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SECTION 32 31 19
ORNAMENTAL METAL FENCING SYSTEM
PART 1 - GENERAL
1.01 SUMMARY
A. Section includes an ornamental metal fencing system as indicated on the
Drawings and specified herein.
B. Provide a complete ornamental metal fencing system including pickets, rails,
posts, gates, hardware and all other required components.
1.02 RELATED WORK
A. EARTHWORK: Section 311000.
1.03 REFERENCES
A. American Society of Testing and Materials (ASTM):
1 ASTM A 653 Standard Specification for Steel Sheet, zinc-Coated (Galvanized) or Zinc-Iron-Alloy Coated (Galvannealed) by the Hot-Dip Process. 2 ASTM B 117 Standard Practice for Operating Salt Spray (Fog) Apparatus.
1.04 SUBMITTALS
A. Product Data: Manufacturer's technical literature for all materials.
1.05 DELIVERY, STORAGE AND HANDLING
A. Store materials in a manner to ensure proper ventilation and drainage, and to
protect against damage, weather, vandalism, and theft.
PART 2 - PRODUCTS
2.01 MANUFACTURERS
A. Basis of Design: "AEGIS Il, Invincible 3-RailStyle"; Ameristar Fence Products,
Inc. Subject to compliance with requirements, an equivalent ornamental metal fencing
system by another manufacturer is also acceptable.
2.02 MATERIALS
A. Fence Framework, General: Rails, posts, pickets, and similar fence framework
components shall be fabricated from coil steel having a minimum yield strength of 50,000
psi. The steel shall be hot-dip galvanized according to ASTM A 653, for a G90 zinc
coating weight.
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B. Fence Pickets: Fabricate from 1 inch square by 16 gauge thick tubing. Picket
retaining rods shall be 0.125 inch diameter galvanized steel.
C. Rails: Cross-sectional shape of rails shall conform to "Forerunner" design with outside cross-section
dimensions of 1-3/4 inches square and a minimum 14 gauge thickness. Picket holes in rails shall be spaced
nominal 5 inches on center. Provide rubber grommets to seal all picket-to-rail intersections.
D. Posts: Minimum dimensions shall be 2-1/2 inches square by12 gauge thickness. Post spacing
shall be 74-7/8 inches on center.
2.03 FABRICATION
A. Pre cut pickets, rails, and posts to specified lengths. Pre-punch rails to accept pickets.
B. Insert grommets into the pre-punched holes in rails. Insert pickets through the
grommets so that pre-drilled picket holes align with the internal upper raceway of the
rails. Insert retaining rods into each rail so that they pass through the predrilled holes in
each picket.
C. Completed sections (i.e.panels) shall be capable of supporting a 600lb. Load applied at midspan
without permanent deformation. Panels shall be bias able to a 25 percent change in grade.
D. Fabricate gates using "AEGIS IT" panel material and gate ends having the same I outside cross-section
dimensions at the rail. Each upright and rail intersection shall be joined by welding. Each picket and rail
intersection shall be joined by welding. Provide manufacturer's standard complete hardware package for each
gate.
PART 3 - EXECUTION
3.01 EXAMINATION
A. Examine the areas and conditions under which the ornamental metal fencing
system is to be erected and notify the Architect/Engineer in writing of conditions
detrimental to the proper and timely completion of the work. Do not proceed with the
work until unsatisfactory conditions have been corrected.
3.02 INSTALLATION
A. Fence posts shall be set at spacings of 74-7/8 inches o.c.,plus or minus Y,inch. Gate posts shall be
spaced according to the gate openings indicated on the Drawings. Adjust and lubricate hardware for
smooth, non-binding operation of gates. I
B. Refer to Section 03 30 00 - CAST-IN-PLACECONCRETE and Section 31 10 00 - EARTHWORK for
post base placement and material requirements. "AEGIS II" panels shall be attached to posts with
manufacturer's panel brackets.
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3.03 CLEANING
A. Clean the installation area of excess materials. Post hole excavations shall be
scattered uniformly away from posts.
END OF SECTION 32 31 19
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SECTION 33 70 02.00 10
ELECTRICAL DISTRIBUTION SYSTEM, UNDERGROUND
11/08
PART 1 GENERAL
1.1 REFERENCES
The publications listed below form a part of this specification to the
extent referenced. The publications are referred to within the text by the
basic designation only.
ALLIANCE FOR TELECOMMUNICATIONS INDUSTRY SOLUTIONS (ATIS)
ATIS O5.1 (2008) Specifications and Dimensions (for
Wood Poles)
ASTM INTERNATIONAL (ASTM)
ASTM A 123/A 123M (2009) Standard Specification for Zinc (Hot-
Dip Galvanized) Coatings on Iron and Steel
Products
ASTM A 153/A 153M (2009) Standard Specification for Zinc
Coating (Hot-Dip) on Iron and Steel Hardware
ASTM A 48/A 48M (2003; R 2008) Standard Specification for
Gray Iron Castings
ASTM B 117 (2009) Standing Practice for Operating Salt
Spray (Fog) Apparatus
ASTM B 3 (2001; R 2007) Standard Specification for
Soft or Annealed Copper Wire
ASTM B 8 (2004) Standard Specification for Concentric-
Lay-Stranded Copper Conductors, Hard, Medium-
Hard, or Soft
ASTM C 478 (2009) Standard Specification for Precast
Reinforced Concrete Manhole Sections
ASTM C 478M (2009) Standard Specification for Precast
Reinforced Concrete Manhole Sections (Metric)
ASTM D 1654 (2008) Evaluation of Painted or Coated
Specimens Subjected to Corrosive Environments
ASTM D 4059 (2000; R 2005e1) Analysis of Polychlorinated
Biphenyls in Insulating Liquids by Gas
Chromatography
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ASTM D 923 (2007) Standard Practice for Sampling
Electrical Insulating Liquids
FM GLOBAL (FM)
FM P7825a (2005) Approval Guide Fire Protection
INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS (IEEE)
IEEE C2 (2007; Errata 2006; Errata 2007; INT 44-56
2007; INT 47, 49, 50, 52-56 2008; INT 57, 58,
51, 48 2009) National Electrical Safety Code
IEEE C57.12.00 (2006) Standard General Requirements for
Liquid-Immersed Distribution, Power, and
Regulating Transformers
IEEE C57.98 (1993; R 1999) Guide for Transformer Impulse
Tests
IEEE Std 48 (2009) Test Procedures and Requirements for
Alternating-Current Cable Terminations 2.5 kV
through 765 kV
IEEE Std 81 (1983) Guide for Measuring Earth Resistivity,
Ground Impedance, and Earth Surface
Potentials of a Ground System (Part 1)Normal
Measurements
NATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION (NEMA)
NEMA C119.1 (2006) Sealed Insulated Underground Connector
Systems Rated 600 Volts
NEMA C80.1 (2005) Standard for Electrical Rigid Steel
Conduit (ERSC)
NEMA FB 1 (2007) Standard for Fittings, Cast Metal
Boxes, and Conduit Bodies for Conduit,
Electrical Metallic Tubing, and Cable
NEMA TC 6 & 8 (2003) Standard for Polyvinyl Chloride PVC
Plastic Utilities Duct for Underground
Installations
NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)
NFPA 70 (2008; AMD 1 2008) National Electrical Code -
2008 Edition
UNDERWRITERS LABORATORIES (UL)
UL 1242 (2006; Rev thru Jul 2007) Standard for
Electrical Intermediate Metal Conduit --
Steel
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UL 467 (2007) Standard for Grounding and Bonding
Equipment
UL 486A-486B (2003; Rev thru Apr 2009) Standard for Wire
Connectors
UL 510 (2005; Rev thru Aug 2005) Polyvinyl Chloride,
Polyethylene, and Rubber Insulating Tape
UL 514A (2004; Rev thru Aug 2007) Standard for
Metallic Outlet Boxes
UL 6 (2007) Standard for Electrical Rigid Metal
Conduit-Steel
UL 651 (2005; Rev thru May 2007) Standard for
Schedule 40 and 80 Rigid PVC Conduit and
Fittings
1.2 SYSTEM DESCRIPTION
Items provided under this section shall be specifically suitable for the
following service conditions.
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a. Fungus Control Yes
b. Altitude 1000 feet.
c. Ambient Temperature 104 degrees F.
d. Frequency 60
1.3 SUBMITTALS
Government approval is required for submittals with a "G" designation;
submittals not having a "G" designation are for information only. When
used, a designation following the "G" designation identifies the office that
will review the submittal for the Government. Submit the following in
accordance with Section 01 33 00 SUBMITTAL PROCEDURES:
SD-02 Shop Drawings
Detail Drawings; G, AE
As-Built Drawings; G, AE
Drawings, as specified.
SD-03 Product Data
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Nameplates; G, AE
Catalog cuts, brochures, circulars, specifications, product data,
and printed information in sufficient detail and scope to verify
compliance with the requirements of the contract documents.
Material and Equipment; G, AE
A complete itemized listing of equipment and materials proposed
for incorporation into the work. Each entry shall include an item
number, the quantity of items proposed, and the name of the
manufacturer of each such item.
Installation Requirements; G, AE
As a minimum, installation procedures for transformers,
substations, switchgear, and splices. Procedures shall include
cable pulling plans, diagrams, instructions, and precautions
required to install, adjust, calibrate, and test the devices and
equipment.
SD-06 Test Reports
Factory Tests
Certified factory test reports shall be submitted when the
manufacturer performs routine factory tests, including tests
required by standards listed in paragraph REFERENCES. Results of
factory tests performed shall be certified by the manufacturer, or
an approved testing laboratory, and submitted within 7 days
following successful completion of the tests. The manufacturer's
pass-fail criteria for tests specified in paragraph FIELD TESTING
shall be included.
Field Testing
A proposed field test plan, 20 days prior to testing the
installed system. No field test shall be performed until the test
plan is approved. The test plan shall consist of complete field
test procedures including tests to be performed, test equipment
required, and tolerance limits.
Operating Tests
Six copies of the tests report in 8-1/2 by 11 inch binders having
a minimum of three rings, including a separate section for each
test. Sections shall be separated by heavy plastic dividers with
tabs.
Cable Installation
Six copies of the information described below in 8-1/2 by 11 inch
binders having a minimum of three rings from which material may
readily be removed and replaced, including a separate section for
each cable pull. Sections shall be separated by heavy plastic
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dividers with tabs, with all data sheets signed and dated by the
person supervising the pull.
a. Site layout drawing with cable pulls numerically identified.
b. A list of equipment used, with calibration certifications.
The manufacturer and quantity of lubricant used on pull.
c. The cable manufacturer and type of cable.
d. The dates of cable pulls, time of day, and ambient
temperature.
e. The length of cable pull and calculated cable pulling
tensions.
f. The actual cable pulling tensions encountered during pull.
SD-07 Certificates
Material and Equipment
Where materials or equipment are specified to conform to the
standards of the Underwriters Laboratories (UL) or to be
constructed or tested, or both, in accordance with the standards of
the American National Standards Institute (ANSI), the Institute of
Electrical and Electronics Engineers (IEEE), or the National
Electrical Manufacturers Association (NEMA), submit proof that the
items provided conform to such requirements. The label of, or
listing by, UL will be acceptable as evidence that the items
conform. Either a certification or a published catalog
specification data statement, to the effect that the item is in
accordance with the referenced ANSI or IEEE standard, will be
acceptable as evidence that the item conforms. A similar
certification or published catalog specification data statement to
the effect that the item is in accordance with the referenced NEMA
standard, by a company listed as a member company of NEMA, will be
acceptable as evidence that the item conforms. In lieu of such
certification or published data, the Contractor may submit a
certificate from a recognized testing agency equipped and competent
to perform such services, stating that the items have been tested
and that they conform to the requirements listed, including methods
of testing of the specified agencies. Compliance with above-named
requirements does not relieve the Contractor from compliance with
any other requirements of the specifications.
