114419_FY21 Chi Lock Power Distribution Upgrade_AMD 0002_SPECS(27-Aug-21).pdf
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- W912P621B0015 CHICAGO HARBOR LOCK POWER DISTRIBUTION UPGRADE, CHICAGO HARBOR, CHICAGO, IL
- Solicitation number
- W912P621B0015
About this file
This solicitation is for a construction project to upgrade the power distribution system at the Chicago Harbor Lock in Chicago, Illinois. The project includes removing an existing 300kVA standby generator and replacing it with a new 300kVA standby generator along with associated new conductors and conduits. The scope also includes replacing incompatible conduits and all associated conductors. Competition for this acquisition is restricted to small business concerns with a North American Industry Classification System code of 237130 and a small business size standard of $39.5 million. The estimated value of construction costs is between $250,000 and $500,000. The solicitation is issued by the Department of the Army Corps of Engineers Engineering District Chicago.
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Chicago Harbor Lock Power Distribution Updgrade W912P621B0015
SECTION TABLE OF CONTENTS
DIVISION 01 - GENERAL REQUIREMENTS
SECTION 01 22 00.00 10
PRICE AND PAYMENT PROCEDURES
08/15
PART 1 GENERAL
1.1 SINGLE JOB PAYMENT ITEMS
1.1.1 ATS REPLACEMENT AND WIRING(0001)
1.1.1.1 PAYMENT
1.1.1.2 UNIT OF MEASURE
1.1.2 ATS REMOVAL AND DISPOSAL(0002)
1.1.2.1 PAYMENT
1.1.2.2 UNIT OF MEASURE
1.1.3 GENSET REPLACEMENT AND WIRING (Bid Item 0003)
1.1.3.1 Payment
1.1.3.2 Unit of Measure
1.1.4 GENSET REMOVAL AND DISPOSAL (Bid Item 0004)
1.1.4.1 Payment
1.1.4.2 Unit of Measure
1.1.5 PERFORMANCE & PAYMENT BOND (NON OPTIONS(Bid Item 0005)
1.1.5.1 Payment
1.1.5.2 Unit of Measure
1.1.6 INCOMPATIBLE CONDUIT AND WIRING REPLACEMENT (OPTION) (Bid Item
0006)
1.1.6.1 Payment
1.1.6.2 Unit of Measure
1.1.7 CONCRETE PAD INSTALLATION (OPTION)(Bid Item 0007)
1.1.7.1 Payment
1.1.7.2 Unit of Measure
1.1.8 Performance and Payment Bonds (Options)(Bid Item 0008)
1.1.8.1 Payment
1.1.8.2 Unit of Measure
PART 2 PRODUCTS (NOT USED)
PART 3 EXECUTION
3.1 CONTRACT COST BREAKDOWN
-- End of Section Table of Contents --
SECTION 01 22 00.00 10 Page 1
AMD#0002 - 08/27/21
SECTION 01 22 00.00 10
PRICE AND PAYMENT PROCEDURES
08/15
PART 1 GENERAL
1.1 SINGLE JOB PAYMENT ITEMS
Payment items for the work of this contract for which contract job payments will be made are listed in the BIDDING PROPOSAL SCHEDULE and described below. All costs for items of work, which are not specifically mentioned to be included in a particular job or unit price payment item, are included in the listed job item most closely associated with the work involved. The job price and payment made for each item listed constitutes full compensation for furnishing all plant, labor, materials, and equipment, and performing any associated Contractor quality control, environmental protection, meeting safety requirements, tests and reports, and for performing all work required for which separate payment is not otherwise provided.
1.1.1 ATS REPLACEMENT AND WIRING(0001)
1.1.1.1 PAYMENT
Payment will be made for costs associated with the replacement and cabling, wiring, conduits, and all electrical components needed to accompany the installation of the new 1600A ATS. All electrical components needed to support the standby genset will be installed at the location shown on the drawings, and in accordance with Section 26 28 21.00 40 AUTOMATIC TRANSFER SWITCHES. All work, materials,and labor required to install cables, conduits etc shall be incidental to this bid item. Payment constitutes full compensation for all plant, labor, materials, equipment, tools, and incidentals necessary to complete the work.
1.1.1.2 UNIT OF MEASURE
Unit of Measure: JOB
1.1.2 ATS REMOVAL AND DISPOSAL(0002)
1.1.2.1 PAYMENT
Payment will be made for costs associated with removing the existing 800A ATS along with all necessary components needed to accompany the removal of all associated conduits, and cables. All work, materials,and labor required to install cables, conduits disconnect cabinet, etc., shall be incidental to this bid item. All work shall be in accordance with Section 02 41 00 DEMOLITION. Payment constitutes full compensation for all plant, labor, materials, equipment, tools, and incidentals necessary to complete the work.
1.1.2.2 UNIT OF MEASURE
Unit of Measure: JOB
SECTION 01 22 00.00 10 Page 2
1.1.3 GENSET REPLACEMENT AND WIRING (Bid Item 0003)
1.1.3.1 Payment
Payment will be made for costs associated with the replacement and cabling, wiring, conduits, and all electrical components needed to accompany the installation of the new 375 kVA @ 0.8 p.f. standby genset.
All electrical components needed to support the standby genset will be installed at the location shown on the drawings, and in accordance with Section 26 32 15.00 ENGINE-GENERATOR SET STATIONARY 15-2500 KW, WITH AUXILIARIES. All work, materials, and labor required to install cables, conduits, etc., shall be incidental to this bid item. Payment constitutes full compensation for all plant, labor, materials, equipment, tools, and incidentals necessary to complete the work.
1.1.3.2 Unit of Measure
Unit of Measure: JOB
1.1.4 GENSET REMOVAL AND DISPOSAL (Bid Item 0004)
1.1.4.1 Payment
Payment will be made for costs associated with removing the existing 150kw genset along with all of the additional components needed to accompany the removal of all associated conduits, and cables. All work, materials, and labor required to install cables, conduits disconnect cabinet, etc., shall be incidental to this bid item. All work shall be in accordance with Section 02 41 00 DEMOLITION Payment constitutes full compensation for all plant, labor, materials, equipment, tools, and incidentals necessary to complete the work.
1.1.4.2 Unit of Measure
Unit of Measure: JOB
1.1.5 PERFORMANCE & PAYMENT BOND (NON OPTIONS(Bid Item 000 53)
1.1.5.1 Payment
Payment will be made for the performance and payment bonds that are required as part of this contract. This item is for bond coverage, which is applicable to line items 0001,0002, 0003 and 0004.
