the schedule have been made or rec-

ognized. Issue revised schedule concurrently with the report of each

meeting.

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END OF SECTION

01 32 16-1

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60-Inch Marshall Street Sewer Rehabilitation 04/2017 Construction Progress Schedule

SECTION 01 32 16

CONSTRUCTION PROGRESS SCHEDULE

PART 1 – GENERAL

1.1 SECTION INCLUDES

A. Scheduling format.

B. Submittals

C. Four-week work plan

D. Monthly progress status report.

E. Review, updates, and revisions.

F. Requests for time extensions.

1.2 DEFINITIONS

A. Baseline Schedule: The first schedule submitted by the Contractor and approved by

the Engineer.

B. Progress Schedule: Subsequent schedules submitted by the Contractor and approved

by the Engineer that modify the Baseline Schedule.

C. Contract Schedule: The Baseline Schedule and all subsequent Progress Schedules.

1.3 MEASUREMENT AND PAYMENT

A. Separate measurement or payment will not be made for work required under this

Section. All costs in connection with the work specified herein will be considered to

be included with the related item of work in the Bid Schedule of the Bid Form, or

incidental to the Work.

1.4 GENERAL

A. Contract Schedules shall represent a practical plan to complete the Work within the

Contract time(s) of completion indicated in Section 01 10 00 – Summary of Work,

and shall convey the Contractor’s intent in the manner of prosecution and progress

of the Work.

B. The scheduling and execution of construction in accordance with the Contract

Documents are the responsibility of the Contractor. The Contractor shall involve

and coordinate all Subcontractors and material Suppliers in the development and

updating of progress schedules.

C. The submittal of the Contract Schedule shall be understood to be the Contractor’s

representation that the Contract Schedule meets the requirements of the Contract

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Documents and that the Work will be executed in the sequence and duration

indicated in the Contract Schedule.

1.5 SCHEDULING FORMAT

A. The Contract Schedule shall be computer produced in the Critical Path Method

(CPM) format. The schedule shall be computer produced utilizing project

scheduling software such as Primavera, Microsoft Project, SureTrak, or other

equivalent software as approved by the Engineer.

B. The Progress Schedule shall be updated monthly and submitted as indicated in

Article 1.6, Submittals.

C. The Contract Schedule shall show Contract tasks, percent complete, progress bars,

baseline schedules, milestones, start and finish dates, and other breakdowns as

required by the Engineer. The Contract Schedule shall show clearly the sequence of

activities and shall list specifically the following activities:

1. Interim milestone completion dates. Phasing and staging of the Work as

specified shall be prominently identified.

2. Submittals and the Engineer’s review of submittals.

3. District inspection of the Work, including Preliminary Final Inspection,

Final Inspection, punch list(s), and Acceptance.

4. Acquisition of permits.

5. Any long lead time (over 60 days) orders for material and equipment.

6. Work to be performed by other contractors or agencies.

7. Delivery of District-furnished materials (DFM) and District-furnished

equipment (DFE) indicated for incorporation in the Work.

D. Descriptions of scheduled activities shall include sufficient detail to identify the

work that is to be accomplished.

1. The Contract Schedule shall contain sufficient activities to clearly show the

sequence and interdependencies of the Work. The schedule shall be

prepared in such a way that an activity or group of activities will correspond

directly with the bid item breakdown and/or the breakdown of lump sum bid

items. The Engineer may request that additional activities be added.

2. Activity durations shall be expressed in whole days. Work that is to be

performed by Subcontract shall be clearly defined.

3. Float suppression techniques, such as preferential sequencing (crew

movement, equipment use, and form reuse), extended duration, imposed

dates, scheduling of work not required for the Contract, and others, shall not

be used to affect or limit float in the Contract Schedule. The use of

constraint dates should be minimized, and must be approved by the

01 32 16-3

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Engineer.

4. Critical Path operations are those activities with a total float equal to or less

than zero. Contract Schedules with negative total float may be found to be

impractical by the Engineer.

5. A Contract Schedule showing that Work is completed in less than the

completion time specified in the Section 01 10 00 may be found to be

impractical by the Engineer.

E. A Contract Schedule showing that Work that is completed in less than the

completion time specified in Section 01 10 00 - Summary of Work, that is found to

be practical by the Engineer, shall be considered to have Float. The Float shall be

the time between the Scheduled Completion Date as indicated on the approved

Contract Schedule and the Contract Completion Date, calculated by adding the

completion time specified in Contract Specifications Section 01 10 00 - Summary of

Work, to the Notice to Proceed date.

F. Float shall not be for the exclusive benefit of either the District or the Contractor.

Float shall be a resource available to both parties. Failure to meet the Scheduled

Completion Date shall not mean delay, provided the Contract Completion Date is

met. The District shall not be responsible for any damages, including the

Contractor’s extended overhead costs or early completion delay damages, related to

the use of Float or failure to meet the Scheduled Completion Date.

G. Compensable delay, for which liquidated damages or extended overhead may be

assessed, shall mean failure to meet the Contract Completion Date or any dates

specified in Bid Form and General Conditions. Failure to meet the Scheduled

Completion Date shall not entitle the Contractor to compensable delay, if the

Contract Completion Date is met. The City shall not be responsible for any damages

related to the use of Float or to a failure to meet an Early Completion Date,

including Contractor’s extended overhead costs or early completion delay damages.

H. The use of Negative Lag is not allowed. Positive lag may be allowed subject to

approval by the Engineer.

I. A schedule found to be impractical for the preceding reasons or any other reasons

shall be revised by the Contractor and resubmitted.

1.6 SUBMITTALS

A. Refer to Section 01 33 00 - Submittal Procedures, for submittal requirements and

procedures.

B. Schedules shall be submitted in time-scaled bar-chart (Gantt) format with logic lines

shown on sheets no smaller than 22 inches wide by 34 inches long, nor larger than

34 inches wide by 44 inches long. A time-scaled logic network diagram may also be

required by the Engineer. An activity report in a tabular form showing the following

information shall be submitted with bar-chart: activity ID, description, duration,

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total float, early start, early finish, late start, late finish, predecessors, successors,

constrains, percent complete, and remaining duration.

C. All schedule submittals shall include one reproducible and six full-size copies.

D. Schedule submittals will be reviewed by the Engineer, and shall be updated and

revised as indicated in Article 1.9, Review, Updates, and Revisions. Resubmittals

shall conform to the same requirements as original submittals.

E. The Contractor shall prepare and submit all schedules and schedule analysis reports

in electronic format on MS Windows-compatible CD-ROM as well as hard copies.

F. All Contract Schedule submittals are subject to review and approval by the

Engineer. The Engineer retains the right to withhold progress payments until the

Contractor submits a Contract Schedule acceptable to the District.

G. The Contractor shall submit the Baseline Schedule within 30 days after the date of

the Notice to Proceed.

H. The first of each type of schedule and the first Monthly Progress Status Report

submitted by the Contractor will be reviewed for format, as well as content. The

Engineer may request format changes. Once the format has been approved, all

subsequent schedules and Progress Status Reports shall be submitted in the

approved format.

1.7 FOUR-WEEK WORK PLAN

A. A schedule in calendar time-scaled bar chart format depicting the Contractor’s

intended work activities for the upcoming four-week period shall be submitted on a

weekly basis and shall be due on the first working day of each week. Each activity

of one day or more in duration shall be indicated.

B. Any deviations, such as sequences of work, timing, and durations of activities from

the approved Contract Schedule, shall be noted and explained in writing.

C. The Four-Week Work Plan shall be submitted on sheets not less than 8-1/2 inches

by 11 inches, or as approved by the Engineer.

1.8 MONTHLY PROGRESS STATUS REPORT

A. The Monthly Progress Status Report shall be a narrative report that describes work

activities accomplished in the reporting period, intended work activities for the

upcoming reporting period, problems and actions intended by the Contractor to

mitigate the problems, work that is being performed out of sequence with approved

schedules, status of Change Orders, Notices of Potential Claims, status of

submittals, and status of Contractor procurement items.

B. The Contractor shall submit the report format and obtain the Engineer’s approval of

the format.

C. The Monthly Progress Status Report shall be submitted monthly on sheets no larger

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than 11 inches by 17 inches, nor any smaller than 8-1/2 inches by 11 inches.

1.9 REVIEW, UPDATES, AND REVISIONS

A. The Engineer will review and return the Contractor’s schedule submittals with

written comments according to the following schedule form the date of receipt:

Contract Schedule: 10 calendar days

Four-Week Work Plan: 5 calendar days

B. The Contractor shall make all corrections to the Contract Schedule requested by the

Engineer and resubmit the schedule for approval. If the Contractor does not agree

with the Engineer’s comments, the Contractor shall provide written notice of

disagreement within five days from the receipt of the Engineer’s comments. The

Engineer’s comments on the Four-Week Work Plan for which the Contractor

disagrees shall be resolved in a meeting held for that purpose, if necessary.

C. At least once each month, or as often as deemed necessary by the Engineer, the

Contractor shall submit a Progress Schedule showing the progress of the Work to

date and anticipated activities to be worked on, and the Monthly Progress Status

Report as specified in Article 1.07. The submittal of the Progress Schedule update

and Monthly Progress Status Report shall be at least five days prior to the submittal

of a payment invoice. No invoice will be accepted nor payment made if there is not

an approved current update in place.

D. If, according to the approved Contract Schedule, the Contractor is thirty or more

days behind the Contract Completion Date or the completion date of any milestone

indicted, considering all approved time extensions, the Contractor shall submit a

revised schedule, showing a practical plan to complete the Work within the

specified Contract completion time. The County may withhold progress payments

until a revised schedule, acceptable to the Engineer, is submitted by the Contractor.

1.10 REQUESTS FOR TIME EXTENSIONS

A. If the Contractor requests an extension of time for the completion of an interim

milestone date or Contract Completion Date, the Contractor shall furnish necessary

justification for such extension so that the Engineer can determine whether or not

the Contractor is entitled to an extension of time under the provisions of the

Contract. Submission of proof based on revised activity logic, duration, and costs is

obligatory to any approvals. The cost of such justification or subsequent schedule

revisions shall be borne solely by the Contractor.

1. The schedule shall clearly display that the Contractor has used, in full, all

the float time available for the work involved in its request.

2. The Engineer’s determination as to the total number of days of Contract

extension will be based upon the current approved Progress Schedule for the

time period in question, and all other relevant information. Actual delays in

activities that, according to the schedule, do not affect the extended and

predicted Contract completion dates as shown by the Critical Path, will not

be the basis for a change to the Contract Completion Date.

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3. After receipt of such justification and supporting evidence, the Engineer

will review the facts and advise the Contractor in writing of the Engineer’s

decision. If the Engineer determines that the Contractor is entitled to an

extension of time to an interim milestone, the Contract Completion Date

will remain the same, unless the Engineer specifies another date. Any

change to Contract milestones or to the Contract Completion Date will be

made by Change Order.

B. As part of each request for extension, a fragnet showing all schedule logic revisions,

duration changes, and cost changes for the work in question and its relationship to

other activities on the current approved Progress Schedule for the time period in

question shall be submitted.

1. If the Engineer has not yet made a full determination as to the amount of

time extension to be granted and the parties are unable to agree as to the

amount of extension to be reflected in the schedule, the Contractor shall

reflect that amount of time extension in the Progress Schedule as may be

determined to be appropriate by the Engineer for such interim purpose. It is

understood and agreed that such interim determination by the Engineer for

the purposes of this Article 1.10.B.1 will not be binding upon either party

for any other purpose, and that, after the Engineer has made a final

determination as to any time extension, the Contractor shall revise the

Progress Schedule in accordance with the final decision.

1.11 INCLEMENT WEATHER

A. The Contract Period will be adjusted to account for unusually severe weather

conditions which prevent or inhibit the Contractor’s performance of the Work and

lengthen the critical path indicated on the Schedule (such unusually severe weather

conditions referred to herein as “Inclement Weather”). It is the intent of this

provision to offset the impact of Inclement Weather with unusually favorable

weather conditions which immediately precede and/or follow the occurrence of

inclement Weather.

B. The Contractor shall notify the Engineer in writing of the occurrence of

Inclement Weather within two days after the onset of such Inclement Weather

and shall describe in reasonable detail the type of Inclement Weather

encountered by the Contractor and the Work thereby interfered with or

interrupted.

C. This provision specifies the procedure for the determination of time extensions

for unusually severe weather. In order for the Engineer to award a time

extension under this clause, the following conditions must be satisfied:

1. The weather experienced at the project site during the contract period

must be found to be unusually severe, that is, more severe than the

inclement weather anticipated for the project location during any given

month.

2. The unusually severe weather must actually cause a delay to the

completion of the project. The delay must be beyond the control and

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without the fault or negligence of the Contractor.

D. Schedule: The following Schedule of Monthly Anticipated Inclement Weather Delays is

based on National Oceanic and Atmospheric Administration (NOAA) or similar data for

the project location and will constitute the base line for monthly weather time

evaluations. The Contractor's progress schedule must reflect these anticipated inclement

weather delays in all-weather dependent activities.

SCHEDULE OF MONTHLY ANTICIPATED INCLEMENT WEATHER DELAYS

JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC

10 9 9 6 8 7 8 7 6 5 7 9

E. Records: Upon acknowledgement of the Notice to Proceed and continuing throughout

the contract, the Contractor will record daily, and submit to the Engineer, the occurrence

of inclement weather and resultant impact to normally scheduled work. Actual

inclement weather delay days must prevent work on critical activities for 50 percent or

more of the Contractor's scheduled work day.

F. Impacted Days: The number of actual inclement weather days shall include days

impacted by actual inclement weather (even if inclement weather occurred in previous

month), be calculated chronologically from the first to the last day in each month, and

be recorded as full days. If the number of actual inclement weather delay days exceeds

the number of days anticipated in the Schedule of Monthly Anticipated Inclement

Weather Delays, above, the Engineer will convert any qualifying delays to calendar

days, giving full consideration for equivalent fair weather work days, and issue a

modification in accordance with Section 01 26 00 – Change Order Procedure.

PART 2 – PRODUCTS (NOT USED)

PART 3 – EXECUTION (NOT USED)

END OF SECTION

01 33 00-1

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60-Inch Marshall Street Sewer Rehabilitation 04/2017 Submittal Procedures

SECTION 01 33 00

SUBMITTAL PROCEDURES

PART 1 - GENERAL

1.1 SUMMARY

A. Section includes requirements for the submittal schedule and administrative and

procedural requirements for submitting Shop Drawings, Product Data, Samples, and

other submittals.

B. Requirements in this Section are in addition to those specified in the General

Requirements.

1.2 DEFINITIONS

A. Action Submittals: Written and graphic information and physical samples that require

Engineer’s responsive action. Action submittals are those submittals indicated in

individual Specification Sections as action submittals. The following submittals require

approval by the Engineer:

1. Manufacturer’s Documents: Technical data, drawings and other similar

information specially prepared for this Project by product manufacturers and

suppliers, including fabrication and installation drawings, diagrams, actual

performance curves, data sheets, schedules, templates, patterns, reports,

instructions, design mix formulas, measurements, and similar information not in

standard printed form.

2. Product Data: Stock or standard printed information on materials and equipment

that has not been specially prepared for this Project, including specifications,

installation instructions, catalog cuts, wiring diagrams, and color charts.

3. Working Drawings: Technical data, drawings and other similar information

specially prepared for this Project by the Contractor or Subcontractors, including

fabrication and installation drawings, diagrams, and other similar information.

4. Samples: Physical examples of materials, equipment, or workmanship that are

representative of some portion of the Work and which establish the standards by

which such portion of the Work will be judged.

5. Mock-Ups: Special types of samples that are too large or otherwise inconvenient

for handling in the manner specified for transmittal of sample submittals.

B. Informational Submittals: Written and graphic information and physical samples that do

not require Engineer’s responsive action. Submittals may be rejected for not complying

with requirements. Informational submittals are those submittals indicated in individual

Specification Sections as informational submittals. The following submittals require

acknowledgement by the Engineer:

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1. Contractor’s Licensed Professional Submittals: Certificates and other documents

required by the Contract Documents to be prepared and submitted by the

Contractor’s Licensed Professionals.

2. Inspection and Test Reports

3. Certifications

4. Survey data and reports: property surveys, building or structure condition

surveys, field measurements, quantitative records of actual Work, damage

surveys, photographs, and similar data required by Specification sections.

5. Physical work records

6. Quality testing and certifying reports

7. Industry standards

8. Record drawings

C. File Transfer Protocol (FTP): Communications protocol that enables transfer of files to

and from another computer over a network and that serves as the basis for standard

Internet protocols. An FTP site is a portion of a network located outside of network

firewalls within which internal and external users are able to access files.

D. Portable Document Format (PDF): An open standard file format licensed by Adobe

Systems used for representing documents in a device-independent and display resolution-

independent fixed-layout document format.

E. Shop Drawings: The term “Shop Drawings”, as used in the General Conditions includes

all “Action Submittals” and “Information Submittals” as defined below.

1.3 ACTION SUBMITTALS

A. Submittal Schedule: Submit a schedule of submittals, arranged in chronological order by

dates required by construction schedule. Include time required for review, ordering,

manufacturing, fabrication, and delivery when establishing dates. Include additional time

required for making corrections or modifications to submittals noted by the Engineer and

additional time for handling and reviewing submittals required by those corrections.

1. Coordinate submittal schedule with list of subcontracts, the schedule of values,

and Contractor's construction schedule.

2. Initial Submittal: Submit concurrently with start-up construction schedule.

Include submittals required during the first 60 days of construction. List those

submittals required to maintain orderly progress of the Work and those required

early because of long lead time for manufacture or fabrication.

3. Final Submittal: Submit concurrently with the first complete submittal of

Contractor's construction schedule.

a. Submit revised submittal schedule to reflect changes in current status and

timing for submittals.

4. Format: Arrange the following information in a tabular format:

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a. Scheduled date for first submittal

b. Specification Section number and title

c. Submittal category: Action, informational

d. Name of subcontractor

e. Description of the Work covered

f. Scheduled date for Engineer’s final release or approval

g. Scheduled dates for purchasing

h. Scheduled dates for installation

i. Activity or event number

1.4 SUBMITTAL ADMINISTRATIVE REQUIREMENTS

A. Coordination: Coordinate preparation and processing of submittals with performance of

construction activities.

1. Coordinate each submittal with fabrication, purchasing, testing, delivery, other

submittals, and related activities that require sequential activity.

2. Submit all submittal items required for each Specification Section concurrently

unless partial submittals for portions of the Work are indicated on approved

submittal schedule.

3. Submit action submittals and informational submittals required by the same

Specification Section as separate packages under separate transmittals.

4. Coordinate transmittal of different types of submittals for related parts of the

Work so processing will not be delayed because of need to review submittals

concurrently for coordination.

a. Engineer reserves the right to withhold action on a submittal requiring

coordination with other submittals until related submittals are received.

B. Processing Time: Allow time for submittal review, including time for resubmittals, as

follows. Time for review shall commence on Engineer’s receipt of submittal. No

extension of the Contract Time will be authorized because of failure to transmit

submittals enough in advance of the Work to permit processing, including resubmittals.

1. Initial Review: Allow 15 days for initial review of each submittal. Allow

additional time if coordination with subsequent submittals is required. Engineer

will advise Contractor when a submittal being processed must be delayed for

coordination.

2. Intermediate Review: If intermediate submittal is necessary, process it in same

manner as initial submittal.

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3. Resubmittal Review: Allow 15 days for review of each resubmittal.

C. Identification and Information: Identify and incorporate information in each electronic

submittal file as follows:

1. Assemble complete submittal package into a single indexed file with links

enabling navigation to each item.

2. Name file with submittal number or other unique identifier, including revision

identifier.

a. File name shall use project identifier and Specification Section number

followed by a decimal point and then a sequential number (e.g., LNHS-

06100.01). Resubmittals shall include an alphabetic suffix after another

decimal point (e.g., LNHS-06100.01.A).

3. Provide means for insertion to permanently record Contractor's review and

approval markings and action taken by Engineer.

4. Include the following information on an inserted cover sheet:

a. Project name

b. Date

c. Name and address of Engineer

d. Name of Contractor

e. Name of firm or entity that prepared submittal

f. Name of subcontractor

g. Name of supplier

h. Name of manufacturer

i. Number and title of appropriate Specification Section

j. Drawing number and detail references, as appropriate

k. Location(s) where product is to be installed, as appropriate

l. Related physical samples submitted directly

m. Other necessary identification

5. Include the following information as keywords in the electronic file metadata:

a. Project name

b. Number and title of appropriate Specification Section

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c. Manufacturer name

d. Product name

D. Options: Identify options requiring selection by the Engineer.

E. Deviations: Identify deviations from the Contract Documents on submittals.

F. Transmittal: Assemble each submittal individually and appropriately for transmittal and

handling. Transmit each submittal using a transmittal form. Engineer will return

submittals without review, received from sources other than Contractor.

1. Transmittal Form: Provide locations on form for the following information:

a. Project name

b. Date

c. Destination (To:)

d. Source (From:)

e. Names of subcontractor, manufacturer, and supplier

f. Category and type of submittal

g. Submittal purpose and description

h. Specification Section number and title

i. Indication of full or partial submittal

j. Drawing number and detail references, as appropriate

k. Transmittal number, numbered consecutively

l. Submittal and transmittal distribution record

m. Remarks

n. Signature of transmitter

2. On an attached separate sheet, prepared on Contractor's letterhead, record

relevant information, requests for data, revisions other than those requested by

Engineer on previous submittals, and deviations from requirements in the

Contract Documents, including minor variations and limitations. Include same

identification information as related submittal.

G. Resubmittals: Make resubmittals in same form and number of copies as initial submittal.

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1. Note date and content of previous submittal.

2. Note date and content of revision in label or title block and clearly indicate extent

of revision.

3. Resubmit submittals until they are marked with approval notation from

Engineer’s action stamp.

H. Distribution: Furnish copies of final submittals to manufacturers, subcontractors,

suppliers, fabricators, installers, authorities having jurisdiction, and others as necessary

for performance of construction activities. Show distribution on transmittal forms.

I. Use for Construction: Use only final submittals that are marked with approval notation

from Engineer’s action stamp.

PART 2 - PRODUCTS

2.1 SUBMITTAL PROCEDURES

A. General Submittal Procedure Requirements: Prepare and submit submittals required by

individual Specification Sections. Types of submittals are indicated in individual Specifi-

cation Sections.

1. Submit electronic submittals via email as PDF electronic files.

a. Engineer will return annotated file. Annotate and retain one copy of file

as an electronic Project record document file.

2. Closeout Submittals and Maintenance Material Submittals: Comply with

requirements specified in Section 01 77 00 - Closeout Procedures.

3. Certificates and Certifications Submittals: Provide a statement that includes

signature of entity responsible for preparing certification. Certificates and

certifications shall be signed by an officer or other individual authorized to sign

documents on behalf of that entity.

a. Provide a digital signature with digital certificate on electronically-

submitted certificates and certifications where indicated.

b. Provide a notarized statement on original paper copy certificates and

certifications where indicated.

4. Test and Inspection Reports Submittals: Comply with requirements specified in

the Section entitled "Quality Requirements."

B. Product Data: Collect information into a single submittal for each element of construc-

tion and type of product or equipment.

1. If information must be specially prepared for submittal because standard

published data are not suitable for use, submit as Shop Drawings, not as Product

Data.

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2. Mark each copy of each submittal to show which products and options are

applicable.

3. Include the following information, as applicable:

a. Manufacturer's catalog cuts

b. Manufacturer's product specifications

c. Standard color charts

d. Statement of compliance with specified referenced standards

e. Testing by recognized testing agency

f. Application of testing agency labels and seals

g. Notation of coordination requirements

h. Availability and delivery time information

4. For equipment, include the following in addition to the above, as applicable:

a. Wiring diagrams showing factory-installed wiring

b. Printed performance curves

c. Operational range diagrams

d. Clearances required to other construction, if not indicated on

accompanying Shop Drawings.

5. Submit Product Data before or concurrent with Samples.

6. Submit Product Data in the following format:

a. PDF electronic file

C. Shop Drawings: Prepare Project-specific information, drawn accurately to scale. Do not

base Shop Drawings on reproductions of the Contract Documents or standard printed da-

ta, unless submittal based upon Engineer’s digital data drawing files is otherwise permit-

ted.

1. Preparation: Fully illustrate requirements in the Contract Documents. Include the

following information, as applicable:

a. Identification of products

b. Schedules

c. Compliance with specified standards

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d. Notation of coordination requirements

e. Notation of dimensions established by field measurement

f. Relationship and attachment to adjoining construction clearly indicated.

g. Seal and signature of professional engineer if specified

2. Sheet Size: Except for templates, patterns, and similar full-size drawings, submit

Shop Drawings on sheets at least 8-1/2 by 11 inches but no larger than 30 by 42

inches.

3. Submit Shop Drawings in the following format:


D. Samples: Submit Samples for review of kind, color, pattern, and texture for a check of

these characteristics with other elements and for a comparison of these characteristics be-

tween submittal and actual component as delivered and installed.

1. Transmit Samples that contain multiple, related components such as accessories

together in one submittal package.

2. Identification: Attach label on unexposed side of Samples that includes the

following:

a. Generic description of Sample

b. Product name and name of manufacturer

c. Sample source

d. Number and title of applicable Specification Section

3. Disposition: Maintain sets of approved Samples at Project site, available for

quality-control comparisons throughout the course of construction activity.

Sample sets may be used to determine final acceptance of construction associated

with each set.

a. Samples that may be incorporated into the Work are indicated in

individual Specification Sections. Such Samples must be in an

undamaged condition at time of use.

b. Samples not incorporated into the Work, or otherwise designated as

Owner's property, are the property of Contractor.

4. Samples for Initial Selection: Submit manufacturer's color charts consisting of

units or sections of units showing the full range of colors, textures, and patterns

available.

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a. Number of Samples: Submit two full set(s) of available choices where

color, pattern, texture, or similar characteristics are required to be

selected from manufacturer's product line. Engineer will return submittal

with options selected.

5. Samples for Verification: Submit full-size units or Samples of size indicated,

prepared from same material to be used for the Work, cured and finished in

manner specified, and physically identical with material or product proposed for

use, and that show full range of color and texture variations expected. Samples

include, but are not limited to, the following: partial sections of manufactured or

fabricated components; small cuts or containers of materials; complete units of

repetitively used materials; swatches showing color, texture, and pattern; color

range sets; and components used for independent testing and inspection.

a. Number of Samples: Submit three sets of Samples. Engineer will retain

two Sample sets; remainder will be returned.

1) Submit a single Sample where assembly details, workmanship,

fabrication techniques, connections, operation, and other similar

characteristics are to be demonstrated.

2) If variation in color, pattern, texture, or other characteristic is in-

herent in material or product represented by a Sample, submit at

least three sets of paired units that show approximate limits of

variations.

E. Product Schedule: As required in individual Specification Sections, prepare a written

summary indicating types of products required for the Work and their intended location.

Include the following information in tabular form:

1. Type of product. Include unique identifier for each product indicated in the

Contract Documents.

2. Manufacturer and product name, and model number if applicable.

3. Number and name of room or space

4. Location within room or space

5. Submit product schedule in the following format:


F. Contractor's Construction Schedule: Comply with requirements specified in the Section

entitled "Construction Progress Documentation."

G. Application for Payment: Comply with requirements specified in General Conditions.

H. Schedule of Values: Comply with requirements specified in General Conditions.

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I. Subcontract List: Prepare a written summary identifying individuals or firms proposed

for each portion of the Work, including those who are to furnish products or equipment

fabricated to a special design. Include the following information in tabular form:

1. Name, address, and telephone number of entity performing subcontract or

supplying products.

2. Number and title of related Specification Section(s) covered by subcontract.

3. Drawing number and detail references, as appropriate, covered by subcontract.

4. Submit subcontract list in the following format:


J. Coordination Drawings: Comply with requirements specified in Section 01 31 13 - Pro-

ject Coordination.

K. Qualification Data: Prepare written information that demonstrates capabilities and expe-

rience of firm or person. Include lists of completed projects with project names and ad-

dresses, contact information of Engineers and owners, and other information specified.

L. Welding Certificates: Prepare written certification that welding procedures and personnel

comply with requirements in the Contract Documents. Submit record of Welding Proce-

dure Specification and Procedure Qualification Record on American Welding Society

(AWS) forms. Include names of firms and personnel certified.

M. Installer Certificates: Submit written statements on manufacturer's letterhead certifying

that Installer complies with requirements in the Contract Documents and, where required,

is authorized by manufacturer for this specific Project.

N. Manufacturer Certificates: Submit written statements on manufacturer's letterhead certi-

fying that manufacturer complies with requirements in the Contract Documents. Include

evidence of manufacturing experience where required.

O. Product Certificates: Submit written statements on manufacturer's letterhead certifying

that product complies with requirements in the Contract Documents.

P. Material Certificates: Submit written statements on manufacturer's letterhead certifying

that material complies with requirements in the Contract Documents.

Q. Material Test Reports: Submit reports written by a qualified testing agency, on testing

agency's standard form, indicating and interpreting test results of material for compliance

with requirements in the Contract Documents.

R. Product Test Reports: Submit written reports indicating current product produced by

manufacturer complies with requirements in the Contract Documents. Base reports on

evaluation of tests performed by manufacturer and witnessed by a qualified testing agen-

cy, or on comprehensive tests performed by a qualified testing agency.

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S. Research Reports: Submit written evidence, from a model code organization acceptable

to authorities having jurisdiction, that product complies with building code in effect for

Project. Include the following information:

1. Name of evaluation organization

2. Date of evaluation

3. Time period when report is in effect

4. Product and manufacturers' names

5. Description of product

6. Test procedures and results

7. Limitations of use

T. Schedule of Tests and Inspections: Comply with requirements specified in Section 01 14

00 - Quality Control.

U. Preconstruction Test Reports: Submit reports written by a qualified testing agency, on

testing agency's standard form, indicating and interpreting results of tests performed be-

fore installation of product, for compliance with performance requirements in the Con-

tract Documents.

V. Compatibility Test Reports: Submit reports written by a qualified testing agency, on test-

ing agency's standard form, indicating and interpreting results of compatibility tests per-

formed before installation of product. Include written recommendations for primers and

substrate preparation needed for adhesion.

W. Field Test Reports: Submit reports indicating and interpreting results of field tests per-

formed either during installation of product or after product is installed in its final loca-

tion, for compliance with requirements in the Contract Documents.

X. Request for “Or Equal” or Substitution: Follow the General Conditions, except for the

following; Contractor shall reimburse OWNER for EGNIEER’s charges for evaluating a

proposed “Or Equal” that receives a negative determination.

Y. Design Data: Prepare and submit written and graphic information, including, but not lim-

ited to, performance and design criteria, list of applicable codes and regulations, and cal-

culations. Include list of assumptions and other performance and design criteria and a

summary of loads. Include load diagrams if applicable. Provide name and version of

software, if any, used for calculations. Include page numbers.

2.2 DELEGATED-DESIGN SERVICES

A. Performance and Design Criteria: Where professional design services or certifications by

a design professional are specifically required of Contractor by the Contract Documents,

provide products and systems complying with specific performance and design criteria

indicated.

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1. If criteria indicated are not sufficient to perform services or certification required,

submit a written request for additional information to Engineer.