Installation Engineer
Provide at least one onsite person in a supervisory position with
a documentable level of competency and experience to supervise all
cable pulling operations. A resume shall be provided showing the
cable installers' experience in the last three years, including a
list of references complete with points of contact, addresses and
telephone numbers.
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SD-10 Operation and Maintenance Data
Operation and Maintenance Manuals
Six copies of operation and maintenance manuals, within 7
calendar days following the completion of tests and including
assembly, installation, operation and maintenance instructions,
spare parts data which provides supplier name, current cost,
catalog order number, and a recommended list of spare parts to be
stocked. Manuals shall also include data outlining detailed
procedures for system startup and operation, and a troubleshooting
guide which lists possible operational problems and corrective
action to be taken. A brief description of all equipment, basic
operating features, and routine maintenance requirements shall also
be included. Documents shall be bound in a binder marked or
identified on the spine and front cover. A table of contents page
shall be included and marked with pertinent contract information
and contents of the manual. Tabs shall be provided to separate
different types of documents, such as catalog ordering information,
drawings, instructions, and spare parts data. Index sheets shall
be provided for each section of the manual when warranted by the
quantity of documents included under separate tabs or dividers.
Three additional copies of the instructions manual shall be
provided within 30 calendar days following the manuals.
1.4 QUALITY ASSURANCE
1.4.1 Detail Drawings
Submit detail drawings consisting of equipment drawings, illustrations,
schedules, instructions, diagrams manufacturers standard installation
drawings and other information necessary to define the installation and
enable the Government to check conformity with the requirements of the
contract drawings.
a. If departures from the contract drawings are deemed necessary by the
Contractor, complete details of such departures shall be included with
the detail drawings. Approved departures shall be made at no
additional cost to the Government.
b. Detail drawings shall show how components are assembled, function
together and how they will be installed on the project. Data and
drawings for component parts of an item or system shall be coordinated
and submitted as a unit. Data and drawings shall be coordinated and
included in a single submission. Multiple submissions for the same
equipment or system are not acceptable except where prior approval has
been obtained from the Contracting Officer. In such cases, a list of
data to be submitted later shall be included with the first submission.
Detail drawings shall consist of the following:
(1) Detail drawings showing physical arrangement, construction
details, connections, finishes, materials used in fabrication,
provisions for conduit or busway entrance, access requirements for
installation and maintenance, physical size, electrical
characteristics, foundation and support details, and equipment
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weight. Drawings shall be drawn to scale and/or dimensioned. All
optional items shall be clearly identified as included or excluded.
(2) Internal wiring diagrams of equipment showing wiring as actually
provided for this project. External wiring connections shall be
clearly identified.
(3) Detail drawings shall as a minimum depict the installation of the
following items:
(a) Medium-voltage cables and accessories including cable
installation plan.
(b) Transformers.
(c) Substations.
(d) Switchgear.
(e) Pad-mounted loadbreak switches.
(f) Busways.
(g) Surge arresters.
1.4.2 As-Built Drawings
The as-built drawings shall be a record of the construction as installed.
The drawings shall include the information shown on the contract drawings as
well as deviations, modifications, and changes from the contract drawings,
however minor. The as-built drawings shall be a full sized set of prints
marked to reflect deviations, modifications, and changes. The as-built
drawings shall be complete and show the location, size, dimensions, part
identification, and other information. Additional sheets may be added. The
as-built drawings shall be jointly inspected for accuracy and completeness
by the Contractor's quality control representative and by the Contracting
Officer prior to the submission of each monthly pay estimate. Upon
completion of the work, provide three full sized sets of the marked prints
to the Contracting Officer for approval. If upon review, the as-built
drawings are found to contain errors and/or omissions, they will be returned
to the Contractor for correction. Correct and return the as-built drawings
to the Contracting Officer for approval within 10 calendar days from the
time the drawings are returned to the Contractor.
1.5 DELIVERY, STORAGE, AND HANDLING
Visually inspect devices and equipment when received and prior to acceptance
from conveyance. Protect stored items from the environment in accordance
with the manufacturer's published instructions. Damaged items shall be
replaced. Store oil filled transformers and switches in accordance with the
manufacturer's requirements. Wood poles held in storage for more than 2
weeks shall be stored in accordance with ATIS O5.1. Handle wood poles in
accordance with ATIS O5.1, except that pointed tools capable of producing
indentations more than 1 inch in depth shall not be used. Metal poles shall
be handled and stored in accordance with the manufacturer's instructions.
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1.6 EXTRA MATERIALS
One additional spare fuse or fuse element for each furnished fuse or fuse
element shall be delivered to the contracting officer when the electrical
system is accepted. Two complete sets of all special tools required for
maintenance shall be provided, complete with a suitable tool box. Special
tools are those that only the manufacturer provides, for special purposes
(to access compartments, or operate, adjust, or maintain special parts).
PART 2 PRODUCTS
2.1 STANDARD PRODUCT
Provide material and equipment which are the standard product of a
manufacturer regularly engaged in the manufacture of the product and that
essentially duplicate items that have been in satisfactory use for at least
2 years prior to bid opening. Items of the same classification shall be
identical including equipment, assemblies, parts, and components.
2.2 NAMEPLATES
2.2.1 General
Each major component of this specification shall have the manufacturer's
name, address, type or style, model or serial number, and catalog number on
a nameplate securely attached to the equipment. Nameplates shall be made of
noncorrosive metal. Equipment containing liquid dielectrics shall have the
type of dielectric on the nameplate. As a minimum, nameplates shall be
provided for transformers, circuit breakers, meters, switches, and
switchgear.
2.2.2 Liquid-Filled Transformer Nameplates
Power transformers shall be provided with nameplate information in
accordance with IEEE C57.12.00. Nameplates shall indicate the number of
gallons and composition of liquid-dielectric, and shall be permanently
marked with a statement that the transformer dielectric to be supplied is
non-polychlorinated biphenyl. If transformer nameplate is not so marked,
furnish manufacturer's certification for each transformer that the
dielectric is non-PCB classified, with less than 2 ppm PCB content in
accordance with paragraph LIQUID DIELECTRICS. Certifications shall be
related to serial numbers on transformer nameplates. Transformer dielectric
exceeding the 2 ppm PCB content or transformers without certification will
be considered as PCB insulated and will not be accepted.
2.3 CORROSION PROTECTION
2.3.1 Aluminum Materials
Aluminum shall not be used.
2.3.2 Ferrous Metal Materials
2.3.2.1 Hardware
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Ferrous metal hardware shall be hot-dip galvanized in accordance with ASTM A
153/A 153M and ASTM A 123/A 123M.
2.3.2.2 Equipment
Equipment and component items, including but not limited to transformer
stations and ferrous metal luminaries not hot-dip galvanized or porcelain
enamel finished, shall be provided with corrosion-resistant finishes which
shall withstand 480 hours of exposure to the salt spray test specified in
ASTM B 117 without loss of paint or release of adhesion of the paint primer
coat to the metal surface in excess of 1/16 inch from the test mark. The
scribed test mark and test evaluation shall be in accordance with ASTM D
1654 with a rating of not less than 7 in accordance with TABLE 1, (procedure
A). Cut edges or otherwise damaged surfaces of hot-dip galvanized sheet
steel or mill galvanized sheet steel shall be coated with a zinc rich paint
conforming to the manufacturer's standard.
2.3.3 Finishing
Painting required for surfaces not otherwise specified and finish painting
of items only primed at the factory shall be as specified in Section 09 90
00 PAINTS AND COATINGS.
2.4 CABLES
Cables shall be single conductor type unless otherwise indicated.
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Voltage Cables
Cables shall be rated 600 volts and shall conform to the requirements of
NFPA 70, and must be UL listed for the application or meet the applicable
section of either ICEA or NEMA standards.
2.4.1.1 Conductor Material
Underground cables shall be annealed copper complying with ASTM B 3 and ASTM
B 8 .
2.4.1.2 Insulation
Insulation must be in accordance with NFPA 70, and must be UL listed for the
application or meet the applicable sections of either ICEA, or NEMA
standards.
2.4.1.3 Jackets
Multiconductor cables shall have an overall PVC outer jacket.
2.4.1.4 In Duct
Cables shall be single-conductor cable, in accordance with NFPA 70. .
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2.5 CABLE JOINTS, TERMINATIONS, AND CONNECTORS
2.5.1 Low-Voltage Cable Splices
Low-voltage cable splices and terminations shall be rated at not less than
600 Volts. Splices in conductors No. 10 AWG and smaller shall be made with
an insulated, solderless, pressure type connector, conforming to the
applicable requirements of UL 486A-486B. Splices in conductors No. 8 AWG
and larger shall be made with noninsulated, solderless, pressure type
connector, conforming to the applicable requirements of UL 486A-486B.
Splices shall then be covered with an insulation and jacket material
equivalent to the conductor insulation and jacket. Splices below grade or
in wet locations shall be sealed type conforming to NEMA C119.1 or shall be
waterproofed by a sealant-filled, thick wall, heat shrinkable, thermosetting
tubing or by pouring a thermosetting resin into a mold that surrounds the
joined conductors.
2.5.2 Terminations
Terminations shall be in accordance with IEEE Std 48, Class 1 or Class 2; of
the molded elastomer, wet-process porcelain, prestretched elastomer, heat-
shrinkable elastomer, or taped type. Acceptable elastomers are track-
resistant silicone rubber or track-resistant ethylene propylene compounds,
such as ethylene propylene rubber or ethylene propylene diene monomer.
Separable insulated connectors may be used for apparatus terminations, when
such apparatus is provided with suitable bushings. Terminations shall be of
the outdoor type, except that where installed inside outdoor equipment
housings which are sealed against normal infiltration of moisture and
outside air, indoor, Class 2 terminations are acceptable. Class 3
terminations are not acceptable. Terminations, where required, shall be
provided with mounting brackets suitable for the intended installation and
with grounding provisions for the cable shielding, metallic sheath, and
armor.
2.5.2.1 Factory Preformed Type
Molded elastomer, wet-process porcelain, prestretched, and heat-shrinkable
terminations shall utilize factory preformed components to the maximum
extent practicable rather than tape build-up. Terminations shall have basic
impulse levels as required for the system voltage level. Anti-tracking tape
shall be applied over exposed insulation of preformed molded elastomer
terminations.
2.5.2.2 Taped Terminations
Taped terminations shall use standard termination kits providing terminal
connectors, field-fabricated stress cones, and rain hoods. Terminations
shall be at least 20 inches long from the end of the tapered cable jacket to
the start of the terminal connector, or not less than the kit manufacturer's
recommendations, whichever is greater.
2.6 CONDUIT AND DUCTS
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Duct lines shall be concrete-encased, thin-wall type for duct lines between
manholes and for other medium-voltage lines.Low-voltage lines run elsewhere
may be direct-burial, thick-wall type.
2.6.1 Metallic Conduit
Intermediate metal conduit shall comply with UL 1242. Rigid galvanized
steel conduit shall comply with UL 6 and NEMA C80.1. Metallic conduit
fittings and outlets shall comply with UL 514A and NEMA FB 1.
2.6.2 Nonmetallic Ducts
2.6.2.1 Concrete Encased Ducts
UL 651 Schedule 40 or NEMA TC 6 & 8 Type EB.
2.6.2.2 Direct Burial
UL 651 Schedule 40andSchedule 80as indicated, or NEMA TC 6 & 8 Type DB.
2.6.3 Conduit Sealing Compound
Compounds for sealing ducts and conduit shall have a putty-like consistency
workable with the hands at temperatures as low as 35 degrees F, shall
neither slump at a temperature of 300 degrees F, nor harden materially when
exposed to the air. Compounds shall adhere to clean surfaces of fiber or
plastic ducts; metallic conduits or conduit coatings; concrete, masonry, or
lead; any cable sheaths, jackets, covers, or insulation materials; and the
common metals. Compounds shall form a seal without dissolving, noticeably
changing characteristics, or removing any of the ingredients. Compounds
shall have no injurious effect upon the hands of workmen or upon materials.