1.1.5.2 Unit of Measure
Unit of Measure: LOT
1.1.6 GENSET REMOVAL AND DISPOSAL (OPTION) (Bid Item 0004)
1.1.6.1 Payment
Payment will be made for costs associated with removing the existing 150kw genset along with all of the additional components needed to accompany the removal of all associated conduits, and cables. All work, materials, and labor required to install cables, conduits disconnect cabinet, etc., shall be incidental to this bid item. All work shall be in accordance with Section 02 41 00 DEMOLITION Payment constitutes full compensation for all
SECTION 01 22 00.00 10 Page 3 plant, labor, materials, equipment, tools, and incidentals necessary to complete the work.
1.1.6.2 Unit of Measure
Unit of Measure: JOB
1.1.7 GENSET REPLACEMENT AND WIRING (OPTION) (Bid Item 0005)
1.1.7.1 Payment
Payment will be made for costs associated with the replacement and cabling, wiring, conduits, and all electrical components needed to accompany the installation of the new 375 kVA @ 0.8 p.f. standby genset.
All electrical components needed to support the standby genset will be installed at the location shown on the drawings, and in accordance with Section 26 32 15.00 ENGINE-GENERATOR SET STATIONARY 15-2500 KW, WITH AUXILIARIES. All work, materials, and labor required to install cables, conduits, etc., shall be incidental to this bid item. Payment constitutes full compensation for all plant, labor, materials, equipment, tools, and incidentals necessary to complete the work.
1.1.7.2 Unit of Measure
Unit of Measure: JOB
1.1.6 INCOMPATIBLE CONDUIT AND WIRING REPLACEMENT
(OPTION) (Bid Item 0006)
1.1.6.1 Payment
Payment will be made for costs associated with removing all electrical components needed to accompany the removal and replacement of all incompatible conduits and associated cables. All electrical components needed to support the removal and installation of these conduits and cables will be installed at the location shown on the drawings, and in accordance with Section 26 05 19.10.10 INSULATED WIRE AND CABLE. All work, materials, and labor required to install and replace these cables, etc., shall be incidental to this bid item. Payment constitutes full compensation for all plant, labor, materials, equipment, tools, and incidentals necessary to complete the work.
1.1.6.2 Unit of Measure
Unit of Measure: JOB
1.1.7 CONCRETE PAD INSTALLATION (OPTION)(Bid Item 0007)
1.1.7.1 Payment
Payment will be made for cost associated with the installation of the transformer's concrete pad, the disconnect switches concrete pad, and concrete sidewalks along with all earthwork required at the locations shown on the drawings and in accordance to Section 03 30 53 MISCELLANEOUS CAST-IN-PLACE CONCRETE and Section 31 00 00 EARTHWORK. Payment constitutes full compensation for all earthwork, excavation, labor, materials, equipment, tools, and incidentals necessary to complete the work.
SECTION 01 22 00.00 10 Page 4
1.1.7.2 Unit of Measure
Unit of Measure: JOB
1.1.8 Performance and Payment Bonds (Options)(Bid Item 0008)
1.1.8.1 Payment
Payment will be made for the performance and payment bonds that are required as part of this contract, in reference to (a) of FAR 52.232-5.
This item is for bond coverage, which is applicable to line items 000 61, 00072, 000 5,and 0006 .
1.1.8.2 Unit of Measure
Unit of Measure: LOT
PART 2 PRODUCTS (NOT USED)
PART 3 EXECUTION
3.1 CONTRACT COST BREAKDOWN
The Contractor must furnish within 30 calendar days after the date of Notice to Proceed, and prior to the submission of its first partial payment estimate, a breakdown of its single job pay item or items which will be reviewed by the Contracting Officer as to propriety of distribution of the total cost to the various accounts. Any unbalanced items as between early and late payment items or other discrepancies will be revised by the Contracting Officer to agree with a reasonable cost of the work included in the various items. This contract cost breakdown will then be utilized as the basis for progress payments to the Contractor.
-- End of Section --
SECTION 01 22 00.00 10 Page 5
DIVISION 26 - ELECTRICAL
SECTION 26 05 00.00 40
COMMON WORK RESULTS FOR ELECTRICAL
11/20
PART 1 GENERAL
1.1 REFERENCES
1.2 DEFINITIONS
1.3 SUBMITTALS
1.4 QUALITY CONTROL
1.4.1 Regulatory Requirements
1.4.2 Standard Products
PART 2 PRODUCTS
2.1 EQUIPMENT
2.1.1 Conduits and Raceways
2.1.1.1 RMC Coated PVC
2.1.1.2 Schedule 40 PVC
2.2 MATERIALS
2.2.1 Wire And Cable
2.2.1.1 Insulation
2.2.2 Device Plates
2.2.3 Manufacturer's Nameplate
2.2.4 Warning Signs
2.2.5 Surge Protective Devices
PART 3 EXECUTION
3.1 PREPARATION
3.2 INSTALLATION
3.2.1 Service Entrance Identification
3.2.2 Wiring Methods
3.2.2.1 Pull Wire
3.2.3 Conduits, Raceways and Fittings
3.2.3.1 Rigid Steel Conduit
3.2.3.2 Rigid Nonmetallic Conduit
3.2.3.3 Conduit for Circuits Rated Greater Than 600 Volts
3.2.3.4 Stub Ups
3.2.3.5 Conduit Support
3.2.3.6 Directional Changes in Conduit Runs
3.2.4 Wiring
3.2.5 Splices and Connectors
3.2.6 Conductor Identification
3.2.6.1 Marking Strips
3.2.7 Surge Protective Devices
3.2.8 Field Fabricated Nameplates
3.2.9 Identification Plates and Warnings
3.3 FIELD FABRICATED NAMEPLATE MOUNTING
3.4 WARNING SIGN MOUNTING
SECTION 26 05 00.00 40 Page 1
3.5 FIELD QUALITY CONTROL
-- End of Section Table of Contents --
SECTION 26 05 00.00 40 Page 2
SECTION 26 05 00.00 40
COMMON WORK RESULTS FOR ELECTRICAL
11/20
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.