B. Delegated-Design Services Certification: In addition to Shop Drawings, Product Data,

and other required submittals, submit digitally-signed PDF electronic file and three paper

copies of certificate, signed and sealed by the responsible design professional, for each

product and system specifically assigned to Contractor to be designed or certified by a

design professional.

1. Indicate that products and systems comply with performance and design criteria

in the Contract Documents. Include list of codes, loads, and other factors used in

performing these services.

PART 3 - EXECUTION

3.1 CONTRACTOR'S REVIEW

A. Action and Informational Submittals: Review each submittal and check for coordination

with other Work of the Contract and for compliance with the Contract Documents. Note

corrections and field dimensions. Mark with approval stamp before submitting to Engi-

neer.

B. Project Closeout and Maintenance/Material Submittals: Refer to requirements in the Sec-

tion entitled "Closeout Procedures."

C. Approval Stamp: Stamp each submittal with a uniform, approval stamp. Include Project

name and location, submittal number, Specification Section title and number, name of re-

viewer, date of Contractor's approval, and statement certifying that submittal has been re-

viewed, checked, and approved for compliance with the Contract Documents.

3.2 ENGINEER’S ACTION

A. General: Engineer will not review submittals that do not bear Contractor's approval

stamp and will return them without action.

B. Action Submittals: Engineer will review each submittal, make marks to indicate correc-

tions or modifications required, and return it. Engineer will stamp each submittal with an

action stamp and will mark stamp appropriately to indicate action, as follows:

1. “Reviewed,” if no change or rejection is made.

2. “Reviewed and Noted,” if minor changes or additions are made but resubmittal is

not considered necessary.

3. “Resubmit,” if the changes requested are extensive. In this case, the Contractor

shall resubmit the items after correction.

4. “Rejected,” if it is considered that the data submitted cannot, with reasonable

revision, meet the requirements of the Contract Documents.

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C. Informational Submittals: Engineer will review each submittal and will not return it, or

will return it if it does not comply with requirements. Engineer will forward each submit-

tal to appropriate party.

D. Partial submittals prepared for a portion of the Work will be reviewed when use of partial

submittals has received prior approval from Engineer.

E. Incomplete submittals are not acceptable, will be considered nonresponsive, and will be

returned without review.

F. Submittals not required by the Contract Documents may not be reviewed and may be dis-

carded.

END OF SECTION

01 35 13-1

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60-Inch Marshall Street Sewer Rehabilitation 04/2017 Limitation on Sequence of Construction

SECTION 01 35 13

LIMITATIONS ON SEQUENCE OF CONSTRUCTION

PART 1 - GENERAL

1.1 SUMMARY


1. Operation of Existing Facilities

2. Limitations of Construction

B. Related Sections:

1. Section 01 32 16 – Construction Progress Schedule

1.2 OPERATION OF EXISTING FACILITIES

A. The existing sanitary, storm and combined sewers are to be maintained in continuous operation

at all times. All costs associated with maintaining the existing facilities in operation shall be

included in the applicable Contract Items and no separate payment will be made therefore.

B. The Contractor shall keep the Engineer fully advised as to his plans for carrying out the work

and obtain the Engineer's approval for all phases of his operations as hereinafter specified.

C. Any temporary structures, programming, connections, piping, control equipment, and other work

necessary to maintain service during the construction period shall be made as a part of the work.

D. All work shall be performed to avoid damage to existing structures and equipment. Before

starting work on any modifications to existing facilities, the Contractor shall submit a schedule to

the Engineer for approval, comprising a detailed sequence of operations for these modifications,

which demonstrates that operation of these existing facilities will be maintained. All construction

shall be in accordance with the approved schedule. At no time shall the service performed by

any operating pipeline, equipment or structures be interrupted without specific prior approval of

the Engineer.

E. Temporary programming, facilities, and equipment shall be provided as required and directed to

maintain pipelines, equipment, systems, processes, auxiliaries, appurtenances and structures in

service. Any temporary work not required after completion of the work shall be promptly

removed.

1.3 LIMITATIONS ON SEQUENCE OF CONSTRUCTION

A. In accordance with the requirements of Section 01 32 16, prepare and submit a comprehensive

schedule of the Contractor’s proposed sequence of construction for review by the Engineer.

B. Work on this Contract shall be coordinated with the operation of the in-service facilities. The

Contractor shall notify the Engineer of the Contractor's planned procedures for each specific

alteration of existing facilities before the alteration begins. The Contractor shall not begin any

alteration until specific permission has been granted by the Engineer with sufficient advance

notice as not to impact the Contractor's schedule. The making of connections to existing

01 35 13-2

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facilities or other operations that interfere with the operation of the existing equipment shall be

completed as quickly as possible and with as little delay as possible.

C. Authorized Owner personnel will perform all changes to the operational functions of the in-

service facilities identified as necessary to facilitate the Work of the Contractor. All changes to

the operational functions of the in-service facilities must be approved by the Owner, upon

recommendation of the Engineer.

D. If it is necessary for proper operation or maintenance of the in-service facilities pipelines, the

Contractor shall reschedule his operations so that his work will not conflict with necessary

operation or maintenance of the facilities. Such rescheduling shall not be cause for a time

extension except as provided for in the General Conditions.

E. The Engineer shall be the sole judge of when the Contractor's operations are causing interference

with in-service facilities operations, and his orders and instructions shall be carried out without

delay.

F. The Contractor is required to perform certain functions in an order that will allow the existing

facilities to remain in operation. The Contractor shall perform items of work under the Contract

in a sequence of his choosing to meet his "Progress Schedule" specified in Section 01 32 16. The

following limitations on the sequence of construction shall be incorporated into the Contractor’s

sequence of construction and shall apply at all times, except as may be modified in writing by the

Engineer.

1. General: The primary limitations for the work are as follows:

a. The City of Richmond Combined Sewer System covers a large area and rain

events anywhere in the system can cause flow and level variations.

Wastewater and stormwater flows and velocities in the 60-inch Marshall

Street combined sewer will vary rapidly and widely in response to rain events

and may affect the work under this contract. The City has no control of these

wet weather overflows and the Contractor shall be responsible to safeguard

workers, materials, equipment, existing facilities, and protect the work from

damage due to flooding dry weather and wet weather flow rates, and all flow

rate changes.

b. The Contractor shall stop work during the wet weather condition. The

contractor shall include in the Contractor's progress schedule the anticipated

adverse weather delays described in Section 01 32 16, 1.11 INCLEMENT

WEATHER, D which have been included in the Calendar Days for

Completion of the Work From Notice to Proceed table in the project book.

Specification Section 01 32 16, 1.11 INCLEMENT WEATHER, describes

the procedure for the determination of time extensions for unusually severe

weather.

c. The Contractor shall submit the required submittals per Section 01 32 16 for

review within two weeks from notice to proceed.

d. The Contractor shall be responsible for coordinating with the Engineer on the

site to verify adequacy of the work area and determine if any soil and erosion

measures, geo-textile fabric or VDOT stone will be required for the work

prior to mobilizing equipment to the site.

e. The Contractor shall be responsible for demobilization of the equipments and

site clean-up to the satisfaction of the City.

01 35 13-3

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END OF SECTION

01 42 00-1

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60-Inch Marshall Street Sewer Rehabilitation 04/2017 References

SECTION 01 42 00

REFERENCES

PART 1 - GENERAL

1.1 SUMMARY

A. General: Basic Contract definitions are included in the General Conditions.

1. "Directed": A command or instruction by Engineer. Other terms including

"requested," "authorized," "selected," "required," and "permitted" have the same

meaning as "directed."

2. "Indicated": Requirements expressed by graphic representations or in written form on

Contract Drawings, in Specifications, and in other Contract Documents. Other terms

including "shown," "noted," "scheduled," and "specified" have the same meaning as

"indicated."

3. "Regulations": Laws, ordinances, statutes, and lawful orders issued by authorities

having jurisdiction, and rules, conventions, and agreements within the construction

industry that control performance of the Work.

4. "Furnish": Supply and deliver to Project site, ready for unloading, unpacking,

assembly, installation, and similar operations.

5. "Install": Operations at Project site including unloading, temporarily storing,

unpacking, assembling, erecting, placing, anchoring, applying, working to dimension,

finishing, curing, protecting, cleaning, and similar operations.

6. "Provide": Furnish and install, complete and ready for the intended use.

1.2 INDUSTRY STANDARDS

A. Applicability of Standards: Unless the Contract Documents include more stringent requirements,

applicable construction industry standards have the same force and effect as if bound or copied directly

into the Contract Documents to the extent referenced. Such standards are made a part of the Contract

Documents by reference.

B. Publication Dates: Comply with standards in effect as of date of the Contract Documents unless otherwise

indicated.

C. Copies of Standards: Each entity engaged in construction on Project should be familiar with industry

standards applicable to its construction activity. Copies of applicable standards are not bound with the

Contract Documents.

1. Where copies of standards are needed to perform a required construction activity,

obtain copies directly from publication source.

1.3 ABBREVIATIONS AND ACRONYMS

A. Reference to a technical society, trade association or standards setting organization, may be made in the

Specifications by abbreviations in accordance with the following list:

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1. Industry Organizations: Where abbreviations and acronyms are used in Specifications

or other Contract Documents, they shall mean the recognized name of the entities

indicated in Gale's "Encyclopedia of Associations" or in Columbia Books' "National

Trade & Professional Associations of the United States."

2. Industry Organizations: Where abbreviations and acronyms are used in Specifications

or other Contract Documents, they shall mean the recognized name of the entities in the

following list. Names, telephone numbers, and Web sites are subject to change and are

believed to be accurate and up-to-date as of the date of the Contract Documents.

AA Aluminum Association, Inc. (The) (703) 358-2960

www.aluminum.org

AASHTO American Association of State Highway and Transportation Officials (202) 624-5800

www.transportation.org

ACI American Concrete Institute (248) 848-3700

www.concrete.org

ACPA American Concrete Pipe Association (972) 506-7216

www.concrete-pipe.org

AGC Associated General Contractors of America (The) (703) 548-3118

www.agc.org

AI Asphalt Institute (859) 288-4960

www.asphaltinstitute.org

AISC American Institute of Steel Construction (800) 644-2400

www.aisc.org (312) 670-2400

AISI American Iron and Steel Institute (202) 452-7100

www.steel.org

ANSI American National Standards Institute (202) 293-8020

www.ansi.org

APA Architectural Precast Association (239) 454-6989

www.archprecast.org

ASCE American Society of Civil Engineers (800) 548-2723

www.asce.org (703) 295-6300

ASME ASME International (800) 843-2763

(American Society of Mechanical Engineers International) (973) 882-1170

www.asme.org

ASSE American Society of Sanitary Engineering (440) 835-3040

www.asse-plumbing.org

ASTM ASTM International (610) 832-9500

(American Society for Testing and Materials International)

www.astm.org

AWWA American Water Works Association (800) 926-7337

www.awwa.org (303) 794-7711

01 42 00-3

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CRSI Concrete Reinforcing Steel Institute (847) 517-1200

www.crsi.org

CSI Construction Specifications Institute (The) (800) 689-2900

www.csinet.org (703) 684-0300

EJCDC Engineers Joint Contract Documents Committee (703) 295-5000

www.ejdc.org

ICRI International Concrete Repair Institute, Inc. (847) 827-0830

www.icri.org

NACE NACE International (800) 797-6623

(National Association of Corrosion Engineers International) (281) 228-6200

www.nace.org

NEMA National Electrical Manufacturers Association (703) 841-3200

www.nema.org

NFPA NFPA (800) 344-3555

(National Fire Protection Association) (617) 770-3000

www.nfpa.org

NRMCA National Ready Mixed Concrete Association (888) 846-7622

www.nrmca.org (301) 587-1400

NSF NSF International (800) 673-6275

(National Sanitation Foundation International) (734) 769-8010

www.nsf.org

NSSGA National Stone, Sand & Gravel Association (800) 342-1415

www.nssga.org (703) 525-8788

PCI Precast/Prestressed Concrete Institute (312) 786-0300

www.pci.org

SAE SAE International (877) 606-7323

www.sae.org (724) 776-4841

SSPC SSPC: The Society for Protective Coatings (877) 281-7772

www.sspc.org (412) 281-2331

TPI Turfgrass Producers International (800) 405-8873

www.turfgrasssod.org (847) 649-5555

UL Underwriters Laboratories Inc. (877) 854-3577

www.ul.com (847) 272-8800

3. Code Agencies: Where abbreviations and acronyms are used in Specifications or other

Contract Documents, they shall mean the recognized name of the entities in the

following list. Names, telephone numbers, and Web sites are subject to change and are

believed to be accurate and up-to-date as of the date of the Contract Documents.

USBC Virginia Uniform Statewide Building Code

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VECC Virginia Energy Conservation Code

SFPC Statewide Fire Prevention Code – Virginia

VFGC Virginia Fuel Gas Code

VMC Virginia Mechanical Code

VPC Virginia Plumbing Code

ICC International Code Council

www.icsafe.org

(888) 422-7233

4. Federal Government Agencies: Where abbreviations and acronyms are used in

Specifications or other Contract Documents, they shall mean the recognized name of

the entities in the following list. Names, telephone numbers, and Web sites are subject

to change and are believed to be accurate and up-to-date as of the date of the Contract

Documents.

ACE Army Corps of Engineers (202) 761-0011

www.usace.army.mil

CPSC Consumer Product Safety Commission (800) 638-2772

www.cpsc.gov (301) 504-7923

DOC Department of Commerce (202) 482-2000

www.commerce.gov

DOD Department of Defense (215) 697-6257

http://.dodssp.daps.dla.mil

DOE Department of Energy (202) 586-9220

www.energy.gov

EPA Environmental Protection Agency (202) 272-0167

www.epa.gov

FAA Federal Aviation Administration (866) 835-5322

www.faa.gov

FCC Federal Communications Commission (888) 225-5322

www.fcc.gov

FDA Food and Drug Administration (888) 463-6332

www.fda.gov

GSA General Services Administration (800) 488-3111

www.gsa.gov

HUD Department of Housing and Urban Development (202) 708-1112

www.hud.gov

LBL Lawrence Berkeley National Laboratory (510) 486-4000

www.lbl.gov

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NCHRP National Cooperative Highway Research Program

(See TRB)

NIST National Institute of Standards and Technology (301) 975-6478

www.nist.gov

OSHA Occupational Safety & Health Administration (800) 321-6742

www.osha.gov (202) 693-1999

PBS Public Buildings Service

(See GSA)

PHS Office of Public Health and Science (202) 690-7694

www.hhs.gov/ophs

RUS Rural Utilities Service (202) 720-9540

(See USDA)

SD State Department (202) 647-4000

www.state.gov

TRB Transportation Research Board (202) 334-2934

http://gulliver.trb.org

USDA Department of Agriculture (202) 720-2791

www.usda.gov

USPS Postal Service (202) 268-2000

www.usps.com

B. Common abbreviations which may be found in the Specifications are:

Alternating current a-c Fahrenheit F

Ante meridiem am Feet ft

Ampere A Feet per hour fph

Average avg Feet per minute fpm

Biochemical oxygen demand BOD Feet per second fps

Brake horsepower Bhp Figure Fig

British thermal unit Btu Flange Flg

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Foot-pound Ft-lb

Centigrade C Gallons per minute Gpm

Company Co Gallons per second gps

Cubic inch cu in Gram g

Cubic foot cu ft Hertz Hz

Cubic yard cy Hour Hr

Cubic feet per minute cfm Horsepower Hp

Cubic feet per second cfs Inch in

Decibel db Inch-pound in-lb

Degree centigrade (or

Celsius) (say) 20 C Inside diameter id

Degree Fahrenheit 68F Kilovolt-ampere Kva

Diameter diam Kilowatt Kw

Direct current d-c Kilowatt-hour Kwhr

Dollars $ Linear foot lf

Each ea Liter l

Efficiency eff Revolutions per minute Rpm

Maximum max Second sec

Mercury Hg Specific gravity Sp gr

Milligram mg Square Sq

Milligrams per liter Mg/l Square foot Sq ft

Milliliter Ml Square inch Sq in

Millimeter Mm Square yard sy

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Million gallon Mil Standard Std

Million gallons per day Mgd Standard cubic feet per minute scfm

Minimum Min Total dynamic head Tdh

Net positive suction head Npsh Totally-enclosed-fan-cooled Tefc

Number No. Volt V

National Pipe Threads NPT Vertical foot Vf

Ounce Oz

Outside diameter od

Parts per million Ppm

Post meridiem pm

Pound Lb

Pounds per square foot psf

Pounds per square inch Psi

Pounds per square inch

absolute psia

Pounds per square inch gage Psig



END OF SECTION

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60-Inch Marshall Street Sewer Rehabilitation 04/2017 Quality Control

SECTION 01 45 00

QUALITY CONTROL

PART 1 - GENERAL

1.1 SUMMARY

A. Section includes administrative and procedural requirements for quality assurance and

quality control.

B. Testing and inspecting services are required to verify compliance with requirements

specified or indicated. These services do not relieve Contractor of responsibility for

compliance with the Contract Document requirements.

1. Specific quality-assurance and quality-control requirements for individual

construction activities are specified in the Sections that specify those activities.

Requirements in those Sections may also cover production of standard products.

2. Specified tests, inspections, and related actions do not limit Contractor's other

quality-assurance and quality-control procedures that facilitate compliance with

the Contract Document requirements.

3. Requirements for Contractor to provide quality-assurance and -control services

required by Engineer, Owner, or authorities having jurisdiction are not limited

by provisions of this Section.

1.2 DEFINITIONS

A. In addition to the definitions included in the General Conditions, the following words

and terms, or pronouns used in their stead, shall, wherever they appear in this Contract,

be construed as follows, unless a different meaning is clear from the context:

1. “Quality-Assurance Services” are activities, actions, and procedures performed

before and during execution of the Work to guard against defects and

deficiencies and substantiate that proposed construction will comply with

requirements.

2. “Quality-Control Services” are tests, inspections, procedures, and related

actions during and after execution of the Work to evaluate that actual products

incorporated into the Work and completed construction comply with

requirements. Services do not include contract enforcement activities

performed by Engineer.

3. “Mockups” are full size physical assemblies that are constructed on-site.

Mockups are constructed to verify selections made under sample submittals; to

demonstrate aesthetic effects and, where indicated, qualities of materials and

execution; to review coordination, testing, or operation; to show interface

between dissimilar materials; and to demonstrate compliance with specified

installation tolerances. Mockups are not Samples. Unless otherwise indicated,

approved mockups establish the standard by which the Work will be judged.

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4. “Preconstruction Testing” is defined as tests and inspections performed

specifically for the Project before products and materials are incorporated into

the Work to verify performance or compliance with specified criteria.

5. “Product Testing” is defined as tests and inspections that are performed by an

NRTL, an NVLAP, or a testing agency qualified to conduct product testing and

acceptable to authorities having jurisdiction, to establish product performance

and compliance with specified requirements.

6. “Source Quality-Control Testing” is defined as tests and inspections that are

performed at the source, i.e., plant, mill, factory, or shop.

7. “Field Quality-Control Testing” is defined as tests and inspections that are

performed on-site for installation of the Work and for completed Work.

8. “Testing Agency” is an entity engaged to perform specific tests, inspections, or

both. Testing laboratory shall mean the same as testing agency.

9. “Installer/Applicator/Erector” is a Contractor or another entity engaged by

Contractor as an employee, Subcontractor, or Sub-subcontractor, to perform a

particular construction operation, including installation, erection, application,

and similar operations.

a. Use of trade-specific terminology in referring to a trade or entity does

not require that certain construction activities be performed by

accredited or unionized individuals, or that requirements specified

apply exclusively to specific trade or trades.

10. “Experienced” when used with an entity or individual, "experienced" means

having successfully completed a minimum of five previous projects similar in

nature, size, and extent to this Project; being familiar with special requirements

indicated; and having complied with requirements of authorities having

jurisdiction.

1.3 CONFLICTING REQUIREMENTS

A. Referenced Standards: If compliance with two or more standards is specified and the

standards establish different or conflicting requirements for minimum quantities or

quality levels, comply with the most stringent requirement. Refer conflicting

requirements that are different, but apparently equal, to Engineer for a decision before

proceeding.

B. Minimum Quantity or Quality Levels: The quantity or quality level shown or specified

shall be the minimum provided or performed. The actual installation may comply

exactly with the minimum quantity or quality specified, or it may exceed the minimum

within reasonable limits. To comply with these requirements, indicated numeric values

are minimum or maximum, as appropriate, for the context of requirements. Refer

uncertainties to Engineer for a decision before proceeding.

1.4 INFORMATIONAL SUBMITTALS

A. Contractor's Quality-Control Plan: For quality-assurance and quality-control activities

and responsibilities.

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B. Contractor's Quality-Control Manager Qualifications: For supervisory personnel.

C. Testing Agency Qualifications: For testing agencies specified in "Quality Assurance"

Article to demonstrate their capabilities and experience. Include proof of qualifications

in the form of a recent report on the inspection of the testing agency by a recognized

authority.

D. Schedule of Tests and Inspections: Prepare in tabular form and include the following:

1. Specification Section number and title

2. Entity responsible for performing tests and inspections

3. Description of test and inspection

4. Identification of applicable standards

5. Identification of test and inspection methods

6. Number of tests and inspections required

7. Time schedule or time span for tests and inspections

8. Requirements for obtaining samples

9. Unique characteristics of each quality-control service

1.5 CONTRACTOR'S QUALITY-CONTROL PLAN.

A. Quality-Control Plan, General: Submit quality-control plan within 10 days following

Notice to Proceed, and not less than five days prior to preconstruction conference.

Submit in format acceptable to Engineer. Identify personnel, procedures, controls,

instructions, tests, records, and forms to be used to carry out Contractor's quality-

assurance and quality-control responsibilities. Coordinate with Contractor's construction

schedule.

B. Quality-Control Personnel Qualifications: Engage qualified full-time personnel trained

and experienced in managing and executing quality-assurance and quality-control

procedures similar in nature and extent to those required for Project.

1. Project quality-control manager may also serve as Project superintendent.

C. Submittal Procedure: Describe procedures for ensuring compliance with requirements

through review and management of submittal process. Indicate qualifications of

personnel responsible for submittal review.

D. Testing and Inspection: Include in quality-control plan a comprehensive schedule of

Work requiring testing or inspection, including the following:

1. Contractor-performed tests and inspections including subcontractor-performed

tests and inspections. Include required tests and inspections and Contractor-

elected tests and inspections.

2. Owner-performed tests and inspections indicated in the Contract Documents.

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E. Continuous Inspection of Workmanship: Describe process for continuous inspection

during construction to identify and correct deficiencies in workmanship in addition to

testing and inspection specified. Indicate types of corrective actions to be required to

bring work into compliance with standards of workmanship established by Contract

requirements.

F. Monitoring and Documentation: Maintain testing and inspection reports including log

of approved and rejected results. Include work Engineer has indicated as

nonconforming or defective. Indicate corrective actions taken to bring nonconforming

work into compliance with requirements. Comply with requirements of authorities

having jurisdiction.

1.6 REPORTS AND DOCUMENTS

A. Test and Inspection Reports: Prepare and submit certified written reports specified in

other Sections. Include the following:

1. Date of issue

2. Project title and number

3. Name, address, and telephone number of testing agency

4. Dates and locations of samples and tests or inspections

5. Names of individuals making tests and inspections

6. Description of the Work and test and inspection method

7. Identification of product and Specification Section

8. Complete test or inspection data

9. Test and inspection results and an interpretation of test results

10. Record of temperature and weather conditions at time of sample taking and

testing and inspecting

11. Comments or professional opinion on whether tested or inspected Work

complies with the Contract Document requirements

12. Name and signature of laboratory inspector

13. Recommendations on retesting and re-inspecting

B. Manufacturer's Technical Representative's Field Reports: Prepare written information

documenting manufacturer's technical representative's tests and inspections specified in

other Sections. Include the following:

1. Name, address, and telephone number of technical representative making report

2. Statement on condition of substrates and their acceptability for installation of

product

3. Statement that products at Project site comply with requirements

4. Summary of installation procedures being followed, whether they comply with

requirements and, if not, what corrective action was taken.

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5. Results of operational and other tests and a statement of whether observed

performance complies with requirements

6. Statement whether conditions, products, and installation will affect warranty

7. Other required items indicated in individual Specification Sections.

C. Factory-Authorized Service Representative's Reports: Prepare written information

documenting manufacturer's factory-authorized service representative's tests and

inspections specified in other Sections. Include the following:

1. Name, address, and telephone number of factory-authorized service

representative making report

2. Statement that equipment complies with requirements

3. Results of operational and other tests and a statement of whether observed

performance complies with requirements

4. Statement whether conditions, products, and installation will affect warranty

5. Other required items indicated in individual Specification Sections

D. Permits, Licenses, and Certificates: For Owner's records, submit copies of permits,

licenses, certifications, inspection reports, releases, jurisdictional settlements, notices,

receipts for fee payments, judgments, correspondence, records, and similar documents,

established for compliance with standards and regulations bearing on performance of the

Work.

1.7 QUALITY ASSURANCE

A. General: Qualifications paragraphs in this article establish the minimum qualification

levels required; individual Specification Sections specify additional requirements.

B. Manufacturer Qualifications: A firm experienced in manufacturing products or systems

similar to those indicated for this Project and with a record of successful in-service

performance, as well as sufficient production capacity to produce required units.

C. Fabricator Qualifications: A firm experienced in producing products similar to those

indicated for this Project and with a record of successful in-service performance, as well

as sufficient production capacity to produce required units.

D. Installer Qualifications: A firm or individual experienced in installing, erecting, or

assembling work similar in material, design, and extent to that indicated for this Project,

whose work has resulted in construction with a record of successful in-service

performance.

E. Professional Engineer Qualifications: A professional engineer who is legally qualified

to practice in jurisdiction where Project is located and who is experienced in providing

engineering services of the kind indicated. Engineering services are defined as those

performed for installations of the system, assembly, or product that are similar to those

indicated for this Project in material, design, and extent.

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F. Specialists: Certain Specification Sections require that specific construction activities

shall be performed by entities who are recognized experts in those operations.

Specialists shall satisfy qualification requirements indicated and shall be engaged for the

activities indicated.

1. Requirements of authorities having jurisdiction shall supersede requirements for

specialists.

G. Testing Agency Qualifications: An NRTL, an NVLAP, or an independent agency with

the experience and capability to conduct testing and inspecting indicated, as documented

according to ASTM E 329; and with additional qualifications specified in individual

Sections; and where required by authorities having jurisdiction, that is acceptable to

authorities.

1. NRTL: A nationally recognized testing laboratory according to 29 CFR 1910.7.

2. NVLAP: A testing agency accredited according to NIST's National Voluntary

Laboratory Accreditation Program.

H. Manufacturer's Technical Representative Qualifications: An authorized representative

of manufacturer who is trained and approved by manufacturer to observe and inspect

installation of manufacturer's products that are similar in material, design, and extent to

those indicated for this Project.

I. Factory-Authorized Service Representative Qualifications: An authorized representative

of manufacturer who is trained and approved by manufacturer to inspect installation of

manufacturer's products that are similar in material, design, and extent to those indicated

for this Project.

J. Preconstruction Testing: Where testing agency is indicated to perform preconstruction

testing for compliance with specified requirements for performance and test methods,

comply with the following:

1. Contractor responsibilities include the following:

a. Provide test specimens representative of proposed products and

construction.

b. Submit specimens in a timely manner with sufficient time for testing

and analyzing results to prevent delaying the Work.

c. Provide sizes and configurations of test assemblies and mockups to

adequately demonstrate capability of products to comply with

performance requirements.

d. Build site-assembled test assemblies and mockups using installers who

will perform same tasks for Project.

e. When testing is complete, remove test specimens, assemblies, and

mockups, do not reuse products on Project.

2. Testing Agency Responsibilities: Submit a certified written report of each test,

inspection, and similar quality-assurance service to Engineer with copy to

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Contractor. Interpret tests and inspections and state in each report whether

tested and inspected work complies with or deviates from the Contract

Documents.

K. Mockups: Before installing portions of the Work requiring mockups, build mockups for

each form of construction and finish required to comply with the following

requirements, using materials indicated for the completed Work:

1. Build mockups in location and of size indicated or, if not indicated, as directed

by Engineer.

2. Notify Engineer seven days in advance of dates and times when mockups will

be constructed.

3. Employ supervisory personnel who will oversee mockup construction. Employ

workers that will be employed during the construction at the Project.

4. Demonstrate the proposed range of aesthetic effects and workmanship.

5. Obtain Engineer's approval of mockups before starting work, fabrication, or

construction.

a. Allow seven days for initial review and each re-review of each

mockup.

6. Maintain mockups during construction in an undisturbed condition as a

standard for judging the completed Work.

7. Demolish and remove mockups when directed, unless otherwise indicated.

1.8 QUALITY CONTROL

A. Owner Responsibilities: Where quality-control services are indicated as Owner's

responsibility, Owner will engage a qualified testing agency to perform these services.

1. Owner will furnish Contractor with names, addresses, and telephone numbers

of testing agencies engaged and a description of types of testing and inspecting

they are engaged to perform.

2. Costs for retesting and re-inspecting construction that replaces or is necessitated

by work that failed to comply with the Contract Documents will be charged to

Contractor.

B. Contractor Responsibilities: Tests and inspections not explicitly assigned to Owner are

Contractor's responsibility. Perform additional quality-control activities required to

verify that the Work complies with requirements, whether specified or not.

1. Unless otherwise indicated, provide quality-control services specified and those

required by authorities having jurisdiction. Perform quality-control services

required of Contractor by authorities having jurisdiction, whether specified or

not.

2. Where services are indicated as Contractor's responsibility, engage a qualified

testing agency to perform these quality-control services.

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a. Contractor shall not employ same entity engaged by Owner, unless

agreed to in writing by Owner.

3. Notify testing agencies at least 24 hours in advance of time when Work that

requires testing or inspecting will be performed.

4. Where quality-control services are indicated as Contractor's responsibility,

submit a certified written report, in duplicate, of each quality-control service.

5. Testing and inspecting requested by Contractor and not required by the Contract

Documents are Contractor's responsibility.

6. Submit additional copies of each written report directly to authorities having

jurisdiction, when they so direct.

C. Manufacturer's Field Services: Where indicated, engage a factory-authorized service

representative to inspect field-assembled components and equipment installation,

including service connections. Report results in writing as specified in Division 01

Section "Submittal Procedures."

D. Manufacturer's Technical Services: Where indicated, engage a manufacturer's technical

representative to observe and inspect the Work. Manufacturer's technical representative's

services include participation in pre-installation conferences, examination of substrates

and conditions, verification of materials, observation of Installer activities, inspection of

completed portions of the Work, and submittal of written reports.

E. Retesting/Re-inspecting: Regardless of whether original tests or inspections were

Contractor's responsibility, provide quality-control services, including retesting and re-

inspecting, for construction that replaced Work that failed to comply with the Contract

Documents.

F. Testing Agency Responsibilities: Cooperate with Engineer and Contractor in

performance of duties. Provide qualified personnel to perform required tests and

inspections.

1. Notify Engineer and Contractor promptly of irregularities or deficiencies

observed in the Work during performance of its services.

2. Determine the location from which test samples will be taken and in which in-

situ tests are conducted.

3. Conduct and interpret tests and inspections and state in each report whether

tested and inspected work complies with or deviates from requirements.

4. Submit a certified written report, in duplicate, of each test, inspection, and

similar quality-control service through Contractor.