2.7 MANHOLES, HANDHOLES, AND PULLBOXES
Manholes, handholes, and pullboxes shall be as indicated. Strength of
manholes, handholes, and pullboxes and their frames and covers shall conform
to the requirements of IEEE C2. Precast-concrete manholes shall have the
required strength established by ASTM C 478, ASTM C 478M. Frames and covers
shall be made of gray cast iron and a machine-finished seat shall be
provided to ensure a matching joint between frame and cover. Cast iron
shall comply with ASTM A 48/A 48M, Class 30B, minimum. Handholes for low
voltage cables installed in parking lots, sidewalks, and turfed areas shall
be fabricated from an aggregate consisting of sand and with continuous woven
glass strands having an overall compressive strength of at least 10,000 psi
and a flexural strength of at least 5,000 psi. Pullbox and handhole covers
in sidewalks, and turfed areas shall be of the same material as the box.
Concrete pullboxes shall consist of precast reinforced concrete boxes,
extensions, bases, and covers.
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TRANSFORMERS
Transformers shall be of the outdoor type having the ratings and
arrangements indicated. Medium-voltage ratings of cable terminations shall
be 5 kV between phases for 133 percent insulation level.
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10.doc2.8.1 Pad-Mounted Transformers
Pad-mounted transformers are provided by utility and installed by
contractor.
DESCRIPTION OF SWITCH ARRANGEMENT SWITCH POSITION
LINE A SW LINE B SW XFMR SW
OPEN CLOSE OPEN CLOSE OPEN CLOSE
1 Line A connected to Line B and both lines connected to transformer
X X X
2 Transformer connected to Line A only X X X
3 Transformer connected to Line B only X X X
4 Transformer open and loop closed X X X
5 Transformer open and loop open X X X
2.8.1.1 Accessories
High-voltage warning signs shall be permanently attached to each side of
transformer stations. Voltage warning signs shall comply with IEEE C2.
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Copper-faced steel or stainless steel ground connection pads shall be
provided in both the high- and low-voltage compartments.
2.9 GROUNDING AND BONDING
2.9.1 Driven Ground Rods
Ground rods shall be copper-clad steel conforming to UL 467 not less than
5/8 inch in diameter by 10 feet in length. Sectional type rods may be
used.
2.9.2 Grounding Conductors
Grounding conductors shall be bare, except where installed in conduit with
associated phase conductors. Insulated conductors shall be of the same
material as phase conductors and green color-coded, except that conductors
shall be rated no more than 600 volts. Bare conductors shall be ASTM B 8
soft-drawn unless otherwise indicated. Aluminum is not acceptable.
2.10 CONCRETE AND REINFORCEMENT
Concrete work shall have minimum 3000 psi compressive strength and conform
to the requirements of Section 03 31 00.00 10 CAST-IN-PLACE STRUCTURAL
CONCRETE. Concrete reinforcing shall be as specified in Section 03 20 01.00
10 CONCRETE REINFORCEMENT.
2.11 PADLOCKS
Padlocks shall comply with Section 08 71 00 DOOR HARDWARE.
2.12 CABLE FIREPROOFING SYSTEMS
Cable fireproofing systems shall be listed in FM P7825a as a fire-protective
coating or tape approved for grouped electrical conductors and shall be
suitable for application on the type of medium-voltage cables provided.
After being fully cured, materials shall be suitable for use where exposed
to oil, water, gases, salt water, sewage, and fungus and shall not damage
cable jackets or insulation. Asbestos materials are not acceptable.
2.12.1 Fireproof Coating
Cable fireproofing coatings shall be compounded of water-based thermoplastic
resins, flame-retardant chemicals, and inorganic noncombustible fibers and
shall be suitable for the application methods used. Coatings applied on
bundled cables shall have a derating factor of less than 5 percent, and a
dielectric strength of 95 volts per mil minimum after curing.
2.12.2 Fireproofing Tape
Fireproofing tape shall be at least 2 inches wide and shall be a flexible,
conformable, polymeric, elastomer tape designed specifically for
fireproofing cables.
2.12.3 Plastic Tape
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Preapplication plastic tape shall be pressure sensitive, 10 mil thick,
conforming to UL 510.
2.13 LIQUID DIELECTRICS
Liquid dielectrics for transformers and other liquid-filled electrical
equipment shall be non-polychlorinated biphenyl (PCB) mineral-oil or less-
flammable liquid as specified. Nonflammable fluids shall not be used.
Tetrachloroethylene (perchloroethylene) and 1, 2, 4 trichlorobenzene fluids
shall not be used. Liquid dielectrics in retrofitted equipment shall be
certified by the manufacturer as having less than 50 parts per million (ppm)
PCB content. In lieu of the manufacturer's certification, the Contractor
may submit a test sample of the dielectric in accordance with ASTM D 923 and
have tests performed in accordance with ASTM D 4059 at a testing facility
approved by the Contracting Officer. Equipment with test results indicating
PCB level exceeding 50 ppm shall be replaced.
2.14 FACTORY TESTS
Factory tests shall be performed, as follows, in accordance with the
applicable publications and with other requirements of these specifications.
The Contracting Officer shall be notified at least 10 days before the
equipment is ready for testing. The Contracting Officer reserves the right
to witness the tests.
a. Transformers: Manufacturer's standard routine tests in accordance with
IEEE C57.12.00.
b. Transformers rated 200 kVA and above: Reduced full-wave, chopped-wave,
and full-wave impulse test on each line and neutral terminal, in
accordance with IEEE C57.98.
2.15 FENCING
Fencing shall conform to the requirements of Section 32 31 13 CHAIN LINK
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PART 3 EXECUTION
3.1 EXAMINATION
After becoming familiar with details of the work, verify dimensions in the
field, and advise the Contracting Officer of any discrepancy before
performing any work.
3.2 INSTALLATION REQUIREMENTS
Equipment and devices shall be installed and energized in accordance with
the manufacturer's published instructions.
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conduits installed underground shall be installed and protected from
corrosion in conformance with the requirements of Section 26 20 00 INTERIOR
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DISTRIBUTION SYSTEM. Except as covered herein, excavation, trenching, and
backfilling shall conform to the requirements of Section 31 00 00 EARTHWORK.
Concrete work shall have minimum 3000 psi compressive strength and conform
to the requirements of Section 03 31 00.00 10 CAST-IN-PLACE STRUCTURAL
CONCRETE.
3.2.1 Conformance to Codes
The installation shall comply with the requirements and recommendations of
NFPA 70 and IEEE C2 as applicable.
3.2.2 Disposal of Liquid Dielectrics
PCB-contaminated dielectrics must be marked as PCB and transported to and
incinerated by an approved EPA waste disposal facility. Furnish
certification of proper disposal. Contaminated dielectrics shall not be
diluted to lower the contamination level.
3.3 CABLE INSTALLATION
Obtain from the manufacturer an installation manual or set of instructions
which addresses such aspects as cable construction, insulation type, cable
diameter, bending radius, cable temperature, lubricants, coefficient of
friction, conduit cleaning, storage procedures, moisture seals, testing for
and purging moisture, etc. And then perform pulling calculations and
prepare a pulling plan which shall be submitted along with the manufacturers
instructions in accordance with SUBMITTALS.
3.3.1 Cable Installation Plan and Procedure
Cable shall be installed strictly in accordance with the cable
manufacturer's recommendations. Each circuit shall be identified by means
of a fiber, laminated plastic, or non-ferrous metal tags, or approved equal,
in each manhole, handhole, junction box, and each terminal. Each tag shall
contain the following information; cable type, conductor size, circuit
number, circuit voltage, cable destination and phase identification.
3.3.1.1 Cable Inspection
The cable reel shall be inspected for correct storage positions, signs of
physical damage, and broken end seals. If end seal is broken, moisture
shall be removed from cable in accordance with the cable manufacturer's
recommendations.
3.3.1.2 Duct Cleaning
Duct shall be cleaned with an assembly that consists of a flexible mandrel
(manufacturers standard product in lengths recommended for the specific size
and type of duct) that is 1/4 inch less than inside diameter of duct, 2 wire
brushes, and a rag. The cleaning assembly shall be pulled through conduit a
minimum of 2 times or until less than a volume of 8 cubic inches of debris
is expelled from the duct.
3.3.1.3 Duct Lubrication
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The cable lubricant shall be compatible with the cable jacket for cable that
is being installed. Application of lubricant shall be in accordance with
lubricant manufacturer's recommendations.
3.3.1.4 Cable Installation
Provide a cable feeding truck and a cable pulling winch as required.
Provide a pulling grip or pulling eye in accordance with cable
manufacturer's recommendations. The pulling grip or pulling eye apparatus
shall be attached to polypropylene or manilla rope followed by lubricant
front end packs and then by power cables. A dynamometer shall be used to
monitor pulling tension. Pulling tension shall not exceed cable
manufacturer's recommendations. Do not allow cables to cross over while
cables are being fed into duct. For cable installation in cold weather,
cables shall be kept at 50 degrees F temperature for at least 24 hours
before installation.
3.3.1.5 Cable Installation Plan
Submit a cable installation plan for all cable pulls in accordance with the
detail drawings portion of paragraph SUBMITTALS. Cable installation plan
shall include:
a. Site layout drawing with cable pulls identified in numeric order of
expected pulling sequence and direction of cable pull.
b. List of cable installation equipment.
c. Lubricant manufacturer's application instructions.
d. Procedure for resealing cable ends to prevent moisture from entering
cable.
e. Cable pulling tension calculations of all cable pulls.
f. Cable percentage conduit fill.
g. Cable sidewall thrust pressure.
h. Cable minimum bend radius and minimum diameter of pulling wheels used.
i. Cable jam ratio.
j. Maximum allowable pulling tension on each different type and size of
conductor.
k. Maximum allowable pulling tension on pulling device.
3.3.2 Duct Line
Cables shall be installed in duct lines where indicated. Cable splices in
low-voltage cables shall be made in manholes and handholes only, except as
otherwise noted. Neutral and grounding conductors shall be installed in the
same duct with their associated phase conductors.
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Electric Manholes
Cables shall be routed around the interior walls and securely supported from
walls on cables racks. Cable routing shall minimize cable crossover,
provide access space for maintenance and installation of additional cables,
and maintain cable separation in accordance with IEEE C2.
3.4 FIREPROOFING
Fire-stops shall be installed in each conduit entering or leaving a
manhole.
3.5 DUCT LINES
3.5.1 Requirements
Numbers and sizes of ducts shall be as indicated. Duct lines shall be laid
with a minimum slope of 4 inches per 100 feet. Depending on the contour of
the finished grade, the high-point may be at a terminal, a manhole, a
handhole, or between manholes or handholes. Short-radius manufactured 90-
degree duct bends may be used only for pole or equipment risers, unless
specifically indicated as acceptable. The minimum manufactured bend radius
shall be 18 inches for ducts of less than 3 inch diameter, and 36 inches for
ducts 3 inches or greater in diameter. Otherwise, long sweep bends having a
minimum radius of 25 feet shall be used for a change of direction of more
than 5 degrees, either horizontally or vertically. Both curved and straight
sections may be used to form long sweep bends, but the maximum curve used
shall be 30 degrees and manufactured bends shall be used. Ducts shall be
provided with end bells whenever duct lines terminate in manholes or
handholes.
3.5.2 Treatment
Ducts shall be kept clean of concrete, dirt, or foreign substances during
construction. Field cuts requiring tapers shall be made with proper tools
and match factory tapers. A coupling recommended by the duct manufacturer
shall be used whenever an existing duct is connected to a duct of different
material or shape. Ducts shall be stored to avoid warping and deterioration
with ends sufficiently plugged to prevent entry of any water or solid
substances. Ducts shall be thoroughly cleaned before being laid. Plastic
ducts shall be stored on a flat surface and protected from the direct rays
of the sun.