AMERICAN SOCIETY OF CIVIL ENGINEERS (ASCE)
ASCE 7-16 (2017; Errata 2018; Supp 1 2018) Minimum Design Loads and Associated Criteria for Buildings and Other Structures
ASTM INTERNATIONAL (ASTM)
ASTM D709 (2017) Standard Specification for Laminated Thermosetting Materials
ASTM D1784 (2020) Standard Specification for Rigid Poly(Vinyl Chloride) (PVC) Compounds and Chlorinated Poly(Vinyl Chloride) (CPVC) Compounds
INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS (IEEE)
IEEE C2 (2017; Errata 1-2 2017; INT 1 2017) National Electrical Safety Code
IEEE C57.12.28 (2014) Standard for Pad-Mounted Equipment
- Enclosure Integrity
IEEE Stds Dictionary (2009) IEEE Standards Dictionary: Glossary of Terms & Definitions
NSF INTERNATIONAL (NSF)
NSF/ANSI 61 (2020) Drinking Water System Components - Health Effects
NATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION (NEMA)
NEMA 250 (2018) Enclosures for Electrical Equipment (1000 Volts Maximum)
NEMA ICS 1 (2000; R 2015) Standard for Industrial Control and Systems: General Requirements
NEMA ICS 6 (1993; R 2016) Industrial Control and Systems: Enclosures
SECTION 26 05 00.00 40 Page 3
NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)
NFPA 70 (2020; ERTA 20-1 2020; ERTA 20-2 2020; TIA
20-1; TIA 20-2; TIA 20-3; TIA 20-4)
National Electrical Code
NFPA 70E (2021) Standard for Electrical Safety in the Workplace
UNDERWRITERS LABORATORIES (UL)
UL 44 (2018) UL Standard for Safety Thermoset-Insulated Wires and Cables
UL 83 (2017; Reprint Mar 2020) UL Standard for Safety Thermoplastic-Insulated Wires and Cables
UL 486A-486B (2018) UL Standard for Safety Wire Connectors
UL 486C (2019) UL Standard for Safety Splicing Wire Connectors
UL 514A (2013; Reprint Aug 2017) UL Standard for Safety Metallic Outlet Boxes
UL 514C (2014; Reprint Feb 2020) UL Standard for Safety Nonmetallic Outlet Boxes, Flush-Device Boxes, and Covers
UL 1449 (2014; Reprint Jul 2017) UL Standard for Safety Surge Protective Devices
1.2 DEFINITIONS
a. Unless otherwise specified or indicated, electrical and electronics terms used in these specifications, and on the drawings, are as defined in IEEE Stds Dictionary .
b. The technical sections referred to herein are those specification sections that describe products, installation procedures, and equipment operations and that refer to this section for detailed description of submittal types.
c. Vertical assembly: A vertical assembly is a pole, tower or other such support, mounting hardware, arms, brackets and the load. Load can be a luminaire, siren, loudspeaker or other device. All components of a vertical assembly will be rated by the manufacturer to withstand 100 mph wind loading in accordance with ASCE 7-16 .
1.3 SUBMITTALS
Government approval is required for submittals with a "G" or "S" classification. Submittals not having a "G" or "S" classification are for information only. When used, a code following the "G" classification identifies the office that will review the submittal for the Government.
When the 'G' code classification is used a classification will have to be used to identify the office that will review the submittal for the
SECTION 26 05 00.00 40 Page 4
Government. If "DT" is used then the submittal will be reviewed by the "Design Team" Submit the following in accordance with Section 01 33 00
SUBMITTAL PROCEDURES:
SD-02 Shop Drawings ; G, DT
Marking Strips ; G, DT
SD-03 Product Data
Conduits and Raceways ; G, DT
Splices and Connectors ; G, DT
Switches ; G, DT
Device Plates ; G, DT
Wire And Cable ; G, DT
Continuity Test ; G, DT
Phase-Rotation Tests ; G, DT
Insulation Resistance Test ; G, DT
600-Volt Wiring Test ; G, DT
Insulation-Resistance Test ; G, DT
Test Reports ; G, DT
SD-08 Manufacturer's Instructions
Manufacturer's Instructions
1.4 QUALITY CONTROL
1.4.1 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. Ensure equipment, materials, installation, and workmanship are in accordance with the mandatory and advisory provisions of NFPA 70 , IEEE C2 unless more stringent requirements are specified or indicated.
1.4.2 Standard Products
Provide materials and equipment that are products of manufacturers regularly engaged in the production of such products which are of equal material, design and workmanship. Provide products which have been in satisfactory commercial or industrial use for 2 years prior to bid opening. Ensure the 2-year period includes applications of equipment and materials under similar circumstances and of similar size. Ensure the product has been on sale on the commercial market through advertisements, manufacturers' catalogs, or brochures during the 2-year period. Where two
SECTION 26 05 00.00 40 Page 5 or more items of the same class of equipment are required, these items must be products of a single manufacturer.
PART 2 PRODUCTS
2.1 EQUIPMENT
Provide the standard cataloged materials and equipment of manufacturers regularly engaged in the manufacture of the products. For material, equipment, and fixture lists submittals, show manufacturer's style or catalog numbers, specification and drawing reference numbers, warranty information, and fabrication site.
Provide factory-applied finish on electrical equipment in accordance with the following:
a. NEMA 250 corrosion-resistance test and the additional requirements as specified herein.
b.Interior and exterior steel surfaces of equipment enclosures:
thoroughly cleaned followed by a rust-inhibitive phosphatizing or equivalent treatment prior to painting.
c.Exterior surfaces: free from holes, seams, dents, weld marks, loose scale or other imperfections.
d.Interior surfaces: receive not less than one coat of corrosion-resisting paint in accordance with the manufacturer's standard practice.
e.Exterior surfaces: primed, filled where necessary, and given not less than two coats baked enamel with semigloss finish.
f.Provide manufacturer's coatings for touch-up work and as specified in paragraph FIELD APPLIED PAINTING.
2.1.1 Conduits and Raceways
2.1.1.1 RMC Coated PVC
Provide PVC coated galvanized rigid conduit with urethane interior coating protects conductors from mechanical damage and corrosive attack.
Electrical continuity is maintained across assembled joints. Adheres to ASTM D1784 and is NSF/ANSI 61 approved for potable water service.
2.1.1.2 Schedule 40 PVC
Provide PVC Schedule 40 pipe as applicable. Schedule 40 PVC pipe adheres to ASTM D1784 and is NSF/ANSI 61 approved for potable water service.