5. Do not release, revoke, alter, or increase the Contract Document requirements

or approve or accept any portion of the Work.

6. Do not perform any duties of Contractor.

G. Associated Services: Cooperate with agencies performing required tests, inspections,

and similar quality-control services, and provide reasonable auxiliary services as

requested. Notify agency sufficiently in advance of operations to permit assignment of

personnel. Provide the following:

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1. Access to the Work

2. Incidental labor and facilities necessary to facilitate tests and inspections

3. Adequate quantities of representative samples of materials that require testing

and inspecting. Assist agency in obtaining samples.

4. Facilities for storage and field curing of test samples.

5. Delivery of samples to testing agencies

6. Preliminary design mix proposed for use for material mixes that require control

by testing agency.

7. Security and protection for samples and for testing and inspecting equipment at

Project site.

H. Coordination: Coordinate sequence of activities to accommodate required quality-

assurance and -control services with a minimum of delay and to avoid necessity of

removing and replacing construction to accommodate testing and inspecting.

1. Schedule times for tests, inspections, obtaining samples, and similar activities.

I. Schedule of Tests and Inspections: Prepare a schedule of tests, inspections, and similar

quality-control services required by the Contract Documents as a component of the

Contractor's quality-control plan. Coordinate and submit concurrently with Contractor's

construction schedule. Update as the Work progresses.

1. Distribution: Distribute schedule to Owner, Engineer, testing agencies, and

each party involved in performance of portions of the Work where tests and

inspections are required.

1.9 COSTS OF INSPECTION

A. Owner's Obligation: Initial inspection and testing of materials furnished under this

Contract will be performed by the Owner or his authorized Representatives or inspection

bureaus without cost to the Contractor, unless otherwise expressly specified. If

subsequent testing is necessary due to failure of the initial tests or because of rejection

for noncompliance, reimburse the Owner for expenditures incurred in making such tests.

B. Contractor's Obligation: Include in the Contract Price, the cost of all shop and field tests

of equipment and other tests specifically called for in the Contract Documents. The

Owner may perform tests on any material or equipment furnished under this Contract at

any time during the Contract. If tests performed by the Owner result in failure or

rejection for noncompliance, reimburse the Owner for expenditures incurred in making

such tests. Tests performed by the Owner shall prevail in determining compliance with

Contract requirements.

C. Reimbursements to Owner:

1. Materials and equipment submitted by the Contractor as the equivalent to those

specifically named in the Contract may be tested by the Owner for compliance.

Reimburse the Owner for expenditures incurred in making such tests on

materials and equipment which are rejected for noncompliance.

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2. Reimburse Owner for the costs of jobsite inspection on weekends and holidays,

and between the hours of 5:00 p.m. and 8:00 a.m. on workdays unless the

weekend, holiday or after-hours work is specifically required by the Owner to

minimize operational impact or traffic disruption. Jobsite inspection costs for

weekend, holidays or after-hours work, if authorized, solely to make up

schedule slippage shall be reimbursable.

3. Reimburse Owner for all costs associated with Witness Tests which exceed 5

Calendar Days per kind of equipment.

1.10 FAILURE TO COMPLY WITH CONTRACT

A. Unacceptable Materials: If it is ascertained by testing or inspection that the material or

equipment does not comply with the Contract, do not deliver said material or equipment,

or if delivered remove it promptly from the site or from the Work and replace it with

acceptable material without additional cost to the Owner. Fulfill all obligations under the

terms and conditions of the Contract even though the Owner or the Owner's Authorized

Representatives fail to ascertain noncompliance or notify the Contractor of

noncompliance.


PART 3 - EXECUTION

3.1 TEST AND INSPECTION LOG

A. Prepare a record of tests and inspections. Include the following:

1. Date test or inspection was conducted.

2. Description of the Work tested or inspected.

3. Date test or inspection results were transmitted to Engineer.

4. Identification of testing agency or special inspector conducting test or

inspection.

B. Maintain log at Project site. Post changes and modifications as they occur. Provide

access to test and inspection log for Engineer's reference during normal working hours.

3.2 REPAIR AND PROTECTION

A. General: On completion of testing, inspecting, sample taking, and similar services,

repair damaged construction and restore substrates and finishes.

1. Provide materials and comply with installation requirements specified in other

Specification Sections or matching existing substrates and finishes. Restore

patched areas and extend restoration into adjoining areas with durable seams

that are as invisible as possible. Comply with the Contract Document

requirements for cutting and patching.

B. Protect construction exposed by or for quality-control service activities.

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C. Repair and protection are Contractor's responsibility, regardless of the assignment of

responsibility for quality-control services.

END OF SECTION

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60-Inch Marshall Street Sewer Rehabilitation 04/2017 Temporary Facilities and Controls

SECTION 01 50 00

TEMORARY FACILITIES AND CONTROLS

PART 1 - GENERAL

1.1 SUMMARY

A. Section includes requirements for temporary utilities, support facilities, and security and

protection facilities.

1.2 GENERAL REQUIREMENTS

A. Plant and Facilities: Furnish, install, maintain and remove all false work, scaffolding,

ladders, hoistways, braces, pumping plants, shields, trestles, roadways, sheeting,

centering forms, barricades, drains, flumes, control equipment, and the like, any of

which may be needed in the construction of any part of the Work and which are not

herein described or specified in detail. Accept responsibility for the safety and

efficiency of such works and for any damage that may result from their failure or from

their improper construction, maintenance or operation and indemnify and save harmless

the Owner and Engineer from all claims, suits or actions and damages or costs arising by

reason of failure of temporary structures.

B. First Aid: Maintain a readily accessible, completely equipped first aid kit at each

location where work is in progress.

C. Safety Responsibility: Accept sole responsibility for safety and security at the site.

Comply with all OSHA regulations. Indemnify and hold harmless the Owner and the

Owner's Authorized Representatives, including Engineer, for any safety violation, or

noncompliance with governing bodies and their regulations, and for accidents, deaths,

injuries, or damage at the site during occupancy or partial occupancy of the site by

Contractor's forces while performing any part of the Work. Provide any training for the

Engineer to enter all areas of the Work including Confined Space Entry training at no

additional cost to the Contract.

1.3 INFORMATIONAL SUBMITTALS

A. Site Plan: Show temporary facilities, utility hookups, staging areas, and parking areas

for construction personnel.


A. Electric Service: Comply with NECA, NEMA, and UL standards and regulations for

temporary electric service. Install service to comply with NFPA 70.

B. Tests and Inspections: Arrange for authorities having jurisdiction to test and inspect

each temporary utility before use. Obtain required certifications and permits.

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1.5 PROJECT CONDITIONS

A. Temporary Use of Permanent Facilities: Engage installer of each permanent service to

assume responsibility for operation, maintenance, and protection of each permanent

service during its use as a construction facility before Owner's acceptance, regardless of

previously assigned responsibilities.

PART 2 - PRODUCTS

2.1 MATERIALS

A. Chain-Link Fencing: Minimum 2-inch, 0.148-inch thick, galvanized steel, chain-link

fabric fencing; minimum 6 feet high with galvanized steel pipe posts; minimum 2-3/8-

inch OD line posts and 2-7/8-inch OD corner and pull posts, with 1-5/8-inch OD top

rails, with galvanized barbed-wire top strand.

B. Polyethylene Sheet: Reinforced, fire-resistive sheet, 10 mils minimum thickness, with

flame-spread rating of 15 or less per ASTM E 84.

C. Dust Control Adhesive-Surface Walk-off Mats: Provide mats minimum 36 by 60

inches.

D. Insulation: Unfaced mineral-fiber blanket, manufactured from glass, slag wool, or rock

wool; with maximum flame-spread and smoke-developed indexes of 25 and 50,

respectively.

2.2 TEMPORARY FACILITIES

A. Contractors Field Offices, General: Prefabricated or mobile units with serviceable

finishes, temperature controls, and foundations adequate for normal loading.

B. Storage and Fabrication Sheds: Provide sheds sized, furnished, and equipped to

accommodate materials and equipment for construction operations.

1. Store combustible materials apart from building.

2.3 EQUIPMENT

A. Fire Extinguishers: Portable, UL rated; with class and extinguishing agent as required

by locations and classes of fire exposures.

B. HVAC Equipment: Unless Owner authorizes use of permanent HVAC system, provide

vented, self-contained, liquid-propane-gas or fuel-oil heaters with individual space

thermostatic control.

1. Use of gasoline-burning space heaters, open-flame heaters, or salamander-type

heating units is prohibited.

2. Heating Units: Listed and labeled for type of fuel being consumed, by a testing

agency acceptable to authorities having jurisdiction, and marked for intended

use.

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3. Permanent HVAC System: If Owner authorizes use of permanent HVAC

system for temporary use during construction, provide filter with MERV of 8 at

each return air grille in system and remove at end of construction and clean

HVAC system as required in Section entitled "Closeout Procedures".

C. Air Filtration Units: HEPA primary and secondary filter-equipped portable units with

four-stage filtration. Provide single switch for emergency shutoff. Configure to run

continuously.

PART 3 - EXECUTION

3.1 INSTALLATION, GENERAL

A. Locate facilities where they will serve Project adequately and result in minimum

interference with performance of the Work. Relocate and modify facilities as required by

progress of the Work.

1. Locate facilities to limit site disturbance as specified in Section entitled

"Summary."

B. Provide each facility ready for use when needed to avoid delay. Do not remove until

facilities are no longer needed or are replaced by authorized use of completed permanent

facilities.

3.2 TEMPORARY UTILITIES

A. Water: There is no water supply available at the inlet and outlet chambers for cleaning

operations. All water for cleaning operations shall be from recycled wastewater from the

collection system, hauled to the site or pumped from the adjacent James River. The

Contractor is allowed to withdraw up to 2 mgd per day from the James River for

cleaning if there is inadequate flow in the collection system. The Contractor shall furnish

the withdrawal and pumping system as part of the lump sum cleaning line item. The

Contractor shall measure and record the daily amount withdrawn from the river and

provide the records daily to the Engineer.

B. Light and Power: Provide without additional cost to the Owner temporary lighting and

power facilities required for the proper construction and inspection of the Work. If, in

the Engineer's opinion, these facilities are inadequate, do NOT proceed with any portion

of the Work affected thereby. Maintain temporary lighting and power until the Work is

accepted. Provide and pay for any conduit, wire, cables, transformers, switches,

appurtenances and permits necessary for temporary light and power.

C. Heat: Provide temporary heat, whenever required, for work being performed during cold

weather to prevent freezing of concrete, water pipes, and other damage to the Work or

existing facilities.

D. Sanitary Facilities: Provide sufficient sanitary facilities for construction personnel.

Prohibit and prevent nuisances on the site of the Work or on adjoining property.

Discharge any employee who violates this rule. Abide by all environmental regulations

or laws applicable to the Work. Furnish and maintain ample washrooms, toilet facilities

and drinking water in strict conformity with the law for employees.

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E. Heating and Cooling: Provide temporary heating and cooling required by construction

activities for curing or drying of completed installations or for protecting installed

construction from adverse effects of low temperatures or high humidity. Select

equipment that will not have a harmful effect on completed installations or elements

being installed.

F. Isolation of Work Areas in Occupied Facilities: Prevent dust, fumes, and odors from

entering occupied areas.

1. Prior to commencing work, isolate the HVAC system in area where work is to

be performed in accordance with approved coordination drawings.

a. Disconnect supply and return ductwork in work area from HVAC

systems servicing occupied areas.

b. Maintain negative air pressure within work area using HEPA-equipped

air filtration units, starting with commencement of temporary partition

construction, and continuing until removal of temporary partitions is

complete.

2. Maintain dust partitions during the Work. Use vacuum collection attachments

on dust-producing equipment. Isolate limited work within occupied areas using

portable dust containment devices.

3. Perform daily construction cleanup and final cleanup using approved, HEPA-

filter-equipped vacuum equipment.

G. Ventilation and Humidity Control: Provide temporary ventilation required by

construction activities for curing or drying of completed installations or for protecting

installed construction from adverse effects of high humidity. Select equipment that will

not have a harmful effect on completed installations or elements being installed.

Coordinate ventilation requirements to produce ambient condition required and

minimize energy consumption.

1. Provide dehumidification systems when required to reduce substrate moisture

levels to level required to allow installation or application of finishes.

H. Electric Power Service: Provide electric power service and distribution system of

sufficient size, capacity, and power characteristics required for construction operations.

I. Lighting: Provide temporary lighting with local switching that provides adequate

illumination for construction operations, observations, inspections, and traffic

conditions.

1. Install and operate temporary lighting that fulfills security and protection

requirements without operating entire system.

3.3 SUPPORT FACILITIES INSTALLATION

A. General: Comply with the following:

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1. Provide construction for temporary offices, shops, and sheds located within

construction area or within 30 feet of building lines that is noncombustible

according to ASTM E 136. Comply with NFPA 241.

2. Maintain support facilities until Engineer schedules Substantial Completion

inspection. Remove before Substantial Completion. Personnel remaining after

Substantial Completion will be permitted to use permanent facilities, under

conditions acceptable to Owner.

B. Temporary Roads and Paved Areas: Construct and maintain temporary roads and paved

areas adequate for construction operations. Locate temporary roads and paved areas

within construction limits indicated on Contract Drawings.

1. Provide dust-control treatment that is non-polluting and non-tracking. Reapply

treatment as required to minimize dust.

C. Traffic Controls: Comply with requirements of authorities having jurisdiction.

1. Protect existing site improvements to remain including curbs, pavement, and

utilities.

2. Maintain access for fire-fighting equipment and access to fire hydrants.

3. Contractor is responsible for following the City traffic control policies and

procedures. Contractor shall submit and receive approval of any traffic control

plans required by the Owner.

D. Parking: Provide and maintain suitable parking in designated or approved areas for the

use of all construction workers and others performing work or furnishing services in

connection with the Contract, to avoid any need for parking personal vehicles where

they may interfere with public traffic or construction activities..

E. Dewatering Facilities and Drains: Comply with requirements of authorities having

jurisdiction. Maintain Project site, excavations, and construction free of water.

1. Dispose of rainwater in a lawful manner that will not result in flooding Project

or adjoining properties nor endanger permanent Work or temporary facilities.

2. Remove snow and ice as required to minimize accumulations.

F. Project Signs: Provide Project signs as indicated on the Contract Drawing. Unauthorized

signs are not permitted.

1. Temporary Signs: Provide other signs as required to inform public and

individuals seeking entrance to Project.

a. Provide temporary, directional signs for construction personnel and

visitors.

2. Maintain and touchup signs so they are legible at all times.

G. Waste Disposal Facilities: Provide waste-collection containers in sizes adequate to

handle waste from construction operations. Comply with requirements of authorities

having jurisdiction. Comply with Section 01 56 40 – Waste Material Disposal.

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H. Lifts and Hoists: Provide facilities necessary for hoisting materials and personnel.

1. Truck cranes and similar devices used for hoisting materials are considered

"tools and equipment" and not temporary facilities.

I. Temporary Stairs: Until permanent stairs are available, provide temporary stairs where

ladders are not adequate.

J. Temporary Use of Permanent Stairs: Use of new stairs for construction traffic will be

permitted, provided stairs are protected and finishes restored to new condition at time of

Substantial Completion.

3.4 SECURITY AND PROTECTION FACILITIES INSTALLATION

A. Environmental Protection: Provide protection, operate temporary facilities, and conduct

construction as required to comply with environmental regulations and that minimize

possible air, waterway, and subsoil contamination or pollution or other undesirable

effects.

1. Comply with work restrictions specified in Section 01 10 00 – Summary of

Work.

2. Temporary Erosion and Sedimentation Control: Comply requirements specified

in Section 31 25 00 Erosion and Sedimentation Control.

B. Public Utility Installations and Structures:

1. Public utility installations and structures include all poles, tracks, pipes, wires,

conduits, vaults, manholes, and other appurtenances and facilities, whether

owned or controlled by public bodies or privately owned individuals, firms or

corporations, used to serve the public with transportation, gas, electricity,

telephone, storm and sanitary sewers, water, or other public or private utility

services. Facilities appurtenant to public or private property which may be

affected by the Work are deemed included hereunder.

2. The Contract Documents contain data relative to existing public utility

installations and structures above and below the ground surface. Existing

public utility installations and structures are indicated on the Drawings only to

the extent such information was made available to, or found by, the Engineer in

preparing the Drawings. These data are not guaranteed for completeness or

accuracy, and the Contractor is responsible for making necessary investigations

to become fully informed as to the character, condition, and extent of all public

utility installations and structures that may be encountered and that may affect

the construction operations.

3. Contact utility locating service sufficiently in advance of the start of

construction to avoid damage to the utilities and delays to the completion date.

4. Remove, replace, relocate, repair, rebuild, and secure any public utility

installations and structures damaged as a direct or indirect result of the Work

under this Contract. Costs for such work are incidental to the Contract. Be

responsible and liable for any consequential damages done to or suffered by any

public utility installations or structures. Assume and accept responsibility for

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any injury, damage, or loss which may result from or be consequent to

interference with, or interruption or discontinuance of, any public utility service.

5. Repair or replace any water, electric, sewer, gas, or other service connection or

equipment damaged during the Work with no addition to the Contract price.

6. At all times in performance of the Work, employ proven methods and exercise

reasonable care and skill to avoid unnecessary delay, injury, damage, or

destruction to public utility installations and structures. Avoid unnecessary

interference with, or interruption of, public utility services. Cooperate fully with

the owners thereof to that end.

7. Give written notice to the owners of all public utility installations and structures

affected by proposed construction operations, sufficiently in advance of

breaking ground in any area or on any unit of the Work, to obtain their

permission before disrupting the lines and to allow them to take measures

necessary to protect their interests. Advise the Chiefs of Police, Fire and Rescue

Services of any excavation in public streets or the temporary shut-off of any

water main. Provide at least 24 hours’ notice to all affected property owners

whenever service connections are taken out of service.

C. Stormwater Control: Comply with requirements of authorities having jurisdiction.

Provide barriers in and around excavations and subgrade construction to prevent

flooding by runoff of stormwater from heavy rains.

D. Tree and Plant Protection: Install temporary fencing located as indicated or outside the

drip line of trees to protect vegetation from damage from construction operations.

Protect tree root systems from damage, flooding, and erosion.

E. Pest Control: Engage pest-control service to recommend practices to minimize attraction

and harboring of rodents, roaches, and other pests and to perform extermination and

control procedures at regular intervals so Project will be free of pests and their residues

at Substantial Completion. Perform control operations lawfully, using environmentally

safe materials.

F. Site Enclosure Fence: Before construction operations begin, Security Contractor will

provide permanent chain link fence at locations and to extent indicated on the Contract

Drawings. Protect permanent fencing against damage throughout construction.

1. Extent of Fence: Provide additional temporary chain link security fencing as

required to enclose Project site or portion determined sufficient to accommodate

construction operations.

2. Maintain security by limiting number of keys and restricting distribution to

authorized personnel. Provide keys to Owner and Engineer.

G. Security Enclosure and Lockup: Install temporary enclosure around partially completed

areas of construction. Provide lockable entrances to prevent unauthorized entrance,

vandalism, theft, and similar violations of security. Lock entrances at end of each work

day.

01 50 00-8

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H. Miscellaneous Structures: Assume and accept responsibility for all injuries or damage

to culverts, building foundations and walls, retaining walls, or other structures of any

kind met with during the prosecution of the Work. Assume and accept liability for

damages to public or private property resulting therefrom. Adequately protect against

freezing all pipes carrying liquid.

I. Barricades, Warning Signs, and Lights: Comply with requirements of authorities having

jurisdiction for erecting structurally adequate barricades, including warning signs and

lighting.

J. Temporary Enclosures: Provide temporary enclosures for protection of construction, in

progress and completed, from exposure, foul weather, other construction operations, and

similar activities. Provide temporary weathertight enclosure for building exterior.

1. Where heating or cooling is needed and permanent enclosure is not complete,

insulate temporary enclosures.

K. Temporary Partitions: Provide floor-to-ceiling dustproof partitions where required to

limit dust and dirt migration.

3.5 OPERATION, TERMINATION AND REMOVAL

A. Supervision: Enforce strict discipline in use of temporary facilities. To minimize waste

and abuse, limit availability of temporary facilities to essential and intended uses.

B. Maintenance: Maintain facilities in good operating condition until removal.

1. Maintain operation of temporary enclosures, heating, cooling, humidity control,

ventilation, and similar facilities on a 24-hour basis where required to achieve

indicated results and to avoid possibility of damage.

C. Temporary Facility Changeover: Do not change over from using temporary security and

protection facilities to permanent facilities until Substantial Completion.

D. Termination and Removal: Remove each temporary facility when need for its service

has ended, when it has been replaced by authorized use of a permanent facility, or no

later than Substantial Completion. Complete or, if necessary, restore permanent

construction that may have been delayed because of interference with temporary facility.

Repair damaged Work, clean exposed surfaces, and replace construction that cannot be

satisfactorily repaired.

1. Materials and facilities that constitute temporary facilities are property of

Contractor. Owner reserves right to take possession of Project identification

signs.

2. Remove temporary roads and paved areas not intended for or acceptable for

integration into permanent construction. Where area is intended for landscape

development, remove soil and aggregate fill that do not comply with

requirements for fill or subsoil. Remove materials contaminated with road oil,

asphalt and other petrochemical compounds, and other substances that might

impair growth of plant materials or lawns and dispose of properly. Repair or

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replace street paving, curbs, and sidewalks at temporary entrances, as required

by authorities having jurisdiction.

3. At Substantial Completion, repair, renovate, and clean permanent facilities used

during construction period. Comply with final cleaning requirements specified

in Section entitled "Closeout Procedures."

END OF SECTION

01 56 40-1

12439/50922

60-Inch Marshall Street Sewer Rehabilitation 04/2017 Waste Material Disposal

SECTION 01 56 40

WASTE MATERIAL DISPOSAL

PART 1 GENERAL

SUBMITTALS

A. Submittals shall conform to requirements of Section 01 33 00 – Submittal

Procedures.

B. Obtain and submit disposal permits for proposed disposal sites if required by

federal, state and local ordinances.

C. Submit a copy of written permission from property owner, along with description

of property, prior to disposal of excess material adjacent to the Project. Submit a

written and signed release from property owner upon completion of disposal work.

PART 2 PRODUCTS

Not Used

PART 3 EXECUTION

3.1 EXCESS MATERIAL

A. Vegetation, rubble, broken concrete, debris, asphaltic concrete pavement, excess

soil, and other materials not designated for salvage, shall become the property of

CONTRACTOR and shall be removed from the job site and legally disposed of.

B. Non-contaminated excess soil may be deposited on private property adjacent to the

Project when written permission is obtained from property owner.

C. Waste materials shall be removed from the site on a daily basis, such that the site

is maintained in a neat and orderly condition.

END OF SECTION

01 60 00-1

12439/50922

60-Inch Marshall Street Sewer Rehabilitation 04/2017 Material Requirements

SECTION 01 60 00

MATERIAL REQUIREMENTS

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes: General requirements for delivery, storage, handling, and protection of

materials and products used in the work.

1.2 GENERAL REQUIREMENTS

A. Store equipment and materials in an orderly manner in designated work site storage area

approved by the Engineer. The Contractor shall only bring equipment and materials to work

areas when they are needed. Access to the work site shall be as indicated on the Drawings. No

other entrances or exits may be used without the permission of the Engineer. The Contractor

shall assume responsibility for security of storage area and work site, and protect installed items

until acceptance by Engineer of final performance tests.

1.3 STORAGE OF MATERIALS AND EQUIPMENT

A. Store and protect products in accordance with Manufacturer's written recommendations and from

dirt, dust, water, rain, snow, condensation, freezing conditions and any other conditions

detrimental to the life of the equipment and material, from the delivery date to the time

equipment control is assumed by the Owner, on wooden or concrete floor in a wooden or metal

enclosed structure(s). The minimum temperature within the enclosure shall be 50 degrees F.

1. Uncovered storage:

a. The following types of materials may be

stored out-of-doors without cover unless

prohibited by the manufacturer:

1) Reinforcing steel

2) Piping

3) Precast concrete

items

4) Cast iron valve

boxes, frames and

covers

5) Primed steel

b. Store the above materials on wood

blocking so they are not in contact with

the ground.

2. Covered storage:

a. The following types of materials may be

stored out-of-doors if covered with material

impervious to water:

1) Lumber, plywood,

and trusses

2) Cement, lime, and

mortar (bags)

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3) Fertilizers and soil

amendments (bags)

4) Face brick and

concrete block

5) Roofing felt and

asphalt shingles

b. Tie down covers with rope, and slope to

prevent accumulation of water on

covers.

c. Store materials on wood blocking.

3. Fully protected storage:

a. Store all products not named above in

buildings or trailers which have a

concrete or wooden floor, a roof, and

fully closed walls on all sides.

b. Provide heated storage space for

materials which would be damaged by

freezing. Especially protect pipe

coatings (touch-up kits) and lubricant

from low temperatures.

c. Protect mechanical and electrical

equipment from being contaminated by

dust, dirt and moisture.

B. All pipe and fittings, and steel may be stored in the open on wooden platforms. Delivery of

primed steel shall be scheduled so the steel will not be exposed directly to sunlight for over two

(2) months and it will be installed and painted within five (5) months after priming. If it is not,

the primer must be shot blasted off and the steel re-primed.

C. Each item shall be properly stored in accordance with the manufacturer's recommendations and

supplemental requirements included under the Section covering the material or equipment. All

storage shall be done in a neat and orderly manner so the materials and equipment can be easily

located, inspected, maintained and removed when needed. Care shall be taken not to damage

any item during handling and storage. All damaged items shall be repaired to the satisfaction of

the Engineer or replaced if so directed by the Engineer at no additional cost to the Owner.

D. All material and equipment shall be checked by the Contractor when delivered to see if it

conforms to the Contract Documents and shop drawings, and has not been damaged during

shipment. Any materials or equipment not in compliance with Contract Documents and shop

drawings shall be returned to the manufacturer. Any damaged items shall be brought to the

attention of the Engineer, who will decide whether the item can be repaired or must be returned

to the manufacturer at the Contractor's expense.

1.4 MAINTENANCE OF MATERIALS AND EQUIPMENT

A. The Contractor shall obtain from the manufacturer, prior to or at delivery, written instructions

and recommendations for storing, handling, and maintaining material or equipment until it is

field tested. The Contractor shall develop a comprehensive maintenance program and schedule

from received information and submit to Engineer for approval for stored and installed material

and equipment. Approval is for general procedures and content and in no way relieves

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responsibility for proper storage, protection, handling and maintenance of the equipment. If any

materials and/or equipment are found not to be in an as new condition when it is to be installed

or during testing, Engineer, at his discretion, may order the Contractor to furnish and install new

material or equipment, or repair material or equipment to his satisfaction, at no additional cost to

Owner.

B. To reduce possibility of damage to materials and equipment which will not be used until the late

stages of construction, the Contractor shall, if possible, schedule fabrication and deliveries so

that materials and equipment are only on storage site for a minimum of time before they are

installed.

1.5 ADDITIONAL STORAGE SPACE

A. If determined that additional storage space is needed, or he would prefer to use nearby off-site

storage for some materials and equipment because of better controlled storage conditions and/or

security, the Contractor shall submit a written request to the Engineer stating reasons for wanting

the off-site storage; its location, size, type structure, type of heat if applicable, etc.; and when it

can be inspected by Engineer. If Engineer approves the off-site storage site, all of above

conditions and responsibilities of the Contractor pertaining to on site storage shall apply. All

costs related to acquisition of off-site storage facilities shall be the responsibility of the

Contractor at no extra or additional cost to the Owner.

1.6 RIGHT OF INSPECTION

A. The Owner and Engineer shall have the right to inspect all storage sites and preventive

maintenance records at any time. Any noted deficiencies shall be immediately corrected by the

Contractor. Failure to note a deficiency on the part of the Owner and Engineer does not relieve

the Contractor from his responsibility for proper storage and maintenance of materials and

equipment.

1.7 PROTECTION OF INSTALLED MATERIALS AND EQUIPMENT

A. The Contractor shall protect all installed process, mechanical, electrical and architectural items

in accordance with provisions established in Articles 1.02 and 1.03 above.



END OF SECTION

01 74 23-1

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60-Inch Marshall Street Sewer Rehabilitation 04/2017 Site Clean-up

SECTION 01 74 23

SITE CLEAN-UP

PART 1 - GENERAL

1.1 SECTION INCLUDES

A. Site Clean-up

B. Final Inspection

1.2 SITE CLEAN-UP

A. Requirements: At the completion of work and immediately prior to final inspection, clean the

entire project site as follows:

1. Thoroughly clean, sweep, wash, and polish all work and equipment provided under the

Contract, including finishes. Leave the structures and site in a complete and finished

condition to the satisfaction of the Engineer.

2. Direct all subcontractors to similarly perform, at the same time, an equivalent thorough

cleaning of all work and equipment provided under their contracts.

3. Remove all temporary structures and all debris, including dirt, sand, gravel, rubbish

and waste material.

4. Should the Contractor not remove rubbish or debris or not clean the buildings and site

as specified above, the Owner reserves the right to have the cleaning done at the

expense of the Contractor.

B. Employ experienced workers, or professional cleaners, for final cleaning.

C. Use only cleaning materials recommended by manufacturer of surface to be cleaned.

D. In preparation for substantial completion or occupancy, conduct final inspection of sight-

exposed interior and exterior surfaces, and of concealed spaces.

E. Repair, patch, and touch up marred surfaces to specified finish, to match adjacent surfaces.

F. Handle materials in a controlled manner with as few handlings as possible. Do not drop or

throw materials from heights.

G. Broom clean exterior paved surfaces; rake clean other surfaces of the grounds.

H. Remove erection plant, tools, temporary structures and other materials.

I. Remove and dispose of all water, dirt, rubbish or any other foreign substances.

01 74 23-2

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60-Inch Marshall Street Sewer Rehabilitation 04/2017 Site Clean-up

1.3 FINAL INSPECTION

A. After cleaning is complete the final inspection may be scheduled in accordance with Section 01

77 00 – Closeout Procedures.



END OF SECTION

01 77 00-1

12439/50922

60-Inch Marshall Street Sewer Rehabilitation 04/2017 Closeout Procedures

SECTION 01 77 00

CLOSEOUT PROCEDURES

PART 1 - GENERAL

1.1 SUMMARY

A. Section includes administrative and procedural requirements for contract closeout,

including, but not limited to, the following:

1. Substantial Completion procedures

2. Final Completion procedures

3. Warranties

4. Site Clean-up

B. Requirements in this Section are in addition to those specified in the General

Requirements.

1.2 SUBMITTALS

A. Post-Construction Inspection Report: Prior to Preliminary Substantial Completion

Inspection, submit Post-Construction CCTV and/or Sonar Inspection Report confirming

that work has been properly completed.

B. Prior to Final Inspection:

1. Submit Bonds, Warranties, Guarantees and similar documents.

C. Upon receipt of the Certificate of Final Completion submit Final Application for

Payment identifying total adjusted Contract Sum, previous payments, and sum

remaining due.

D. Submit to the Owner, with the Final Application for Payment, a sworn affidavit that all

labor, service, materials, and Subcontractors have been paid and that there are no suits

pending in connection with the Work done or labor and materials furnished under the

Contract.

1.3 SUBSTANTIAL COMPLETION

A. Preliminary Procedures: Before requesting inspection for determining date of

Substantial Completion, complete the following.

