NORTH HARRIS COUNTY REGIONAL WATER AUTHORITY STANDARD SPECIFICATION CHEMICAL PIPING

15100 1 June 2017

Section 15100

CHEMICAL PIPING

PART 1 GENERAL

1.01 SUMMARY

This Section includes chemical piping related to chemical [(chlorine gas, chlorine (GAS) solution, sodium hypochlorite (bleach), liquid ammonium sulfate (LAS), service water, and sodium hydroxide (caustic)] feed and supply systems.

1.02 MEASUREMENT AND PAYMENT

No separate payment for Work performed under this Section. Include cost of same in Contract price bid for Work of which this is a component part.

1.03 REFERENCES

This specification references the following publications in their current editions. The publications listed below form a part of this specification to the extent referenced. The publications are referred to in the text by basic designation only.

A. ASTM A53/A53M: Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded, and Seamless

B. ASTM A105/A105M: Standard Specification for Carbon Steel Forgings for Piping Applications

C. ASTM A106/A106M: Standard Specification for Seamless Carbon Steel Pipe for High - Temperature Service

D. ASTM A182/A182M: Standard Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High - Temperature

E. ASTM A216/A216M: Standard Specification for Steel Castings, Carbon, Suitable for Fusion Welding for High Temperature Service

F. ASTM A312/A312M: Standard Specification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes

G. ASTM A403/A403M: Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings

H. ASTM D1784: Standard Specification for Rigid Poly (Vinyl Chloride) (PVC) Compounds and Chlorinated Poly (Vinyl Chloride) (CPVC) Compounds

I. ASTM D1785: Standard Specification for Poly (Vinyl Chloride) (PVC) Plastic Pipe, Schedules 40, 80, and 120

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NORTH HARRIS COUNTY REGIONAL WATER AUTHORITY STANDARD SPECIFICATION CHEMICAL PIPING

15100 2 June 2017

J. ASTM D2467: Standard Specification for Poly (Vinyl Chloride) (PVC) Plastic Pipe Fittings, Schedule 80

K. ASTM D2665: Standard Specification for Poly(Vinyl Chloride) (PVC) Plastic Drain, Waste, and Vent Pipe and Fittings

L. ASME Boiler and Pressure Vessel Code (BPVC) Section VIII, Division 1, Rules for Construction of Pressure Vessels.

M. ASME B16.5: Pipe Flanges and Flanged Fittings NPS 1/2 Through NPS 24 Metric/Inch Standard

N. ASME B16.11: Forged Fittings, Socket-Welding and Threaded

O. ASME B31.3: Process Piping, ASME Code for Pressure Piping

P. ASME B36.10M: Welded and Seamless Wrought Steel Pipe

Q. ASME B36.19: Stainless Steel Pipe

R. AWWA C900: PVC Pipe and Fabricated Fittings, 4 In. Through 12 In. (100 mm Through 300 mm), for Water Transmission and Distribution

S. The Chlorine Institute, Inc.:

1. Pamphlet 6: Piping Systems for Dry Chlorine

2. Pamphlet 94: Sodium Hydroxide Solution and Potassium Hydroxide Solution (Caustic) Storage Equipment and Piping Systems

3. Pamphlet 96: Sodium Hypochlorite Manual

T. CGA G-4.1: Cleaning Equipment for Oxygen Service

U. ISO 9001: Quality Management Systems Requirements

1.04 SUBMITTALS

A. Submit the following in accordance with Section 01330 Submittal Procedures

1. Certified shop and working drawings

2. Operating and maintenance instructions

3. Shop drawings details for accessory items

4. Recommendations for short and long term storage

5. Sales bulletins or other general publications are not acceptable as submittals for review except where necessary to provide supplemental technical data

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NORTH HARRIS COUNTY REGIONAL WATER AUTHORITY STANDARD SPECIFICATION CHEMICAL PIPING

15100 3 June 2017

6. ISO 9001 certification or other quality control manual demonstrating a complete system for quality management

7. Material Certification:

a. Provide certification from the Manufacturer that the materials of construction specified are recommended and suitable for the service conditions specified and indicated.

b. If materials other than those specified are proposed based on incompatibility with the service conditions, provide technical data and certification that the proposed materials are recommended and suitable for the service conditions specified and indicated including an installation list of a minimum of five (5) installations in operation for a minimum of three (3) years. Provide proposed materials at no additional cost to the Owner.

c. Where materials are not specified, provide technical data and certification that the proposed materials are recommended and suitable for the service conditions specified and indicated.