2.2 MATERIALS
2.2.1 Wire And Cable
Provide wires and cables in accordance applicable requirements of NFPA 70 and UL for type of insulation, jacket, and conductor specified or indicated. Do not use wires and cables manufactured more than 12 months
SECTION 26 05 00.00 40 Page 6 prior to date of delivery to site.
Provide minimum conductor size in accordance with the following:
a. Branch circuits: No. 12 AWG.
b. Class 1 remote-control and signal circuits: No. 14 AWG.
c. Class 2 low-energy, remote-control and signal circuits: No. 16 AWG.
d. Class 3 low-energy, remote-control, alarm and signal circuits: No. 22
AWG.
Ensure connectors used in wire systems comply with UL 486A-486B and UL 486C as applicable.
Ensure conductors installed in plenums are marked plenum rated.
2.2.1.1 Insulation
Unless specified or indicated otherwise or required by NFPA 70 , provide power and lighting wires rated for 600-volts, Type XHHWXLP or RHW conforming to UL 44 , except that grounding wire may be type TW conforming to UL 83 ; remote-control and signal circuits: Type TW or TF, conforming to UL 83 . Where lighting fixtures require 90-degree Centigrade (C) conductors, provide only conductors with 90-degree C insulation or better.
2.2.2 Device Plates
Provide the following:
a. UL listed, one-piece device plates for outlets to suit the devices installed.
b. For metal outlet boxes, plates on unfinished walls: zinc-coated sheet steel or cast metal having round or beveled edges.
c. For nonmetallic boxes and fittings, other suitable plates may be provided.
d. Plates on finished walls: nylon or lexan, minimum 0.03 inch wall thickness and same color as receptacle or toggle switch with which they are mounted.
e. Plates on finished walls: satin finish stainless steel or brushed-finish aluminum, minimum 0.03 inch thick.
f. Screws: machine-type with countersunk heads in color to match finish of plate.
g. Sectional type device plates are not be permitted.
h. Plates installed in wet locations: gasketed and UL listed for "wet locations."
i. Device plates in areas normally accessible to prisoners: brown or ivory finish nylon-device plates rated for high abuse. Test device plates for compliance with UL 514A and UL 514C for physical strength.
Attach device plates with spanner head bolts.
SECTION 26 05 00.00 40 Page 7
2.2.3 Manufacturer's Nameplate
Ensure each item of equipment has 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 is not acceptable.
2.2.4 Warning Signs
Provide warning signs for the enclosures of electrical equipment including substations, pad-mounted transformers, pad-mounted switches , generators, and switchgear having a nominal rating exceeding 600 volts.
a. Enclosure integrity to conform with IEEE C57.12.28 IEEE C57.12.29 , such as for pad-mounted transformers and pad-mounted SF6 switches. Provide self-adhesive warning signs on the outside of the high voltage compartment door(s). Provide decal signs with nominal dimensions of 7 by 10 inches . Print the legend "DANGER HIGH VOLTAGE" in two lines of nominal 2 inch high letters. Show the word "DANGER" in white letters on a red background and the words "HIGH VOLTAGE" in black letters on a white background. Use decal No. PPSO710D72 or approved equal.
b. When such equipment is guarded by a fence, mount signs on the fence.
Provide metal signs having nominal dimensions of 14 by 10 inches with the legend "DANGER HIGH VOLTAGE KEEP OUT" printed in three lines of nominal 3-inch high white letters on a red and black field.
2.2.5 Surge Protective Devices
Provide parallel type surge protective devices (SPD) which comply with UL 1449 at the service entrance, load centers, panelboards, MCC . Provide surge protectors in a NEMA1 enclosure per NEMA ICS 6 . Use Type 1 or Type 2 SPD and connect on the load side of a dedicated circuit breaker.
Provide the following modes of protection:
FOR SINGLE PHASE AND THREE PHASE WYE CONNECTED SYSTEMS-
Phase to phase ( L-L ) Each phase to neutral ( L-N ) Neutral to ground ( N-G ) Phase to ground ( L-G )
SPDs at the service entrance: provide with a minimum surge current rating of 80,000 amperes for L-L mode minimum and 40,000 amperes for other modes (L-N, L-G, and N-G) and downstream SPDs rated 40,000 amperes for L-L mode minimum and 20,000 amperes for other modes (L-N, L-G, and N-G).
PART 3 EXECUTION
3.1 PREPARATION
Submit manufacturer's instructions including special provisions required to install equipment components and system packages. Special provisions include impedances, hazards and safety precautions.
Protect metallic materials against corrosion. Provide equipment enclosures with the standard finish by the manufacturer when used for most indoor installations. Do not use aluminum when in contact with earth or
SECTION 26 05 00.00 40 Page 8 concrete and, where connected to dissimilar metal, protect by using approved fittings and treatment. Except where other equivalent protective treatment is specifically approved in writing, provide hot-dip galvanized ferrous metals for items such as the service disconnect support structure,, anchors, bolts, braces, boxes, bodies, clamps, fittings, guards, nuts, pins, rods, shims, thimbles, washers, and miscellaneous items not made of corrosion-resistant steel.
3.2 INSTALLATION
3.2.1 Service Entrance Identification
Service entrance disconnect devices, switches, and enclosures: labeled and identified as such.
3.2.2 Wiring Methods
Provide insulated conductors installed in rigid steel conduit, rigid nonmetallic conduit, or EMT, except where specifically indicated or specified otherwise or required by NFPA 70 to be installed otherwise.
Grounding conductor: separate from electrical system neutral conductor.
Provide insulated green equipment grounding conductor for circuit(s) installed in conduit and raceways.
3.2.2.1 Pull Wire
Install pull wires in empty conduits. Pull wire: plastic having minimum 200-pound force tensile strength. Leave minimum 36 inches of slack at each end of pull wire.
3.2.3 Conduits, Raceways and Fittings
Ensure that conduit runs between outlet and outlet, between fitting and fitting, or between outlet and fitting does not contain more than the equivalent of three 90-degree bends, including those bends located immediately at the outlet or fitting.
Do not install crushed or deformed conduit. Avoid trapped conduit runs where possible. Take care to prevent the lodgment of foreign material in the conduit, boxes, fittings, and equipment during the course of construction. Clear any clogged conduit of obstructions or replace conduit.
Conduit and raceway runs concealed in or behind walls, above ceilings, or exposed on walls and ceilings 5 feet or more above finished floors and not subject to mechanical damage may be electrical metallic tubing (EMT).