3.5.3 Concrete Encasement
Ducts requiring concrete encasements shall comply with NFPA 70, except that
electrical duct bank configurations for ducts 6 inches in diameter shall be
determined by calculation and as shown on the drawings. The separation
between adjacent electric power and communication ducts shall conform to
IEEE C2. Duct line encasements shall be monolithic construction. Where a
connection is made to a previously poured encasement, the new encasement
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shall be well bonded or doweled to the existing encasement. Submit proposed
bonding method for approval in accordance with the detail drawing portion of
paragraph SUBMITTALS. At any point tops of concrete encasements shall be
not less than the cover requirements listed in NFPA 70. Separators or
spacing blocks shall be made of steel, concrete, plastic, or a combination
of these materials placed not farther apart than 4 feet on centers. Ducts
shall be securely anchored to prevent movement during the placement of
concrete and joints shall be staggered at least 6 inches vertically.
3.5.4 Nonencased Direct-Burial
Top of duct lines shall be below the frost line , but not less than 24
inches below finished grade and shall be installed with a minimum of 3
inches of earth around each duct, except that between adjacent electric
power and communication ducts, 12 inches of earth is required. Bottoms of
trenches shall be graded toward manholes or handholes and shall be smooth
and free of stones, soft spots, and sharp objects. Where bottoms of
trenches comprise materials other than sand, a 3 inch layer of sand shall be
laid first and compacted to approximate densities of surrounding firm soil
before installing ducts. Joints in adjacent tiers of duct shall be
vertically staggered at least 6 inches. The first 6 inch layer of backfill
cover shall be sand compacted as previously specified. The rest of the
excavation shall be backfilled and compacted in 3 to 6 inch layers. Duct
banks may be held in alignment with earth. However, high-tiered banks shall
use a wooden frame or equivalent form to hold ducts in alignment prior to
backfilling.
3.5.5 Installation of Couplings
Joints in each type of duct shall be made up in accordance with the
manufacturer's recommendations for the particular type of duct and coupling
selected and as approved.
3.5.5.1 Plastic Duct
Duct joints shall be made by brushing a plastic solvent cement on insides of
plastic coupling fittings and on outsides of duct ends. Each duct and
fitting shall then be slipped together with a quick 1/4-turn twist to set
the joint tightly.
3.5.6 Duct Line Markers
Duct line markers shall be provided at the ends of long duct line stubouts
or for other ducts whose locations are indeterminate because of duct
curvature or terminations at completely below-grade structures. In addition
to markers, a 5 mil brightly colored plastic tape, not less than 3 inches in
width and suitably inscribed at not more than 10 feet on centers with a
continuous metallic backing and a corrosion-resistant 1 mil metallic foil
core to permit easy location of the duct line, shall be placed approximately
12 inches below finished grade levels of such lines.
3.6 MANHOLES, HANDHOLES, AND PULLBOXES
3.6.1 General
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Manholes shall be constructed approximately where shown. The exact location
of each manhole shall be determined after careful consideration has been
given to the location of other utilities, grading, and paving. The location
of each manhole shall be approved by the Contracting Officer before
construction of the manhole is started. Manholes shall be the type noted on
the drawings and shall be constructed in accordance with the applicable
details as indicated. Top, walls, and bottom shall consist of reinforced
concrete. Walls and bottom shall be of monolithic concrete construction.
The Contractor may, as an option, utilize monolithically constructed
precast-concrete manholes having the required strength and inside dimensions
as required by the drawings or specifications. In paved areas, frames and
covers for manhole and handhole entrances in vehicular traffic areas shall
be flush with the finished surface of the paving. In unpaved areas, the top
of manhole covers shall be approximately 1/2 inch above the finished grade.
Where existing grades that are higher than finished grades are encountered,
concrete assemblies designed for the purpose shall be installed to elevate
temporarily the manhole cover to existing grade level. All duct lines
entering manholes must be installed on compact soil or otherwise supported
when entering a manhole to prevent shear stress on the duct at the point of
entrance to the manhole. Duct lines entering cast-in-place concrete
manholes shall be cast in-place with the manhole. Duct lines entering
precast concrete manholes through a precast knockout penetration shall be
grouted tight with a portland cement mortar. PVC duct lines entering
precast manholes through a PVC endbell shall be solvent welded to the
endbell. A cast metal grille-type sump frame and cover shall be installed
over the manhole sump. A cable-pulling iron shall be installed in the wall
opposite each duct line entrance.
3.6.2 Electric Manholes
Cables shall be securely supported from walls by hot-dip galvanized cable
racks with a plastic coating over the galvanizing and equipped with
adjustable hooks and insulators. The number of cable racks indicated shall
be installed in each manhole and not less than 2 spare hooks shall be
installed on each cable rack. Insulators shall be made of high-glazed
porcelain. Insulators will not be required on spare hooks.
3.6.3 Communications Manholes
The number of hot-dip galvanized cable racks with a plastic coating over the
galvanizing indicated shall be installed in each telephone manhole. Each
cable rack shall be provided with 2 cable hooks. Cables for the telephone
and communication systems will be installed by others.
3.6.4 Handholes
Handholes shall be located approximately as shown. Handholes shall be of
the type noted on the drawings and shall be constructed in accordance with
the details shown.
3.6.5 Pullboxes
Pullbox tops shall be flush with sidewalks or curbs or placed 1/2 inch above
surrounding grades when remote from curbed roadways or sidewalks. Covers
shall be marked "Low-Voltage" and provided with 2 lifting eyes and 2 hold-
down bolts. Each box shall have a suitable opening for a ground rod.
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Conduit, cable, ground rod entrances, and unused openings shall be sealed
with mortar.
3.6.6 Ground Rods
A ground rod shall be installed at the manholes, handholes and pullboxes.
Ground rods shall be driven into the earth before the manhole floor is
poured so that approximately 4 inches of the ground rod will extend above
the manhole floor. When precast concrete manholes are used, the top of the
ground rod may be below the manhole floor and a No. 1/0 AWG ground conductor
brought into the manhole through a watertight sleeve in the manhole wall.
3.7 PAD-MOUNTED EQUIPMENT INSTALLATION
Pad-mounted equipment, shall be installed on concrete pads in accordance
with the manufacturer's published, standard installation drawings and
procedures, except that they shall be modified to meet the requirements of
this document. Units shall be installed so that they do not damage
equipment or scratch painted or coated surfaces. After installation,
surfaces shall be inspected and scratches touched up with a paint or coating
provided by the manufacturer especially for this purpose.
3.7.1 Concrete Pads
3.7.1.1 Construction
Concrete pads for pad-mounted electrical equipment may be either pre-
fabricated or shall be poured-in-place. Pads shall be constructed as per
utility company requirements . Conduits for primary, secondary, and
grounding conductors shall be set in place prior to placement of concrete
pads. Where grounding electrode conductors are installed through concrete
pads, PVC conduit sleeves shall be installed through the concrete to provide
physical protection. To facilitate cable installation and termination, the
concrete pad shall be provided with a rectangular hole below the primary and
secondary compartments, sized in accordance with the utility company
recommended dimensions. Upon completion of equipment installation the
rectangular hole shall be filled with masonry grout.
3.7.1.2 Concrete and Reinforcement
Concrete work shall have minimum 3000 psi compressive strength and comform
to the requirements of Section 03 31 00.00 10 CAST-IN-PLACE STRUCTURAL
CONCRETE. Concrete pad reinforcement shall be in accordance with Section 03
20 01.00 10 CONCRETE REINFORCEMENT.
3.7.1.3 Sealing
When the installation is complete, seal all conduit and other entries into
the equipment enclosure with an approved sealing compound. Seals shall be
of sufficient strength and durability to protect all energized live parts of
the equipment from rodents, insects, or other foreign matter.
3.7.2 Padlocks
Padlocks shall be provided for pad-mounted equipment and for each fence
gate. Padlocks shall be keyed as directed by the Contracting Officer.
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3.7.3 Fencing
Fencing shall conform to the requirement of and be installed in accordance
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shall provide working clearances for operation and maintenance in accordance
with IEEE C2. The entire space between fences and concrete pads shall be
excavated to a minimum depth of 4 inches below finished gradelines, shall be
graded to reasonably level surfaces, and filled with well-compacted clean
coarse gravel or crushed stone of 1/2 to 1-1/2 inches graded size up to
finished gradelines. Space between fences and concrete pads shall be
excavated to a minimum depth of 4 inches below finished gradelines, shall be
graded to reasonably level surfaces, and filled with well-compacted clean
coarse gravel or crushed stone of 1/2 to 1-1/2 inches graded size up to
finished gradelines.
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CONNECTIONS TO BUILDINGS
Cables shall be extended into the various buildings as indicated, and shall
be connected to the first applicable termination point in each building.
Interfacing with building interior conduit systems shall be at conduit
stubouts terminating 5 feet outside of a building and 2 feet below finished
grade as specified and provided under Section 26 20 00 INTERIOR DISTRIBUTION
SYSTEM. After installation of cables, conduits shall be sealed with
caulking compound to prevent entrance of moisture or gases into buildings.
3.9 GROUNDING
D riven ground rods shall be installed around pad-mounted equipment as
per utility company requirements . Equipment frames of metal-enclosed
equipment, and other noncurrent-carrying metal parts, such as cable shields,
cable sheaths and armor, and metallic conduit shall be grounded. At least
one connection shall be provided from a transformer, to the ground rods
. Metallic frames and covers of handholes and pull boxes shall be grounded
by use of a braided, copper ground strap with equivalent ampacity of No. 6
AWG.
3.9.1 Grounding Electrodes
Grounding electrodes shall be installed as shown on the drawings and as
follows:
a. Driven rod electrodes - Unless otherwise indicated, ground rods shall
be driven into the earth until the tops of the rods are approximately 1
foot below finished grade.
d. Additional electrodes - When the required ground resistance is not met,
additional electrodes shall be provided interconnected with grounding
conductors to achieve the specified ground resistance. The additional
electrodes will be up to three, 10 feet rods spaced a minimum of 10
feet apart . In high ground resistance, UL listed chemically charged
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ground rods may be used. If the resultant resistance exceeds 25 ohms
measured not less than 48 hours after rainfall, the Contracting Officer
shall be notified immediately.
3.9.2 Grounding and Bonding Connections
Connections above grade shall be made by the fusion-welding process or with
bolted solderless connectors, in compliance with UL 467, and those below
grade shall be made by a fusion-welding process. Where grounding conductors
are connected to aluminum-composition conductors, specially treated or lined
copper-to-aluminum connectors suitable for this purpose shall be used.
3.9.3 Grounding and Bonding Conductors
Grounding and bonding conductors include conductors used to bond
transformer enclosures and equipment frames to the grounding electrode
system. Grounding and bonding conductors shall be sized as shown, and
located to provide maximum physical protection. Bends greater than 45
degrees in ground conductors are not permitted. Routing of ground
conductors through concrete shall be avoided. When concrete penetration is
necessary, nonmetallic conduit shall be cast flush with the points of
concrete entrance and exit so as to provide an opening for the ground
conductor, and the opening shall be sealed with a suitable compound after
installation.
3.9.4 Manhole, Handhole, or Concrete Pullbox Grounding
Ground rods installed in manholes, handholes, or concrete pullboxes shall
be connected to cable racks, cable-pulling irons, the cable shielding,
metallic sheath, and armor at each cable joint or splice by means of a No. 4
AWG braided tinned copper wire. Connections to metallic cable sheaths shall
be by means of tinned terminals soldered to ground wires and to cable
sheaths. Care shall be taken in soldering not to damage metallic cable
sheaths or shields. Ground rods shall be protected with a double wrapping
of pressure-sensitive plastic tape for a distance of 2 inches above and 6
inches below concrete penetrations. Grounding electrode conductors shall be
neatly and firmly attached to manhole or handhole walls and the amount of
exposed bare wire shall be held to a minimum.