1. Advise Owner of pending insurance changeover requirements.

2. Submit specific warranties, workmanship bonds, maintenance service

agreements, final certifications, and similar documents.

01 77 00-2

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3. Obtain and submit releases permitting Owner unrestricted use of the Work and

access to services and utilities. Include occupancy permits, operating

certificates, and similar releases.

4. Prepare and submit Project Record Documents, operation and maintenance

manuals, final completion construction photographic documentation, damage or

settlement surveys, and similar final record information.

5. Deliver tools, spare parts, extra materials, and similar items to location

designated by Owner. Label with manufacturer's name and model number

where applicable.

6. Make final changeover of permanent locks and deliver keys to Owner. Advise

Owner's personnel of changeover in security provisions.

7. Complete startup testing of systems.

8. Submit test/adjust/balance records.

9. Terminate and remove temporary facilities from Project site, along with

mockups, construction tools, and similar elements.

10. Advise Owner of changeover in heat and other utilities.

11. Submit changeover information related to Owner's occupancy, use, operation,

and maintenance.

12. Complete final cleaning requirements, including touchup painting.

13. Touch up and otherwise repair and restore marred exposed finishes to eliminate

visual defects.

B. Inspection: Submit a written request for inspection for Substantial Completion. On

receipt of request, Engineer will either proceed with inspection or notify Contractor of

unfulfilled requirements. Engineer will prepare the Certificate of Substantial Completion

after inspection or will notify Contractor of items that must be completed or corrected

before certificate will be issued.

1. Reinspection: Request reinspection when the Work identified in previous

inspections as incomplete is completed or corrected.

2. Results of completed inspection will form the basis of requirements for final

completion.

C. Certificate of Substantial Completion will include a list of items to be completed and

corrected (punch list), prepared by the Engineer.

1.4 FINAL COMPLETION

A. Preliminary Procedures: Before requesting final inspection for determining final

completion, complete the following:

1. Submit a final Application for Payment according to General Requirements.

2. Submit certified copy of Engineer’s Substantial Completion inspection list of

items to be completed or corrected (punch list), endorsed and dated by

Engineer. The certified copy of the list shall state that each item has been

completed or otherwise resolved for acceptance.

01 77 00-3

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3. Submit evidence of final, continuing insurance coverage complying with

insurance requirements.

4. Submit pest-control final inspection report and warranty.

5. Instruct Owner's personnel in operation, adjustment, and maintenance of

products, equipment, and systems. Submit demonstration and training video

recordings.

B. Inspection: Submit a written request for final inspection for acceptance. On receipt of

request, Engineer will either proceed with inspection or notify Contractor of unfulfilled

requirements. Engineer will prepare a final Certificate for Payment after inspection or

will notify Contractor of construction that must be completed or corrected before

certificate will be issued.

1. Reinspection: Request reinspection when the Work identified in previous

inspections as incomplete is completed or corrected.

1.5 LIST OF INCOMPLETE ITEMS (PUNCH LIST)

A. List will include name and identification of each space and area affected by construction

operations for incomplete items and items needing correction including, if necessary,

areas disturbed by Contractor that are outside the limits of construction.

1. List of spaces will be organized in sequential order, starting with exterior areas

first and proceeding from lowest floor to highest floor.

2. Items applying to each space will be organized by major element, including

categories for ceiling, individual walls, floors, equipment, and systems.

3. List will include the estimated value of each item to be completed or corrected.

1.6 WARRANTIES AND BONDS

A. Prior to final payment deliver to the Owner the original and one copy of all bonds,

warranties, guarantees and similar documents, including those customarily provided by

manufacturers and suppliers which cover a period greater than one year. Show Owner as

beneficiary of these documents. Begin warranty periods from the Date of Substantial

Completion or the Date of Final Completion when Substantial Completion is not

required by the Owner.

B. Submittal Time: Submit written warranties on request of Engineer for designated

portions of the Work where commencement of warranties other than date of Substantial

Completion is indicated.

C. Partial Occupancy: Submit properly executed warranties within 15 days of completion

of designated portions of the Work that are completed and occupied or used by Owner

during construction period by separate agreement with Contractor.

D. Organize warranty documents into an orderly sequence based on the table of contents of

the Contract Documents.

01 77 00-4

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1. Scan warranties and bonds and assemble complete warranty and bond submittal

package into a single indexed electronic PDF file with links enabling navigation

to each item. Provide table of contents at beginning of document.

E. Provide additional copies of each warranty to include in operation and maintenance

manuals.

PART 2 - PRODUCTS

2.1 MATERIALS

A. Cleaning Agents: Use cleaning materials and agents recommended by manufacturer or

fabricator of the surface to be cleaned. Do not use cleaning agents that are potentially

hazardous to health or property or that might damage finished surfaces.

PART 3 - EXECUTION

3.1 SITE CLEAN-UP

A. See Section 01 74 23 for cleaning requirements.

1. Thoroughly clean, sweep, wash, and polish all work and equipment provided

under the Contract, including finishes. Leave the structures and site in a

complete and finished condition to the satisfaction of the Engineer.

2. Direct all subcontractors to similarly perform, at the same time, an equivalent

thorough cleaning of all work and equipment provided under their contracts.

3. Remove all temporary structures and all debris, including dirt, sand, gravel,

rubbish and waste material.

4. Should the Contractor not remove rubbish or debris or not clean the buildings

and site as specified above, the Owner reserves the right to have the cleaning

done at the expense of the Contractor.


A. When the Contractor considers the entire work complete in accordance with the Contract

Documents, the Contractor shall, in writing to the Owner and Engineer, certify that the

entire work is complete and request that the Engineer issue a Certificate of Final

Completion for all work included in the Contract Documents. Within ten calendar days

thereafter, the Owner, the Contractor and Engineer shall make a FINAL INSPECTION

of the work to determine the status of completion. If the Engineer considers the work

complete, the Engineer will prepare and deliver to the Owner a Certificate of Final

Completion which shall fix the Date of Final Completion for all work identified in the

Contract Documents.

B. If the Engineer does not consider the work complete, the Engineer will issue to the

Contractor a LIST OF DEFICIENT ITEMS to be completed in accordance with the

Contract Documents to achieve Final Completion. This list identified as the LIST OF

DEFICIENT ITEMS may be added to at the Owner's discretion for work not completed

in conformance with the contract documents and shall include all incomplete work items

01 77 00-5

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previously identified in the LIST OF DEFICIENT ITEMS issued with the Certificate of

Substantial Completion for the entire work.

END OF SECTION

01 88 13-1

12439/50922

60-Inch Marshall Street Sewer Rehabilitation 04/2017 Special Project Provisions

SECTION 01 88 13

SPECIAL PROJECT PROVISIONS

PART 1 - GENERAL

1.1 SUMMARY


1. Special Bidding Instructions

2. Subcontracts and Assignments

3. Contractor's Employees

4. Clarification Requests

5. Area of Operations

6. Work Adjacent to Existing Facilities

7. Existing Facilities Shown on Contract Drawings

8. Relocation of Existing Facilities

9. Photographs or Video Recording


1. Section 01 32 16 – Construction Progress Schedule

2. Section 01 35 13 - Limitations on Sequence of Construction

3. Section 01 77 00 - Closeout Procedures

1.2 SPECIAL BIDDING INSTRUCTIONS

A. Elevations of the ground are shown on the Drawings and are believed to be reasonably

correct, but are not guaranteed to be absolutely so and are presented only as an

approximation. Bidders shall satisfy themselves as to the correctness of all elevations.

B. Various underground and overhead structures and utilities are shown on the Drawings.

The location and dimensions of such structures and utilities, where given, are believed to

be reasonably correct, but do not purport to be absolutely so. These structures and

utilities are plotted on the Drawings for the information of the Bidders, but information

so given is not to be construed as a representation or assurance that such structures will

be found or encountered exactly as plotted, or that such information is complete or

accurate. Bidders, therefore, shall satisfy themselves by such means as they may deem

proper as to the location of all structures and utilities that may be encountered in

construction of the work.

1.3 SUBCONTRACTS AND ASSIGNMENTS

A. The Contractor is not to subcontract to anyone currently debarred or suspended.

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B. If the Owner finds that the proposed subcontractor is qualified, the Contractor will be

notified in writing. The Owner may revoke approval of any subcontractor when such

subcontractor evidences an unwillingness or inability to perform his work in strict

accordance with these Contract Documents. Notice of such revocation of approval will

be given in writing to the Contractor.

C. The Contractor shall promptly, upon request, file with the Owner a conformed copy of

the subcontract. The Contractor shall cause appropriate provisions to be inserted in all

subcontracts relative to the work to bind subcontractors to the Contractor by the terms of

these Contract Documents, insofar as applicable to the work of subcontractors, and to

give the Contractor the same power as regards terminating any subcontract that the

Owner may exercise over the Contractor under provisions of these Contract Documents.

1.4 CONTRACTOR’S EMPLOYEES

A. Character and Competency: The Contractor and his subcontractors shall employ upon

all parts of the work herein contracted for only competent, skillful, and trustworthy men.

Should the Owner at any time give notice, in writing, to the Contractor or his duly

authorized representative on the work that any employee in his opinion is incompetent,

disorderly, careless, unobservant of instructions, or in any way a detriment to the

satisfactory progress of the work, such employee shall immediately be dismissed and not

again allowed upon the "Site".

1.5 AREA OF OPERATIONS

A. The Contractor shall limit his operations generally to the area around the facilities

included in the Contract.

B. Access or work required in other areas of the site shall be arranged and coordinated with

the Engineer.

1.6 WORK ADJACENT TO EXISTING FACILITIES

A. All existing facilities, construction or adjacent property shall be adequately protected, to

the satisfaction of the Engineer, during all work under the Contract. Such facilities

include but are not limited to structure, building, utilities, process pipelines, plant yard

piping, storm and sanitary sewerage, excavations, ditches, tress, conduits and electrical

systems, any existing facilities and any appurtenances thereto.

B. Any existing facilities, construction or adjacent property which are damaged, disturbed,

destroyed or otherwise, in the opinion of the Engineer, have their usefulness or operation

impaired by work under this Contract shall be replaced by new and equal items or

restored, all to the satisfaction of the Engineer, by the Contractor at his own expense and

no separate payment will be made therefor.

1.7 EXISTING FACILITIES SHOWN ON CONTRACT DRAWINGS

A. The Contract Drawings are considered to be substantially complete and accurate with

respect to the types and locations of existing facilities, but are not guaranteed to be

absolutely so.

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B. It is the Contractor's responsibility to make his own investigations to fully inform

himself of the location, character, condition and extent of all existing facilities as may be

encountered and as may affect the construction operations.

1.8 PHOTOGRAPHS OR VIDEO RECORDING

A. From time to time during progress of the work, photographs or video record of the work

will be taken by the Engineer, the Owner or their authorized representatives at no

expense to the Contractor. The Contractor shall, however, furnish access to the work at

all times for this purpose and shall furnish such assistance as may be required.

B. The photographs or video tapes thus taken shall be the property of the Owner. Nothing

herein outlined shall be construed as prohibiting the taking of photographs or video

tapes by the Contractor or his agents provided it is done at no expense to the Owner.



END OF SECTION

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60-Inch Marshall Street Sewer Rehabilitation 04/2017 Concrete

SECTION 03 30 00

CONCRETE

PART 1 GENERAL

DESCRIPTION

A. Scope:

1. CONTRACTOR shall provide all labor, materials, equipment and

incidentals as shown, specified and required to furnish and install cast-in-

place concrete, reinforcement and related materials.

B. Coordination:

1. Review installation procedures under other Sections and coordinate the

installation of items that must be installed in the concrete.

C. General:

1. Class "A" concrete shall be steel reinforced.

2. Class "B" concrete shall be without steel reinforcing.

3. Steel Reinforcement: Includes bars, ties, supports and welded wire fabric.

4. Grout includes epoxy and cement-sand types.

5. Flowable fill used for designated voids.

QUALITY ASSURANCE

A. Source Quality Control:

1. Concrete Testing Service:

a. If required by the OWNER, CONTRACTOR shall employ

acceptable testing laboratory to perform materials evaluation,

testing and design of concrete mixes, sampling and testing

during placement.

2. Certificates, signed by concrete producer and CONTRACTOR, may be

submitted in lieu of material testing when acceptable to the OWNER.

3. Quality Control: If required by the OWNER, CONTRACTOR shall

employ a testing laboratory to perform sampling and testing during

concrete placement, as follows:

a. Sampling: ASTM C 172.

b. Slump: ASTM C 143, one test for each load at point of

discharge.

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c. Air Content: ASTM C 31, one for each set of compressive

strength specimens.

d. Compressive Strength: ASTM C 39, one set for each 50 cubic

yards or fraction thereof. One specimen shall be tested at 7

days, 2 specimens tested at 28 days. When the total quantity

of concrete is less than 50 cubic yards, the strength tests

may be waived by the OWNER if field experience

indicates evidence of satisfactory strength.

4. Report test results in writing to the OWNER on same day tests are made.

B. Reference Standards: Comply with the applicable provisions and recommendations

of the following, except as otherwise shown or specified.

1. ACI 301, Specifications for Structural Concrete for Buildings

(includes ASTM Standards referred to herein except ASTM A 36).

2. ACI 304, Guide for Measuring, Mixing, Transporting, and

Placing Concrete.

3. ACI 305, Hot Weather Concreting.

4. ACI 306, Cold Weather Concreting.

5. ACI 318, Building Code Requirements for Reinforced Concrete.

6. ACI 347, Guide to Formwork for Concrete.

7. ACI 350, Environmental Engineering Concrete Structures.

8. ASTM A 36, Specification for Structural Steel.

9. Concrete Reinforcing Steel Institute, Manual of Standard Practice,

includes ASTM Standards referred to herein.

SUBMITTALS

A. Samples: Submit samples of materials as specified and may be requested by the

OWNER, including names, sources and descriptions.

B. Shop Drawings: Submit for approval the following:

1. Copies of manufacturer's specifications with application and installation

instructions for proprietary materials and items, including admixtures

and bonding agents.

2. Drawings for fabrication, bending, and placement of concrete

reinforcement. Comply with ACI 315, Chapters 1 thru 7. Show bar

schedules, stirrup spacing, diagrams of bent bars, arrangements and

assemblies, as required for the fabrication and placement of concrete

reinforcement.

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3. List concrete materials and concrete mix designs proposed for use. Include

the results of all tests performed to qualify the materials and to establish

the mix designs in accordance with ACI 301, 3.9. Submit written report

to the OWNER for each proposed concrete mix at least 15 days prior to

start of Work. Do not begin concrete production until mixes have been

reviewed and are acceptable to the OWNER. Mix designs may be

adjusted when material characteristics, job conditions, weather, test

results or other circumstances warrant. Do not use revised concrete

mixes until submitted to and accepted by the OWNER.

B. Laboratory Test Reports: Submit copies of laboratory test reports for concrete

cylinders, materials and mix design tests. The OWNER's review will be for

general information only. Production of concrete to comply with specified

requirements is the responsibility of CONTRACTOR.

PRODUCT DELIVERY, STORAGE AND HANDLING

A. Deliver concrete reinforcement materials to the site bundled, tagged and marked.

Use metal tags indicating bar size, lengths, and other information corresponding to

markings shown on placement diagrams.

B. All materials used for concrete must be kept clean and free from all foreign matter

during transportation and handling and kept separate until measured and placed in

the mixer. Bins or platforms having hard clean surfaces shall be provided for

storage. Suitable means shall be taken during hauling, piling and handling to

insure that segregation of the coarse and fine aggregate particles does not occur

and the grading is not affected.

PART 2 PRODUCTS

2.1 CONCRETE MATERIALS

A. Portland Cement: ASTM C 150, Type II.

B. Aggregates: ASTM C 33.

1. Fine Aggregate: Clean, sharp, natural sand free from loam, clay, lumps or

other deleterious substances. Dune sand, bank run sand and manufactured

sand are not acceptable.

2. Coarse Aggregate: Clean, uncoated, processed aggregate containing no

clay, mud, loam, or foreign matter, as follows:

a. Crushed stone, processed from natural rock or stone.

b. Washed gravel, either natural or crushed. Use of slag and pit

or bank run gravel is not permitted.

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C. Coarse Aggregate Size: Size to be ASTM C 33, Nos. 57 or 67, unless permitted

otherwise by the OWNER.

D. Water: Potable.

E. Air-Entraining Admixture: ASTM C 260.

F. Water-Reducing Admixture: ASTM C 494, Type A. Only use admixtures which

have been tested and accepted in mix designs.

G. Water-Reducing High Range Admixture: ASTM C 494, Type F/G.

1. High range water-reducer may be used at the CONTRACTOR's option. The

admixture shall not contain more chloride ions than are contained in

municipal drinking water. It shall be added only at job site to concrete in

compliance with the manufacturer’s printed instructions.

2.2 FORM MATERIALS

A. Provide form materials with sufficient stability to withstand pressure of placed

concrete without bow or deflection.

B. Unexposed Concrete Surfaces: Suitable material to suit project conditions.

2.3 REINFORCING MATERIALS

A. Reinforcing Bars: ASTM A 615, Grade 60.

B. Welded Wire Fabric: ASTM A 185.

C. Steel Wire: ASTM A 82.

D. Supports for Reinforcement: Bolsters, chairs, spacers and other devices for

spacing, supporting and fastening reinforcement in place.

1. Use wire bar type supports complying with CRSI recommendations,

except as specified below. Do not use wood, brick, or other

unacceptable materials.

2. For slabs on grade, use supports with sand plates or horizontal

runners where base materials will not support chair legs.

3. For all concrete surfaces, where legs of supports are in contact with

forms, provide supports complying with CRSI, Manual of Standard

Practice as follows:

a. Either hot-dip galvanized, plastic protected or stainless steel legs.

E. Slump Limits:

1. Not more than 4 inches prior to adding high range water-reducer.

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2. Not more than 8 inches at point at placement after adding high range

water- reducer.

2.4 RELATED MATERIALS

A. Moisture Barrier: Clear 8 mils thick polyethylene; polyethylene-coated barrier

paper; 1/8-inch thick asphalt core membrane sheet.

B. Membrane-Forming Curing Compound: ASTM C 309, Type I.

2.5 GROUT

A. Nonshrink, Nonmetalic 100% Solids, High Strength Epoxy Grout:

1. Use prepackaged solvent-free, moisture-insensitive, 3-component epoxy

grouting system.

2. Product and Manufacturer: Provide one of the following:

a. Euco High Strength Grout, as manufactured by the Euclid

Chemical Company, Cleveland, OH.

b. Sikadur 42, Grout-Pak, as manufactured by the Sika

Chemical Company, Lyndhurst, NJ.

c. Or equal.

B. Ordinary Cement-Sand Grout:

1. Except where otherwise specified use 1 part cement to 3 parts

sand complying with the following:

a. Cement: ASTM C 150, Type II.

b. Sand: ASTM C 33.

2.2 FLOWABLE FILL

A. Mix Quantities For Flowable Fill

COMPONENT POUNDS PER CUBIC YARD

Cement 50-100

Fly Ash or Granulated Furnace Slag 0-600

Fine Sand 2750

Water 500 Maximum

PART 3 EXECUTION

3.1 INSPECTION

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A. CONTRACTOR and his installer shall examine the substrate and the conditions

under which Work is to be performed and notify the OWNER in writing of

unsatisfactory conditions. Do not proceed with the Work until unsatisfactory

conditions have been corrected in a manner acceptable to the OWNER.

3.2 FORMWORK

A. Formwork: Construct formwork so that concrete members and structures are

correct size, shape, alignment, elevation and position, complying with ACI 347.

B. Provide openings in formwork to accommodate other Work. Accurately place and

securely support items built into forms.

C. Clean and adjust forms prior to concrete placement. Apply form release agents or

wet forms, as required. Retighten forms during and after concrete placement if

required to eliminate mortar leaks.

3.3 REINFORCEMENT, JOINTS, AND EMBEDDED ITEMS

A. Comply with the applicable recommendations of specified codes and standards,

and CRSI, Manual of Engineering and Placing Drawings, for details and methods

of reinforcement placement and supports.

B. Clean reinforcement to remove loose rust and mill scale, earth, ice, and other

materials which reduce or destroy bond with concrete.

C. Position, support, and secure reinforcement against displacement during formwork

construction or concrete placement. Locate and support reinforcing by metal

chairs, runners, bolsters, spacers and hangers, as required.

1. Place reinforcement to obtain the minimum concrete coverages as

shown and as specified in ACI 318. Arrange, space, and securely tie bars

and bar supports together with 16 gage wire to hold reinforcement

accurately in position during concrete placement operations. Set with ties

so that twisted ends are directed away from exposed concrete surfaces.

2. Reinforcing steel shall not be secured to forms with wire, nails or

other ferrous metal. Metal supports subject to corrosion shall not touch

formed or exposed concrete surfaces.

D. Provide sufficient numbers of supports of strength required to carry reinforcement.

Do not place reinforcing bars more than 2 inches beyond the last leg of any

continuous bar support. Do not use supports as bases for runways for concrete

conveying equipment and similar construction loads.

E. Splices:

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1. Provide standard reinforcement splices by lapping ends, placing bars in

contact, and tying tightly with wire. Comply with requirements for

minimum lap of spliced bars.

F. Install welded wire fabric in as long lengths as practical, lapping at least one mesh.

G. Concrete shall not be placed until the installation of reinforcing steel is inspected

and permission for placing concrete is granted by the OWNER. All concrete

placed in violation of this provision will be rejected.

H. Joints: Provide construction, isolation, and control joints as required. Locate

construction joints so as to not impair the strength and appearance of the structure.

Place isolation and control joints in slabs on ground to stabilize differential

settlement and random cracking.

I. Installation of Embedded Items: Set and build into the Work anchorage devices

and embedded items required for other Work that is attached to, or supported by

cast-in-place concrete. Use setting diagrams, templates and instructions provided

under other Sections and other contracts for locating and setting.

3.4 CONCRETE AND PLACEMENT

A. Proportioning and Design of Mix:

1. Minimum compressive strength at 28 days: 4000 psi.

2. Maximum water cement ratio by weight: 0.45.

3. Minimum cement content: 564 pounds per cubic yard.

4. Normal weight: 145 pounds per cubic foot.

5. Use air-entraining admixture in all concrete: provide not less than 4 percent

nor more than 8 percent entrained air for concrete exposed to freezing

and thawing, and from 2 percent to 4 percent for other concrete.

6. Calcium Chloride: Do not use calcium chloride in concrete, unless

otherwise authorized in writing by ENGINEER. Do not use admixtures

containing calcium chloride.

B. Job-Site Mixing: Use drum type batch machine mixer, mixing not less than 1-1/2

minutes for one cubic yard or smaller capacity. Increase mixing time at least 15

seconds for each additional cubic yard or fraction thereof.

C. Ready-Mixed Concrete: ASTM C 94.

D. Concrete Placement: Comply with ACI 304, placing concrete in a continuous

operation within planned joints or sections. Do not begin placement until work of

other trades affecting concrete is completed.

E. Consolidate placed concrete using mechanical vibrating equipment with hand

rodding and tamping, so that concrete is worked around reinforcement and other

embedded items and into all parts of forms.

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F. Protect concrete from physical damage or reduced strength due to weather

extremes during mixing, placement, and curing.

1. In hot weather comply with ACI 305.

2. In cold weather comply with ACI 306.

3.5 QUALITY OF CONCRETE WORK

A. Make all concrete solid, compact and smooth, and free of laitance, cracks and cold

joints.

B. All concrete in contact with earth, water, or exposed directly to the elements shall

be watertight.

C. Cut out and properly replace to the extent ordered by the OWNER, or repair to the

satisfaction of the OWNER, surfaces which contain cracks or voids, are unduly

rough, or are in any way defective. Patches or plastering will not be acceptable.

D. Repair, removal, and replacement of defective concrete as ordered by the OWNER

shall be at no additional cost to the OWNER.

3.6 CURING

A. Curing: Begin initial curing as soon as free water has disappeared from exposed

surfaces. Where possible, keep continuously moist for not less than 72 hours.

Continue curing use of moisture-retaining cover or membrane-forming curing

compound. Cure formed surfaces by moist curing until forms are removed.

Provide protection as required to prevent damage to exposed concrete surfaces.

3.7 GROUT PLACEMENT

A. General:

1. Place grout as shown and in accordance with manufacturer's instructions. If

manufacturer's instructions conflict with the Specifications do not

proceed until the OWNER provides clarification.

2. Drypacking will not be permitted.

3. Manufacturers of proprietary products shall make available upon 72

hours notification the services of a qualified, full-time employee to aid in

assuring proper use of the product under job conditions.

4. Placing grout shall conform to the temperature and weather limitations

described above.

3.8 FLOWABLE FILL

B. General:

1. Designated voids to be filled with flowable fill.

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2. The CONTRACTOR shall completely fill designated voids with

flowable fill having a 28- day compressive strength between 50 and 150

psi.

3. Admixtures, including water reducing agents, plasticizers, and air

entraining agents will be permitted in the mix design for flowable fill.

4. Prior to commencing any filling operations, the CONTRACTOR shall

submit his proposed plan for filling and the proposed mix design for

approval by the OWNER. The plan shall show the proposed locations of all

fill pipes.

END OF SECTION

60-Inch Marshall Street Sewer Rehabilitation 04/2017 Excavation and Backfill

SECTION 02220

EXCAVATION AND BACKFILL

PART 1 GENERAL

DESCRIPTION

Scope:

CONTRACTOR shall provide all labor, materials, equipment and

incidentals required to perform all excavating, sewer abandonment,

backfilling, filling and grading, and disposing of earth materials as

specified and required for construction and repair of manholes,

pipelines, roads, and other facilities required to complete the Work in

every respect.

Work shall conform to the City of Richmond requirements and where

construction is within the State right-of-way, the applicable requirements

of the Virginia Department of Transportation.

Related Work Specified in Other Sections Includes:

Section 01 51 00 - Temporary Facilities and Controls

Section 01 56 40 - Waste Material Disposal

Section 31 25 00 - Erosion and Sediment Control

Section 31 40 00 - Shoring, Sheeting, and Bracing

Section 03 30 00 - Concrete

Section 33 30 20 - Buried Piping Installation

QUALITY ASSURANCE

Tests:

CONTRACTOR shall coordinate with the OWNER and OWNER

approved testing laboratory to make tests and determine acceptability

of the fill or material as listed below and required by the OWNER.

CONTRACTOR shall conduct Compaction Test for every project

conducted along the City Right of Way. All test results submitted to the

OWNER shall be certified by the testing laboratory for accuracy and

compliance to these specifications.

Required Tests:

a. Select Fill, Subbase Material, General Backfill Samples:

Gradation, ASTM D 422.

b. Compaction, ASTM D 1556 and ASTM D 698, and ASTM D

2922.


Permits and Regulations:

CONTRACTOR shall obtain all necessary City of Richmond and

Commonwealth of Virginia permits for work in roads, rights-of-ways,

railroads, etc. Also obtain permits as required by local, state and

federal agencies for discharging water from excavations.

Perform excavation work in compliance with applicable requirements

of governing authorities having jurisdiction.

All VOSHA safety measures, including but not limited to trenching,

confined space, traffic control and other applicable safety measures shall

be strictly adhered to and enforced by the CONTRACTOR.

CONTRACTOR shall develop a written plan that demonstrates

compliance with VOSHA requirements. A copy of the plan shall be

maintained at the construction site for the duration of the project.

Reference Standards: Comply with applicable provisions and recommendations of

the following except as otherwise specified.

ASTM A 36, Specification for Structural Steel.

ASTM A 328, Specification for Steel Sheet Piling.

ASTM D 422, Method for Particle-Size Analysis of Soils.

ASTM D 1556, Test Method for Density and Unit Weight of Soil in

Place by the Sand-Cone Method.

ASTM D 698, Test Method for Laboratory Compaction Characteristics

of Soil Using Standard Effort (12,419 ft –lb/ft3)

ASTM D 2922, Test Methods for Density of Soil and Soil-Aggregate

in Place by Nuclear Methods (Shallow Depth).

AISC Specifications for the Design, Fabrication, and Erection of

Structural Steel for Buildings.

VOSHA Standard.

SUBMITTALS

CONTRACTOR shall prepare drawings for the following items, if used in

completion of the Work:

Sheeting and bracing, or other protective system(s).

Dewatering system.

Cofferdams.

Underpinning.

Drawings shall be prepared by a licensed professional engineer recognized as

expert in the specialty involved. Drawings shall be submitted to the OWNER for

record purposes only. Calculations shall not be submitted. Drawings submittals

will not be checked and will not imply approval by the OWNER of the Work


involved. CONTRACTOR shall be solely responsible for designing, installing,

operating and maintaining whatever system is necessary to satisfactorily

accomplish all necessary sheeting, bracing, protection, underpinning and

dewatering required to complete the Work.

Test Reports:

If required, testing laboratory shall submit copies of all test reports

directly to the OWNER, with copy to CONTRACTOR:

JOB CONDITIONS

Subsurface Information: If subsurface data is available, it is not intended as a

representation or warranty of continuity of conditions between soil borings nor of

groundwater levels at dates and times other than date and time when measured.

The OWNER will not be responsible for interpretations or conclusions drawn by

CONTRACTOR. Data are solely made available for the convenience of

CONTRACTOR. Additional test borings and other exploratory operations may be

made by CONTRACTOR at no cost to the OWNER.

Existing Structures: The Drawings, if any, may show certain surface and

underground structures adjacent to the Work. This information has been obtained

from existing records. It is not guaranteed to be correct or complete and is shown

for the convenience of CONTRACTOR. CONTRACTOR shall explore ahead of

the required excavation to determine the exact location of all structures. They

shall be supported and protected from damage by CONTRACTOR. If they are

broken or damaged, they shall be restored immediately by CONTRACTOR at his

expense.

Existing Utilities:

It shall be the responsibility of the CONTRACTOR to conduct the Work

in such a manner as to avoid damage to, or interference with, any utility

services. The CONTRACTOR is responsible for providing temporary

supports for any utility that may be affected by its work. If any

damage, interference, or interruption of service occurs as a result of his

Work, it shall be the CONTRACTOR’S responsibility to promptly notify

the OWNER and utility owner of the occurrence and to repair or

caused to be repaired the damage immediately, at his own expense,

and to the satisfaction of the OWNER and the owner of the utility.

It shall be the CONTRACTOR’S responsibility to uncover and expose

the location of all service connections to avoid damage or interruption of

service. If damage occurs, the CONTRACTOR shall make the

necessary repairs in accordance with the above requirements.

It is the responsibility of the CONTRACTOR to determine in advance

of beginning the construction effort the exact location of all utilities,

and the effect they will have on the work by contacting “Miss Utility” for

assistance at 1-800-552-7001, 48 hours prior to starting work. All


costs related to identification of utility location shall be the

responsibility of the CONTRACTOR.

Do not interrupt existing utilities serving facilities occupied and used by

the OWNER or others, except when permitted in writing by the

OWNER and then only after acceptable temporary utility services have

been provided.

Demolish and completely remove from site existing underground

utilities indicated to be removed. Coordinate with utility companies for

shut-off of services if lines are active.

Protection of Persons and Property:

Barricade open excavations occurring as part of the Work and post

with warning lights and other protective measures as recommended by

authorities having jurisdiction.

Protect structures, utilities, sidewalks, pavements, and other facilities

from damage caused by settlement, lateral movement, undermining,

washout and other hazards created by Work or other operations in the

area.