Unless indicated otherwise, conceal conduit under floor slabs and within finished walls, ceilings, and floors. Keep conduit minimum 6 inches away from parallel runs of flues and steam or hot water pipes. Install conduit parallel with or at right angles to ceilings, walls, and structural members where located above accessible ceilings and where conduit will be visible after completion of project.
3.2.3.1 Rigid Steel Conduit
Make field-made bends and offsets with approved Hickey bending tool or conduit bending machine. Use long radius conduit for elbows larger than 2-1/2 inches .
SECTION 26 05 00.00 40 Page 9
Provide a flush coupling for all conduit stubbed-up through concrete floors for connections to free-standing equipment with the exception of motor-control centers, cubicles, and other such items of equipment, when the floor slab is of sufficient thickness. Otherwise, provide a floor box set flush with the finished floor. For conduits installed for future use, terminate with a coupling and plug; set flush with the floor.
3.2.3.2 Rigid Nonmetallic Conduit
Install a green insulated copper grounding conductor in conduit with conductors and solidly connect to ground at each end. Size grounding wires in accordance with NFPA 70 .
3.2.3.3 Conduit for Circuits Rated Greater Than 600 Volts
Rigid metal conduit or IMC only.
3.2.3.4 Stub Ups
Provide conduits stubbed up through concrete floor for connection to free-standing equipment with adjustable top or coupling threaded inside for plugs, set flush with finished floor. Extend conductors to equipment in rigid steel conduit, except that flexible metal conduit may be used 6 inches above floor. Where no equipment connections are made, install screwdriver-operated threaded flush plugs in conduit end.
3.2.3.5 Conduit Support
Support conduit by pipe straps, wall brackets, threaded rod conduit hangers, or ceiling trapeze. Fasten by wood screws to wood; by toggle bolts on hollow masonry units; by concrete inserts or expansion bolts on concrete or brick; and by machine screws, welded threaded studs, or spring-tension clamps on steel work. Threaded C-clamps may be used on rigid steel conduit only. Do not weld conduits or pipe straps to steel structures. Do not exceed one-fourth proof test load for load applied to fasteners. Provide vibration resistant and shock-resistant fasteners attached to concrete ceiling. Do not cut main reinforcing bars for any holes cut to depth of more than 1 1/2 inches in reinforced concrete beams or to depth of more than 3/4 inch in concrete joints. Fill unused holes.
In partitions of light steel construction, use sheet metal screws. In suspended-ceiling construction, run conduit above ceiling. Do not support conduit by ceiling support system. Conduit and box systems: supported independently of both (a) tie wires supporting ceiling grid system, and
(b) ceiling grid system into which ceiling panels are placed. Do not share supporting means between electrical raceways and mechanical piping or ducts. Coordinate installation with above-ceiling mechanical systems to assure maximum accessibility to all systems. Spring-steel fasteners may be used for lighting branch circuit conduit supports in suspended ceilings in dry locations. Support exposed risers in wire shafts of multistory buildings by U-clamp hangers at each floor level and at 10 foot maximum intervals. Where conduit crosses building expansion joints, provide suitable watertight expansion fitting that maintains conduit electrical continuity by bonding jumpers or other means. For conduits greater than 2 1/2 inches inside diameter, provide supports to resist forces of 0.5 times the equipment weight in any direction and 1.5 times the equipment weight in the downward direction.
SECTION 26 05 00.00 40 Page 10
3.2.3.6 Directional Changes in Conduit Runs
Make changes in direction of runs with symmetrical bends or cast-metal fittings. Make field-made bends and offsets with hickey or conduit-bending machine. Do not install crushed or deformed conduits.
Avoid trapped conduits. Prevent plaster, dirt, or trash from lodging in conduits, boxes, fittings, and equipment during construction. Free clogged conduits of obstructions.
3.2.4 Wiring
Color code feeder and branch circuit conductors as follows:
CONDUCTOR COLOR AC
Phase A Black (208VAC); Brown (480VAC)
Phase B Red (208VAC); Orange (480VAC)
Phase C Blue (208VAC); Yellow (480VAC)
Neutral White (208VAC); Natural Gray
(480VAC)
Equipment Grounds Green Green with Yellow Stripe Bare
Use conductors up to and including AWG No. 2 that are manufactured with colored insulating materials. For conductors larger than AWG No. 2 , have ends identified with color plastic taped in outlet, pull, or junction boxes.
Splice in accordance with the NFPA 70 . Provide conductor identification within each enclosure where a tap, splice, or termination is made and at the equipment terminal of each conductor. Match terminal and conductor identification as indicated.
Where several feeders pass through a common pullbox, tag the feeders to clearly indicate the electrical characteristics, circuit number, and panel designation.
3.2.5 Splices and Connectors
Make all splices in AWG No. 8 and smaller with approved insulated electrical type indentor crimp-type connectors and compression tools.
The service entrance conductors and feeders from the service disconnect to the pump station disconnect shall not be spliced. Make all splices in AWG No. 6 and larger with insulated electrical lugs type . Wrap joints with an insulating tape that has an insulation and temperature rating equivalent to that of the conductor.
3.2.6 Conductor Identification
Provide conductor identification within each enclosure where tap, splice, or termination is made. For conductors No. 6 AWG and smaller diameter, provide color coding by factory-applied, color-impregnated insulation.
For conductors No. 4 AWG and larger diameter, provide color coding by
SECTION 26 05 00.00 40 Page 11 plastic-coated, self-sticking markers; colored nylon cable ties and plates; or heat shrink-type sleeves. Identify control circuit terminations in accordance with manufacturer's recommendations.
3.2.6.1 Marking Strips
Provide marking strips in accordance with the following:
a. Provide white or other light-colored plastic marking strips, fastened by screws to each terminal block, for wire designations.
b. Use permanent ink for the wire numbers
c. Provide reversible marking strips to permit marking both sides, or provide two marking strips with each block.
d. Size marking strips to accommodate the two sets of wire numbers.
e. Assign a device designation in accordance with NEMA ICS 1 to each device to which a connection is made. Mark each device terminal to which a connection is made with a distinct terminal marking corresponding to the wire designation used on the Contractor's schematic and connection diagrams.
f. The wire (terminal point) designations used on the Contractor's wiring diagrams and printed on terminal block marking strips may be according to the Contractor's standard practice; however, provide additional wire and cable designations for identification of remote (external) circuits for the Government's wire designations.
g. Prints of the marking strips drawings submitted for approval will be so marked and returned to the Contractor for addition of the designations to the terminal strips and tracings, along with any rearrangement of points required.
