23009_-_Darcor_Specs.pdf

CITY OF GALLUP

YAH-TA-HEY WELL SJ-1491

ELECTRICAL SPECIFICATIONS

TABLE OF CONTENTS

16010 ............................................................................................. Basic Electrical Requirements

16110 ............................................................................................................................ Raceways

16120 ................................................................................................................ Wires and Cables

16121 ................................................................. Medium Voltage Wires and Cables (Over 600V)

16130 .................................................................................................................................. Boxes

16140 ................................................................................................................... Wiring Devices

16195 ....................................................................................................... Electrical Identification

16345 ................................................................................ High Voltage Connectors (Over 600V)

16450 ........................................................................................................................... Grounding

16461 .....................................................................................................Transformers (Dry Type)

16470 ......................................................................................................................... Panelboards

16475 ........................................................................................... Overcurrent Protective Devices

16482 ................................................................................................. MV Motor Control Centers

16484 .................................................................................. Medium Voltage RVSS (Over 600V)

16500 .............................................................................................................................. Lighting

16950 ................................................................................................................................ Testing

16965 ......................................................................................................... High Potential Testing

16010-1 November 22, 2023

SECTION 16010

BASIC ELECTRICAL REQUIREMENTS

PART 1 -- GENERAL

1.01 SUMMARY

A. Section Includes: Electrical general provisions as indicated, specified and required for constructing a complete, ready for use electrical system as described in these

Contract Documents.

B. The project primarily consists of installing a utility transformer, 2300V, 3 service entrance rated MCC with a low voltage transformer and panelboard along with the well pump RVSS, installing a new grounding electrode system, and installing a new RTU. Additional scope of work is as indicated on the Drawings and within these specifications.

C. Labor, materials, apparatus, and appliances essential to the complete functioning of systems described and indicated on the electrical and instrumentation plans and in the specifications, or which may be reasonably implied as essential, whether mentioned in the Contract Documents or not, shall be furnished and installed by the Electrical Contractor. In case of doubt as to the work intended, or in the event of need for explanation thereof, the Contractor shall refer to the Engineer for supplemental instructions.

D. All items not specifically mentioned in these Specifications or noted on the

Drawings, or on shop drawings, but which are necessary to make a complete and satisfactory, working electrical/instrumentation installation, shall be deemed to be included herein.

E. All electrical equipment shall be capable of operating successfully at full-rated load, without failure, at an ambient air temperature of 0C to 50C, and specifically rated for an altitude of 6,650 feet above sea level. Where these criteria cannot be met, ancillary equipment and/or special derating factors as approved by the Engineer shall be utilized.

F. The Contractor shall perform all necessary saw cutting, core drilling, excavating, removal, shoring, backfilling, etc as required for the proper installation of conduits whether inside or outside of the building(s) and structure(s).

1.02 SUBMITTALS

A. Submit documentation for review as described in individual Specification

Sections for products requiring submission.

B. Submit Division 16 in one submittal, or at a maximum, the following may be submitted as a separate submittal for this project.

1. Commodities (Sections 16010-16195) and Grounding (Section 16450)

2. All other sections

C. Documentation must be arranged in numerical sequence corresponding with each

Specification Section and article of each Section. Soft copies shall be in “pdf”

16010-2 November 22, 2023 format with “character recognition” and shall include the following as a minimum:

1. A cover page to identify the Contractor’s name, name of the project, date and description, i.e. “Electrical – Commodities”.

2. An index corresponding to each specification section with all addendum updates included.

3. A copy of each specification section shall be included in the submittal package. Each paragraph or bulleted item shall be check marked to signify compliance with each item and the information is included in the submittal package. If full compliance is not met for any reason, the non-compliance item shall be underlined and reference to a detailed written explanation of the deviation or non-compliance shall be provided for consideration.

4. Bookmarks within each section for each major component within.

5. Complete manufacturer name and model number of each item. Listing items “as specified” without both make and model or type designation is not acceptable.

6. Descriptive Data: complete description, information, and performance data covering materials and equipment that are being proposed. Each component shall be clearly identified on each sheet. Refer to individual specification sections for additional submittal requirements.

D. Important Notice:

1. If Contractor's submittal departs from the Contract Documents, the

Contractor shall make specific mention thereof on the submittal, otherwise review of such submittal by the Engineer shall not constitute review of such departure(s).