Comply with requirements of Section 01 51 00 – Temporary

Facilities and Controls.

Dust Control: Conduct all operations and maintain areas of activity, including

sweeping and sprinkling of roadways, to minimize creation and dispersion of dust.

Protection of Trees: Protect trees, shrubs, lawns, existing structures, and other

permanent objects outside of grading limits, and in accordance with requirements

of Section 01 51 00 – Temporary Facilities and Controls.

PART 2 PRODUCTS

2.1 SOIL MATERIALS

OWNER may approve other acceptable fill materials for select fill, common fill,

subbase material, pipe bedding, and general backfill.

Select Fill:

Materials for Select Fill: Use gravel, crushed stone, limestone screenings

or other granular or similar material as approved which can be

readily and thoroughly compacted to 95 percent of the maximum dry

density obtainable by ASTM D 698. Place select fill where specified

below and around structures, pipelines, roads, walks, and other work.

Grade select fill between the following limits:

US Standard Sieve Percent Passing by Weight


2 inch 100

1 -1/2 inch 90-100

1 inch 75-95

½ inch 45-70

#4 25-50

#10 15-40

#200 5-15

Advise the OWNER in writing of source and, if required, submit a

sample and gradation report of the material for approval.

Common Fill:

Materials for Common Fill: Material from on-site excavation in

unpaved areas may be used as common fill provided that it can be

readily compacted to 95 percent of the maximum dry density obtainable

by ASTM D 698, and does not contain unsuitable material. Select fill

may be used as common fill at no change in the Contract Price. VDOT N.

21A stone shall be used for work in paved areas.

Granular Materials On-Site: Granular on-site material, which is fairly

well graded between the following limits may be used as granular

common fill:

U.S. Standard Sieve Percent Passing by Weight

3 inch 100

#10 50-100

#60 20-90

#200 0-20

Subbase Material: VDOT No. 21A stone.

Pipe Bedding:

Pipe bedding for concrete pipe shall be open graded coarse aggregate

VDOT Size No. 57 or No. 21A. Pipe bedding for ductile iron pipe

should be VDOT Size No. 21A. The stone shall conform to Section 203

of the VDOT specifications.

For PVC pipe, pipe bedding and initial pipe backfill to 1 foot over the top

of pipe shall be select fill.

General Backfill and Fill Materials:

Provide approved soil materials for backfill and fill, free of clay, rock

or gravel larger than 2 inches in any dimension, debris, waste, frozen

materials, vegetable and other organic matter and other deleterious


materials. Previously excavated materials meeting these requirements

may be used for general backfill.

Approved materials must be at moisture condition suitable for compaction

at required density.

PART 3 EXECUTION

3.1 INSPECTION

Examine the areas and conditions under which excavating, filling, and grading are

to be performed. Also, remedy any conditions detrimental to the proper and timely

completion of the Work. Do not proceed with the Work until unsatisfactory

conditions have been corrected in manner acceptable to the OWNER.

3.2 PREPARATION

Immediately notify the agency or company owning any existing utility line which

is damaged, broken, or disturbed. Obtain approval from the OWNER and agency

for any repairs or relocations, either temporary or permanent.

Maintain permanent benchmarks, monumentation, and other reference points.

Unless otherwise directed in writing, replace those which are damaged or

destroyed.

3.3 EXCAVATION

All excavation will be conducted in accordance with “Virginia Occupational

Safety and Health Standard for the Construction Industry.”

Perform all excavation required to complete the Work specified and required.

Excavations shall include earth, sand, clay, gravel, rock, hardpan, pavements,

rubbish and all other materials within the excavation limits. If excavations are

made between the required grades, without the written order of the OWNER, they

shall be backfilled with compacted Subbase Material, at the expense of the

CONTRACTOR.

Excavations for structures and pipelines shall be open excavations. Provide all

excavation protection systems required by ordinances, codes, law and regulations

to prevent injury to workmen and to prevent damage to new and existing structures

or pipelines. See Section 33 30 20 – Buried Piping Installation for additional

requirements.

Where a structure or pipeline is to be placed below the ground water table, well

points, cofferdams or other acceptable methods shall be used to permit construction

of the structure or pipeline under dry conditions. Dry conditions shall prevail until

the pipelines are properly jointed, tested and backfilled. In addition, protect

excavation from flooding until all structures are in place and backfilling has


begun. Water level shall be maintained below top of backfill at all times. See

Section 33 30 20 – Buried Piping Installation for additional requirements.

Pumping of water from excavations shall be done in such a manner to prevent the

carrying away of unsolidified concrete materials, and to prevent damage to the

existing subgrade. Dispose of water in accordance with Paragraph 3.6.

Excavations shall be extended sufficiently on each side of structures, footings, etc.,

to permit setting of forms, installation of shoring or bracing or the safe sloping of

banks.

Subgrades for roadways, structures and trench bottoms shall be firm, dense, and

thoroughly compacted and consolidated; shall be free from mud, muck, and other

soft or unsuitable materials; and shall remain firm and intact under all construction

operations. Subgrades which are otherwise solid, but which become soft or mucky

on top due to construction operations, shall be removed and replaced with No. 57

stone.

Pipe Trench Preparation: See Section 33 30 20 – Buried Piping Installation,

for additional requirements.

No more than 200 feet of trench may be opened in advance of pipe laying.

Trench width shall be minimized to greatest extent practical but shall

conform to the following:

a. Sufficient to provide room for installing, jointing and

inspecting piping.

b. Enlargements at pipe joints may be made if required and

approved by the OWNER.

c. Sufficient for shoring and bracing, or shielding and dewatering.

d. Sufficient to allow thorough compaction of backfill adjacent to

bottom half of pipe.

e. Do not use excavating equipment which requires the trench

to be excavated to excessive width.

Depth of trench shall be as SPECIFIED. If required and approved by

the OWNER, depths may be revised.

Material Storage: Stockpile satisfactory excavated materials in approved areas,

until required for backfill or fill. Place, grade and shape stockpiles for proper

drainage. Locate and retain soil materials away from edge of excavations. Dispose

of excess soil material and waste materials as specified.

Where the OWNER considers the existing material beneath the bedding material

unsuitable, CONTRACTOR shall remove same and replace it with No. 57 stone.

Undercut Excavation For Trenching:


In the event unsuitable material is encountered at or below the level of

the pipe bed, areas of doubtful quality shall be jointly examined by the

OWNER and the CONTRACTOR. If approved by the OWNER and

after agreement as to the extent of the area, such material shall be

removed and replaced. Materials used for replacement shall be crushed

stone or gravel aggregate conforming to VDOT No. 57 stone, as directed

by the OWNER.

Undercut excavation shall be unclassified and shall consist of removing

and disposing of unsuitable material located below plan grade, or

finished subgrade, within the construction limits and in accordance with

the Section 01 29 00 - Measurement and Payment..

Undercut excavation shall be disposed of in a legal manner or as indicated

in the Contract Documents.

CONTRACTOR responsible for keeping undercut excavation dry.

Excavation Material Disposal: CONTRACTOR to assume responsibility for

disposal of all excavated materials and for payment of any dumping or tipping fees

associated with the disposed excavated materials. Any materials having been in

contact with sewer, as well as contents of cleaning trucks are to be disposed of by

federal, state and locally approved methods.

If cleanout is not present on the property, perform excavation for sewer lateral

replacement from the mainline sewer to the property line. Any additional

excavation outside the lines and grades specified, and which is not approved by the

OWNER, together with the removal and disposal of the associated material shall

be at CONTRACTOR'S expense.

3.4 UNAUTHORIZED EXCAVATION

All excavation outside the lines and grades specified, and which is not approved by

the OWNER, together with the removal and disposal of the associated material

shall be at CONTRACTOR'S expense. Unauthorized excavations shall be filled

and compacted with No. 21A stone by CONTRACTOR at his expense.

3.5 SEWER ABANDONMENT

Sanitary sewers, storm sewers, sewer laterals and other culverts to be abandoned,

but not required to be removed, shall be thoroughly sealed at all open ends, and at

the structures in which they terminate as applicable. The open ends shall be sealed

with brick and mortar.

In addition to sealing open ends as specified above, and when specifically

required, all sewer mains, upon abandonment shall be filled by pumping with a

slurry sand/cement grout. Facilities to be filled shall be sealed at the downstream

end, pumped with the approved mixture, and sealed at the upstream end.

The bottom of abandoned structures shall be perforated or broken to prevent the

entrapment of water.


3.6 DRAINAGE AND DEWATERING

General:

Prevent surface and subsurface water from flowing into excavations

and from flooding adjacent areas.

Remove water from excavation as fast as it collects.

Maintain the ground water level below the bottom of the excavation

to provide a stable surface for construction operations, a stable subgrade

for the permanent work, and to prevent damage to the Work during all

stages of construction.

Provide and maintain pumps, sumps, suction and discharge lines and

other dewatering system components necessary to convey water away

from excavations.

Obtain the OWNER’s approval before shutting down dewatering system

for any reason.

Disposal of Water Removed by Dewatering System:

Dispose of all water removed from the excavation in such a manner as not

to endanger public health, property, or any portion of the Work under

construction or completed.

Dispose of water in such a manner as to cause no inconvenience to

the OWNER or others involved in work about the site.

Convey water from the construction site in a closed conduit. Do not

use trench excavations as temporary drainage ditches. Provide erosion

and sediment control devices as required by the Virginia Erosion and

Sediment Control handbook prior to discharge to any receiving stream.

3.7 SHEETING, SHORING AND BRACING

General: See Section 33 30 20 – Buried Piping Installation, and Section 31 40

00 – Shoring, Sheeting, and Bracing for additional requirements.

Used material shall be in good condition, not damaged or excessively

pitted. All steel or wood sheeting designated to remain in place shall be

new. New or used sheeting may be used for temporary work.

All timber used for breast boards (lagging) shall be new or used, meeting

the requirements for Douglas Fir Dense Construction grade or

Southern Pine No. 2 Dense, conforming to the applicable requirements

of current VDOT Road and Bridge Specifications.

All steel work for sheeting, shoring, bracing, cofferdams etc., shall be

designed in accordance with the provisions of the “Specifications for


the Design, Fabrication and Erection of Structural Steel for Buildings,”

of the AISC except that field welding will be permitted.

Steel sheet piling shall be manufactured from steel conforming to ASTM

A328. Steel for soldier piles, wales and braces shall be new or used and

shall conform to ASTM A 36.

Maintain shoring and bracing in excavations regardless of time period

excavations will be open. Carry down shoring and bracing as

excavation progresses.

Unless otherwise specified, or ordered, all materials used for

temporary construction shall be removed when work is completed. Such

removal shall be made in a manner not injurious to the structure or its

appearance or to adjacent Work.

Safe and satisfactory sheeting, shoring and bracing shall be the entire

responsibility of CONTRACTOR.

Removal of Sheeting and Bracing:

Remove sheeting and bracing from excavations unless otherwise ordered

in writing by the OWNER. Removal shall be done so as to not cause

injury to the Work. Removal shall be equal on both sides of excavation

to ensure no unequal loads on pipe or structure.

3.8 TRENCH SHIELDS

Excavation of earth material below the bottom of a shield shall not exceed the

limits established by ordinances, codes, laws and regulations.

When using a shield for pipe installation:

Any portion of the shield that extends below the center line of an

installed rigid pipe shall be raised above this point prior to moving the

shield ahead for the installation of the next length of pipe.

The bottom of the shield shall not extend below the center line of

installed flexible pipe at any time.

When a shield is removed or moved ahead, extreme care shall be taken to prevent

the movement of pipe or structures or the disturbance of the bedding for pipe or

structures. Pipe or structures that are disturbed shall be removed and reinstalled as

specified.

3.9 GENERAL REQUIREMENTS FOR BACKFILL, FILL AND COMPACTION

Furnish, place and compact all backfill required for structures and trenches.

Unless otherwise specified, fill that meets the requirements of general backfill may

be obtained from on-site sources. Additional materials, if required, shall be

furnished from off-site sources at no additional cost to the OWNER.


The material from on-site excavation in unpaved areas shall be used as backfill for

a depth of 4 feet from top of the excavation. Use VDOT No. 21A as a backfill

material for the remainder of the excavation depth. VDOT No. 21A stone shall be

used as a backfill material for the entire trench depth for work in paved areas

(streets, roadways etc.).

Backfill excavations as promptly as Work permits, but not until removal of shoring

and bracing.

Keep excavations dry during backfilling operations. Bring backfill around

structures and piping up evenly on all sides.

Place all backfill in pipe trenches which are below structures, other pipes, or paved

areas, in horizontal layers not exceeding 8 inches in depth and thoroughly compact

each before the next layer is placed. In other pipe trenches, compacted layers shall

be 6 inches up to the pipe center line and 12 inches thereafter.

Where pipe is laid in rock excavation, pipe bedding shall be carefully placed and

tamped over the rock before the pipe is laid. Depth of bedding shall be at least 6

inches for pipe 24 inches and smaller and 9 inches for pipe 27 inches. After laying

pipe, the balance of the backfill shall be placed as described herein.

Prior to the installation of pipes which are to be installed in fill sections, place the

fill as described herein, until a minimum height of 2 feet above the pipe is reached.

The fill for the trench width shall then be excavated and the pipe installed and

backfilled. The remainder of the fill shall then be placed.

Unless otherwise specified or directed by the OWNER, fill shall be placed in

horizontal loose lifts not exceeding 12 inches in thickness and shall be mixed and

spread in a manner assuring uniform lift thickness after placing.

Control the water content of fill material during placement within the range

necessary to obtain the compaction specified. In general, the moisture content of

the fill shall be within 3 percent of the optimum moisture content for compaction

as determined by laboratory tests. Perform all necessary work to adjust the water

content of the material to within the range necessary to permit the compaction

specified. Do not place fill material when free water is standing on the surface of

the area where the fill is to be placed. No compaction of fill will be permitted with

free water on any portion of the fill to be compacted.

Do not place or compact fill in a frozen condition or on top of frozen material.

Remove fill containing organic materials or other unacceptable material and

replace with approved fill material.

Perform compaction of fill with equipment suitable for the type of material placed

and which is capable of providing the densities required.

Fill shall be compacted by at least two passes of all portions of the surface of each

lift by compaction equipment. One pass is defined as the condition obtained when


all portions of the surface of the fill material have been subjected to the direct

contact of the compactor.

Test the effectiveness of the equipment selected by CONTRACTOR at the

commencement of compaction by construction of a small section of fill within the

area where fill is to be placed. If tests on this section of fill show that the specified

compaction is not obtained, CONTRACTOR shall increase the number of

coverages, decrease the lift thicknesses or obtain a different type of compactor.

Perform backfill around structures using the specified procedures, except that

within 10 feet of foundations and underground structures, light compaction

equipment shall be used, with the gross weight of the equipment not exceeding

7,000 pounds. Provide equipment that is capable of the required compaction

within restricted areas next to structures and around piping.

The minimum density for backfill under structures and paved areas (not roadways)

shall be 95 percent of maximum density obtained in the laboratory in accordance

with ASTM D 698. Fill that supports piping, and walks and other unpaved areas

shall be 95 percent of maximum density. Minimum density for backfill under

roadways shall be in accordance with City of Richmond, Department of Public

Works Standards.

If the specified densities are not obtained because of improper control of

placement or compaction procedures, or because of inadequate or improperly

functioning compaction equipment, the CONTRACTOR shall perform whatever

work is required to provide the required densities. This work shall include

complete removal of unacceptable fill areas, and replacement and recompaction

until acceptable fill is provided.

CONTRACTOR shall repair, at his own expense, any after settlement that occurs.

He shall make all repairs and replacements necessary within 30 days after notice

from the OWNER.

CONTRACTOR to provide OWNER with weigh tickets daily for select fill

material and disposal of excavated material disposal.

3.10 WORK WITHIN PUBLIC STREETS AND ROADS

Any Work performed in public streets, roads or alleys shall conform to the City of

Richmond and Virginia Department of Transportation requirements and

recommendations.

Repair of any pavement shall be in accordance with the City of Richmond and

Virginia Department of Transportation requirements and recommendations.

CONTRACTOR shall take all required actions to insure highway safety when

working within public streets and roads. Highway safety measures shall conform


to the requirements of the Virginia Work Area Protection Manual and ANSI D6.1,

Manual on Uniform Traffic Control Devices for Streets and Highways.

3.11 GRADING

Uniformly grade areas within limits of grading under this Section, including

adjacent transition areas. Smooth subgrade surfaces within specified tolerances,

compact with uniform levels or slopes between points where elevations are

specified, or between such points and existing grades. After grading, compact

subgrade surfaces to the depth and percentage of maximum density for each area

classification.

3.12 DISPOSAL OF EXCAVATED MATERIALS

Comply with requirements of Section 01 56 40 – Waste Material Disposal.

END OF SECTION

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60-Inch Marshall Street Sewer Rehabilitation 04/2017 Erosion and Sediment Control

SECTION 31 25 00

EROSION AND SEDIMENTATION CONTROL

PART 1 - GENERAL

1.1 SUMMARY

A. This Section includes erosion and sediment control measures intended to minimize

erosion of soils and sedimentation of adjacent waterways and lands adjacent to or

affected by the Work. This Section includes the requirements for furnishing,

constructing, maintaining and replacing all erosion and sediment control features in

accordance with the Virginia Erosion and Sediment Control Handbook and as shown on

the Contract Documents or required by the Owner or Regulatory Agency. Contractor

shall be responsible for obtaining all erosion and sediment control permits required prior

to any land disturbing operations.

B. REFERENCES

1. Reference Codes and Standards: Contractor shall reference the latest edition of

the code or standard at the time of project advertisement or assignment. Comply

with applicable provisions and recommendations of the following, except as

otherwise shown or specified:

a. Virginia Erosion and Sediment Control Handbook, Latest Edition.

b. Virginia Erosion and Sediment Control Regulations.

c. Virginia Erosion and Sediment Control Law.

d. Virginia Storm Water Management Regulations.


PART 3 - EXECUTION

3.1 EROSION AND SEDIMENT CONTROL

A. General: Exercise every reasonable precaution, including the application of temporary

and permanent measures, throughout the duration of the project, as shown on the

Contract Documents or required by the Virginia Sediment and Erosion Handbook, to

control erosion and sediment and to minimize the siltation of rivers, streams, lakes and

impoundments. Such measures shall include, but are not limited to, the use of berms,

dikes, dams, sediment basins, fiber mats, brush silt barriers, silt fences, netting, gravel or

crushed stone, mulch, stage seeding, slope drains and other measures.

B. Pollution Control: Exercise every reasonable precaution throughout the duration of the

Project to prevent pollution of rivers, reservoirs, lakes, streams, and natural or manmade

channels leading thereto, with chemicals, fuels, lubricants, bitumens, raw sewage,

paints, sedimentation and other harmful wastes.

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60-Inch Marshall Street Sewer Rehabilitation 04/2017 Erosion and Sediment Control

C. If any oil or chemical reaches or has the potential to reach a waterway, notify the

Engineer and all appropriate jurisdictional, state, federal and local agencies, and take

immediate actions for containment and removal of the oil or chemical.

3.2 EROSION AND SEDIMENT CONTROL PRACTICES

A. Silt fencing, diversion dikes, temporary sediment traps, geotextile fabric, temporary

construction entrances, and any other erosion and sediment control measures shall be

installed as shown and specified in the "Virginia Erosion and Sediment Control

Handbook."

B. Erosion and sediment control practices and measures shall be constructed prior to any

land disturbing activity. They shall be maintained in accordance with the "Virginia

Erosion and Sediment Control Handbook" and local ordinances. They shall be removed

only upon completion of all land disturbing activities.

C. All disturbed areas including but not restricted to stock piles, dams, banks of sediment

basins and temporary road banks left unprotected for more than 30 days shall be

temporarily seeded at the Contractor’s expense. All disturbed areas shall be protected to

control erosion and prevent sedimentation of adjacent properties and/or streams.

D. Sediment control devices such as diversion berms, sediment raps, filter berms,

vegetation stabilization, etc., shall be used to prevent off-site sedimentation at all times.

E. All borrow and/or spoil materials shall only be stockpiled within the limits of the

permitted site.

F. The proposed grading shall not impair existing surface drainage, constitute a potential

erosion hazard, or source of sedimentation to any adjacent property, drainage system or

right-of-way.

G. All points of construction ingress and egress shall be protected to prevent tracking of

mud on the public streets. This could require periodic top dressing with additional

surface materials as required. Repair and clean out any features used to trap sediment

and remove all sediment spilled, dropped, washed or tracked onto road and return to the

point of likely origin. Sweep streets as required, or as directed by Owner, to remove

sediment from paved roads.

H. Upon completion of all construction activities, and upon stabilizing all areas disturbed

by construction activities, remaining temporary sediment control devices shall be

removed. Silt fencing shall be installed downhill of sediment traps prior to their

removal. Sediment trap areas shall be restored to pre-existing grades and stabilized prior

to removing silt fencing.

I. Upon removal of temporary erosion and sediment control features, the construction site

shall be inspected for remaining disturbed areas. Stabilize any remaining disturbed

areas.

END OF SECTION

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60-Inch Marshall Street Sewer Rehabilitation 04/2017 Shoring, Sheeting and Bracing

SECTION 31 40 00

SHORING, SHEETING, AND BRACING

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of Contract, including General and Special Conditions

and Division 1 Specification Sections, apply to this Section.

B. Related Work Specified Elsewhere:

1. Section 31 22 00 – Excavation and Backfill

2. Section 33 30 20 – Buried Pipe Installation

1.2 SUMMARY

A. Section Includes: The work specified in this Section consists of providing shoring which

conforms to Federal, State and local laws, rules, regulations, requirements, precautions,

orders and decrees, and which will be used to maintain existing structures and roadways.


A. Requirements of Regulatory Agencies: Shoring materials and installation work shall

conform to Federal, State and local laws, rules, regulations, requirements, precautions,

orders and decrees.

B. Provide for the protection of the public, employees and property, in accordance with

applicable requirements of Part 1926, Subpart P, “Excavation, Trenching and Shoring”,

Construction Safety and Health Regulations (OSHA), which, by reference, is made a part

of this specification, including sections relative to protection of the public; shoring and

bracing; trenches and excavating equipment.

C. Shoring Design: The design and the adequacy of the Shoring installed is the responsibility

of the Contractor.

1.4 SITE CONDITIONS

A. Responsibility for Condition of Excavation: The Contractor is solely responsible for the

condition of the excavations.

1. The failure or refusal of the Engineer or Owner to suggest the use of Shoring, or a

better quality, grade, or section, or larger sizes of Shoring materials, or to suggest

that Shoring be left in place, shall in no way or extent relieve the Contractor of his

responsibility concerning the condition of excavation or of his obligations under

the Contract, nor impose liability on the Engineer or the Owner.

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60-Inch Marshall Street Sewer Rehabilitation 04/2017 Shoring, Sheeting and Bracing

2. No delay, whether caused by an action or want of action on the part of the

Contractor, or by an act of the Engineer, Owner, or their agents, or employees,

resulting in the keeping of any excavation open longer than would otherwise have

been necessary, relieves the Contractor from the necessity of properly and

adequately protecting the excavation from caving or slipping, nor from his

obligations under the Contract relating to injury to persons or property, nor entitle

him to claims for extra compensation.

PART 2 - PRODUCTS

2.1 MATERIALS

A. Sheeting, Shoring, Bracing, and Trench Box materials shall conform to Federal, State and

local laws, rules, regulations, requirements, precautions, orders and decrees.

PART 3 - EXECUTION

3.1 INSTALLATION

A. Shoring installations shall conform to Federal, State and local laws, rules, regulations,

requirements, precautions, orders and decrees.

3.2 SAFETY

A. The Contractor is solely responsible for injury or damage resulting from shoring failure.

Maintenance of the shoring is the Contractor’s responsibility.

END OF SECTION

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60-Inch Marshall Street Sewer Rehabilitation 04/2017 Restoration of Surfaces

SECTION 32 01 00.91

RESTORATION OF SURFACES

PART 1 - GENERAL

1.1 SUMMARY

A. This Section includes restoration and maintenance of all types of surfaces, sidewalks,

curbs, gutters, culverts and other features disturbed, damaged or destroyed during the

performance of the work under or as a result of the operations of the Contract.

B. The quality of materials and the performance of work used in the restoration shall

produce a surface or feature equal to the condition of each before the work began.

1.2 REFERENCES

A. Materials and installation shall be in accordance with the latest revisions of the

following codes, standards and specifications, except where more stringent requirements

have been specified herein:

1. American Society for Testing and Materials (ASTM)

a. D698 -Test Method for Laboratory Compaction Characteristics of Soil

Using Standard Effort (12,400 ft-lbf/ft3) (600 kN-m/m3)

2. Virginia Department of Transportation

a. Roads and Bridge Specifications (Current Edition)

1.3 SUBMITTALS

A. In addition to those submittals identified in the General Provisions, the following items

shall be submitted:

1. A schedule of restoration operations shall be submitted for approval. After an

accepted schedule has been agreed upon it shall be adhered to unless otherwise

revised with the approval of the Engineer.

PART 2 – PRODUCTS (NOT USED)

PART 3 - EXECUTION

3.1 GENERAL

A. In general, permanent restoration of paved surfaces will not be permitted until one

months' time has elapsed after excavations have been completely backfilled as specified.

A greater length of time may be allowed to elapse before permanent restoration of street

surfaces is undertaken, if additional time is required for shrinkage and settlement of the

backfill.

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B. The replacement of surfaces at any time, whether as scheduled or as directed by the

owner or his project representative, shall not relieve the Contractor of responsibility to

repair damages by settlement or other failures.

3.2 TEMPORARY PAVEMENT

A. Immediately upon completion of backfilling of the trench or excavation, the Contractor

shall place a temporary pavement over all disturbed areas of streets, driveways,

sidewalks, and other traveled places where the original surface has been disturbed as a

result of his operations.

B. Unless otherwise specified or directed the temporary pavement shall consist of

compacted crusher run aggregate (limestone) to such a depth as required to withstand the

traffic to which it will be subjected.

C. Where concrete pavements are removed, the temporary pavement shall be surfaced with

"cold patch". The surface of the temporary pavement shall conform to the slope and

grade of the area being restored.

D. The Contractor shall treat all surfaces, not covered with cold patch, for dust prevention,

and as frequently as may be required.

E. The temporary pavement shall be maintained by the Contractor in a safe and satisfactory

condition until such time as the permanent paving is completed. The Contractor shall

immediately remove and restore all pavements that have become unsatisfactory.

3.3 PERMANENT PAVEMENT REPLACEMENT

A. The permanent and final repaving of all streets, driveways and similar surfaces where

pavement has been removed, disturbed, settled or damaged by or as a result of

performance of the Contract shall be repaired and replaced by the Contractor, with a new

and similar pavement.

1. The top surface shall conform to the grade of the existing adjacent pavement. The

entire replacement shall meet the current specifications of the VDOT or the local

community which ever has jurisdiction for the particular types of pavement being

replaced.

2. Where the local community has no specification for the type of pavement being

replaced, the work shall be done in conformity with the VDOT’s Road and

Bridges Specifications, most current addition. The Engineer shall determine

which portion of the specifications most closely conforms to the type of surface

being replaced.

3.4 PREPARATION FOR PERMANENT PAVEMENT

A. When scheduled and within the time specified, the temporary pavement shall be removed

and a base prepared for the permanent pavement. The depth of the base course shall

conform to the requirements of the local community or the VDOT Permit. To receive the

permanent pavement:

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1. The base shall be brought to the required grade and cross-section and thoroughly

compacted before placing the permanent pavement.

2. Any base material that has become unstable for any reason shall be removed and

replaced with compacted base materials.

B. Prior to placing the permanent pavement all service boxes, manhole frames and covers

and similar structures within the area shall be adjusted to the established grade and cross-

section.

C. Edges of the existing asphalt pavement shall be cut a minimum of 1 foot beyond the

excavation or disturbed base whichever is greater.

1. All cuts shall be parallel or perpendicular to the centerline of the street.

3.5 ASPHALT PAVEMENT

A. The permanent asphalt pavement for streets, driveways and parking area surfaces shall be

of bituminous materials of the same depth and kind as the existing pavement unless

otherwise specified.

B. Prior to placing of any bituminous pavement a sealer shall be applied to the edges of the

existing pavement and other features.

C. Furnishing, handling and compaction of all bituminous materials shall be in accordance

with the VDOT’s Road and Bridge Specifications most current edition.

3.6 CONCRETE PAVEMENT AND PAVEMENT BASE

A. Concrete pavements and concrete bases for asphalt, brick or other pavement surfaces

shall be replaced with VDOT Class "A3" Concrete, air-entrained.

B. Paving slabs or concrete bases shall be constructed to extend 1 foot beyond each side of

the trench and be supported on undisturbed soil. Where such extension of the pavement

will leave less than 2 feet of original pavement slab or base, the repair of the pavement

slab or base shall be extended to replace the slab to the edge of the original pavement or

base unless otherwise indicated on the Contract Drawings.

C. Where the edge of the pavement slab or concrete base slab falls within the excavation, the

excavation shall be backfilled up to the base of the concrete with Special Backfill. The

Special Backfill shall be compacted to 95% maximum dry density as determined by

ASTM D 698.

D. The new concrete shall be of the same thickness as the slab being replaced and shall

contain reinforcement equal to the old pavement.

1. New concrete shall be placed and cured in accordance with the applicable

provisions of the VDOT’s Road and Bridge Specification most current edition.

3.7 STONE OR GRAVEL PAVEMENT

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A. All pavement and other areas surfaced with stone or gravel shall be replaced with

material to match the existing surface unless otherwise specified.

1. The depth of the stone or gravel shall be at least equal to the existing.

2. After compaction the surface shall conform to the slope and grade of the area

being replaced.

3.8 CONCRETE WALKS, CURBS AND GUTTER REPLACEMENT

A. Concrete walks, curbs and gutters removed or damaged in connection with or as a result

of the construction operations shall be replaced with new construction.

1. The minimum replacement will be a flag or block of sidewalk or 5 feet of curb or

gutter.

B. Walks shall be constructed of VDOT Class "B2" concrete, air-entrained and on a 4-inch

base of compacted gravel or stone.

1. The walk shall be not less than 4 inches in thickness or the thickness of the

replaced walk where greater than 4 inches. The walk shall have construction

joints spaced not more than 25 feet apart, shall have expansion joints spaced not

more than 50 feet apart and shall be sloped at right angles to the longitudinal

centerline at approximately 1/4 inch per foot of width.

C. -inch expansion joint material shall be placed around all objects within the sidewalk

area as well as objects to which the new concrete will abut, such as valve boxes, manhole

frames, curbs, and buildings.

D. Walks shall be hand-floated, broom-finished, edged, grooved at the construction joints

and at intermediate intervals matching those intervals of the walk being replaced.

1. The intermediate grooves shall be scored a minimum of 1/4 of the depth of the

walk.

2. The lengths of blocks formed by the grooving tool, and distances between

construction and expansion joints shall be uniform throughout the length of the

walk in any one location.

E. The minimum length of curb or gutter to be left in place or replaced shall be 5 feet.

Where a full section is not being replaced, the existing curb or gutter shall be saw cut to

provide a true edge.

1. The restored curb or gutter shall have the same shape, thickness and finish as the

curb or gutter being replaced. The curb and gutter shall be built of the same

material (concrete) with construction and expansion joints as stated above for

sidewalks.