3.2.7 Surge Protective Devices
Connect the surge protective devices in parallel to the power source, keeping the conductors as short and straight as practically possible.
Maximum allowed lead length is 3 feet .
3.2.8 Field Fabricated Nameplates
Ensure nameplates conform to ASTM D709. Provide laminated plastic nameplates for each equipment enclosure, relay, switch, and device, as specified or as indicated on the drawings. Each nameplate inscription identifies the function and, when applicable, the position. Provide nameplates that are melamine plastic, 0.125-inch thick, white with black center core and a matte finish surface with square corners. Accurately align lettering and engrave into the core. Minimum size of nameplates is 1 by 2.5 inches . Lettering is a minimum of 0.25-inch high normal block style.
3.2.9 Identification Plates and Warnings
Provide identification plates for lighting and power panelboards, motor control centers, all line voltage heating and ventilating control panels, fire detector and sprinkler alarms, door bells, pilot lights, disconnect switches, manual starting switches, and magnetic starters. Attach
SECTION 26 05 00.00 40 Page 12 identification plates to process control devices and pilot lights.
Install identification plates for all line voltage enclosed circuit breakers, identifying the equipment served, voltage, phase(s) and power source. For circuits 480 volts and above, install conspicuously located warning signs in accordance with OSHA requirements.
3.3 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.
3.4 WARNING SIGN MOUNTING
Provide the number of signs required to be readable from each accessible side. Space the signs in accordance with NFPA 70E.
3.5 FIELD QUALITY CONTROL
After completion of the installation and splicing, and prior to energizing the conductors, perform wire and cable continuity and insulation tests as herein specified before the conductors are energized.
Provide all necessary test equipment, labor, and personnel to perform the tests, as herein specified.
Isolate completely all wire and cable from all extraneous electrical connections at cable terminations and joints. Use substation and switchboard feeder breakers, disconnects in combination motor starters, circuit breakers in panel boards, and other disconnecting devices to isolate the circuits under test.
Perform insulation-resistance test on each field-installed conductor with respect to ground and adjacent conductors. Applied potential is 500 volts dc for 300 volt rated cable and 1000 volts dc for 600 volt rated cable.
Take readings after 1 minute and until the reading is constant for 15 seconds. Minimum insulation-resistance values is not less than 25 Megohms for 300 volt rated cable and 100 Megohms for 600 volt rated cable. For circuits with conductor sizes AWG No. 8 and smaller insulation resistance testing is not required.
Perform continuity test to insure correct cable connection end-to-end (i.e correct phase conductor, grounded conductor, and grounding conductor wiring). Repair and verify any damages to existing or new electrical equipment resulting from mis-wiring. Receive approval for all repairs prior to commencement of the repair.
Conduct phase-rotation tests on all three-phase circuits using a phase-rotation indicating instrument. Perform phase rotation of electrical connections to connected equipment in a clockwise direction, facing the source.
Perform 600-volt wiring test on wiring rated 600 volt and less to verify that no short circuits or accidental grounds exist. Perform insulation resistance tests on wiring No. 6 AWG and larger diameter using instrument which applies voltage of approximately 500 volts to provide direct reading of resistance. Minimum resistance: 250,000 ohms.
Submit test reports in accordance with referenced standards in this
SECTION 26 05 00.00 40 Page 13 section.
Final acceptance requires the successful performance of wire and cable under test. Do not energize any conductor until the final test reports are reviewed and approved.
-- End of Section --
SECTION 26 05 00.00 40 Page 14
DIVISION 26 - ELECTRICAL
SECTION 26 05 19.10 10
INSULATED WIRE AND CABLE
05/16
PART 1 GENERAL
1.1 REFERENCES
1.2 SUBMITTALS
1.3 DELIVERY, STORAGE, AND HANDLING
PART 2 PRODUCTS
2.1 MATERIALS
2.1.1 Rated Circuit Voltages
2.1.2 Conductors
2.1.2.1 Material for Conductors
2.1.2.2 Size
2.1.2.3 Stranding
2.1.2.4 Conductor Shielding
2.1.2.5 Separator Tape
2.1.3 Insulation
2.1.3.1 Insulation Material
2.1.3.2 Insulation Thickness
2.1.3.2.1 Power Cables, 2,000 Volts and Below
2.1.3.2.2 Power Cables, Rated 2,001 Volts and Above
2.1.3.3 Insulation Shielding
2.1.4 Jackets
2.1.4.1 Jacket Material
2.1.4.1.1 General Use
2.1.4.2 Jacket Thickness
2.1.4.2.1 Multiple-Conductor Cables
2.1.4.2.2 Single-Conductor Cables
2.1.5 Metal-Clad Cable
2.1.5.1 General
2.1.5.2 Jackets
2.1.6 Multiple-Conductor Cables
2.2 CABLE IDENTIFICATION
2.2.1 Color-Coding
2.2.2 Shielded Cables Rated 2,001 Volts and Above
2.2.3 Cabling
2.2.4 Dimensional Tolerance
PART 3 EXECUTION
3.1 INSTALLATION INSTRUCTIONS
3.2 TEST REPORT(S), INSPECTION REPORT(S), AND VERIFICATION REPORT(S)
3.2.1 Cable Data
3.2.2 Inspection and Tests
3.2.2.1 High-Voltage Test Source
3.2.2.2 Shielded Cables Rated 2,001 Volts or Greater
SECTION 26 05 19.10 10 Page 1
3.2.2.3 Flame Tests
3.2.2.4 Independent Tests
3.2.2.5 Reports
-- End of Section Table of Contents --
SECTION 26 05 19.10 10 Page 2
SECTION 26 05 19.10 10
INSULATED WIRE AND CABLE
05/16
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.
INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS (IEEE)
IEEE 1202 (2006; R 2012; CORR 1 2012)
Flame-Propagation Testing of Wire and Cable
INSULATED CABLE ENGINEERS ASSOCIATION (ICEA)
ICEA S-58-679 (2014) Control, Instrumentation and Thermocouple Extension Conductor Identification
ICEA T-30-520 (1986) Conducting Vertical Cable Tray Flame Tests with Theoretical Heat Input Rate of 70,000 B.T.U./Hour
NATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION (NEMA)
ANSI/NEMA WC 71/ICEA S-96-659 (2014) Standard for Nonshielded Cables Rated 2001-5000 Volts for use in the Distribution of Electric Energy
NEMA WC 26 (2008) Binational Wire and Cable Packaging Standard
NEMA WC 57 (2014) Standard for Control, Thermocouple Extension, and Instrumentation Cables
NEMA WC 70 (2009) Power Cable Rated 2000 V or Less for the Distribution of Electrical Energy--S95-658
NEMA WC 74/ICEA S-93-639 (2012) 5-46 kV Shielded Power Cable for Use in the Transmission and Distribution of Electric Energy
NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)
NFPA 70 (2020; ERTA 20-1 2020; ERTA 20-2 2020; TIA
20-1; TIA 20-2; TIA 20-3; TIA 20-4)
National Electrical Code
SECTION 26 05 19.10 10 Page 3
UNDERWRITERS LABORATORIES (UL)
UL 44 (2018) UL Standard for Safety Thermoset-Insulated Wires and Cables
UL 1685 (2015) UL Standard for Safety Vertical-Tray Fire-Propagation and Smoke-Release Test for Electrical and Optical-Fiber Cables
UL 2556 (2015) UL Standard for Safety Wire and Cable Test Methods
1.2 SUBMITTALS
Government approval is required for submittals with a "G" or "S" classification. Submittals not having a "G" or "S" classification are for information only. When used, a code following the "G" classification identifies the office that will review the submittal for the Government.
Submit the following in accordance with Section 01 33 00 SUBMITTAL
PROCEDURES:
SD-03 Product Data
Conductors ; G, DT
Cable Manufacturing Data
SD-06 Test Reports
Test Report(s), Inspection Report(s), and Verification Report(s) ;
G, DT
1.3 DELIVERY, STORAGE, AND HANDLING
Furnish cables on reels or coils. Each cable and the outside of each reel or coil, must be plainly marked or tagged to indicate the cable length, voltage rating, conductor size, and manufacturer's lot number and reel number. Each coil or reel of cable must contain only one continuous cable without splices. Cables for exclusively dc applications, as specified in paragraph "High-Voltage Test Source," must be identified as such.
Shielded cables rated 2,001 volts and above must be reeled and marked in accordance with NEMA WC 26, as applicable. Reels must remain the property of the Contractor.
PART 2 PRODUCTS
2.1 MATERIALS
2.1.1 Rated Circuit Voltages
All power wire and cable must have minimum rated circuit voltages in accordance with NEMA WC 70, ANSI/NEMA WC 71/ICEA S-96-659 , or NEMA WC 74/ICEA S-93-639 as applicable. Power wire and cable for circuit voltages rated 0-600 volts must be rated not less than 600 volts. Control wire and cable must have minimum rated circuit voltages in accordance with NEMA WC 57, but must be rated 600 volts if routed in raceway with other conductors that are rated 600 volts.
SECTION 26 05 19.10 10 Page 4
2.1.2 Conductors
2.1.2.1 Material for Conductors
Conductors must conform to all the applicable requirements of NEMA WC 57, NEMA WC 70, ANSI/NEMA WC 71/ICEA S-96-659 , or NEMA WC 74/ICEA S-93-639 as applicable. Copper conductors must be annealed copper material and they may be bare, or tin- or lead-alloy-coated, if required by the type of insulation used. Aluminum conductors must be Type AA-8000 aluminum conductors. Type 1350 is not acceptable. Intermixing of copper and aluminum conductors in the same raceway is not permitted.
2.1.2.2 Size
Minimum wire size must be No. 12 AWG for power and lighting circuits; No.
10 AWG for current transformer secondary circuits; No. 14 AWG for potential transformer, relaying, and control circuits; No. 16 AWG for annunciator circuits; and No. 19 AWG for alarm circuits. Minimum wire sizes for rated circuit voltages of 2,001 volts and above must not be less than those listed for the applicable voltage in ANSI/NEMA WC 71/ICEA S-96-659 or NEMA WC 74/ICEA S-93-639 , as applicable.
2.1.2.3 Stranding
Conductor stranding classes cited herein must be as defined for control conductors in NEMA WC 57 or as defined for 0-2,000 volts power conductors in NEMA WC 70, as applicable. Lighting conductors No. 10 AWG and smaller must be solid or have Class B stranding. Any conductors used between stationary and moving devices, such as hinged doors or panels, must have Class H or K stranding. All other conductors must have Class B or C stranding, except that conductors as shown, or in the schedule, as No. 12 AWG may be 19 strands of No. 25 AWG, and conductors shown as No. 10 AWG may be 19 strands of No. 22 AWG. Conductor stranding classes for circuit voltages 2,001 volts and above must be as defined in ANSI/NEMA WC 71/ICEA S-96-659 and NEMA WC 74/ICEA S-93-639 , as applicable.
2.1.2.4 Conductor Shielding
Use conductor shielding conforming to NEMA WC 57 for control wire and cable as applicable. Use conductor shielding conforming to ANSI/NEMA WC 71/ICEA S-96-659 or NEMA WC 74/ICEA S-93-639 , as applicable, on power cables having a rated circuit voltage above 2,000 volts.
2.1.2.5 Separator Tape
Where conductor shielding, strand filling, or other special conductor treatment is not required, a separator tape between conductor and insulation is permitted.
2.1.3 Insulation
2.1.3.1 Insulation Material
Unless specified otherwise or required by NFPA 70 , wires in conduit, other than service entrance, must be 600-volt, Type XHHWXHHW conforming to UL 44 . Insulation for control wire and cable must meet the requirements of NEMA WC 57. Insulation requirements for wire and cable rated less than 2,000 volts must meet the requirements of NEMA WC 70. Insulation requirements for wire and cable rated 2,001-5,000 volts must meet the
SECTION 26 05 19.10 10 Page 5 requirements of ANSI/NEMA WC 71/ICEA S-96-659 . Insulation requirements for wire and cable rated 5,001 volts and greater must meet the requirements of
NEMA WC 74/ICEA S-93-639 .
For shielded cables of rated circuit voltages above 2,000 volts, the following provisions must also apply:
a. XLPE, if used, must be tree-retardant.
b. Insulation must be chemically bonded to conductor shielding.
c. The insulation material and its manufacturing, handling, extrusion and vulcanizing processes must all be subject to strict procedures to prevent the inclusion of voids, contamination, or other irregularities on or in the insulation. Insulation material must be inspected for voids and contaminants.
d. Cables with repaired insulation defects discovered during factory testing, or with splices or insulation joints, are prohibited unless specifically approved.