8. Certified results of factory tests

1.05 RELATED REQUIREMENTS

The following related requirements are as applicable and as indicated as part of these Contract Specifications.

A. Section 01330 Submittal Procedures

B. Section 01450 "Contractors Quality Control

C. Section 02515 Hydrostatic Testing of Water Lines

D. Section 11303 Chemical Analyzers

E. Section 13446 Primary Instrument Devices

F. Section 15140 - "Pipe Hangers, Supports, and Restraints"

G. The piping and fittings specified herein shall meet and/or exceed the industry standards and requirements as set forth by the American Society for Testing and Materials (ASTM) and the National Sanitation Foundation (NSF). The piping and fittings shall carry the NSF seal of approval for potable water applications, from an organization accredited by ANSI.

NORTH HARRIS COUNTY REGIONAL WATER AUTHORITY STANDARD SPECIFICATION CHEMICAL PIPING

15100 4 June 2017

1.06 QUALITY ASSURANCE

A. Comply with the requirements specified in Section 01450 "Contractors Quality Control

B. Do work required by and in accordance with applicable State (Provincial) and local codes; arrange for permits, inspections and tests required by these codes.

C. Provide components to Manufacturer's standard for service intended unless otherwise required.

1.07 SYSTEM DESCRIPTION (NOT USED)

1.08 DELIVERY, STORAGE AND HANDLING

During loading, transportation and unloading, prevent damage to pipes and coatings. Load and unload each pipe under control at all times. Under no circumstances shall a dropped pipe be used unless inspected and accepted by the Project Manager. Place skids or blocks under each pipe in the shop and securely wedge pipe during transportation to protect pipe, lining, and coating.

1.09-1.13 (NOT USED)

PART 2 PRODUCTS

2.01 MANUFACTURER(S)

A. Valves (PVC)

1. Ball Valves (PVC):

a. Hayward True Union PVC Ball Valves

b. Chemtrol True Union PVC Ball Valves

c. Or Approved Equal

2. Ball Check Valves (PVC):

a. Hayward True Union PVC Ball Check Valves

b. Chemtrol True Union PVC Ball Check Valves

c. Or Approved Equal

3. Diaphragm Valves:

As recommended by equipment manufacturer to match equipment and system requirements

NORTH HARRIS COUNTY REGIONAL WATER AUTHORITY STANDARD SPECIFICATION CHEMICAL PIPING

15100 5 June 2017

4. Basket Strainers:

As recommended by equipment manufacturer to match equipment and system requirements

5. Solenoid Valves:

a. ASCO Model 8210, normally closed brass solenoid valves

b. Or Approved Equal

6. Valves for chlorine gas lines under pressure (Ball, Globe, Pressure Reducing, Pressure Reducing Shut-Off and Vacuum Relief Valves):

As recommended by equipment manufacturer to match equipment and system requirements

7. Electric Actuators (PVC Ball Valves):

a. Hayward Industrial Products Inc. - Model EVS

b. Or Approved Equal

B. Chemical Tubing and Fittings

1. New Age Industries

2. Nalge, Inc.

3. Norton Company

4. Or Approved Equal

C. Service Water System - Hose, Hose Fittings, and Accessories

1. Hose Products

a. Goodyear Rubber Company

b. B. F. Goodrich.

c. Uniroyal Rubber Company

d. Or Approved Equal

2. Fittings:

a. Dover Corporation, OPW Division

b. American Packing and Gasket Company

NORTH HARRIS COUNTY REGIONAL WATER AUTHORITY STANDARD SPECIFICATION CHEMICAL PIPING

15100 6 June 2017

c. Or Approved Equal

2.02 MATERIALS AND/OR EQUIPMENT

A. Valves and Strainers

1. Valve components shall be compatible to the service they are being used, with components chemically resistant to the chemical being conveyed in the piping.

2. Whip to manifold valves are standard Chlorine Institute (CI) valves

3. Whip to cylinder (container) valves are standard Chlorine Institute (CI) valves

4. Ball Valves (PVC)

a. PVC Body: Cell Class 12454 per ASTM D1784

b. Full port design through 4

c. Reversible PTFE seats

d. Double O-Ring Seals

e. NST/ANSI 61 listed (2 4)

f. Actuator ready design

g. End Connection

1) Greater than 4 shall be flanged

2) 4 and below shall be threaded or f