2. The Engineer’s submittal review is for the sole purpose of verifying general conformance with design intent and general compliance with

Contract Documents. Approval of a submittal by the Engineer does not relieve the contractor of responsibility for correcting errors which may exist in the submittal or from meeting requirements of Contract

Documents.

3. After material or equipment has been submitted and approved, no substitutions will be allowed, unless required per Contract

Documents. Any equipment installed that is different than the approved shop drawings and submittals will be removed and replaced at the Contractor’s expense.

4. The Contractor may be charged for costs incurred by the Engineer for third and subsequent submittal reviews. Cost for Engineer’s review time shall be billed at the Engineer’s standard hourly rates.

5. Where calculations, sealed by a registered professional engineer, are required to be submitted, they will be reviewed for content and format but may not be reviewed for accuracy.

E. For control panels, motor starters and other equipment requiring multiple terminations of components and devices, the Contractor shall submit detailed

16010-3 November 22, 2023 shop drawings on 11” x 17” size sheets consisting of point-to-point wiring diagrams, bill of materials, interior and exterior elevations with dimensions prepared by the equipment manufacturer or a UL 508A recognized system integrator.

1.03 ARC FLASH HAZARD AND SHOCK WARNING LABELS

A. Arc Flash Hazard and Shock warning labels shall be installed on all 2300V electrical distribution equipment added as a part of this project. Arc Flash Hazard

Warning Labels shall be UV resistant where installed on equipment located outdoors.

1.04 OPERATION AND MAINTENANCE MANUALS

A. Operation and Maintenance (O&M) Manuals: Contractor shall provide O&M manuals for equipment and materials furnished under this contract. O&M manuals must be submitted and approved before final inspection of the project so that they may be used during startup. Soft copies shall be in “pdf” format with

“character recognition” and shall include the following as a minimum:

1. A cover sheet to identify the Contractor’s name, name of the project, date and description, i.e. “Electrical Equipment O&M Manual”.

2. Bookmarks within each section for each major component within.

3. Complete manufacturer name and model number of each item.

4. Descriptive data, component data sheets, wiring diagrams, control panel drawings, etc. from the approved submittals/shop drawings.

5. Complete instructions regarding the installation, operation and maintenance of equipment involved. Instructions and documentation not related to the equipment furnished must be removed or crossed out. O&M manuals must be individually tailored to the project and equipment as furnished.

6. Complete nomenclature of replaceable parts, part numbers, current cost, name and address of nearest vendor of replacement parts. Information on equipment or components not related to equipment furnished must be removed or crossed out. O&M manuals must be individually tailored to the project and equipment as furnished.

7. Copy of warranties issued on the installation, showing dates of expiration.

8. Copy of the signed spare parts transmittal letter.

9. Final power study in the electrical power distribution equipment O&M.

B. Hard copies, if required, shall be bound in 3-ring binders (2” max) and include all information as described above for soft copies. The binders shall include tabs corresponding to a neatly typewritten index. The binder cover and edge shall clearly identify the Contractor’s name, name of the project, date and identified as

“Electrical Equipment O&M Manual”.

1.05 RECORD DRAWINGS

A. Record Drawings: On completion of work, Contractor shall furnish a complete set of Record Drawings and 11” x 17” size Shop Drawings which properly reflect

16010-4 November 22, 2023 final locations and sizes of conduit, equipment fixtures, controls, etc., as actually installed. Dimensions shall be included on the Contractor’s as-built Drawings showing exact location of underground conduits.

1.06 QUALITY ASSURANCE

A. The Contractor performing the electrical construction and installation shall be a reputable licensed Contractor in the State of New Mexico to do electrical commercial construction.

B. The Contractor’s management personnel in charge of office and field activities must be located within a 200-mile radius of the project and have been in that vicinity for a minimum of five (5) years.

C. All equipment furnished shall be new and of current design. Like equipment shall be of the same manufacturer.

D. Unless otherwise indicated, all equipment and components shall be rated for use in the environment installed. Outdoor equipment shall be weatherproof or rated for outdoor use. Service equipment shall bear markings “Suitable for Use as

Service Equipment” or be UL listed as “Service Equipment.”

E. All electrical construction work on this project shall be performed in conformance with all State and local Codes, National Electrical Code, and the National

Electrical Contractors Association (NECA) Standard 1-2010 for Good

Workmanship in Electrical Construction. Work under this contract found not in conformance with these Codes and Standards is subject to being corrected at no additional expense to the Owner.