3.10 FIELD TESTING
3.10.1 General
Field testing shall be performed in the presence of the Contracting Officer.
Notify the Contracting Officer 20 days prior to conducting tests. Furnish
all materials, labor, and equipment necessary to conduct field tests.
Perform all tests and inspections recommended by the manufacturer unless
specifically waived by the Contracting Officer. Maintain a written record
of all tests which includes date, test performed, personnel involved,
devices tested, serial number and name of test equipment, and test results.
Field test reports shall be signed and dated by the Contractor.
3.10.2 Safety
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Provide and use safety devices such as rubber gloves, protective barriers,
and danger signs to protect and warn personnel in the test vicinity.
Replace any devices or equipment which are damaged due to improper test
procedures or handling.
3.10.3 Ground-Resistance Tests
The resistance of each grounding electrode system shall be measured using
the fall-of-potential method defined in IEEE Std 81. Ground resistance
measurements shall be made before the electrical distribution system is
energized and shall be made in normally dry conditions not less than 48
hours after the last rainfall. Resistance measurements of separate
grounding electrode systems shall be made before the systems are bonded
together below grade. The combined resistance of separate systems may be
used to meet the required resistance, but the specified number of electrodes
must still be provided.
a. Single rod electrode - 25 ohms.
b. Multiple rod electrodes - 10 ohms.
3.10.4 Low-Voltage Cable Test
Low-voltage cable, complete with splices, shall be tested for insulation
resistance after the cables are installed, in their final configuration,
ready for connection to the equipment, and prior to energization. The test
voltage shall be 500 volts dc, applied for one minute between each conductor
and ground and between all possible combinations conductors in the same
trench, duct, or cable, with all other conductors in the same trench, duct,
or conduit. The minimum value of insulation shall be:
R in megohms = (rated voltage in kV + 1) x 1000/(length of cable in feet
Each cable failing this test shall be repaired or replaced. The repaired
cable shall be retested until failures have been eliminated.
3.10.5 Liquid-Filled Transformer Tests
The following field tests shall be performed on all liquid-filled
transformers . Pass-fail criteria shall be in accordance with transformer
manufacturer's specifications.
a. Insulation resistance test phase-to-ground.
b. Turns ratio test.
c. Correct phase sequence.
d. Correct operation of tap changer.
3.10.6 Dry-Type Transformer Tests
The following field tests shall be performed on all dry-type transformers .
Pass-fail criteria shall be in accordance with the transformer
manufacturer's specifications.
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a. Insulation resistance test phase-to-ground.
b. Turns ratio test.
3.10.7 Pre-Energization Services
Calibration, testing, adjustment, and placing into service of the
installation shall be accomplished by a manufacturer's product field service
engineer or independent testing company with a minimum of 2 years of current
product experience. The following services shall be performed on the
equipment listed below. These services shall be performed subsequent to
testing but prior to the initial energization. The equipment shall be
inspected to ensure that installation is in compliance with the
recommendations of the manufacturer and as shown on the detail drawings.
Terminations of conductors at major equipment shall be inspected to ensure
the adequacy of connections. Bare and insulated conductors between such
terminations shall be inspected to detect possible damage during
installation. If factory tests were not performed on completed assemblies,
tests shall be performed after the installation of completed assemblies.
Components shall be inspected for damage caused during installation or
shipment to ensure packaging materials have been removed. Components
capable of being both manually and electrically operated shall be operated
manually prior to the first electrical operation. Components capable of
being calibrated, adjusted, and tested shall be calibrated, adjusted, and
tested in accordance with the instructions of the equipment manufacturer.
Items for which such services shall be provided, but are not limited to, are
the following:
b. Pad-mounted transformers
3.10.8 Operating Tests
After the installation is completed, and at such times as the Contracting
Officer may direct, conduct operating tests for approval. The equipment
shall be demonstrated to operate in accordance with the requirements herein.
An operating test report shall be submitted including the following:
a. A list of equipment used, with calibration certifications.
b. A copy of measurements taken.
c. The dates of testing.
d. The equipment and values to be verified.
e. The condition specified for the test.
f. The test results, signed and dated.
g. A description of adjustments made.
3.11 MANUFACTURER'S FIELD SERVICE
3.11.1 Onsite Training
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Conduct a training course for the operating staff as designated by the
Contracting Officer. The training period shall consist of a total of 8
hours of normal working time and shall start after the system is
functionally completed but prior to final acceptance tests. The course
instruction shall cover pertinent points involved in operating, starting,
stopping, and servicing the equipment, as well as all major elements of the
operation and maintenance manuals. Additionally, the course instructions
shall demonstrate all routine maintenance operations. A VHS format video
tape of the entire training session shall be submitted.
3.11.2 Installation Engineer
After delivery of the equipment, furnish one or more field engineers,
regularly employed by the equipment manufacturer to supervise the
installation of the equipment, assist in the performance of the onsite
tests, initial operation, and instruct personnel as to the operational and
maintenance features of the equipment.
3.12 ACCEPTANCE
Final acceptance of the facility will not be given until the Contractor has
successfully completed all tests and after all defects in installation,
material or operation have been corrected.
-- End of Section --
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SECTION 33 82 00
TELECOMMUNICATIONS OUTSIDE PLANT (OSP)
04/06
PART 1 GENERAL
1.1 REFERENCES
The publications listed below form a part of this specification to the
extent referenced. The publications are referred to in the text by the
basic designation only.
ASTM INTERNATIONAL (ASTM)
ASTM B 1 (2001; R 2007) Standard Specification for
Hard-Drawn Copper Wire
ASTM B 8 (2004) Standard Specification for Concentric-
Lay-Stranded Copper Conductors, Hard, Medium-
Hard, or Soft
ASTM D 1557 (2007) Standard Test Methods for Laboratory
Compaction Characteristics of Soil Using
Modified Effort (56,000 ft-lbf/ft3) (2700 kN-
m/m3)
ASTM D 709 (2001; R 2007) Laminated Thermosetting
Materials
INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS (IEEE)
IEEE C2 (2007; Errata 2006; Errata 2007; INT 44-56
2007; INT 47, 49, 50, 52-56 2008; INT 57, 58,
51, 48 2009) National Electrical Safety Code
IEEE Std 100 (2000) The Authoritative Dictionary of IEEE
Standards Terms
INSULATED CABLE ENGINEERS ASSOCIATION (ICEA)
ICEA S-87-640 (2006) Fiber Optic Outside Plant
Communications Cable
ICEA S-98-688 (2006) Broadband Twisted Pair,
Telecommunications Cable Aircore, Polyolefin
Insulated Copper Conductors
ICEA S-99-689 (2006) Broadband Twisted Pair
Telecommunications Cable Filled, Polyolefin
Insulated Copper Conductors
NATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION (NEMA)
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NEMA C62.61 (1993) Gas Tube Surge Arresters on Wire Line
Telephone Circuits
NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)
NFPA 70 (2008; AMD 1 2008) National Electrical Code -
2008 Edition
TELECOMMUNICATIONS INDUSTRY ASSOCIATION (TIA)
TIA J-STD-607-A (2002) Commercial Building Grounding
(Earthing) and Bonding Requirements for
Telecommunications
TIA TIA/EIA-455-204 (2000) Standard for Measurement of Bandwidth
on Multimode Fiber
TIA-455-107A (1999) Component Reflectance or Link/System
Return Loss using a Loss Test Set
TIA-455-46A (1990) FOTP-46 Spectral Attenuation
Measurement for Long-Length, Graded-Index
Optical Fibers
TIA-455-78 (2002B) FOTP-78 Optical Fibres - Part 1-40:
Measurement Methods and Test Procedures -
Attenuation
TIA-472D000-A (1993) Fiber Optic Communications Cable for
Outside Plant Use
TIA-492AAAB (1998; R 2002) 50-Um Core Diameter/125-Um
Cladding Diameter Class IA Graded-Index
Multimode Optical Fibers
TIA-492CAAA (1998; R 2002) Class IVA Dispersion-Unshifted
Single-Mode Optical Fibers
TIA-526-14-A (1998) OFSTP-14A Optical Power Loss
Measurements of Installed Multimode Fiber
Cable Plant
TIA-526-7 (2002; R 2008) Measurement of Optical Power
Loss of Installed Single-Mode Fiber Cable
Plant OFSTP-7
TIA-568-C.1 (2009) Commercial Building Telecommunications
Cabling Standard
TIA-568-C.3 (2008e1) Optical Fiber Cabling Components
Standard
TIA-590-A (1997) Standard for Physical Location and
Protection of Below Ground Fiber Optic Cable
Plant
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TIA-758-A (2004) Customer-Owned Outside Plant
Telecommunications Cabling Standard
TIA/EIA-455-B (1998) Standard Test Procedure for Fiber
Optic Fibers, Cables, Transducers, Sensors,
Connecting and Terminating Devices, and other
Fiber Optic Components
TIA/EIA-568-B.2 (2001) Commercial Building Telecommunications
Cabling Standard - Part 2: Balanced Twisted
Pair Cabling Components
TIA/EIA-569-A (1998; Addenda 2000, 2001) Commercial
Building Standards for Telecommunications
Pathways and Spaces
TIA/EIA-598-B (2001) Optical Fiber Cable Color Coding
TIA/EIA-606-A (2002) Administration Standard for the
Telecommunications Infrastructure
THE SOCIETY FOR PROTECTIVE COATINGS (SSPC)
SSPC SP 6 (2007) Commercial Blast Cleaning
U.S. DEPARTMENT OF AGRICULTURE (USDA)
RUS 1755 Telecommunications Standards and
Specifications for Materials, Equipment and
Construction
RUS Bull 1751F-630 (1996) Design of Aerial Plant
RUS Bull 1751F-643 (2002) Underground Plant Design
RUS Bull 1751F-815 (1979) Electrical Protection of Outside Plant
RUS Bull 1753F-201 (1997) Acceptance Tests of Telecommunications
Plant (PC-4)
RUS Bull 1753F-401 (1995) Splicing Copper and Fiber Optic Cables
(PC-2)
RUS Bull 345-65 (1985) Shield Bonding Connectors (PE-65)
RUS Bull 345-72 (1985) Filled Splice Closures (PE-74)
RUS Bull 345-83 (1979; Rev Oct 1982) Gas Tube Surge Arrestors
(PE-80)
UNDERWRITERS LABORATORIES (UL)
UL 497 (2001; Rev thru Apr 2009) Protectors for
Paired Conductor Communication Circuits
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UL 510 (2005; Rev thru Aug 2005) Polyvinyl Chloride,
Polyethylene, and Rubber Insulating Tape
UL 83 (20086) Standard for Thermoplastic-Insulated
Wires and Cables
1.2 RELATED REQUIREMENTS
Section 27 10 00, BUILDING TELECOMMUNICATIONS CABLING SYSTEM,
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33 70 02.00 10, ELECTRICAL DISTRIBUTION SYSTEM, UNDERGROUND apply to this
section with additions and modifications specified herein.
1.3 DEFINITIONS
Unless otherwise specified or indicated, electrical and electronics terms
used in this specification shall be as defined in TIA-568-C.1, TIA/EIA-568-
B.2, TIA-568-C.3, TIA/EIA-569-A, TIA/EIA-606-A, and IEEE Std 100 and herein.
1.3.1 Campus Distributor (CD)
A distributor from which the campus backbone cabling emanates.
(International expression for main cross-connect - (MC).)
1.3.2 Entrance Facility (EF) (Telecommunications)
An entrance to the building for both private and public network service
cables (including antennae) including the entrance point at the building
wall and continuing to the entrance room or space.
1.3.3 Entrance Room (ER) (Telecommunications)
A centralized space for telecommunications equipment that serves the
occupants of a building. Equipment housed therein is considered distinct
from a telecommunications room because of the nature of its complexity.
1.3.4 Building Distributor (BD)
A distributor in which the building backbone cables terminate and at which
connections to the campus backbone cables may be made. (International
expression for intermediate cross-connect - (IC).)