2. New concrete shall be placed and cured in accordance with the applicable

provisions of the VDOT’s Road and Bridge Specification most current edition.

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3.9 LAWNS AND IMPROVED AREAS

A. The area to receive topsoil shall be graded to a depth as specified but not less than 4

inches below the proposed finished surface.

1. If the depth of existing topsoil prior to construction was greater than 4 inches,

topsoil shall be replaced to that depth.

B. The furnishing and placing of topsoil, seed and mulch shall be in accordance with the

Section 02980 entitled "Topsoil and Seeding".

C. If required to obtain germination, the seeded areas shall be watered. Watering shall be

accomplished in such a manner as to prevent washing out of the seed.

D. Any washout or damage that occurs shall be regraded and reseeded until a good sod is

established.

E. The Contractor shall maintain the newly seeded areas in good condition. Maintenance

shall include as needed regrading, reseeding and watering.

3.10 CULTIVATED AREA REPLACEMENT

A. Areas of cultivated lands shall be graded to receive topsoil to a depth of not less than the

depth of the topsoil before being disturbed. All debris and inorganic material shall be

removed prior to the placing of the topsoil.

B. The furnishing and placing of topsoil shall be in accordance with the Section 02980

entitled "Topsoil and Seeding".

C. After the topsoil has been placed and graded, the entire area disturbed during construction

shall be cultivated to a minimum depth of 12 inches with normal farm equipment.

1. Any debris or inorganic materials appearing shall be removed.

2. The adjacent undisturbed cultivated area shall govern the removal of stones.

D. Grass areas shall be reseeded using a mixture equal to that of the area before being

disturbed, unless otherwise specified.

3.11 OTHER TYPES OF RESTORATION

A. Trees, shrubs and landscape items damaged or destroyed as a result of the construction

operations shall be replaced in like species and size.

1. All planting and care thereof shall meet the standards of the American

Association of Nurserymen.

B. Water courses shall be reshaped to the original grade, cross-section and have all debris

removed. Where required to prevent erosion, the bottom and sides of the watercourse

shall be protected.

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C. Culverts destroyed or removed as a result of the construction operations shall be replaced

in like size, material, and shall be replaced at the original location with the proper grade.

When there is minor damage to a culvert, with the consent of the Engineer, a repair may

be undertaken. Satisfactory results of the repair must be obtained.

D. Should brick pavements be encountered in the work, the restoration shall be as directed.

3.12 MAINTENANCE

A. The finished products of restoration shall be maintained in an acceptable condition for

and during a period of one year following the date of Final Completion or other such date

as set forth elsewhere in the Contract Documents.

END OF SECTION

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Rehabilitation

SECTION 33 00 00

GEOPOLYMER PIPE AND MANHOLE REHABILITATION

PART 1 - GENERAL

1.1 SUMMARY

A. This section specifies a Spin-Cast Geopolymer Pipe (SCGP) that is provide for the

rehabilitation of existing sanitary sewer pipelines, channels and manholes, either structural

or protective coating, using an approved structural geopolymer lining system. This

Specification covers the general requirements for the referenced specifications, liner

manufacturer and installer qualifications, submittal and guaranty guidelines, materials,

pre-installation and installation procedures, and testing.

B. The liner may be spin cast or hand sprayed to various pipe surfaces including: brick,

concrete, corrugated metal, clay tile, and various other compatible materials.

C. The Contractor shall furnish all labor, materials, equipment and incidentals required to

install the monolithic geopolymer sewer pipe and manhole lining system and

appurtenances as specified herein. The lining system shall be used to rehabilitate the

interior of all designated sewer pipelines or manholes. The manhole lining system shall

consist of a geopolymer coat applied to the cleaned and prepared surfaces.

1.2 CODES AND STANDARDS

A. American Society for Testing and Materials (ASTM):

1. ASTM C 31 - Standard Practice for Making and Curing Concrete Test

Specimens in the Field

2. ASTM C-33 – Standard Specification for Concrete Aggregates.

3. ASTM C-39 – Standard Test Method for Compressive Strength of Cylindrical

Concrete Specimens.

4. ASTM C-78 – Standard Test Method for Flexural Strength of Concrete

5. ASTM C-109 – Standard Test method for Compressive Strength of Hydraulic

Cement Mortars

6. ASTM C-172 – Standard Practice for Sampling Freshly Mixed Concrete.

7. ASTM C-267 – Standard Test methods for Chemical Resistance of Mortars,

Grouts, and Monolithic Surfacings and Polymer Concretes.

8. ASTM C-469 – Standard Test Method for Static Modulus of Elasticity and

Poisson’s Ratio of Concrete in Compression.

9. ASTM C-496 – Standard Test Method for Splitting Tensile Strength of

Cylindrical Concrete Specimens.

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10. ASTM C-666 – Standard Test Method for Resistance of Concrete to Rapid

Freezing and Thawing.

11. ASTM C-882 (Type II or Type V) – Standard Test Method for Bond Strength of

Epoxy-Resin Systems Used with Concrete by Slant Shear.

12. ASTM C-1090 – Standard Test Method for measuring Changes in Height of

Cylindrical Specimens of Hydraulic-Cement Grout.

13. ASTM C-1138 – Standard Test Method for Abrasion Resistance of Concrete

(Underwater Method).

14. ASTM C-1202 – Standard Test Method for Electrical Indication of Concrete’s

Ability to Resist Chloride Ion Penetration.

15. ASTM F-2414 - Standard Practice for Sealing Sewer Manholes Using Chemical

Grouting.

16. ASTM F-2551 – Standard Practice for Installing a Protective Cementitious Liner

System in Sanitary Sewer Manholes.

B. American Concrete Institute (ACI):

1. ACI 305R – Hot Weather Concreting

2. ACI 306R – Cold Weather Concreting

3. ACI Certified Concrete Field Testing Technician, Level 1

1.3 SUBMITTALS

A. General: Provide all submittals, including the following, as specified in the Contract

Documents.

B. With the Bid, the Contractor shall submit the following to the Owner for approval:

1. Product Manufacturer shall specialize in the manufacturing quality Geopolymer

liner products with minimum of 5-years of experience. Manufacturer shall submit

documentation and verifiable references demonstrating the successful installation

of the proposed lining system in a minimum of 5,000 LF of large diameter

(greater than 36-inches) horizontal infrastructure for pipeline qualifications and a

minimum of 1,000 vertical feet for manhole qualifications.

2. Contractor performing the work shall be fully qualified, experienced and equipped

to complete this work expeditiously and in a satisfactory manner and shall be a

pre-approved installer of the geopolymer lining system as certified and licensed

by the Manufacturer. Contractor shall demonstrate at least 5-years’ experience

specializing in the application of spray on lining systems. Contractor shall submit

documentation and verifiable references demonstrating the successful installation

of spray on lining systems in at least 5,000 LF of large diameter (greater than 36-

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inches) horizontal infrastructure for pipeline qualifications and at least 1,000

vertical feet for manhole qualifications.

3. Manufacturer-certified copies of all test reports on each product used, including

ASTM test results indicating the product conforms to and is suitable for its

intended use per these specifications.

4. Manufacturer certification that Contractor’s Applicator has been trained and

approved in the handling, mixing and application of the products to be used. At

least one manufacturer certified Superintendent must be on-site at all times during

related construction activities. A fully trained field technician shall apply the liner

material. Contractor shall submit a listing of Manufacturer’s certified personnel

that will be utilized on the project.

5. Manufacturer shall submit a letter of certification that the product meets or

exceeds all technical and packaging requirements.

6. Submit Manufacturer's certifications that materials have been approved for the

installation conditions shown on the Drawings and as specified herein.

C. Prior to commencing with construction the Contractor shall submit the following to the

Owner for approval:

1. Detailed Minimum Liner Thickness Calculations (signed and sealed by a licensed

professional engineer) as required and as discussed further in this Section, along

with proposed plan for ensuring that the installed Geopolymer liner meets the

minimum thickness requirements.

2. Manufacture shall submit original third party verification of material formulation

via XRF (X-ray Fluorescence) data as detailed in the material section.

3. Contractor shall submit a work-plan showing how the work shall be scheduled,

coordinated, and executed.

D. During construction, the Contractor shall submit the following to the Owner:

1. After cleaning and TV inspection by the Contractor of all proposed infrastructure

to be rehabilitated and before beginning lining of any infrastructure, the

Contractor shall submit to the Owner/Engineer for his review a DVD (1 copy) of

the Contractor’s TV inspection of the infrastructure prior to product application.

2. Prior to beginning lining of any infrastructure, the Contractor shall also submit to

the Owner/Engineer for his review a detailed plan with proposed locations and

quantities of Brick Restoration prior to the product application.

3. Daily Logs:

a. A daily activity log will be filled out completely anytime a work crew is

on site. This log includes listing the personnel present at the site, when

they arrived and when they left the site.

b. Important spray data includes the times material was applied and under

which atmospheric conditions. The ambient air temperature, the dry

powder temperature, the mixing water temperature, and the temperature

inside the pipe are all recorded on the daily activity report.

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c. The operating conditions shall also be recorded. These measurements

include the water addition rate taken at the meter tube, the retrieval speed

of the retraction system and the pump motor speed recorded at the pump.

Any special conditions are to be noted in the daily log.

d. Amount of material used and work completed will be summarized on the

log.

e. During application, Contractor shall regularly perform and record

Geopolymer lining thickness readings with a method approved by

manufacturer. Contractor shall submit all documentation on thickness

readings to Inspector on a daily basis when lining application occurs.

f. A copy of the daily log for all days of work on the project will be

provided in the final quality assurance documentation provided to the

owner.

4. Warranty: Manufacturer shall warrant all work against defects in materials and

Contractor shall warrant all work against defects in workmanship for a period of

five (5) years, from the date of final acceptance of the project. Manufacturer /

Contractor shall, within a reasonable time after receipt of written notice thereof,

repair defects in materials or workmanship, as applicable, which may develop

during said five (5) year period, and any damage to other work caused by such

defects or the repairing of same, at his own expense and without cost to the

Owner.

E. After rehabilitation of the infrastructure, the Contractor shall submit to the

Owner/Engineer for his records a DVD (1 copy) of the Contractor’s TV inspection of the

completed Work and test results of samples of Geopolymer material as specified in the

Contract Documents.

PART 2 - PRODUCTS

2.1 MATERIALS

A. All materials shall be supplied by the same manufacturer.

B. The Geopolymer lining material may be centrifugally cast, manually sprayed or hand

troweled.

C. The Geopolymer lining material shall be a micro-fiber reinforced ultra-dense Geopolymer.

This material shall provide a high strength fiber reinforced mortar specifically designed for

ease of mechanical pumping, spraying and spin casting.

D. The finished infrastructure must be such that once the Geopolymer liner sets, the total wall

thickness will be homogeneous and monolithic.

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E. The geopolymer mortar should be composed of at minimum 60% Pozzolanic material

composed of SiO2, MgO, Al2O3, and/or Fe2O3, and shall be verified by third party certified

X-ray Fluorescence (XRF) testing.

F. The Geopolymer liner material shall conform to the minimum requirements demonstrated

in standard laboratory conditions following ASTM Standards as presented in Table 1.

Table 1

Physical Properties ASTM Reference Requirements

Compressive Strength

(28-Day)

ASTM C39 / C109 8,000 psi

Flexural Strength

(28-Day)

ASTM C78 800 psi

Tensile Strength

(28-Day)

ASTM C496 800 psi

Shrinkage

(28-Day)

ASTM C1090 Max. 0.02%

Modulus of Elasticity

(28-Day)

ASTM C469 5,400,000 psi

Bond Strength to Concrete

(28-Day)

ASTM C882 2,500 psi

Freeze-Thaw Durability

(@ 300 cycles)

ASTM C666 Maximum 0.1% loss

Abrasion Resistance

(5 cycles on 28-day sample)

ASTM C1138 Less than 3%

Rapid Chloride Ion Permeability

(28-Days)

ASTM C1202 Very Low

% Pozzolanic Material XRF (X-Ray

Fluorescence Test)

60% minimum composed

of SiO2, MgO, Al2O3, or

Fe2O3

2.2 GEOPOLYMER THICKNESS DESIGN

A. General Liner Thickness Guidelines - The design thickness of the centrifugally cast,

manually sprayed or hand troweled liner is largely a function of the condition of the

existing infrastructure, earth loading, traffic loading, hydraulic loading, earthquake

loading, ground conditions, variations in the ground water through seasons, variations in

conditions in the longitudinal direction and other factors that the registered professional

engineer retained by either the manufacturer or the owner may consider as important, given

the local site conditions.

B. Signed and sealed designs shall be prepared and submitted by a Licensed Professional

Engineer licensed in the state where work is being performed.

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C. The pipe liner thickness shall be calculated using the distributed beam load over a partial

ring model with the following equation:

D.

1. Where:

2. t = Minimum Liner Thickness, inches

3. Qt = Total External Load as calculated from ASTM F 1216-09 for either fully or

partially deteriorate cases for soil and hydraulic loads with the addition of

appropriate live load standards as specified, psi

4. r = Radius of the crown of the pipe, inches

5. N = Safety Factor

6. SF = The Flexural Modulus (or Modulus of Rupture) as determined by ASTM

C78, psi

7. c = Ovality Reduction Factor as defined in ASTM F 1216-09

E. The Design Parameters shall be as presented in Table 2 below:

Table 2

Design Parameter Value

Shape Circular

Size (Diameter) 60-inches (interior)

Material Brick (Assumed 4-courses)

Length As shown on contract drawings

Depth (Average) As shown on contract drawings

Level of Deterioration Fully

Ovality 2.0% (min)

Live Loading Condition H20

Soil Density 120 lb/CF

Ground Water Elevation 0 VF (at surface)

Factor of Safety 2.0

2.3 PRODUCT HANDLING

A. Delivery: Deliver materials in original containers with seals unbroken and labels intact and

free of moisture. Do not use materials that have been exposed to moisture or if there is

visible damage to the packaging.

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B. Receipt Process: All materials must be inspected upon receipt and properly documented as

to the amount of material and the identification of the material by batch numbers. Dates

and times along with the shipping company delivering the material should be recorded for

possible future reference.

C. Storage: Contractor shall designate a specific space at the project site for storing and

mixing materials. Protect this space and repair all damage resulting from use. Do not store

kerosene nor gasoline in this space. Remove oily rags at the end of each day’s work.

Products are to be kept dry, protected from weather and stored under cover within the

temperature ranges recommended by the manufacturer. Products are to be stored and

handled according to their MSDSs or appropriate classification. Damaged or unsuitable

products shall be promptly removed from the job site and shall be replaced with suitable

materials.

PART 3 - EXECUTION

3.1 GENERAL

A. All structural rehabilitation of existing pipe and manhole sections will follow the

procedures listed below.

B. The Contractor shall carry out their operations in strict accordance with all applicable

OSHA standards.

C. The Contractor will be responsible for locating and accessing all manholes, as required.

Owner shall provide access to water hydrants for cleaning and other work items requiring

water as specified in the Contract documents.

D. All surfaces, which have been damaged by the Contractor’s operations, shall be restored to

a condition at least equal to that in which they were found immediately prior to the

beginning of the Contractor’s operations. Suitable materials and methods shall be used for

such restoration, and the Owner reserves the right to approve both the methods and

materials. The restoration of existing property or structures shall be done as promptly as

practical and shall not be left until the end of the construction period. Compensation for

this work will be included in the rehabilitation item to which it pertains.

3.2 BYPASS PUMPING

A. Maintain sanitary sewer service during the installation process, as required for acceptable

completion of the work and / or to avoid damages due to sewer spills or overflows.

B. Install and operate bypass pumping equipment to maintain sewage flow around the host

infrastructure being rehabilitated, and to prevent backup or overflow in compliance with

Owner requirements.

C. Coordinate with Owner regarding potential upstream diversion strategies which could

potentially reduce influent flow from upstream system.

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D. Install all bypass and isolation material and equipment so as to not affect flow in upstream

or downstream structures. The pump and bypass lines shall be of adequate capacity and

size to handle the anticipated flow. Bypassing of sanitary sewer into the storm water

system will not be permitted. For all bypass pumping, pump noise shall be kept to a

minimum.

3.3 CLEANING

A. Cleaning shall be performed in accordance with the requirements of Section 33 01 30.41

Cleaning of Sanitary Sewers

B. All internal debris should be removed from the original pipeline.

C. The surface of the pipe to be lined shall be capable of directly receiving the lining material.

D. When grease and oil are present within the pipe, water may be heated to 200 degrees, or an

approved detergent may be added to the water or a dilute solution of muriatic acid may be

used integrally with the high pressure cleaning water.

E. All materials resulting from the cleaning of the pipe shall be removed prior to application

of the geopolymer lining material.

F. All loose or defective concrete, brick, or grout, shall be removed to provide an even surface

prior to application of the geopolymer lining material.

3.4 PRE-INSPECTION

A. Pre-inspection shall be performed in accordance with the requirements of Section 33 01

30.16 Sanitary Sewer Line Television Inspection.

B. At each service connection the operator will stop and turn the camera lens toward the

lateral thereby inspecting the first 8 to 12 inches of the lateral connection. If there remains

a doubt as to whether or not the connection is live, additional “dye and flush” tests shall be

performed as necessary.

C. For each existing service connection determined by the Owner to be active, the Contractor

shall determine the condition of the service connection to the main, make his

recommendation for lateral connection repair, and record both items in his log.

D. Contractor shall verify that pipe and or manhole is clean and conditions are suitable for

installation of the geopolymer liner.

E. Contractor shall notify the Engineer if conditions exist which will impact the installation.

If pre-installation video inspection reveals an obstruction in the line segment (such as

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heavy solids, dropped joints, protruding service connections or collapsed pipe) that cannot

be removed by conventional sewer cleaning equipment and the obstruction will prevent

completion of the insertion process, perform point repairs or obstruction removal prior to

the geopolymer liner installation. Obtain approval of the Engineer before performing

work.

3.5 SURFACE PREPARATION AND PRE-LINING REPAIRS

A. Sealing Active Leaks:

1. The work consists of hand applying a dry quick-setting cementitious mix or, for

heavy leaks, chemical grout designed to instantly stop running water or seepage in

all types of concrete, metal and masonry pipes, manholes and structures. The

applicator shall apply an approved quick- setting mortar or chemical grout in

accordance with manufacturer’s recommendations and the following

requirements.

a. The area to be repaired must be clean and free of debris to the extent the

repair material will bond to the surface of the affected area.

b. For quick-setting mortar, with gloved hand, place a generous amount of

the dry quick- setting cementitious material to the active leak, with a

smooth fast motion, maintaining external pressure for 30 seconds, repeat

until leak is stopped.

c. Proper application should not require any special mixing of product or

special curing requirements after application.

2. Materials, additives, mixture ratios, and procedures utilized for the grouting

process shall be in accordance with manufacturer’s recommendations and shall be

appropriate for the application. Contractor shall submit product information for

quick-setting cementitious mix to Engineer for review and approval prior to

application.

B. Structural Repairs

1. The work consists of mixing and applying flowable fill, or a rapid setting, high-

early strength, non-shrink patching material and/or the reinstallation of missing

bricks/blockwork to fill all irregular openings, gaps, large voids, missing bricks

and to repair inverts prior to spray lining of the. For pipe or manhole invert

repairs, flow must be temporarily restricted prior to cleaning.

a. The area to be repaired must be capable of receiving the appropriate

repair material.

b. The area to be repaired must be restored/filled to a depth that provides a

constant, smooth interior pipe circumference and diameter.

c. Mix water shall be clean potable water and require no additives or

admixtures for use with cementitious patching materials.

d. Flowable fill shall be mixed on-site or delivered to the site ready for use.

Patching material shall be mixed in a mortar tub or 5-gallon pail with

water per manufacturer’s specifications. Material should be mixed in

small quantities, to avoid setting prior to placement in voids or inverts.

e. Once mixed to proper consistency, the materials shall be applied to the

invert or void areas by pump, hand or trowel. In invert applications, care

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should be taken to not apply excessive material in the channel, which

could restrict flow. Once applied, materials should be smoothed either by

hand or trowel in order to facilitate flow.

f. Flows in inverts patched with patching material can be reestablished

within 30 minutes of material placement. Flows in inverts patched with

flowable fill shall not be reestablished until rehabilitation of the host

infrastructure with Geopolymer liner.

2. Materials, additives, mixture ratios, and procedures utilized for repair and

patching work shall be in accordance with manufacturer’s recommendations and

shall be appropriate for the application. Contractor shall submit product

information to Engineer for review and approval prior to application.

3.6 PREPARATION OF GEOPOLYMER LINING MATERIAL

A. Contractor shall add the Geopolymer material to the batch water following precisely the

manufacturer’s water/material ratio. Precision metering of water in mixer is required to

maintain the strict water to material ratio. The ability to closely adjust and monitor the

addition of water through the use of a water meter is required.

B. Mixing water temperatures must be determined before blending operations begin. The

mixing water temperature must be recorded in the data log at multiple times throughout the

day during the installation process. Water temperatures should be maintained at all times

to within the limits required by the system supplier or manufacturer. The ability to provide

mixing water at a consistent temperature is a critical aspect of the mixing and installation

process.

C. The lining material shall be mixed in a high shear mixer, or similar, to ensure thorough and

uniform mix of water with the material prior to pumping.

D. The mixing operations must be performed so that the minimum of dust is released into the

surrounding environment.

E. The batch style mixing, precise metering of water and pump rate eliminates wet/dry and

thick/thin variations resulting in a uniform structure liner regardless of the pumping

distance.

F. Multiple application nozzles should be onsite at all times to address any application issues

or failure of the nozzle. Multiple nozzles may be required to produce the required depth or

finish of the liner surface.

3.7 APPLICATION OF GEOPOLOYMER MATERIAL

A. The work consists of spray applying and/or centrifugally spin-casting the specified

geopolymer liner material to the inside of an existing structure. The necessary equipment

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and application methods to apply the liner materials shall be only as approved by the

material manufacturer. Material shall be mixed in accordance with manufacturer’s

specifications to proper consistency, then the materials shall be pumped through a high

pressure material hose for delivery to the appropriate and / or selected application device.

B. In brick, block, rock, concrete and corrugated metal pipelines, tunnels and manholes with

deteriorated surfaces, mortar material shall be applied to specified thickness. Application

on all pre-cast/poured-in-place manholes shall occur after preparing surfaces. Material

shall be applied to the bench and invert area in such a manner as to provide for proper

drainage without ponding and to compensate for abrasion. Material must be applied only

when surfaces are damp but with no visible water dripping or running

C. Hand Troweled Application

1. In locations where equipment access is limited or work scope is such that

mobilization of equipment is not justifiable, material may be hand troweled into

place.

2. Proper mixing should be achieved with a portable mixing unit of sufficient

strength to thoroughly mix product to manufacturers recommended consistency.

3. Application of material by troweling shall be performed by starting at the bottom

of the structure and progressing up the wall.

4. Material shall be applied to a specified uniform minimum thickness, unless

otherwise instructed by manufacturer. Material shall be applied to the bench area

in such a manner as to provide for proper drainage without ponding and

accounting for anticipated abrasion.

5. Troweling of materials shall begin immediately following the mixing of the

product. Initial troweling shall be in a motion, to compress the material into any

voids within the structure walls. Precautions should be taken not to over trowel.

6. Once troweling has been completed the applied liner shall be brushed to remove

trowel marks and to break up the latent surface brought about by troweling.

Brushing should be in the horizontal plane and as with troweling do not over work

the lining material.

D. Hand Spray Application

1. Material hose shall be coupled to a low-velocity spray application nozzle.

Pumping of the material shall commence and the mortar shall be atomized by the

introduction of air at the nozzle, creating a low-velocity spray pattern for material

application.

2. Spraying shall be performed by starting at the bottom of the structure and

progressing up the wall.

3. Material shall be applied to a specified uniform minimum thickness. Material

shall be applied to the bench area in such a manner as to provide for proper

drainage without ponding and accounting for anticipated abrasion.

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4. Troweling of materials shall begin immediately following the spray application.

Initial troweling shall be in a motion, to compress the material into any voids

within the structure walls. Precautions should be taken not to over trowel.

5. Once troweling has been completed the applied liner shall be brushed to remove

trowel marks and to break up the latent surface brought about by troweling.

Brushing should be in the horizontal plane and as with troweling do not over work

the lining material.

E. Centrifugal Application

F. Spin-cast unit shall be approved by the material manufacturer. Mechanical

insertion/extraction equipment and speeds shall be calibrated to the structure diameter to

ensure uniform application to specified thickness. Material hose shall be coupled to the

spin- cast unit. The spin-cast unit shall then be positioned within the center of the

horizontal or vertical structure.

1. Vertical Structures/Manholes

a. Initially locate the spinner at either the top of the manhole chimney or the

lowest point corresponding to the junction of the manhole bench and

walls

b. The spin-cast unit shall then be initialized, and pumping of the material

shall commence.

c. As the mortar begins to be centrifugally cast evenly around the interior of

the structure, the rotating applicator head may be cycled up and down,

when installing in rough, non-uniform vertical structures, at a controlled

retrieval speed *conducive to providing a uniform material thickness on

the structure walls.

2. Horizontal Structures/Pipes

a. The Geopolymer lining material delivery hose shall be coupled to a

medium- velocity spray application nozzle.

b. Pumping of the material shall commence and the material shall be spin

cast onto the pipe surface.

c. A gyroscopic head that has a speed adjustment for making multiple

position changes per minute is required. The gyroscopic head allows the

spin cast mechanism and the associated selected nozzle to make multiple

passes on the pipe wall in a single pass of the sled assembly.

d. Spraying of a pipe shall be performed by starting at the pipe end-project

location (Lower level) and progressing towards the entrance of the pipe

(Higher level).

e. At the beginning of each application segment the mechanical retraction

system should be calibrated

f. The measured rate observed and recorded must be within 5% of the

expected speed and can be verified by this process.

g. Geopolymer liner shall be applied to a specified uniform minimum

thickness as instructed by the professional engineer.

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h. The Geopolymer delivery hose shall be coupled to a gyroscopic

applicator device. The gyroscopic applicator shall then be positioned

within the center, or positioned higher inside the pipe, as required by the

diameter and shape of the pipe.

i. As the material begins to be gyroscopically cast evenly around the

interior of the cavity, the rotating applicator head shall produce a uniform

material thickness to the repair surface.

j. Controlled multiple passes shall then be made, if necessary, until the

specified minimum finished thickness is attained. If the procedure is

interrupted for any reason, the operator shall arrest the longitudinal

transition of the applicator head until flows are recommenced.

k. Material thickness may be verified at any point with an approved depth

gauge. If additional material is required at any level, the gyroscopic

applicator head shall be placed at the location and application shall

recommence until that area meets the required thickness.

l. The lining material shall be applied to a damp surface, with no free

water.

m. The medium-velocity spray nozzle and the gyroscopic spin casting head

may be used in conjunction to facilitate uniform application of the

material to irregularities in the contour of the pipe walls.

n. If desired, the liner may be troweled following the spray application.

Initial troweling shall be in an upward motion, to compress the material

and solidify the pipe wall.

o. Proper steps shall be taken to ensure the material is cured in a moist and

moderate climate as directed by the manufacturer. General underground

conditions are usually adequate to meet this curing requirement.

However, when situations of dry and/or hot conditions are present, the

use of a wind barrier and fogging spray may be required

3.8 CURING OF GEOPOLYMER LINING MATERIAL

A. The manufacturer’s recommended cure schedule must be strictly adhered to at all times.

The Contractor must provide evidence of such adherence via the Data Log.

B. SPECIAL NOTE: The use of curing compounds is not recommended for Geopolymer

liners

3.9 REINSTATEMENT OF LATERALS AND CONNECTING PIPES

A. Using the records from the pre-construction inspections, the Contractor shall insure that all

laterals and other connecting pipes are properly reinstated and put back in service. Any

excessive Geopolymer liner material at the connection shall be removed.

B. Restored openings shall be neatly and smoothly open and without rough edges. Care must

be exercised not to damage the geopolymer lining while reinstating the lateral.

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3.10 TERMINATION AND SEALING AT MANHOLES, JUNCTIONS, BENDS, INLETS,

OUTLETS, SHAFTS AND OTHER STRUCTURES

A. Termination of the Geopolymer liner at the end of a pipe or manhole shall be completed by

hand applying the liner to the outer surface of the pipe or into the interior of the manhole.

B. Unless specifically directed otherwise in the project plans/specification, all

starter/intermediate/terminal manholes/junctions/bends/other structures which are directly

impacted by pipe rehabilitation activities will also be Geopolymer lined as directed in the

project plans/specifications


A. The Contractor will perform a post-installation television in accordance with the

requirements of Section 33 01 30.16 Sanitary Sewer Line Television Inspection.

B. All manhole/junction box work and annular seal shall be completed at time of Post-TV,

with Post-TV being verification of completion.

3.12 TESTING AND ACCEPTANCE

A. Quality Control, Sampling and Testing

1. During application, Applicator shall regularly perform and record Geopolymer

lining thickness readings with a method approved by manufacturer. Applicator

shall submit all documentation on thickness readings to Inspector on a daily basis

when lining application occurs.

2. Sample and make test cylinders per ASTM C 31.

3. Testing frequency shall include the first and last day of construction and:

a. the more frequent of once every ten manholes/vertical shafts or once for

every 40,000 pounds of dry geopolymer material applied for vertical

infrastructure and,

b. the more frequent of once every other day of application or once for

every 40,000 pounds of dry geopolymer material applied for horizontal

infrastructure

4. For ASTM C39 Compression Testing, for each test cycle, a minimum of six

cylinders should be cast, testing two at 7-days, three at 28-days, and retaining one

for 56-days or as directed.

5. For ASTM C78 Flexural Beam testing, for each test cycle, a minimum of nine

beam samples should be cast, testing three at 7-days, three at 28-days, and

retaining three for 56-days or as directed. NOTE: Do not test flexural strength

using ASTM C293 as this will produce higher less conservative values than

ASTM C78.

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Rehabilitation

6. Label the cylinders/beams with the date, location, project, and product batch

numbers. The product batch numbers are located on each geopolymer material

bag.

7. All testing shall be performed by a certified third party testing facility for

verification.

8. Material samples are also required to be submitted to the Owner for testing at

Owner’s cost.

END OF SECTION

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60-Inch Marshall Street Sewer Rehabilitation 04/2017 Sanitary Sewer Line Television Inspection

SECTION 33 01 30.16

SANITARY SEWER LINE TELEVISION INSPECTION

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes: Closed circuit television (CCTV) inspection of underground pipeline

mainlines and manholes to assure pipes have been cleaned, to allow for a determination

of rehabilitation needs, to document pre-rehabilitation condition, or to document post-

rehabilitation condition. Work may include raising paved over or buried manholes and

replacing manhole frames and covers for CCTV inspection.

1. The pipe sections shall be visually inspected by means of closed-circuit

television at pre/ post rehabilitation as specified by the Owner. The inspection

shall be performed one pipe section at a time and the flow in the section being

inspected will be suitably isolated from the remainder of the sanitary sewer

system as required. The Contractor shall be responsible for removing his

equipment from the sewers and for all associated sewer and restoration repairs

necessary as a result of his Work.