2.1.3.2 Insulation Thickness
The insulation thickness for each conductor must be based on its rated circuit voltage.
2.1.3.2.1 Power Cables, 2,000 Volts and Below
The insulation thickness for single-conductor and multiple-conductor power cables rated 2,000 volts and below must be as required by NEMA WC 70, as applicable. Some thicknesses of NEMA WC 70 will be permitted only for single-conductor cross-linked thermosetting polyethylene insulated cables without a jacket. NEMA WC 70 ethylene-propylene rubber-insulated conductors must have a jacket.
2.1.3.2.2 Power Cables, Rated 2,001 Volts and Above
Thickness of insulation for power cables rated 2,001 volts and above must be in accordance with the following
a. Non-shielded cables, 2,001 to 5,000 volts, must comply with ANSI/NEMA WC 71/ICEA S-96-659 , as applicable.
b. Shielded cables rated 5,000 volts to 46,000 volts must comply with NEMA WC 74/ICEA S-93-639 , as applicable.
2.1.3.3 Insulation Shielding
Unless otherwise specified, provide insulation shielding for conductors having rated circuit voltages of 2,001 volts and above. The voltage limits above which insulation shielding is required, and the material requirements, are given in ANSI/NEMA WC 71/ICEA S-96-659 or NEMA WC 74/ICEA S-93-639 , as applicable. The material, if thermosetting, must meet the wafer boil test requirements as described in ANSI/NEMA WC 71/ICEA S-96-659 or NEMA WC 74/ICEA S-93-639 , as applicable.
The method of shielding must be in accordance with the current practice of the industry; however, the application process must include strict precautions to prevent voids or contamination between the insulation and the nonmetallic component. Voids, protrusions, and indentations of the
SECTION 26 05 19.10 10 Page 6 shield must not exceed the maximum allowances specified in ANSI/NEMA WC 71/ICEA S-96-659 or NEMA WC 74/ICEA S-93-639 , as applicable.
The cable must be capable of operating without damage or excessive temperature when the shield is grounded at both ends of each conductor.
All components of the shielding system must remain tightly applied to the components they enclose after handling and installation in accordance with the manufacturer's recommendations. Shielding systems which require heat to remove are prohibited unless specifically approved.
2.1.4 Jackets
All cables must have jackets meeting the requirements of NEMA WC 57, NEMA WC 70, ANSI/NEMA WC 71/ICEA S-96-659 , and NEMA WC 74/ICEA S-93-639 , as applicable, and as specified herein. Individual conductors of multiple-conductor cables must be required to have jackets only if they are necessary for the conductor to meet other specifications herein.
Jackets of single-conductor cables and of individual conductors of multiple-conductor cables, except for shielded cables, must be in direct contact and adhere or be vulcanized to the conductor insulation.
Multiple-conductor cables and shielded single-conductor cables must be provided with a common overall jacket, which must be tightly and concentrically formed around the core. Repaired jacket defects found and corrected during manufacturing are permitted if the cable, including jacket, afterward fully meets these specifications and the requirements of the applicable standards.
2.1.4.1 Jacket Material
The jacket must be one of the materials listed below. Polyvinyl chloride compounds will not be permitted. Variations from the materials required below will be permitted only if approved for each specific use, upon submittal of sufficient data to prove that they exceed all specified requirements for the particular application.
2.1.4.1.1 General Use
Heavy-duty black neoprene NEMA WC 70, ANSI/NEMA WC 71/ICEA S-96-659 , or NEMA WC 74/ICEA S-93-639
Heavy-duty chlorosulfonated polyethylene NEMA WC 57, NEMA WC 70, ANSI/NEMA WC 71/ICEA S-96-659 , or
NEMA WC 74/ICEA S-93-639
Heavy-duty cross-linked (thermoset) chlorinated polyethylene
NEMA WC 70, ANSI/NEMA WC 71/ICEA S-96-659 ,
or NEMA WC 74/ICEA S-93-639
2.1.4.2 Jacket Thickness
The minimum thickness of the jackets must be not less than 80 percent of the respective nominal thicknesses specified below.
SECTION 26 05 19.10 10 Page 7
2.1.4.2.1 Multiple-Conductor Cables
Thickness of the jackets of the individual conductors of multiple-conductor cables must be as required by NEMA WC 57, NEMA WC 70, ANSI/NEMA WC 71/ICEA S-96-659 , or NEMA WC 74/ICEA S-93-639 as applicable and must be in addition to the conductor insulation thickness required by the applicable respective NEMA publication for the insulation used.
Thickness of the outer jackets and associated coverings of the assembled multiple-conductor cables must be as required by NEMA WC 57, NEMA WC 70, ANSI/NEMA WC 71/ICEA S-96-659 , or NEMA WC 74/ICEA S-93-639 as applicable.
2.1.4.2.2 Single-Conductor Cables
Single-conductor cables must have a jacket thickness as specified in NEMA WC 57, NEMA WC 70, ANSI/NEMA WC 71/ICEA S-96-659 , or NEMA WC 74/ICEA S-93-639 as applicable.
2.1.5 Metal-Clad Cable
2.1.5.1 General
The metallic covering or sheath must be continuous corrugated metal, conforming to the applicable requirements of NEMA WC 57, NEMA WC 70, ANSI/NEMA WC 71/ICEA S-96-659 , or NEMA WC 74/ICEA S-93-639 . The type of metal for the metallic covering must be galvanized steel . If the covering is of ferrous metal, it must be galvanized. Grounding conductor(s) conforming to NEMA WC 57, NEMA WC 70, ANSI/NEMA WC 71/ICEA S-96-659 , or NEMA WC 74/ICEA S-93-639 as applicable must be furnished for each multiple-conductor metal-clad cable. Assembly and cabling must be as specified in paragraph "Cabling." The metallic covering must be applied over an inner jacket or filler tape. The cable must be assembled so that the metallic covering will be tightly bound over a firm core.
2.1.5.2 Jackets
Metal-clad cables may have a jacket under the armor, and must have a jacket over the armor. Jackets must comply with the requirements of NEMA WC 57, NEMA WC 70, ANSI/NEMA WC 71/ICEA S-96-659 , or NEMA WC 74/ICEA S-93-639 as applicable. The outer jacket for the metal-clad cable may be of polyvinyl chloride (PVC) only if specifically approved.
2.1.6…
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