1.3.5 Pathway
A physical infrastructure utilized for the placement and routing of
telecommunications cable.
1.4 SYSTEM DESCRIPTION
The telecommunications outside plant consists of cable, conduit, manholes,
poles, etc. required to provide signal paths from the closest point of
presence to the new facility, including free standing frames or backboards,
interconnecting hardware, terminating cables, lightning and surge protection
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modules at the entrance facility. The work consists of providing, testing
and making operational cabling, interconnecting hardware and lightning and
surge protection necessary to form a complete outside plant
telecommunications system for continuous use.
1.5 SUBMITTALS
Government approval is required for submittals with a "G" designation;
submittals not having a "G" designation are for information only. When used,
a designation following the "G" designation identifies the office that will
review the submittal for the Government. The following shall be submitted
in accordance with Section 01 33 00 SUBMITTAL PROCEDURES:
SD-02 Shop Drawings
Telecommunications Outside Plant; G, AE
Telecommunications Entrance Facility Drawings; G, AE
In addition to Section 01 33 00 SUBMITTAL PROCEDURES, provide shop
drawings in accordance with paragraph SHOP DRAWINGS.
SD-03 Product Data
Wire and cable; G, AE
Cable splices, and connectors; G, AE
Closures; G, AE
Building protector assemblies; G, AE
Protector modules; G, AE
Spare Parts; G, AE
Submittals shall include the manufacturer's name, trade name, place
of manufacture, and catalog model or number. Submittals shall also
include applicable federal, military, industry, and technical
society publication references. Should manufacturer's data require
supplemental information for clarification, the supplemental
information shall be submitted as specified in paragraph REGULATORY
REQUIREMENTS and as required for certificates in Section 01 33 00
SUBMITTAL PROCEDURES.
SD-06 Test Reports
Pre-installation tests; G, AE
Acceptance tests; G, AE
Outside Plant Test Plan; G, AE
SD-07 Certificates
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Telecommunications Contractor Qualifications; G, AE
Key Personnel Qualifications; G, AE
Minimum Manufacturer's Qualifications; G, AE
SD-08 Manufacturer's Instructions
Building protector assembly installation; G, AE
Cable tensions; G, AE
Fiber Optic Splices; G, AE
Submit instructions prior to installation.
SD-09 Manufacturer's Field Reports
Factory Reel Test Data; G, AE
SD-10 Operation and Maintenance Data
Telecommunications outside plant (OSP), Data Package 5; G, AE
Commercial off-the-shelf manuals shall be provided for operation,
installation, configuration, and maintenance of products provided
as a part of the telecommunications outside plant (OSP). Submit
operations and maintenance data in accordance with Section 01 78
23, OPERATION AND MAINTENANCE DATA and as specified herein not
later than 2 months prior to the date of beneficial occupancy. In
addition to requirements of Data package 5, include the
requirements of paragraphs TELECOMMUNICATIONS OUTSIDE PLANT SHOP
DRAWINGS and TELECOMMUNICATIONS ENTRANCE FACILITY DRAWINGS.
SD-11 Closeout Submittals
Record Documentation; G, AE
In addition to other requirements, provide in accordance with
paragraph RECORD DOCUMENTATION.
1.6 QUALITY ASSURANCE
1.6.1 Shop Drawings
Include wiring diagrams and installation details of equipment indicating
proposed location, layout and arrangement, control panels, accessories,
piping, ductwork, and other items that must be shown to ensure a coordinated
installation. Wiring diagrams shall identify circuit terminals and indicate
the internal wiring for each item of equipment and the interconnection
between each item of equipment. Drawings shall indicate adequate clearance
for operation, maintenance, and replacement of operating equipment devices.
Submittals shall include the nameplate data, size, and capacity. Submittals
shall also include applicable federal, military, industry, and technical
society publication references.
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1.6.1.1 Telecommunications Outside Plant Shop Drawings
Provide Outside Plant Design in accordance with TIA-758-A, RUS Bull 1751F-
630 for aerial system design, and RUS Bull 1751F-643 for underground system
design. Provide T0 shop drawings that show the physical and logical
connections from the perspective of an entire campus, such as actual
building locations, exterior pathways and campus backbone cabling on plan
view drawings, major system nodes, and related connections on the logical
system drawings in accordance with TIA/EIA-606-A. Drawings shall include
wiring and schematic diagrams for fiber optic and copper cabling and
splices, copper conductor gauge and pair count, fiber pair count and type,
pathway duct and innerduct arrangement, associated construction materials,
and any details required to demonstrate that cable system has been
coordinated and will properly support the switching and transmission system
identified in specification and drawings. Provide Registered Communications
Distribution Designer (RCDD) approved drawings of the telecommunications
outside plant. The telecommunications outside plant (OSP) shop drawings
shall be included in the operation and maintenance manuals.
1.6.1.2 Telecommunications Entrance Facility Drawings
Provide T3 drawings for EF Telecommunications as specified in the paragraph
TELECOMMUNICATIONS SPACE DRAWINGS of Section 27 10 00, BUILDING
TELECOMMUNICATIONS CABLING SYSTEMS. The telecommunications entrance
facility shop drawings shall be included in the operation and maintenance
manuals.
1.6.2 Telecommunications Qualifications
Work under this section shall be performed by and the equipment shall be
provided by the approved telecommunications contractor and key personnel.
Qualifications shall be provided for: the telecommunications system
contractor, the telecommunications system installer, the supervisor (if
different from the installer), and the cable splicing and terminating
personnel. A minimum of 30 days prior to installation, submit documentation
of the experience of the telecommunications contractor and of the key
personnel.
1.6.2.1 Telecommunications Contractor Qualifications
The telecommunications contractor shall be a firm which is regularly and
professionally engaged in the business of the applications, installation,
and testing of the specified telecommunications systems and equipment. The
telecommunications contractor shall demonstrate experience in providing
successful telecommunications systems that include outside plant and
broadband cabling within the past 3 years. Submit documentation for a
minimum of three and a maximum of five successful telecommunication system
installations for the telecommunications contractor. Each of the key
personnel shall demonstrate experience in providing successful
telecommunications systems in accordance with TIA-758-A within the past 3
years.
1.6.2.2 Key Personnel Qualifications
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Provide key personnel who are regularly and professionally engaged in the
business of the application, installation and testing of the specified
telecommunications systems and equipment. There may be one key person or
more key persons proposed for this solicitation depending upon how many of
the key roles each has successfully provided. Each of the key personnel
shall demonstrate experience in providing successful telecommunications
systems within the past 3 years.
Cable splicing and terminating personnel assigned to the installation of
this system or any of its components shall have training in the proper
techniques and have a minimum of 3 years experience in splicing and
terminating the specified cables. Modular splices shall be performed by
factory certified personnel or under direct supervision of factory trained
personnel for products used.
Supervisors and installers assigned to the installation of this system or
any of its components shall have factory or factory approved certification
from each equipment manufacturer indicating that they are qualified to
install and test the provided products.
Submit documentation for a minimum of three and a maximum of five successful
telecommunication system installations for each of the key personnel.
Documentation for each key person shall include at least two successful
system installations provided that are equivalent in system size and in
construction complexity to the telecommunications system proposed for this
solicitation. Include specific experience in installing and testing
telecommunications outside plant systems, including broadband cabling, and
provide the names and locations of at least two project installations
successfully completed using optical fiber and copper telecommunications
cabling systems. All of the existing telecommunications system
installations offered by the key persons as successful experience shall have
been in successful full-time service for at least 18 months prior to the
issuance date for this solicitation. Provide the name and role of the key
person, the title, location, and completed installation date of the
referenced project, the referenced project owner point of contact
information including name, organization, title, and telephone number, and
generally, the referenced project description including system size and
construction complexity.
Indicate that all key persons are currently employed by the
telecommunications contractor, or have a commitment to the
telecommunications contractor to work on this project. All key persons
shall be employed by the telecommunications contractor at the date of
issuance of this solicitation, or if not, have a commitment to the
telecommunications contractor to work on this project by the date that the
bid was due to the Contracting Officer.
Note that only the key personnel approved by the Contracting Officer in the
successful proposal shall do work on this solicitation's telecommunications
system. Key personnel shall function in the same roles in this contract, as
they functioned in the offered successful experience. Any substitutions for
the telecommunications contractor's key personnel requires approval from The
Contracting Officer.
1.6.2.3 Minimum Manufacturer's Qualifications
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Cabling, equipment and hardware manufacturers shall have a minimum of 3
years experience in the manufacturing, assembly, and factory testing of
components which comply with, TIA-568-C.1, TIA/EIA-568-B.2 and TIA-568-C.3.
In addition, cabling manufacturers shall have a minimum of 3 years
experience in the manufacturing and factory testing of cabling which comply
with ICEA S-87-640, ICEA S-98-688, and ICEA S-99-689.
1.6.3 Outside Plant Test Plan
Prepare and provide a complete and detailed test plan for field tests of the
outside plant including a complete list of test equipment for the copper
conductor and optical fiber cables, components, and accessories for approval
by the Contracting Officer. Include a cut-over plan with procedures and
schedules for relocation of facility station numbers without interrupting
service to any active location. Submit the plan at least 30 days prior to
tests for Contracting Officer approval. Provide outside plant testing and
performance measurement criteria in accordance with TIA-568-C.1 and RUS Bull
1753F-201. Include procedures for certification, validation, and testing
that includes fiber optic link performance criteria.
1.6.4 Standard Products
Provide materials and equipment that are standard products of manufacturers
regularly engaged in the production of such products which are of equal
material, design and workmanship and shall be the manufacturer's latest
standard design that has been in satisfactory commercial or industrial use
for at least 2 years prior to bid opening. The 2-year period shall include
applications of equipment and materials under similar circumstances and of
similar size. The product shall have been on sale on the commercial market
through advertisements, manufacturers' catalogs, or brochures during the 2-
year period. Products supplied shall be specifically designed and
manufactured for use with outside plant telecommunications systems. Where
two or more items of the same class of equipment are required, these items
shall be products of a single manufacturer; however, the component parts of
the item need not be the products of the same manufacturer unless stated in
this section.
1.6.4.1 Alternative Qualifications
Products having less than a 2-year field service record will be acceptable
if a certified record of satisfactory field operation for not less than 3000
hours, exclusive of the manufacturers' factory or laboratory tests, is
provided.
1.6.4.2 Material and Equipment Manufacturing Date
Products manufactured more than 3 years prior to date of delivery to site
shall not be used, unless specified otherwise.
1.6.5 Regulatory Requirements
In each of the publications referred to herein, consider the advisory
provisions to be mandatory, as though the word, "shall" had been substituted
for "should" wherever it appears. Interpret references in these
publications to the "authority having jurisdiction," or words of similar
meaning, to mean the Contracting Officer. Equipment, materials,
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installation, and workmanship shall be in accordance with the mandatory and
advisory provisions of NFPA 70 unless more stringent requirements are
specified or indicated.
1.6.5.1 Independent Testing Organization Certificate
In lieu of the label or listing, submit a certificate from an independent
testing organization, competent to perform testing, and approved by the
Contracting Officer. The certificate shall state that the item has been
tested in accordance with the specified organization's test methods and that
the item complies with the specified organization's reference standard.
1.7 DELIVERY, STORAGE, AND HANDLING
Ship cable on reels in 1000 feet length with a minimum overage of 10
percent. Radius of the reel drum shall not be smaller than the minimum bend
radius of the cable. Wind cable on the reel so that unwinding can be done
without kinking the cable. Two meters of cable at both ends of the cable
shall be accessible for testing. Attach permanent label on each reel
showing length, cable identification number, cable size, cable type, and
date of manufacture. Provide water resistant label and the indelible
writing on the labels. Apply end seals to each end of the cables to prevent
moisture from entering the cable. Reels with cable shall be suitable for
outside storage conditions when temperature ranges from minus 40 degrees C
to plus 65 degrees C, with relative humidity from 0 to 100 percent.