B. Related Work Specified in Other Sections Include:

1. Section 33 01 30.41 –Cleaning of Sanitary Sewers

C. Codes and standards referred to in this Section are:

1. National Association of Sewer Service Companies (NASSCO), Pipeline

Assessment and Certification Program©

2. Virginia Occupational Safety and Health (VOSH) Compliance Program

1.2 DEFINITIONS

A. CCTV Inspection: CCTV inspection is a video inspection by the Contractor of sewer

pipelines to determine pre- and/or post-construction conditions of the pipe and the

service lateral connections. CCTV inspection includes the pan-and-tilt video inspection

of manholes.

1.3 SYSTEM DESCRIPTION

A. Performance Requirements:

1. Perform CCTV inspection using personnel trained and certified in the use of

NASSCO’s Pipeline Assessment and Certification Program© (PACP).

Contractor shall submit PACP training certificates of all personnel doing the

work, to the Owner. Survey records are to conform to the latest NASSCO

PACP codification.

2. This Contract requires work in active sewers. Contractor shall follow all federal,

state, and local requirements for safety in confined spaces. Conform to all

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guidelines set forth by VOSH Compliance Program and be solely responsible

for safety during performance of all Work.

3. Contractor shall be responsible for any damage to public or private property

resulting from the televising activities, and repair or otherwise make whole such

damage at no cost to Owner.

4. Equipment:

a. CCTV Equipment: Select and use CCTV equipment that will record

onto a color DVD-ROM. Provide CCTV equipment that produce

instant color photographs of problem areas to document unusual,

questionable, or severe conditions found during the course of the work.

Take photographs whenever the condition ranking exceeds a NASSCO

PACP codification grade 3.

b. Use television monitor and other components of the video system

capable of producing a minimum 500-line resolution colored video

picture.

c. Pipe Inspection Camera: Select and use a pan-and-tilt, radial viewing,

zoom capable pipe inspection camera specifically designed and

constructed for sewer inspections that is able to transmit a continuous

image to the television monitor as it travels through the sewer segment.

Use a camera that is operative in 100 percent humidity conditions. Use

a pipe inspection camera that is provided with the following:

d. Inspection Camera Pan-and-Tilt: Use a pipe inspection camera that

pans ± 275 degrees and rotates 360 degrees.

e. Inspection Camera Zoom: Use a pipe inspection camera that is capable

of zooming 12X.

f. Inspection Camera Footage Counter: Use a camera with an accurate

footage counter which displays on the monitor the distance of the

camera from the centerline of the starting manhole. Use a camera that

has a minimum of 1,000 feet of coaxial cable.

(a) Accuracy: Do not use marking on cable, or the like,

which would require interpolation for depth of

manhole. Use measurement meters that are accurate

over the entire length of the sewer line section being

inspected and have an error less than or equal to 2 feet

per 100 feet. Prior to recording the location of defect,

service connection, etc., take up slack in the cable of

the television inspection camera to assure metering

device is designating proper footage. Check accuracy

of the measurement meters daily by use of a walking

meter, roll-a-tape, or other suitable device.

g. Inspection Camera Resolution: Use a pipe inspection camera that is a

high-resolution color chip camera capable of producing a minimum

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500-line resolution colored video picture. Provide picture quality and

definition that is to the satisfaction of the Owner, but if unsatisfactory,

remove equipment and accept no payment for an unsatisfactory

inspection.

h. Inspection Camera Locating Device: Provide pipe inspection cameras

with a locating device to locate the sewer. Mark location of the sewer

aboveground with a green paint as directed by the Owner.

i. Pipe Inspection Camera Transporters: Provide pipe inspection cameras

with transporters that position the pipe inspection camera near the

horizontal and vertical centerline of the pipeline. Use power

transporters that are driven by tracks or wheels. Provide both track and

wheel power transporters during Work. Manual winches, power

winches, TV cable and powered rewinds, or other devices that do not

obstruct the camera view or interfere with proper documentation of the

sewer conditions may be used to move the camera through the sewer

line. Provide operator remote capability to “steer” camera so as to

navigate the piping in the center. Floating the camera is not acceptable

unless approved by the Owner. When floating, outrigger must keep

device in center of piping even around bends.

j. Pipe Inspection Camera Lighting: Provide a lighting system that allows

the features and condition of the pipe to be clearly seen regardless of

pipe size. A reflector in front of the camera may be required to enhance

lighting in dark or large diameter pipes. Avoid excessive lighting in the

pipes which may result in exaggeration of the defects and pipe

conditions. Equip the camera utilized for CCTV with remote control

devices to adjust the light intensity.

k. CCTV Inspection Acquisition Software: Select and use CCTV

inspection acquisition software capable of generating printed reports to

submit to the Owner on hard copy and on digital media.

l. Use CCTV inspection acquisition software that is NASSCO Pipeline

Assessment and Certification Program© certified and compatible with

the code’s latest release.

m. If required for viewing inspection reports on digital media, provide the

Owner with viewing programs that are Microsoft PC compatible.

n. Acquisition software must be compatible with the City’s current

version of Arc GIS Desktop. The Contractor shall coordinate with the

City’s GIS department for GIS software requirements.

1.4 SUBMITTALS

A. General: Provide all submittals, including the following, as specified in the Contract

Documents.

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B. Submit the equipment manufacturer's operational manual and guidelines to the Owner

for review. Strictly follow such instructions unless modified by the Owner.

C. Submit three sample inspection report DVD-ROMs from recent inspection projects of a

similar nature. Submit the sample inspection reports on digital media and provide hard

copies.

D. Submit inspection reports and DVD-ROMs to the Owner for review. Provide videos,

photos and inspection reports on external hard drive(s) if requested by the Owner.

1. Provide DVD-ROMs of a quality sufficient for the Owner to evaluate the

condition of the sewer, locate the service connections, and verify cleaning. If

quality is not sufficient, Contractor shall re-inspect the pipeline segment and

provide inspection reports, DVD-ROMs at no additional cost to the Owner.

Camera distortions, inadequate lighting, dirty lens, or blurred/hazy picture will

be cause for rejection of DVD-ROMs and rejection of the associated line

segment.

a. Submit one of the initial inspection videos to Owner/Engineer for

review of video quality before inspections are completed.

Owner/Engineer acceptance of initial video quality does not prevent

future rejection of any of the remaining videos.

b. Owner or designee reserves the right to halt inspection during any visit

should picture quality be compromised and operator can not correct.

2. DVD-ROMs and hard drive(s) submitted become the property of the Owner.

3. Maintain a master copy of all inspection reports and DVD-ROMs submitted

until final acceptance of contract and through warranty period.


A. Experience Requirements:

1. Verify that the Contractor has a minimum of 5 years of experience of CCTV

inspection of similar sized infrastructure.

2. The Contractor shall maintain on site at all times a competent field supervisor in

charge of the inspection. The field supervisor shall be responsible for the safety

of all site personnel and site conditions as well as ensuring that all work is

conducted in conformance with the specifications and to the level of quality

specified.


PART 3 - EXECUTION

3.1 PREPARATION

A. Cleaning: Clean pipelines prior to CCTV inspections. Provide cleaning in accordance

with Section 33 01 30.41 –Cleaning of Sanitary Sewers.

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B. Notification: Notify the Owner at least 24 hours in advance of any CCTV inspection so

that the Owner may observe inspection operations.

3.2 CCTV INSPECTION OF PIPELINES

A. The specifications call attention to certain features but do not purport to cover all details

entering into the required work

B. General: Perform CCTV inspection on one sewer section (i.e. manhole to manhole) at a

time.

C. CCTV Inspection: Perform CCTV inspection immediately after pipeline cleaning,

unless specifically allowed by the OWNER. Do not allow inspection camera to

immediately follow behind the cleaning mechanism, but rather follow once at a

minimum distance of 8-feet from nozzle. Verify the pipeline is clean, verify or measure

the pipe sizes, determine existing condition of the pipeline and locate service

connections.

D. Flow Control: Adequately control the flow in the pipeline being CCTV inspected. Do

not exceed the depth of wastewater flow shown below:

Pipe Diameter Depth of Flow (Inches) (Percent of Pipe Diameter)

6 – 10 10

12 – 24 15

Over 24 20

1. If during CCTV inspection of a sewer section, the wastewater flow depth

exceeds the maximum allowable, reduce the flow depth to an acceptable level

by performing the CCTV inspection during minimum flow hours, by diversion

pumping or by pulling a camera with swab, high-velocity jet nozzle or other

acceptable dewatering device. If pulling with a jet nozzle, the camera must be a

minimum of 8-feet from the nozzle.

E. Pipeline Inspection Camera: Move the pipe inspection camera through the pipeline in

the downstream direction at a uniform rate, stopping when necessary to ensure proper

documentation of the sewer's condition and service connections, but do not pull the pipe

inspection camera at a speed greater than 30 feet per minute or 9 meters per minute.

Position camera for inspection at the center point of the diameter or as nearest the center

of non-circular piping.

F. Pipeline Conditions: Inspect pipelines by use of the pan-and-tilt feature of the pipe

inspection to determine the condition of the pipeline. Document the conditions, defects

and observations of pipelines using NASSCO’s Pipeline Assessment and Certification

Program© codes.

G. Locating Point Repairs Necessary to Complete Inspection: If point repair is needed in

order for the continuous inspection to be completed from manhole to manhole due to

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impassibility or sewer collapse, make a special note in the documentation and inspection

report as outlined in Section 3.3 below.

H. Inspection of Infiltration: Quantify visible leakage of extraneous flow into the sewer by

the operator and recorded on electronic log and audio.

I. Communication: Whenever non-remote powered and controlled winches are used to pull

the television camera through the line, set up telephones, radios, or other suitable means

of communication between the operators positioned at the two manholes of the sewer

line being inspected to ensure that good communications exist between members of the

crew.

J. Visual Recording of CCTV Inspection: Make CCTV inspections continuous for pipe

segments between manholes. Do not leave gaps in the visual recording of a sewer

segment and do not show a single segment on more than one visual recording, unless

specifically allowed by the Owner.

K. Passage of Inspection Camera: If during CCTV inspection of a pipeline, the camera is

unable to pass an obstruction even though flow is unobstructed, inspect the pipeline

from the other direction (reverse setup) in order to obtain a complete inspection of the

pipeline. Whenever such a condition arises, notify the Owner to determine if an

obstruction removal or point repair is necessary. When the Contractor encounters a

protruding tap that prevents the passage of the camera, grind the protruding tap as

specified in Section 33 01 30.41 – Special Cleaning unless otherwise directed by the

Owner. After the protruding tap is removed, complete the CCTV inspection of the

pipeline.

1. When the camera is moving from the other direction in order to survey on either

side of an obstruction and a second repair location is encountered away from the

first obstruction, notify the Owner and request a review of the CCTV video.

L. CCTV Inspection Quality: Reject CCTV inspections that have camera distortions,

inadequate lighting, dirty lens, excessive lighting or blurred/hazy picture of the

associated line segment. Re-televise any CCTV inspection deemed unacceptable by the

Owner at no additional cost to the Owner. Payment for televised inspection will not be

made until Owner approves the quality of the inspection report and DVD-ROMs.

3.3 DOCUMENTATION AND INSPECTION REPORT

A. Inspection Report: For each CCTV inspection, provide a completely printed inspection

report generated by the CCTV inspection acquisition software that clearly identifies the

location of defects and observations indexed in relation to adjacent manholes. Record

defects and observations that shall be recorded include structural deficiencies, the

locations and estimations of extraneous flows of service connections, joints, infiltration,

unusual conditions, material transitions, roots, storm sewer connections and cracked or

collapsed sections, the presence of scale and corrosion, signs of previous leakage, sewer

line sections that the camera failed to pass through and reasons for the failure and other

discernible features and data of significance. Document defects and observations in

inspection reports, and supply a copy of such records to the Owner.

1. Hard Copy: Provide three (3) hard copies of the inspection report to the Owner.

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2. Digital Media: Provide the inspection report to the Owner on digital media that

is Microsoft PC compatible. Provide computer files in standard format.

Contact the Owner for format requirements.

3. Defect and Observation Codes: Document defects and observations utilizing the

latest release of NASSCO’s Pipeline Assessment and Certification Program©

codes. Provide a table listing acronyms and their meaning with the logs.

4. JPEG Images: Each inspection report shall provide JPEG images of defects

greater than NASSCO PACP codification grade 3 and observations, including

looking up all service laterals, surveyed during CCTV inspections in the

inspection report. Link JPEG images to inspection report for viewing and

printing when reviewing inspection reports on digital media.

5. MPEG Video: Provide a link to the MPEG video for each defect and

observation surveyed during the pipeline inspection. Videos must play via

standard MPEG-ready software, requiring no proprietary software.

6. Pipeline Condition Rating: Provide a pipeline condition rating in each

inspection report. Use NASSCO’s Pipeline Assessment and Certification

Program©, Condition Grading System to determine the pipeline condition

rating.

7. Inspection Report Format: Provide each inspection report with the following:

a. CCTV Inspection Form: Provide each inspection report with a CCTV

Inspection Form. Use a CCTV Inspection Form that is of a layout and

format in accordance with NASSCO’s Pipeline Assessment and

Certification Program©, CCTV Inspection Form. Other layouts and

formats equivalent to NASSCO may be submitted, upon approval by

the Owner.

b. CCTV Inspection Graphic Form: Provide each inspection report with a

CCTV Inspection Graphic Form. Include the following in the CCTV

Inspection Graphic Form:

c. A pipeline illustration showing the pipe and the upstream and

downstream manholes. Show the location of the each defect and

observation in the pipeline illustration.

d. A record of each defect and observation from the starting manhole

during the inspection. Include the distance from the starting manhole,

NASSCO’s Pipeline Assessment and Certification Program© codes,

and identify the JPEG image for each defect and observation.

e. Direction of flow and direction of camera movement.

f. CCTV Inspection Image Form: Provide each inspection report with a

CCTV Inspection Image Form. Show a record of each defect and

observation during the inspection with JPEG images displayed with

each defect and observation.

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g. Pipeline Condition Rating Form: Provide each inspection report with a

Pipeline Condition Rating Form. Include the following in the Pipeline

Condition Rating Form:

h. List the number of structural defects and the number of operation and

maintenance defects per condition grade, (Condition Grades 1 through

5).

i. List the Structural Pipe Rating, Operations and Maintenance Pipe

Rating, Overall Pipe Rating and Pipe Rating Index.

B. Digital Video/Audio Recording: Provide each inspection report with DVD-ROMs of

the inspection.

1. Include both audio and video information that accurately reproduces the

original picture and sound of the CCTV inspection. Provide the video portion

of the digital recording that is free of electrical interference and produces a clear

and stable image. Provide the audio portion that is sufficiently free of

background and electrical noise as to produce an oral report that is clear and

discernible.

2. Include in the digital recording a visual and audio narrative noting:

a. Date, time of day, and depth of flow;

b. Sewer segment number as provided by Owner;

c. Upstream manhole number;

d. Downstream manhole number;

e. Type of sewer (e.g. sanitary, storm, combined);

f. Size of sewer;

g. Sewer materials of construction;

h. Closest street address and street name on which sewer is located;

i. Direction of movement of camera, heading, and direction of flow;

j. Reason for inspection.

3. Create separate MPEG video files for each pipe segment inspected. If a reverse

setup is required, store the individual portions of that pipe segment in separate

MPEG video files.

4. Provide a DVD-ROM for each pipe segment inspected. A maximum of five (5)

pipe segment inspections may be included on the same DVD-ROM as long as

they are contiguous. Provide DVD-ROMs that are readable. Unreadable DVDs

will be returned and new ones provided at no cost to the Owner. Compile pipe

inspections onto an external hard drive(s) at end of project and provide to the

Owner if requested by the Owner.

5. Continuously display the manhole reach (i.e., manhole to manhole), date, time

and length (in feet and tenth of feet) from starting manhole on the MPEG video.

Place information on screen where it is clearly visible but does not interfere

with video image.

6. Perform the pipeline inspection that consists of identifying a location both

within the pipe segment (physical location) and within the digital recording

(video frame location) for each defect or observation. Do not use time codes for

defect location. This will allow the digital recording and inspection data to be

cross-referenced for instant access to any point of interest within the digital

recording.

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7. DVD-ROM Label: Place one label on the non-recordable side of the DVD-

ROM. Permanently label each DVD-ROM with the following:

a. Assignment Number

b. Contractor’s Name

c. Inspection Type: Survey, Pre-Installation, Post-Installation

d. Date Televised & Date Submitted

e. Basin Number

f. Street Name

g. Pipe Diameter

h. Pipe Length

i. Street Name

j. Pipe Condition Rating as Established by the Owner

8. DVD-ROM Case Label: Provide two labels. Place one label on the spine of the

case and the other on the face of the case. Permanently label each DVDROM

case with the following information:

a. Spine of DVD-ROM case:

b. Assignment Number

c. Reach Number(s)

d. Face of DVD-ROM case:

e. Assignment File Number

f. Contractor’s Name

g. Inspection Type: Survey, Pre-Installation, Post-Installation

h. Date Televised

i. Date Submitted

j. Basin Number

k. Street Name

l. Pipe Diameter

m. Pipe Length

n. Street Name

o. Pipe Condition Rating as Established by the Owner.

3.4 CCTV INSPECTION OF MANHOLES DURING PIPELINE CCTV

A. Manhole Inspection: Record panning the beginning and ending manholes of a sewer

segment to demonstrate that all debris has been removed and to view the condition of

the invert, bench, and sidewalls of the manholes.

END OF SECTION

33 01 30.41 - 1

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60-Inch Marshall Street Sewer Rehabilitation 04/2017 Cleaning of Sanitary Sewers

SECTION 33 01 30.41

CLEANING OF SANITARY SEWERS

PART 1 - GENERAL

1.1 SUMMARY

This section includes requirements for cleaning operations and all associated work for sizes and

lengths of sewers as designated by the Owner.

A. All sewers to be (televised/rehabilitated) shall be cleaned as hereinafter specified to

permit proper (inspection/installation) of the required repair.

B. It is not required that a rapid television inspection be provided by the Contractor during

the cleaning operation. However, the Contractor may at his own expense, rapid TV the

reach to be (televised/rehabilitated) to view current line conditions. Internal reports made

previously to the reaches to be (televised/rehabilitated) will be made available to the

Contractor by the Owner on request.

PART 2 - PRODUCTS

2.1 EQUIPMENT

A. General

The Contractor shall certify that backup equipment is available and can be delivered to

the site within 24 hours.

B. Cleaning Equipment

1. The Contractor shall provide all equipment necessary for proper rodding,

bucketing, brushing, root cutting and flushing of the sewers in the sizes indicated

in the Bid Schedule. The equipment used for cleaning shall be hydraulic high

pressure sewer cleaners specifically designed and constructed for such cleaning.

The sewer cleaner shall have a minimum usable water capacity of 600 gallons

and a pump capable of delivering at least 30 gallons per minute (gpm) at 100 psi.

Pressure to the nozzle shall be regulated by a relief valve adjustable from 1-1500

psi minimum. The equipment will be subject to approval by the Owner.

2. The Contractor shall also provide, as necessary, a heavy duty power rodding

machine which is capable of rodding distances of up to 1,000 feet in one setup. It

shall have the ability to spin the rod either clockwise or counterclockwise, be

able to be pushed straight out or pulled back without rotating the machine. It

shall also be capable of pulling pipe-size swabs or brushes back through the

pipeline for cleaning and flushing purposes.

3. The Contractor shall also provide heavy-duty bucket machines, as necessary, for

use on dragline work to clean the pipeline with buckets, brushes, scrapers, swabs

or other similar devices in order to effectively remove the debris and provide a

33 01 30.41 - 2

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clean sewer for the inspection. The equipment used will be subject to approval

by the Owner.

4. Satisfactory precautions shall be taken to protect the sewer lines from damage

that might be inflicted by the improper use of cleaning equipment. Sewers

damaged as a result of the Contractor's operations shall be promptly repaired by

the Contractor at no cost to the Owner.

5. All equipment, devices, and tools required for this Contract shall be owned (or

leased) and operated by the Contractor.

PART 3 - EXECUTION

3.1 CLEANING OPERATIONS

A. Cleaning Sewers

1. Cleaning of the reaches by means of hydraulic high pressure jetting will be

permitted.

2. Remove all sludge, dirt, sand, grease, roots and other materials from the pipe and

collect and remove resulting debris from the downstream manhole of the sewer

section being cleaned. Passing material from section to section that could be

detrimental to pumping equipment or cause accumulations in wet wells will not

be permitted. When necessary, an approved dam or weir shall be constructed in

the downstream manhole in such a manner that construction debris and solids

will be trapped and retained.

3. Roots shall be removed using root cutters and rooters. Rodding or jet cleaning

alone will not be acceptable in these line sections. After removal of roots, the

line section should be cleaned as in 3.1.A.(2) above.

4. All roots shall be removed prior to (inspection/rehabilitation).

5. Cleaning shall be performed immediately before (inspection/rehabilitation) of the

sewer reach.

6. Existing flows shall not be interrupted for periods longer than one hour. The

Contractor shall take necessary precautions to prevent sewage backup and shall

be responsible if damage results therefrom. Sewage diverted during cleaning

operations shall be returned to the sanitary system and not discharged into

streams or the storm drain system.

B. Disposal of Debris

1. Under no circumstances shall sewage or solids be dumped onto the ground

surface, streets or into ditches, catch basins or storm drains.

2. All solids or semisolids resulting from the cleaning operations shall be removed

from the site by the Contractor. Trucks hauling solids or semisolids from the site

shall be watertight so that no leakage or spillage will occur.

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3. Disposal shall be at an approved facility.

C. Recleaning

If television inspection shows the cleaning to be unsatisfactory in the opinion of the

Owner, the Contractor shall be required to re-clean and re-inspect the sewer line until the

cleaning is shown to be satisfactory to the Owner at no additional expense to the Owner.

END OF SECTION

33 30 10 - 1

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60-Inch Marshall Street Sewer Rehabilitation 04/2017 Thermoplastic Pipe

SECTION 33 30 10

THERMOPLASTIC PIPE

PART 1 - GENERAL

1.1 SUMMARY

A. Scope:

1. These pipe materials may be used in easements and the right-of-way with

approval from the Deputy Director DPU or their designee. Pipe use, storage,

placement, installation and maintenance shall comply with the manufacturer's

specifications.

2. CONTRACTOR shall furnish all labor, materials, equipment and incidentals as

shown, specified and required to install and place in satisfactory service

thermoplastic piping, fittings and specials necessary to complete the Work.

Thermoplastic pipe includes polyvinyl chloride (PVC) and High Density

Polyethylene (HDPE) pipe.

3. Installation of piping shall be in accordance with Section 33 30 20 -Buried Piping

Installation.


1. Section 31 22 00 -Excavation and Backfill

2. Section 33 30 20 -Buried Piping Installation


A. Thermoplastic pipe, fittings and all incidentals shall be furnished by one supplier.

B. Reference Standards: Comply with application provisions and recommendations of the

following.

1. ASTM D 1248 -Polyethylene Plastics Molding and Extrusion Materials

2. ASTM D 1598 -Test for Time-to-Failure of Plastic Pipe Under Constant

Internal Pressure

3. ASTM D 1599 -Test for Short-Time Rupture Strength of Plastic Pipe,

Tubing and Fittings

4. ASTM D 1784 -Rigid Poly (Vinyl Chloride) PVC Compounds and

Chlorinated Poly (Vinyl Chloride) CPVC Compounds

5. ASTM D 1785 -Poly (Vinyl Chloride) (PVC) Plastic Pipe, Schedules

40, 80 and 120

33 30 10 - 2

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6. ASTM D 2122 -Determining Dimensions of Thermoplastic Pipe and

Fittings

7. ASTMD 2321 -Underground Installation of Aexible Thermoplastic

Sewer Pipe.

8. ASTMD 2467 -Socket-Type Poly (Vinyl Chloride) (PVC) Plastic Pipe

Fittings

9. ASTMD 2564 -Solvent Cements for Poly (Vinyl Chloride) (PVC)

Plastic Pipe and Fittings

10. ASTMD 3035 -Polyethylene Plastic Pipe (SDR-PR) Based on

Controlled Outside Diameter

11. ASTM D 3261 -Standard Specification for Butt Heat Fusion

Polyethylene, Plastic Fittings for Polyethylene and

Plastic Pipe and Tubing

12. ASTM D 3350 -Polyethylene Plastic Pipe and Fitting Materials

13. Standard No. 14, National Sanitation Foundation

14. American National Standards Institute

C. Shop Tests: Piping manufacturer shall maintain continuous quality control program. All

plastic molding materials used to manufacture pipe and fittings under this Section shall

be tested for conformance to ASTM D 1784 or ASTM D 1248.

D. Quality Control During Manufacture of HDPE Pipe:

1. Sampling and testing shall be performed during manufacturing

2. Sampling and testing must be representative of manufactured product.

3. Each sample shall be tested in accordance with the following:

Property ASTM Test

Method

Acceptance

Criteria

Units

Cell Classification:

Density D 1505 0.955 g/cm5

Melt Flow D 1238 0.1 g/10 min.

UV Stabilizer D 1603 2 to 3 Percent

HDPE Pipe:

Elastic Modulus D 638 110,000 Psi

Flexural Modulus D 638 133,000 Psi

HDB @ 73ºF/140ºF D 2873 1,600/800 Psi

Vicat Softening Temp. D 1525 255 ºF

ESCR D 1693 >5,000 brs

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4. HDPE pipe fittings shall be furnished from the same pipe manufacturer as pipe

and conform to requirement of ASTM D 3261.

a. Fabricated fittings shall be manufactured from pipe of at least one SDR

heavier pipe than the system piping and shall be pressure rated to match

the piping system.

b. Butt fusion outlets of fabricated fittings shall be machined to the same

SDR as the piping to which the fittings are used.

c. The manufacturer shall subject samples from each molded fittings

production lot to X-ray inspect for voids. Voids shall not be permitted,

and if found in the samples, the entire production lot shall be X-ray

inspected. If additional voids are found, the production lot shall be

rejected.

The Minimum frequency of conformance testing shall be one sample per 10,000

linear feet or part thereof.

1.3 SUBMITTALS

A. Shop Drawings: CONTRACTOR shall submit for approval Shop Drawings showing the

following:

1. Detailed procedures to be used in jointing and installing piping system including

manufacturer's recommendations.

2. Interfacing of piping system to equipment and appurtenances.

3. Detail requirements for burial, supports, anchors, guides, expansion joints, and

all accessories required for a satisfactory piping system.

4. Bill of materials, indicating material composition of pipe, pressure rating,

nominal size with wall dimensions, and its location on the piping installation

drawing.

B. Certificate: Submit certificates of compliance with referenced standards.

1.4 PRODUCT DELIVERY, HANDLING AND STORAGE

A. Refer to section 33 30 20 – Buried Piping Installation

PART 2 - PRODUCTS

2.1 MATERIALS

A. PVC Pipe and Fittings (Schedule 80):

1. Pipe: Schedule 80 PVC pipe shall conform to ASTM D 1785.

2. Fittings: Fittings shall be socket/solvent type conforming to ASTM D 2467,

ASTM D 2683, and ASTM D 2855.

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3. PVC pipe shall not be threaded.


a. Plastic Piping Systems of Maryland, Inc.

b. Elson Thermoplastics

c. Or equal.

B. PVC Pipe and Fittings (SDR-35):

1. Pipe: SDR-35, conforming to ASTM F 679.

2. Fittings: Conform to ASTM D 1784.

3. Joints: Bell and Spigot, conform to ASTM LD 3212.

4. Provide sleeve coupling adaptors where required.


a. CertainTeed Corporation

b. J-M Manufacturing Company

c. Or Equal.

6. Saddles: Provide saddles as manufactured by:

a. Sealtite Model H with bell end for SDR-35 PVC

b. ROMAC CB Sewer saddle

c. Or equal.

C. HDPE Pipe and Fittings:

1. HDPE Pipe: HDPE pipe shall conform to ASTM D 1248, ASTM D 3035, ASTM

D 2447, or ASTM D 3350. HDPE pipe shall be SDR-17 and have a minimum

pressure rating of 100 psi at 73.40p.

2. Fittings: Fittings shall compatible with the pipe supplied and shall be suitable for

working and testing pressures specified for the pipe.

3. Joints: HDPE pipe and fitting joints shall be strong pressure tight joints as

specified for HDPE pipe in Section 33 30 20 -Buried Piping Installation.

4. Products and Manufacturer:

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a. Drisopipe, by Phillips 66

b. Plexco by Cheveron

c. Or equal

2.2 SERVICE CONDITIONS

A. The piping system shall be specifically designed, constructed and installed for the service

intended.

B. CONTRACTOR shall supply type, grade, and strength of pipe required to meet the

specified service conditions. Submit to the City for approval.

2.3 DETAIL REQUIREMENTS

A. Workmanship: The pipe shall be homogeneous throughout and free from visible cracks,

holes, foreign inclusions, or other defects. The pipe shall be uniform in color, opacity,

density, and other physical properties.

B. Dimensions and Tolerances: Dimensions and tolerances shall be measured in accordance

with ASTM D 2122. The eccentricity of the inside and outside circumferences of the pipe

walls shall not exceed 12 percent.

C. Sustained Pressure: The pipe shall not fail, balloon, burst, or weep as defined in ASTMD

1598.

D. Burst Pressure: The minimum burst pressure shall be given, when determined in

accordance with ASTM D 1599.

2.4 IDENTIFICATION

A. Marking on the pipe shall include the following, spaced at intervals of not more than 5

feet:

1. Pipe nominal size

2. Pipe schedule

3. Specification of plastic material

4. Type and grade of plastic

PART 3 - EXECUTION

3.1 ISNTALLATION

A. For Buried Piping Installation, see Section 33 30 20.

END OF SECTION

33 30 20-1

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60-Inch Marshall Street Sewer Rehabilitation 04/2017 Buried Piping Installation

SECTION 33 30 20

BURIED PIPING INSTALLATION

PART 1 GENERAL

1.1 SUMMARY

A. Section Includes:

1. CONTRACTOR shall provide all labor, materials, equipment and

incidentals as shown, specified and required to install and test all

buried piping, fittings, and specials. The Work includes, but is not

limited to, the following:

a. All types and sizes of buried piping, except those specified

under other Sections or other contracts.

b. Supports, restraints, and thrust blocks.

c. Pipe encasements.

d. Work on or affecting existing piping.

e. Testing.

f. Cleaning.

g. Installation of all jointing and gasketing materials, specials,

flexible couplings, mechanical couplings, harnessed and

flanged adapters, sleeves, tie rods, and all other Work

required to complete the buried piping installation.

B. Related Work Specified in Other Sections Includes:

1. Section 31 40 00 - Shoring, Sheeting, and Bracing

2. Section 31 22 00 - Excavation and Backfill

3. Section 03 30 00 - Concrete

1.2 REFERENCES

A. Codes and Standards referred to in this Section:

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1. ANSI B31.1 - Power Piping

2. ASTM D 2321 - Practice for Underground Installation of Flexible

Thermoplastic Sewer Pipe

3. ASTM D 2467 - Specification for Socket-type PVC Plastic Pipe

Fittings, Schedule 80

4. ASTM D 2774 - Practice for Underground Installation of Thermo-

plastic Pressure Piping

5. AWWA C105 - Polyethylene Encasement for Ductile-Iron Piping

for Water and Other Liquids

6. AWWA C600 - Installation of Ductile-Iron Water Mains and

Their Appurtenances

7. AWWA C606 - Grooved and Shouldered Joints

8. AWWA C900 - Standard for PVC Pressure Pipe and Fabricated

Fittings, 4 inches through 12 inches, for Water

Transmission and Distribution

9. AWWA M9 - Concrete Pressure Pipe

10. AWWA M23 - PVC - Design and Installation

11. ASCE MOP No. 37 - Design and Construction of Sanitary and Storm

Sewers

12. Concrete Pipe Handbook, American Concrete Pipe Association

1.3 SUBMITTALS

A. General: Provide all submittals, including the following, as specified in

Division 1.