Equipment, other than cable, delivered and placed in storage shall be stored
with protection from weather, humidity and temperature variation, dirt and
dust, or other contaminants in accordance with manufacturer's requirements.
1.8 MAINTENANCE
1.8.1 Record Documentation
Provide the activity responsible for telecommunications system maintenance
and administration a single complete and accurate set of record
documentation for the entire telecommunications system with respect to this
project.
Provide record documentation as specified in Section 27 10 00, BUILDING
TELECOMMUNICATIONS CABLING SYSTEM.
1.8.2 Spare Parts
In addition to the requirements of Section 01 78 23 OPERATION AND
MAINTENANCE DATA, provide a complete list of parts and supplies, with
current unit prices and source of supply, and a list of spare parts
recommended for stocking. Spare parts shall be provided no later than the
start of field testing.
1.9 WARRANTY
The equipment items shall be supported by service organizations which are
reasonably convenient to the equipment installation in order to render
satisfactory service to the equipment on a regular and emergency basis
during the warranty period of the contract.
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PART 2 PRODUCTS
2.1 MATERIALS AND EQUIPMENT
Products supplied shall be specifically designed and manufactured for use
with outside plant telecommunications systems.
2.2 TELECOMMUNICATIONS ENTRANCE FACILITY
2.2.1 Building Protector Assemblies
Provide self-contained 5 pin unit supplied with a field cable stub factory
connected to protector socket blocks to terminate and accept protector
modules for 25 pairs of outside cable. Building protector assembly shall
have interconnecting hardware for connection to interior cabling at full
capacity. Provide manufacturers instructions for building protector
assembly installation. Provide copper cable interconnecting hardware as
specified in Section 27 10 00, BUILDING TELECOMMUNICATIONS CABLING SYSTEM.
2.2.2 Protector Modules
Provide in accordance with UL 497 two-electrode gas tube or solid state type
5 pin rated for the application. Provide gas tube protection modules in
accordance with RUS Bull 345-83 and shall be maximum duty, A>20kA, B>1000,
C>200A where A is the maximum single impulse discharge current, B is the
impulse life and C is the AC discharge current in accordance with NEMA
C62.61. The gas modules shall shunt high voltage to ground, fail short, and
be equipped with an external spark gap and heat coils in accordance with UL
497. Provide the number of surge protection modules equal to the number of
pairs of exterior cable of the building protector assembly.
2.2.3 Fiber Optic Terminations
Provide fiber optic cable terminations as specified in Section 27 10 00,
BUILDING TELECOMMUNICATIONS CABLING SYSTEM.
2.3 CLOSURES
2.3.1 Copper Conductor Closures
2.3.1.1 Underground Cable Closures
c. In vault or manhole: Provide underground closure suitable to house
a straight, butt, and branch splice in a protective housing into
which can be poured an encapsulating compound. Closure shall be of
suitable thermoplastic, thermoset, or stainless steel material
supplying structural strength necessary to pass the mechanical and
electrical requirements in a vault or manhole environment.
Encapsulating compound shall be reenterable and shall not alter the
chemical stability of the closure. Provide filled splice cases in
accordance with RUS Bull 345-72.
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2.3.2 Fiber Optic Closures
2.3.2.1 In Vault or Manhole
Provide underground closure suitable to house splice organizer in a
protective housing into which can be poured an encapsulating compound.
Closure shall be of thermoplastic, thermoset, or stainless steel material
supplying structural strength necessary to pass the mechanical and
electrical requirements in a vault or manhole environment. Encapsulating
compound shall be reenterable and shall not alter the chemical stability of
the closure.
2.4 CABLE SPLICES, AND CONNECTORS
2.4.1 Copper Cable Splices
Provide multipair, in-line splices of a moisture resistant, two-wire
insulation displacement connector held rigidly in place to assure maximum
continuity in accordance with RUS Bull 1753F-401. Cables greater than 25
pairs shall be spliced using multipair splicing connectors, which
accommodate 25 pairs of conductors at a time. Provide correct connector
size to accommodate the cable gauge of the supplied cable.
2.4.2 Copper Cable Splice Connector
Provide splice connectors with a polycarbonate body and cap and a tin-plated
brass contact element. Connector shall accommodate 22 to 26 AWG solid wire
with a maximum insulation diameter of 0.065 inch. Fill connector with
sealant grease to make a moisture resistant connection, in accordance with
RUS Bull 1753F-401.
2.4.3 Fiber Optic Cable Splices
Provide fiber optic cable splices and splicing materials for fusion methods
at locations shown on the construction drawings. The splice insertion loss
shall be 0.3 dB maximum when measured in accordance with TIA-455-78 using an
Optical Time Domain Reflectometer (OTDR). Splices shall be designed for a
return loss of 40.0 db max for single mode fiber when tested in accordance
with TIA-455-107A. Physically protect each fiber optic splice by a splice
kit specially designed for the splice.
2.4.4 Fiber Optic Splice Organizer
Provide splice organizer suitable for housing fiber optic splices in a neat
and orderly fashion. Splice organizer shall allow for a minimum of 3 feet
of fiber for each fiber within the cable to be neatly stored without kinks
or twists. Splice organizer shall accommodate individual strain relief for
each splice and allow for future maintenance or modification, without damage
to the cable or splices. Provide splice organizer hardware, such as splice
trays, protective glass shelves, and shield bond connectors in a splice
organizer kit.
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2.4.5 Shield Connectors
Provide connectors with a stable, low-impedance electrical connection
between the cable shield and the bonding conductor in accordance with RUS
Bull 345-65.
2.5 CONDUIT
Provide conduit as specified
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2.6 PLASTIC INSULATING TAPE
UL 510.
2.7 WIRE AND CABLE
2.7.1 Copper Conductor Cable
Solid copper conductors, covered with an extruded solid insulating compound.
Insulated conductors shall be twisted into pairs which are then stranded or
oscillated to form a cylindrical core. For special high frequency
applications, the cable core shall be separated into compartments. Cable
shall be completed by the application of a suitable core wrapping material,
a corrugated copper or plastic coated aluminum shield, and an overall
extruded jacket. Telecommunications contractor shall verify distances
between splice points prior to ordering cable in specific cut lengths.
Gauge of conductor shall determine the range of numbers of pairs specified;
19 gauge (6 to 400 pairs), 22 gauge (6 to 1200 pairs), 24 gauge (6 to 2100
pairs), and 26 gauge (6 to 3000 pairs). Copper conductor shall conform to
the following:
2.7.1.1 Underground
Provide filled cable meeting the requirements of ICEA S-99-689 and RUS
1755.390.
2.7.1.2 Screen
Provide screen-compartmental core cable filled cable meeting the
requirements of ICEA S-99-689 and RUS 1755.390.
2.7.2 Fiber Optic Cable
Provide single-mode, 8/125-um, 0.10 aperture 1310 nm fiber optic cable in
accordance with TIA-492CAAA and multimode 50/125-um, 0.275 aperture fiber
optic cable in accordance with TIA-492AAAB, TIA-472D000-A, and ICEA S-87-640
including any special requirements made necessary by a specialized design.
Provide optical fibers as indicated. Fiber optic cable shall be
specifically designed for outside use with loose buffer construction.
Provide fiber optic color code in accordance with TIA/EIA-598-B
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2.7.2.1 Strength Members
Provide central, metallic strength members with sufficient tensile strength
for installation and residual rated loads to meet the applicable performance
requirements in accordance with ICEA S-87-640. The strength member is
included to serve as a cable core foundation to reduce strain on the fibers,
and shall not serve as a pulling strength member.
2.7.2.2 Shielding or Other Metallic Covering
Provide copper, copper alloy or copper and steel laminate, single tape
covering or shield in accordance with ICEA S-87-640.
2.7.2.3 Performance Requirements
Provide fiber optic cable with optical and mechanical performance
requirements in accordance with ICEA S-87-640.
2.7.3 Grounding and Bonding Conductors
Provide grounding and bonding conductors in accordance with RUS 1755.200,
TIA J-STD-607-A, IEEE C2, and NFPA 70. Solid bare copper wire meeting the
requirements of ASTM B 1 for sizes No. 8 AWG and smaller and stranded bare
copper wire meeting the requirements of ASTM B 8, for sizes No. 6 AWG and
larger. Insulated conductors shall have 600-volt, Type TW insulation
meeting the requirements of UL 83.
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IN MANHOLES, HANDHOLES, AND VAULTS
Provide tags for each telecommunications cable or wire located in manholes,
handholes, and vaults. Cable tags shall be polyethylene and labeled in
accordance with TIA/EIA-606-A. Handwritten labeling is unacceptable.
2.8.1 Polyethylene Cable Tags
Provide tags of polyethylene that have an average tensile strength of 3250
pounds per square inch; and that are 0.08 inch thick (minimum), non-
corrosive non-conductive; resistive to acids, alkalis, organic solvents, and
salt water; and distortion resistant to 170 degrees F. Provide 0.05 inch
(minimum) thick black polyethylene tag holder. Provide a one-piece nylon,
self-locking tie at each end of the cable tag. Ties shall have a minimum
loop tensile strength of 175 pounds. The cable tags shall have black block
letters, numbers, and symbols one inch high on a yellow background.
Letters, numbers, and symbols shall not fall off or change positions
regardless of the cable tags' orientation.
2.9 BURIED WARNING AND IDENTIFICATION TAPE
Provide fiber optic media marking and protection in accordance with TIA-590-
A. Provide color, type and depth of tape as specified in paragraph BURIED
WARNING AND IDENTIFICATION TAPE in Section 31 00 00, EARTHWORK.
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2.10 GROUNDING BRAID
Provide grounding braid that provides low electrical impedance connections
for dependable shield bonding in accordance with RUS 1755.200. Braid shall
be made from flat tin-plated copper.
2.11 MANUFACTURER'S NAMEPLATE
Each item of equipment shall have a nameplate bearing the manufacturer's
name, address, model number, and serial number securely affixed in a
conspicuous place; the nameplate of the distributing agent will not be
acceptable.
2.12 FIELD FABRICATED NAMEPLATES
Provide laminated plastic nameplates in accordance with ASTM D 709 for each
patch panel, protector assembly, rack, cabinet and other equipment or as
indicated on the drawings. Each nameplate inscription shall identify the
function and, when applicable, the position. Nameplates shall be melamine
plastic, 0.125 inch thick, white with black center core. Surface shall be
matte finish. Corners shall be square. Accurately align lettering and
engrave into the core. Minimum size of nameplates shall be one by 2.5
inches. Lettering shall be a minimum of 0.25 inch high normal block style.
2.13 TESTS, INSPECTIONS, AND VERIFICATIONS
2.13.1 Factory Reel Test Data
Test 100 percent OTDR test of FO media at the factory in accordance with
TIA-568-C.1 and TIA-568-C.3. Use TIA-526-7 for single mode fiber and TIA-
526-14-A Method B for multi mode fiber measurements. Calibrate OTDR to show
anomalies of 0.2 dB minimum. Enhanced performance filled OSP copper cables,
referred to as Broadband Outside Plant (BBOSP), shall meet the requirements
of ICEA S-99-689. Enhanced performance air core OSP copper cables shall
meet the requirements of ICEA S-98-688. Submit test reports, including
manufacture date for each cable reel and receive approval before delivery of
cable to the project site.
PART 3 EXECUTION
3.1 INSTALLATION
Install all system components and appurtenances in accordance with
manufacturer's instructions IEEE C2, NFPA 70, and as indicated. Provide all
necessary interconnections, services, and adjustments required for a
complete and operable telecommunications system.
3.1.1 Contractor Damage
Promptly repair indicated utility lines or systems damaged during site
preparation and construction. Damages to lines or systems not indicated,
which are caused by Contractor operations, shall be treated as "Changes"
under the terms of the Contract Clauses. When Contractor is advised in
writing of the location of a nonindicated line or system, such notice shall
provide that portion of the line or system with "indicated" status in
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determining liability for damages. In every event, immediately notify the
Contracting Officer of damage.
3.1.2 Cable Inspection and Repair
Handle cable and wire provided in the construction of this project with
care. Inspect cable reels for cuts, nicks or other damage. Damaged cable
shall be replaced or repaired to the satisfaction of the Contracting
Officer. Reel wraps shall remain intact on the reel until the cable is
ready for placement.
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Provide underground duct and connections to existing manholes, handholes, as
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Section 33 70 02.00 10, ELECTRICAL DISTRIBUTION SYSTEM, UNDERGROUND with any
additional requirements as specified herein.
3.1.4 Reconditioning of Surfaces
Provide reconditioning of surfaces as specified
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Section 33 70 02.00 10, ELECTRICAL DISTRIBUTION SYSTEM, UNDERGROUND.
3.1.5 Penetrations
Caulk and seal cable access penetrations in walls, ceilings and other parts
of the building. Seal openings around electrical penetrations through fire
resistance-rated wall, partitions, floors, or ceilings in accordance with
Section 07 84 00, FIRESTOPPING.
3.1.6 Cable Pulling
Test duct lines with a mandrel and swab out to remove foreign material
before the pulling of cables. Avoid damage to cables in setting up pulling
apparatus or in placing tools or hardware. Do not step on cables when
entering or leaving the manhole. Do not place cables in ducts other than
those shown without prior written approval of the Contracting Officer. Roll
cable reels in the direction indicated by the arrows painted on the reel
flanges. Set up cable reels on the same side of the manhole as the conduit
section in which the cable is to be placed. Level the reel and bring into
proper alignment with the conduit section so that the cable pays off from
the top of the reel in a long smooth bend into the duct without twisting.
Under no circumstances shall the cable be paid off from the bottom of a
reel. Check the equipment set up prior to beginning the cable pulling to
avoid an interruption once pulling has started. Use a cable feeder guide of
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suitable dimensions between cable reel and face of duct to protect cable and
guide cable into the duct as it is paid off the reel. As cable is paid off
the reel, lubricate and inspect cable for sheath defects. When defects are
noticed, stop pulling operations and notify the Contracting Officer to
determine required corrective action. Cable pulling shall also be stopped
when reel binds or does not pay off freely. Rectify cause of binding before
resuming pulling operations. Provide cable lubricants recommended by the
cable manufacturer. Avoid bends in cables of small radii and twists that
might cause damage. Do not bend cable and wire in a radius less than 10
times the outside diameter of the cable or wire.
3.1.6.1 Cable Tensions
Obtain from the cable manufacturer and provide to the Contracting Officer,
the maximum allowable pulling tension. This tension shall not be exceeded.
3.1.6.2 Pulling Eyes
Equip cables 1.25 inches in diameter and larger with cable manufacturer's
factory installed pulling-in eyes. Provide cables with diameter smaller
than 1.25 inches with heat shrinkable type end caps or seals on cable ends
when using cable pulling grips. Rings to prevent grip from slipping shall
not be beaten into the cable sheath. Use a swivel of 3/4 inch links between
pulling-in eyes or grips and pulling strand.
3.1.6.3 Installation of Cables in Manholes, Handholes, and Vaults
Do not install cables utilizing the shortest route, but route along those
walls providing the longest route and the maximum spare cable lengths. Form
cables to closely parallel walls, not to interfere with duct entrances, and
support cables on brackets and cable insulators at a maximum of 4 feet. In
existing manholes, handholes, and vaults where new ducts are to be
terminated, or where new cables are to be installed, modify the existing
installation of cables, cable supports, and grounding as required with
cables arranged and supported as specified for new cables. Identify each
cable with corrosion-resistant embossed metal tags.
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Splicing
3.1.7.1 Copper Conductor Splices
Perform splicing in accordance with requirements of RUS Bull 1753F-401
except that direct buried splices and twisted and soldered splices are not
allowed. Exception does not apply for pairs assigned for carrier
application.
3.1.7.2 Fiber Optic Splices
Fiber optic splicing shall be in accordance with manufacturer's
recommendation and shall exhibit an insertion loss not greater than 0.2 dB
for fusion splices.
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3.1.8 Surge Protection
All cables and conductors, except fiber optic cable, which serve as
communication lines through off-premise lines, shall have surge protection
installed at each end which meet the requirements of RUS Bull 1751F-815.
3.1.9 Grounding
Provide grounding and bonding in accordance with RUS 1755.200, TIA J-STD-
607-A, IEEE C2, and NFPA 70. Ground exposed noncurrent carrying metallic
parts of telephone equipment, cable sheaths, cable splices, and terminals.
3.1.9.1 Telecommunications Master Ground Bar (TMGB)
The TMGB is the hub of the basic telecommunications grounding system
providing a common point of connection for ground from outside cable, CD,
and equipment. Establish a TMGB for connection point for cable stub shields
to connector blocks and CD protector assemblies as specified in Section 26
20 00 INTERIOR DISTRIBUTION SYSTEMS.
3.1.9.2 Incoming Cable Shields
Shields shall not be bonded across the splice to the cable stubs. Ground
shields of incoming cables in the EF Telecommunications to the TMGB.
3.1.9.3 Campus Distributor Grounding
a. Protection assemblies: Mount CD protector assemblies directly on
the telecommunications backboard. Connect assemblies mounted on
each vertical frame with No. 6 AWG copper conductor to provide a
low resistance path to TMGB.
3.2 LABELING
3.2.1 Labels
Provide labeling for new cabling and termination hardware located within the
facility in accordance with TIA/EIA-606-A. Handwritten labeling is
unacceptable. Stenciled lettering for cable and termination hardware shall
be provided using laser printer.
3.2.2 Cable Tag Installation
Install cable tags for each telecommunications cable or wire located in
manholes, handholes, and vaults including each splice. The labeling of
telecommunications cable tag identifiers shall be in accordance with
TIA/EIA-606-A. Tag legend shall be as indicated. Do not provide
handwritten letters. Install cable tags so that they are clearly visible
without disturbing any cabling or wiring in the manholes, handholes, and
vaults.
3.2.3 Termination Hardware
Label patch panels, distribution panels, connector blocks and protection
modules using color coded labels with identifiers in accordance with
TIA/EIA-606-A.
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3.3 FIELD APPLIED PAINTING
Provide ferrous metallic enclosure finishes in accordance with the following
procedures. Ensure that surfaces are dry and clean when the coating is
applied. Coat joints and crevices. Prior to assembly, paint surfaces which
will be concealed or inaccessible after assembly. Apply primer and finish
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3.3.1 Cleaning
Clean surfaces in accordance with SSPC SP 6.
3.3.2 Priming
Prime with a two component polyamide epoxy primer which has a bisphenol-A
base, a minimum of 60 percent solids by volume, and an ability to build up a
minimum dry film thickness on a vertical surface of 5.0 mils. Apply in two
coats to a total dry film thickness of 5 to 8 mils.
3.3.3 Finish Coat
Finish with a two component urethane consisting of saturated polyester
polyol resin mixed with aliphatic isocyanate which has a minimum of 50
percent solids by volume. Apply to a minimum dry film thickness of 2 to 3
mils. Color shall be the manufacturer's standard.
3.4 FIELD FABRICATED NAMEPLATE MOUNTING
Provide number, location, and letter designation of nameplates as indicated.
Fasten nameplates to the device with a minimum of two sheet-metal screws or
two rivets.
3.5 FIELD QUALITY CONTROL
Provide the Contracting Officer 10 working days notice prior to each test.
Provide labor, equipment, and incidentals required for testing. Correct
defective material and workmanship disclosed as the results of the tests.
Furnish a signed copy of the test results to the Contracting Officer within
3 working days after the tests for each segment of construction are
completed. Perform testing as construction progresses and do not wait until
all construction is complete before starting field tests.
3.5.1 Pre-Installation Tests
Perform the following tests on cable at the job site before it is removed
from the cable reel. For cables with factory installed pulling eyes, these
tests shall be performed at the factory and certified test results shall
accompany the cable.
3.5.1.1 Cable Capacitance
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Perform capacitance tests on at least 10 percent of the pairs within a cable
to determine if cable capacitance is within the limits specified.
3.5.1.2 Loop Resistance
Perform DC-loop resistance on at least 10 percent of the pairs within a
cable to determine if DC-loop resistance is within the manufacturer's
calculated resistance.
3.5.1.3 Pre-Installation Test Results
Provide results of pre-installation tests to the Contracting Officer at
least 5 working days before installation is to start. Results shall
indicate reel number of the cable, manufacturer, size of cable, pairs
tested, and recorded readings. When pre-installation tests indicate that
cable does not meet specifications, remove cable from the job site.
3.5.2 Acceptance Tests
Perform acceptance testing in accordance with RUS Bull 1753F-201 and as
further specified in this section. Provide personnel, equipment,
instrumentation, and supplies necessary to perform required testing.
Notification of any planned testing shall be given to the Contracting
Officer at least 14 days prior to any test unless specified otherwise.
Testing shall not proceed until after the Contractor has received written
Contracting Officer's approval of the test plans as specified. Test plans
shall define the tests required to ensure that the system meets technical,
operational, and performance specifications. The test plans shall define
milestones for the tests, equipment, personnel, facilities, and supplies
required. The test plans shall identify the capabilities and functions to
be tested. Provide test reports in booklet form showing all field tests
performed, upon completion and testing of the installed system.
Measurements shall be tabulated on a pair by pair or strand by strand basis.
3.5.2.1 Copper Conductor Cable
Perform the following acceptance tests in accordance with TIA-758-A:
a. Wire map (pin to pin continuity)
b. Continuity to remote end
c. Crossed pairs
d. Reversed pairs
e. Split pairs
f. Shorts between two or more conductors
3.5.2.2 Fiber Optic Cable
Test fiber optic cable in accordance with TIA/EIA-455-B and as further
specified in this section. Two optical tests shall be performed on all
optical fibers: Optical Time Domain Reflectometry (OTDR) Test, and
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Attenuation Test. In addition, a Bandwidth Test shall be performed on all
multimode optical fibers. These tests shall be performed on the completed
end-to-end spans which include the near-end pre-connectorized single fiber
cable assembly, outside plant as specified, and the far-end pre-
connectorized single fiber cable assembly.
a. OTDR Test: The OTDR test shall be used to determine the adequacy of the
cable installations by showing any irregularities, such as discontinuities,
micro-bendings or improper splices for the cable span under test. Hard copy
fiber signature records shall be obtained from the OTDR for each fiber in
each span and shall be included in the test results. The OTDR test shall be
measured in both directions. A reference length of fiber, 66 feet minimum,
used as the delay line shall be placed before the new end connector and after
the far end patch panel connectors for inspection of connector signature.
Conduct OTDR test and provide calculation or interpretation of results in
accordance with TIA-526-7 for single-mode fiber and TIA-526-14-A for
multimode fiber. Splice losses shall not exceed 0.3 db.
b. Attenuation Test: End-to-end attenuation measurements shall be made on all
fibers, in both directions, using a 1310 nanometer light source at one end
and the optical power meter on the other end to verify that the cable system
attenuation requirements are met in accordance with TIA-455-46A for multimode
and TIA-526-7 for single-mode fiber optic cables. The measurement method
shall be in accordance with TIA-455-78. Attenuation losses shall not exceed
0.5 db/km at 1310 nm and 1550 nm for single-mode fiber. Attenuation losses
shall not exceed 5.0 db/km at 850 nm and 1.5 db/km at 1300 nm for multimode
fiber.
c. Bandwidth Test: The end-to-end bandwidth of all multimode fiber span links
shall be measured by the frequency domain method. The bandwidth shall be
measured in both directions on all fibers. The bandwidth measurements shall
be in accordance with TIA TIA/EIA-455-204.
3.5.3 Soil Density Tests
a. Determine soil-density relationships for compaction of backfill
material in accordance with ASTM D 1557, Method D.
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