B. Shop Drawings: Submit for approval the following:

1. Laying schedules for all pipe.

2. Full details of piping, specials, manholes, joints, harnessing and thrust

blocks, and connections to existing piping, structures, equipment and

appurtenances.

C. Tests: Submit description of proposed testing methods, procedures and

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apparatus. Prepare and submit report for each test.

D. Certificates: Submit certificates of compliance with referenced standards.

E. Record Drawings:

1. Submit record drawings prior to the time of Final Completion.


A. Requirements of Regulatory Agencies: Comply with requirements of UL, FM

and other jurisdictional authorities, where applicable.

1.5 DELIVERY, STORAGE AND HANDLING

A. General: Deliver, store and handle all products and materials as specified

in Division 1 and as follows:

B. Transportation and Delivery: Take every precaution to prevent injury to the

pipe during transportation and delivery to the site.

C. Loading and Unloading: Take extreme care in loading and unloading the pipe

and fittings.

1. Work slowly with skids or suitable power equipment, and keep pipe

under perfect control at all times.

2. Under no condition is the pipe to be dropped, bumped, dragged,

pushed, or moved in any way that will cause damage to the pipe or

coating.

D. Sling: When handling the pipe with a crane, use a suitable sling around the

pipe.

1. Under no condition pass the sling through the pipe.

2. Use a nylon canvas type sling or other material designed to prevent

damage to the pipe and coating.

3. When handling uncoated steel or ductile iron pipe, steel cables, chain

or like slings are acceptable.

E. Damaged Piping: If in the process of transportation, handling, or laying, any

pipe or fitting is damaged, replace or repair such pipe or pipes.

F. Blocking and Stakes: Provide suitable blocking and stakes installed to

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prevent pipe from rolling.

1. Obtain approval for the type of blocking and stakes, and the

method of installation.

G. Storage for Gaskets: Store gaskets for pipe joints in a cool place and

protect gaskets from light, sunlight, heat, oil, or grease until installed.

1. Do not use any gaskets showing signs of checking, weathering or

other deterioration.

2. Do not use gasket material stored in excess of six months without

approval.

PART 2 PRODUCTS

2.1 MATERIALS

A. Refer to applicable Pipe Sections for material specifications.

B. General:

1. Marking Piping:

a. Clearly mark each piece of pipe or fitting with a

designation conforming to those shown on the laying schedule.

b. Cast or paint material, type and pressure designation on each

piece of pipe or fitting 4 inches in diameter and larger.

c. Pipe and fittings smaller than 4 inches in diameter shall be

clearly marked by manufacturer as to material, type and rating.

PART 3 EXECUTION

3.1 PREPARATION

A. Dry Trench Bottoms: Lay pipe only in dry trenches having a stable bottom.

1. Where groundwater is encountered, make every effort to obtain a dry

trench bottom.

2. Ensure that ground water level in trench is at least 6 inches below

bottom of pipe before laying piping. Do not lay pipe in water.

Maintain dry trench conditions until jointing and backfilling are

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complete and protect and keep clean water pipe interiors and fittings.

3. If a dry trench bottom has not been obtained due to improper or

insufficient use of all known methods of trench dewatering, then

excavate below grade and place sufficient select fill material or

crushed stone over the trench bottom.

4. If all efforts fail to obtain a stable dry trench bottom and it is

determined that the trench bottom is unsuitable for pipe foundation,

notify the OWNER.

5. Perform trench excavation and backfill in accordance with Sections 31

22 00 - Excavation and Backfill.

3.2 INSTALLATION

A. General:

1. Install piping, joints, fitting and appurtenances in accordance with the

manufacturer’s recommendations and approved shop drawings if

required by the OWNER and as specified in Division 1.

2. If there is a conflict between manufacturer's recommendations and the

Specifications, request instructions from the OWNER before

proceeding.

3. All trench excavations shall be inspected by the OWNER prior to

laying pipe. Notify the OWNER in advance of excavating, bedding

and pipe laying operations.

4. Minimum cover over piping shall be 4 feet unless otherwise shown or

approved by the OWNER.

5. Excavation in excess of that required or shown and which is not

authorized by the OWNER shall be replaced at CONTRACTOR'S

expense with No. 21A stone. It shall be furnished, placed and

compacted in accordance with the requirements of the applicable

Section of Division 2.

6. Concrete and mortared manhole connections shall be equipped with an

integral O-ring or other sealant such that a positive watertight seal is

established.

7. PVC Chimneys shall be installed at locations to be determined by the

OWNER. Concrete shall be as specified in Section 03 30 00 -

Concrete. No backfill shall be placed over concrete within 16 hours of

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placing.

8. Ample time shall be given to the OWNER to obtain the exact

location of each wye branch and chimney before it is covered. Wye

branches and chimneys, which are covered before the OWNER has

had time to obtain their location, shall be exposed so that location

measurements can be taken, at the expense of the CONTRACTOR.

9. PVC manhole drops shall be installed where required by the

OWNER. Concrete for encasements shall be as specified in Section

03 30 00 - Concrete. No backfill shall be placed over this concrete

within 16 hours of placing.

B. Manufacturer's Installation Specialist:

1. When required by the OWNER, provide the services of a competent

installation specialist of the pipe manufacturer when pipe laying

commences for the following pipe materials:

a. Ductile Iron Pipe.

b. PVC Pipe.

C. Separation of Sewers and Potable Water Pipe Lines:

1. Horizontal and Vertical Separation:

a. Wherever possible, existing potable water mains and service

lines, and sanitary sewers shall be separated horizontally by a

clear distance of not less than 10 feet.

b. If local conditions preclude a clear horizontal separation of

not less than 10 feet, the installation will be permitted

provided the potable water main is in a separate trench or

on an undisturbed earth shelf located on one side of the

sewer. The sewers must cross under water mains at an

elevation so the bottom of the potable water main is at least

18 inches above the top of the sewer.

c. Comply with all applicable Virginia Department of Health

Regulations.

2. Crossings:

a. Provide a minimum vertical distance of 18 inches between the

33 30 20-7

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outside of the potable water main and the outside of the sewer

when a sewer or drain must cross over a potable water main.

b. Center one full length section of potable water main over the

sewer so that the sewer joints will be equidistant from the

potable water main joints.

c. Provide adequate structural support where a potable water

main crosses under a sewer to maintain line and grade.

d. Encase either potable water main or sewer in a watertight

carrier pipe which extends 10 feet on both sides of the

crossing, measured perpendicular to the potable water main

or use pressure type pipe material conforming to AWWA

C900 for pipe sizes 6 inches through 12 inches.

D. Plugs:

1. Temporarily plug installed pipe at the end of each day's work or

other interruption to the installation of any pipeline. Plugging shall

prevent the entry of animals, liquids or persons into the pipe or the

entrance or insertion of deleterious materials.

2. Install standard plugs into all bells at dead ends, tees or crosses.

Cap all spigot ends.

3. Fully secure and block all plugs and caps installed for pressure

testing to withstand the specified test pressure.

4. Where plugging is required for phasing of the Work or for subsequent

connection of piping, install watertight, permanent type plugs.

E. Bedding Pipe: Bed pipe as specified below and in accordance with the

details shown.

1. Trench excavation and backfill, and bedding materials shall conform

to the requirements of Section 31 22 00 - Excavation and Backfill.

2. Excavate trenches below the pipe bottom by six inches. Remove all

loose and unsuitable material from the trench bottom.

3. Where the existing trench bottom is deemed unsuitable by the

OWNER, remove unsuitable material and replace it with No. 57 stone.

4. Carefully and thoroughly compact all pipe bedding with hand

held pneumatic compactors.

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5. Do not lay pipe until the OWNER approves the bedding condition.

If a conflict exists obtain clarification from the OWNER before

proceeding.

6. No pipe shall be brought into position until the preceding length has

been bedded and secured in its final position.

F. Laying Pipe - General:

1. Conform to manufacturer's instructions and requirements of the

standards listed below, where applicable:

a. Ductile Iron Pipe: AWWA C600, AWWA C105.

b. Polyvinyl Chloride Pipe: ASTM D 2321, AWWA C900.

c. ASCE Manual of Practice No. 37.

2. Install all pipe accurately to line and grade unless otherwise approved

by the OWNER. Remove and relay pipes that are not laid correctly.

3. Slope piping uniformly between elevations shown.

4. Make adjustments to bring pipe to line and grade by scraping away or

filling in select fill material under the body of the pipe.

5. Start laying pipe at lowest point and proceed towards the higher

elevations, unless otherwise approved by the OWNER.

6. Place bell and spigot pipe so that bells face the direction of laying,

unless otherwise approved by the OWNER.

7. Bring the faces of the spigot ends and the bells of pipes into fair

contact and firmly and completely shove the pipe home.

8. Excavate around joints in bedding and lay pipe so that the barrel

bears uniformly on the trench bottom.

9. Deflections at joints, if allowed, shall not exceed 75 percent of the

amount allowed by the pipe manufacturer.

10. Carefully examine all pipe, fittings and specials for cracks, damage or

other defects while suspended above the trench before installation.

Immediately remove defective materials from site.

11. Inspect interior of all pipe and fittings and completely clean all dirt,

gravel, sand, debris or other foreign material from pipe interior and

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joint recesses before it is moved into the trench. Bell and spigot

mating surfaces shall be thoroughly wire brushed, and wiped clean

and dry immediately before the pipe is laid.

12. Field cut pipe, where required, with a machine specially designed for

cutting piping. Make cuts carefully, without damage to pipe or

lining, and with a smooth end at right angles to the axis of pipe.

Cut ends on push-on joint shall be tapered and sharp edges filed off

smooth. Flame cutting will not be allowed.

13. Blocking under piping will not be permitted unless specifically

approved by the OWNER for special conditions. If permitted,

conform to requirements of AWWA C600.

14. Touch up protective coatings in a satisfactory manner prior to

backfilling.

15. CONTRACTOR shall notify the OWNER in advance of backfilling

operations.

16. On steep slopes, take measures acceptable to the OWNER to prevent

movement of the pipe during installation.

G. Pipe Laying - Trenches:

1. When the excavation is complete to normal grade of the bottom

of the trench, bedding shall be placed, compacted and graded to

provide firm, uniform and continuous support for the pipe. Bell holes

shall be excavated so that only the barrel of the pipe bears upon the

bedding. Blocking under the pipe will not be permitted. Bedding shall

be placed evenly on each side of the pipe to mid-diameter and hand

tools shall be used to force the bedding under the haunches of the

pipe and into the bell holes to give firm continuous support for the

pipe. Bedding shall be placed to 12 inches above the top of the pipe.

The initial 3 feet of backfill above the bedding shall be placed in 1-

foot layers and carefully compacted. Generally the compaction shall

be done evenly on each side of the pipe and compaction equipment

shall not be operated directly over the pipe until sufficient backfill has

been placed to ensure that such compaction equipment will not have a

damaging effect on the pipe. Equipment used in compacting the initial

3-ft of backfill shall be approved by the pipe manufacturer’s

representative prior to use.

2. Properly secure the pipe against movement and make the pipe joints

in the excavation as required.

33 30 20-10

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3. Carefully grade and compact pipe bedding.

4. Bell Holes:

a. Cut out bell holes for each joint as required to permit the

joint to be properly made and allow the barrel of the pipe to

have full bearing throughout its length.

b. Thoroughly tamp bell holes full of select fill material

following the making of each joint.

5. When moveable trench bracing such as trench boxes, moveable

sheeting, shoring or plates are used to support the sides of the

trench, care shall be taken in placing and moving the boxes or

supporting bracing to prevent movement of the pipe, or disturbance

of the pipe bedding and the backfill. As trench boxes, moveable

sheeting, shoring or plates are moved, pipe bedding shall be placed

to fill any voids created and the backfill shall be recompacted to

provide uniform side support for the pipe.

H. Jointing Pipe:

1. Ductile Iron Mechanical Joint Pipe:

a. Wipe clean the socket, plain end and adjacent areas

immediately before making joint. Make certain that cut ends

are tapered and sharp edges are filed off smooth.

b. Lubricate the plain ends and gasket with soapy water or an

approved pipe lubricant, in accordance with AWWA C111,

just prior to slipping the gasket onto the plain end of the joint

assembly.

c. Place the gland on the plain end with the lip extension

toward the plain end, followed by the gasket with the narrow

edge of the gasket toward the plain end.

d. Insert the pipe into the socket and press the gasket firmly and

evenly into the gasket recess. Keep the joint straight during

assembly.

e. Push gland toward socket and center it around pipe with the

gland lip against the gasket.

f. Insert bolts and hand tighten nuts.

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g. Prime all bolts by dipping with a bituminous coating,

except the threads. Coat threads immediately prior to

installation of nuts.

h. Make deflection after joint assembly, if required, but prior

to tightening bolts. Alternately tighten bolts 180 degrees apart

to seat the gasket evenly.

i. Remaking of Joints: If effective sealing is not obtained at the

maximum torque listed above, disassemble and reassemble

the joint after thorough cleaning.

2. Ductile Iron Push-On Joint Pipe:

a. Prior to assembling the joints, the last 8 inches of the exterior

surface of the spigot and the interior surface of the bell shall

be thoroughly cleaned with a wire brush, except where

joints are lined or coated with a special protective lining or

coating.

b. Rubber gaskets shall be wiped clean and flexed until resilient.

Refer to manufacturer's instructions for procedures to ensure

gasket resiliency when assembling joints in cold weather.

c. Insert gasket into joint recess and smooth out the entire

circumference of the gasket to remove bulges and to prevent

interference with the proper entry of the spigot of the entering

pipe.

d. Immediately prior to joint assembly, apply a thin film of

approved lubricant to the surface of the gasket which will

come in contact with the entering spigot end of pipe.

CONTRACTOR may, at his option, apply a thin film of

lubricant to the outside of the spigot of the entering pipe.

e. For assembly, center spigot in the pipe bell and push pipe

forward until it just makes contact with the rubber gasket.

After gasket is compressed and before pipe is pushed or

pulled all the way home, carefully check the gasket for

proper position around the full circumference of the joint.

Final assembly shall be made by forcing the spigot end of

the entering pipe past the rubber gasket until it makes

contact with the base of the bell. When more than a

reasonable amount of force is required to assemble the

joint, the spigot end of the pipe shall be removed to verify

the proper positioning of the rubber gasket. Gaskets that have

33 30 20-12

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been scoured or otherwise damaged shall not be used.

f. Maintain an adequate supply of gaskets and joint lubricant at

the site at all times when pipe jointing operations are in

progress.

3. Proprietary Joints: Pipe which utilizes proprietary joints shall be

installed in strict accordance with the manufacturer's instructions.

4. Flanged Joints:

a. Assemble flanged joints using 1/8-inch ring-type gaskets for

raised face flanges. Use full face gaskets for flat face flanges,

unless otherwise approved by the OWNER. Gaskets shall be

suitable for the service intended in accordance with the

manufacturer's ratings and instructions. Gaskets shall be

properly centered.

b. Bolts shall be tightened in a sequence which will insure equal

distribution of bolt loads.

c. The length of bolts shall be uniform, and they shall not project

beyond the nut more than 1/4-inch or fall short of the nut

when fully taken up. The ends of bolts shall be machine cut

so as to be neatly rounded. No washers shall be used.

d. Bolt threads and gasket faces for flanged joints shall be

lubricated prior to assembly.

e. After assembly, coat all bolts and nuts with two 8-mil coats of

a high- build epoxy or bituminous coating as manufactured

by Tnemec, or equal.

5. PVC Push-On Joint Pipe:

a. Bevel all field-cut pipe, remove all burrs and provide a

reference mark the correct distance from the pipe end.

b. Clean the pipe end and the bell thoroughly before making

the joint. Insert the O-ring gasket, making certain it is

properly oriented. Lubricate the spigot well with an approved

lubricant; do not lubricate the bell or O-ring. Insert the spigot

end of the pipe carefully into the bell until the reference mark

on the spigot is flush with the bell.

I. Concrete Cradle

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1. General: When a concrete cradle is to be provided as directed or

specified by the OWNER, lay the pipe to grade by supporting each

section on concrete blocks located near each end.

a. Shape the tops of the blocks to fit the outside diameter of the

pipe.

b. Set the blocks approximately 3/8 inch low.

c. Place the pipe on the blocks on a layer of stiff mortar of

sufficient thickness to bring the pipes to exact grade.

d. Timber blocking, of a type approved, may be employed in

place of concrete blocks.

2. Cradle: Place concrete cradle, on one side only, until it has risen

above the invert on the other side, after which deposit the remainder

of the concrete on both sides to the pipe spring line.

a. Prevent movement of the pipe during concrete placement.

J. Concrete Encasement: When concrete encasement is to be provided as directed

or specified by the OWNER, lay and block the pipeline and place concrete as

specified for concrete cradle.

1. Continue the placing of concrete to provide complete encasement

to the dimensions directed or specified by the OWNER.

K. Backfilling:

1. Conform to the applicable requirements of Section 031 22 00 -

Excavation and Backfill.

2. Place backfill as construction progresses. Backfill by hand and use

power tampers until pipe is covered by at least one foot of fill.

L. Transitions from One Type of Pipe to Another: Provide all necessary

adapters, specials and connection pieces required when connecting different

types and sizes of pipe or connecting pipe made by different manufacturers.

M. Closures: Provide all closure pieces shown or required to complete the Work.

3.3 WORK AFFECTING EXISTING PIPING

A. Location of Existing Piping:

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1. Locations of existing piping shown on drawings provided by the

OWNER should be considered approximate.

2. CONTRACTOR shall determine the true location of existing piping

to which connections are to be made, and location of other

facilities which could be disturbed during excavation operations, or

which may be affected by CONTRACTOR’S Work in anyway.

3.4 FIELD QUALITY CONTROL

A. Television Inspection:

1. If requested by the OWNER, CCTV inspection shall be performed

for all pipe repairs after installation, as outlined in Section 02651

- Television Inspection. The repairs shall be inspected for

infiltration, deflection and joint tightness. Videotapes and DVD-

ROMs of the completed repairs shall be submitted to the OWNER for

approval for payment.

2. All defects found shall be excavated and corrected by the

CONTRACTOR at no additional cost to the OWNER. After

corrections are made, the repair will be televised, recorded and

submitted to the OWNER for approval.

B. Testing of Piping:

1. General:

a. Test all piping except as otherwise authorized by the OWNER.

b. Notify the OWNER 48 hours in advance of testing.

c. Provide all testing apparatus, including pumps, hoses,

gages, and fittings.

d. Unless otherwise noted, pipelines shall hold specified test

pressure for two hours.

e. Repair and retest pipelines which fail to hold specified test

pressure or which exceed the allowable leakage rate.

f. Unless otherwise specified, test pressures required are at the

lowest elevation of the pipeline section being tested.

g. Conduct all tests in the presence of the OWNER.

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h. Advise local authorities having jurisdiction if their

presence is required during testing.

i. Both a water leakage test and a low pressure air test shall be

performed.

2. General Pressure Test Procedure:

a. Complete backfill and compaction at least to the pipe

centerline before testing, unless otherwise required or approved

by the OWNER.

b. For water leakage test, fill section to be tested slowly with

water and expel all air. Install corporation cocks, if necessary,

to remove all air.

c. Test only one section of pipe at a time.

3. Low Pressure Air Testing (27-inch diameter and smaller):

a. Clean pipeline of debris and water prior to beginning test.

b. CONTRACTOR shall furnish test plugs, test gages, stop

watches, air compressors, and personnel, and all required

miscellaneous equipment to complete the test. Test shall be

conducted in accordance with ASTM C828-90 or latest

edition.

c. Determine the test duration for the section under test by

computation from the applicable formulas shown in ASTM

C828-90 or latest edition. The pressure-holding time is based

on an average holding pressure of 3 psi gage or a drop from

3.5 psi to 2.5 psi gage.

d. Add air until the internal air pressure of the sewer line is

raised to approximately 4.0 psi gage. After an internal

pressure of approximately 4.0 psig is obtained, allow time for

the air pressure to stabilize.

e. When the pressure has stabilized and is at or above the

starting test pressure at 3.5 psi gage, commence the test.

Before starting the test, the pressure may be allowed to drop

to 3.5 psig. Record the drop in pressure for the test period. If

the pressure has dropped more than 1.0 psi gage during the

test period, the line shall be presumed to have failed. The

test may be discontinued when the prescribed test time has

been completed even though the 1.0 psig drop has not occurred.

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f. If ground water elevation is above the elevation of the pipe,

increase test pressures to compensate for the water pressure.

4. Leakage Testing:

a. Conduct leakage test for all liquid-conveying piping after

satisfactory completion of low pressure air test.

b. Allow concrete pipe to remain full of water at least 12

hours prior to starting leakage test.

c. Allowable Leakage Rates (gallons per hour per 1,000 feet

per inch diameter):

(1) Ductile Iron Pipe with Push-On or Mechanical Joints:

0.1.

(2) Concrete, Prestressed Cylinder: 0.2.

Thermoplastic Pipe: 0.0.

d. Leakage Test Procedure:

(1) Examine exposed pipe, joints, fittings and valves.

Repair visible leakage or replace the defective pipe,

fitting or valve.

(2) Refill the line under test to reach the required test

pressure.

(3) Provide a test container filled with a known quantity of

water at the start of the test. Attach the test pump

suction to the test container.

(4) Pump water from the test container into the line with

the test pump to hold the specified test pressure for

the test period. Water remaining in the container

shall be measured and the amount used during the

test shall be recorded on the test report.

(5) Perform all repair, replacement, and retesting required

because of failure to meet testing requirements.

5. Allowable Deflection Test:

a. Pipe deflection measured not less than 90 days after the

backfill has been completed as specified shall not exceed

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5 percent. Deflection shall be computed by multiplying the

amount of deflection (nominal diameter less minimum

diameter when measured) by 100 and dividing by the

nominal diameter of the pipe.

b. Deflection shall be measured with a riding mandrel (Go/No

Go) device cylindrical in shape and constructed with a

minimum of 9 evenly spaced arms or prongs. Drawings

of the mandrel with complete dimensions shall be

submitted to the OWNER for each diameter of pipe to

be tested. The mandrel shall be hand pulled through all

sewer lines.

c. Any section of sewer not passing the mandrel shall be

uncovered at no additional cost to the OWNER and the

bedding and backfill replaced to prevent excessive

deflection. Repaired pipe shall be retested at no additional

cost to the OWNER. Retested pipe shall not deflect more

than 4 percent.

6. Infiltration Test:

a. Pipe shall be tested for infiltration after the backfill has

been placed and the ground water allowed to return to

normal elevation. Infiltration tests shall be made in the

presence of the OWNER and the length of line to be tested

shall be not less than the length between adjacent

manholes and not more than the total length of each size of

pipe. The allowable infiltration shall be 100 gals per inch of

diameter per day per mile of pipe in each section tested.

There shall be no gushing or spurting leaks.

b. If an inspection of the completed sewer or any part

thereof shows pipes or joints which allow noticeable

infiltration of water, the defective work or material shall be

replaced or repaired as directed.

c. Rates of infiltration shall be determined by means of V-

Notched weirs, pipe spigots, or by plugs in the end of the

pipe to be furnished and installed in an approved manner

and at such times and locations as may be directed by the

OWNER.

3.5 CLEANING

A. Cleaning:

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1. Thoroughly clean all piping and flush prior to placing in service in a

manner approved by the OWNER.

2. Piping 24 inches in diameter and larger shall be inspected from

inside and all debris, dirt and foreign matter removed.

END OF SECTION

33 31 50-1

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60-Inch Marshall Street Sewer Rehabilitation 04/2017 Sanitary Sewer Bypass Pumping

SECTION 33 31 50

SANITARY SEWER BYPASS PUMPING

PART 1 - GENERAL

1.1 SUMMARY

A. This Section includes all materials, labor, equipment, power, maintenance, etc. to

implement a temporary pumping system for the purpose of diverting the existing flow

around the work area for the duration of the portion of work requiring bypass pumping.

B. The design, installation and operation of the temporary pumping system shall be the

Contractor’s responsibility. The bypass system shall meet the requirements of all codes

and regulatory agencies having jurisdiction.

1.2 SUBMITTALS

A. The Contractor shall submit to the Engineer detailed plans and descriptions outlining all

provisions and precautions to be taken by the Contractor regarding the handling of

existing wastewater flows. This plan must be specific and complete, including such

items as schedules, location, elevation, capacities of equipment, materials and all other

incidental items necessary and/or required to insure proper protection of the facilities,

including protection of the access and bypass pumping location from damage due to the

discharge flows, and compliance with the requirements and permit condition specified in

these Contract Documents. No construction shall begin until all provisions and

requirements have been reviewed by the Engineer.

1. The plan shall include but not be limited to details of the following:

a. Staging areas for pumps

b. Sewer plugging method and types of plugs

c. Number, size, material, location and method of installation of suction

piping

d. Number, size, material, location, method of installation and location of

discharge piping

e. Bypass pump sizes, capacity, number of each size to be on site and

power requirements

f. Calculations of static lift, friction losses, and flow velocity (pump

curves showing pump operating range shall be submitted)

g. Standby power generator size, location

h. Downstream discharge plan

I. Method of protecting discharge manholes or structures from erosion

and damage

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j. Thrust and restraint block sizes and locations

k. Sections showing suction and discharge pipe depth, embedment, select

fill and special backfill

l. Method of noise control for each pump and/or generator

m. Any temporary pipe supports and anchoring required

n. Calculations for selection of bypass pumping pipe size

o. Schedule for installation of and maintenance of bypass pumping lines

PART 2 - PRODUCTS

2.1 EQUIPMENT

A. Primary pumps

1. All pumps shall be fully automatic self-priming units that do not require the use

of foot-valves or vacuum pumps in the priming system. The pumps may be

electric or diesel powered. All pumps used must be constructed to allow dry

running for long periods of time to accommodate the cyclical nature of effluent

flows. The Contractor shall provide the necessary stop/start controls for each

pump.

B. Standby pumps

1. The Contractor shall include one stand-by pump of each size to be maintained

on site. Back-up pumps shall be on-line, isolated from the primary system by a

valve.

C. Discharge Piping

1. In order to prevent the accidental spillage of flows all discharge systems shall be

temporarily constructed of rigid pipe with positive, restrained joints. Under no

circumstances will aluminum “irrigation” type piping or glued PVC pipe be

allowed. Discharge hose will only be allowed in short sections and by specific

permission from the engineer.

PART 3 - EXECUTION

3.1 DESIGN REQUIREMENTS

A. Bypass pumping systems shall have sufficient capacity to pump the following flow

conditions.

1.5 MGD Average Dry Weather Flow Rate/ 15’ Static Head/ 1,900 LF bypass pumping

pipe

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B. The Contractor shall provide all pipeline plugs, pumps of adequate size to handle peak

flow, and temporary discharge piping to ensure that the total flow of the main can be

safely diverted around the section to be repaired or replaced.

B. The Contractor shall have adequate standby equipment available and ready for

immediate operation and use in the event of an emergency or breakdown. One standby

pump of each size pump utilized shall be installed at the mainline flow bypassing

locations, ready for use in the event of primary pump failure.

C. Bypass pumping system shall be capable of bypassing the flow as necessary for

satisfactory performances of work.

D. The Contractor shall make all arrangements for bypass pumping during the time when

the main is shut down for any reason. The system must overcome any existing force

main pressure on discharge.

E. The Contractor shall select pumping/bypassing that will not have excessive noise levels

during operation and shall be restricted to a maximum of seventy decibels (70 dB) at a

distance of fifty feet (50’).

F. Prior to end of each workday, the Contractor shall re-establish normal gravity flow.

Overnight pumping will not be allowed except with prior written approval.

3.2 PERFORMANCE REQUIREMENTS

A. It is essential to the operation of the existing sewerage system that there be no

interruption in the flow of sewage throughout the duration of the project. To this end,

the Contractor shall provide, maintain and operate all temporary facilities such as dams,

plugs, pumping equipment (both primary and back-up units as required), conduits, all

necessary power, and all other labor and equipment necessary to intercept the sewage

flow before it reaches the point where it would interfere with his work, carry it past his

work and return it to the existing sewer downstream of his work.

B. The design, installation and operation of the temporary pumping system shall be the

Contractor’s responsibility. The bypass system shall meet the requirements of all codes

and regulatory agencies having jurisdiction.

C. The Contractor shall provide all necessary means to safely convey the sewage past the

work area. The Contractor will not be permitted to stop or impede the main flows under

any circumstances.

D. The Contractor shall maintain sewer flow around the work area in a manner that will not

cause surcharging of sewers, damage to sewers and that will protect public and private

property from damage and flooding.

E. The Contractor shall protect water resources, wetlands and other natural resources.

3.3 FIELD QUALITY CONTROL AND MAINTENANCE

A. Test

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1. The Contractor shall perform leakage and pressure tests of the bypass pumping

discharge piping using clean water prior to actual operation. The engineer will

be given 24 hours notice prior to testing.

B. Inspection

1. Contractor shall inspect the bypass pumping system every two hours to ensure

that the system is working correctly.

C. Maintenance Service

1. The Contractor shall insure that the temporary pumping system is properly

maintained and a responsible operator shall be on hand at all times when pumps

are operating.

D. Extra materials

1. Spare parts for pumps and piping shall be kept on site as required. Adequate

hoisting equipment for each pump and accessories shall be maintained on the

site.

3.4 PREPARATION

A. Precautions

1. Contractor is responsible for locating any existing utilities in the area the

Contractor selects to locate the bypass pipelines. The Contractor shall locate his

bypass pipelines to minimize any disturbance to existing utilities and shall

obtain approval of the pipeline location from the County and the Engineer.

2. During all bypass pumping operations, the Contractor shall protect all local

sewer lines from damage inflicted by any equipment. The Contractor shall be

responsible for all physical damage to all local sewer lines caused by human or

mechanical failure.

3.5 INSTALLATION AND REMOVAL

A. The Contractor shall remove manhole sections or make connections to the existing

sewer and construct temporary bypass pumping structures only as may be required to

provide adequate suction conduit.

B. Plugging or blocking of sewage flows shall incorporate a primary and secondary

plugging device. When plugging or blocking is no longer needed for performance and

acceptance of work, it is to be removed in a manner that permits the sewage flow to

slowly return to normal without surge, to prevent surcharging or causing other major

disturbances downstream.

C. When working inside manhole or force main, the Contractor shall exercise caution and

comply with OSHA requirements when working in the presence of sewer gases,

combustible or oxygen-deficient atmospheres, and confined spaces.

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D. The installation of the bypass pipelines is prohibited in all saltmarsh/wetland areas. The

pipeline must be located off streets and sidewalks and on shoulders or the roads. When

the bypass pipeline crosses local streets and private driveways, the contractor must place

the bypass pipelines in trenches and cover with temporary pavement. Upon completion

of the bypass pumping operation, and after the receipt of written permission from the

Engineer, the Contractor shall remove all the piping, restore all property to

preconstruction condition and restore all pavement. The Contractor is responsible for

obtaining any approvals for placement of the temporary pipeline within public right-of-

ways.

END OF SECTION

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