F. All electrical construction work on this project will be observed and/or inspected by the Owner or a representative of the Owner for compliance with Drawings, Specifications, and applicable State and local Codes. The contractor shall notify the Owner and/or their representative a minimum of 1 week in advance for all required observations/inspections before any electrical work is covered up.

1.07 SPACE REQUIREMENTS

A. Space Requirements: In the preparation of Drawings, a reasonable effort has been made to include equipment manufacturer’s recommendations. Since space requirements and equipment arrangement vary according to manufacturer, the responsibility for initial access and proper fit rests with the Contractor. Final arrangement of equipment and service connections shall allow the unit to be serviced, including space to pull motors, change fuses, and operate switches.

Minimum working clearances shall be as required by NEC and local codes.

1.08 COORDINATION

A. Contractor shall coordinate with all other trades to avoid conflicts and interferences. No extra compensation will be allowed for changes made necessary due to interference between work of various trades.

B. Any discrepancies noted in these contract documents or discrepancies between

Drawings and actual field conditions shall be promptly brought to the Engineer

16010-5 November 22, 2023 for a decision. No extra compensation will be allowed for changes made by the

Contractor without Engineer’s consent.

C. Carefully check and coordinate each device location and elevation. Also check routing of all conduits for conflicts with structures, mechanical piping, ducts, etc.

to avoid conflicts.

D. No ductwork or heating main or piping conveying fluids shall be installed directly over electrical equipment or electrical equipment rooms. Where this has been violated, the Contractor shall immediately notify the Engineer for assessment.

1.09 REGULATORY REQUIREMENTS

A. Electrical work, including connection to electrical equipment integral with mechanical equipment, shall be performed in accordance with the latest published regulations of the National Electrical Code (NEC), State and local codes, and according to the latest Institute of Electrical and Electronic Engineers (IEEE);

American National Standards Institute (ANSI); American Society for Testing and

Materials (ASTM); Insulated Cable Engineers Association (ICEA); National

Electrical Manufacturers Association (NEMA) Standards; and the latest published regulations of the Federal Occupational Safety and Health Act (OSHA). When applicable, the material used in the performance of the electrical work shall be listed by the Underwriters’ Laboratories, Inc. (UL) for the class of service for which they are intended.

B. Control panels shall be assembled and wired by a UL 508A recognized panel shop. All control panel components shall be UL recognized or ground fault protected per UL 508A fabrication standards. Each control panel assembly shall be fabricated according to UL 508A Standards and shall bear a serialized UL

508A label.

1.10 WARRANTY

A. In addition to specific warranties required by the Specifications, the Contractor shall leave the entire installation in complete working order and free from defects in materials, workmanship or finish. Contractor shall repair or replace at his own expense any part that may develop defects due to faulty material or workmanship during the tests and within a period of one year after the work is accepted by the

Engineer and Owner. Contractor shall repair or replace existing equipment and work that is damaged during the repair of defective apparatus, materials or workmanship.

B. All manufacturer’s warranties shall be filled out in their entirety by the Contractor for the Owner using the Owner’s name and address. Unless otherwise specified, equipment warranty periods will commence on date of final acceptance.

1.11 DRAWINGS

A. Clarity and Legibility: For purposes of clarity and legibility, the Drawings are diagrammatic only. Drawings are not intended to show every fitting, junction, gasket or component necessary, nor every difficulty that may be encountered during installation. Conduit routing may be adjusted in the field. Size and location

16010-6 November 22, 2023 of equipment are drawn to scale wherever possible. Contractor shall refer to related data in all Contract Documents and shall verify this information on site.

B. Instrumentation and control drawings are provided to indicate the control strategy intent only. Final circuitry shall be as determined by the Contractor or his vendors. Actual wiring diagrams shall be provided by the Contractor and reviewed by the Engineer for a fully functional system as intended.

1.12 REFERENCES

A. The specifications reference known standards and codes. Each such standard referred to shall be considered a part of the Specifications to the same extent as if reproduced therein in full. The following is a representative list of such

Associations, Institutes and Societies, together with the acronym by which each is identified.

AASHTO American Assoc of State Highway and Transportation Officials

AIEE American Institute of Electrical Engineers

ANSI American National Standards Institute

ASTM American Society for Testing and Materials

AWWA American Water Works Association

ICEA Insulated Cable Engineers Association

IEEE Institute of Electrical and Electronics Engineers

IES Illumination Engineering Society

NEC National Electrical Code

NEMA National Electrical Manufacturers Association

NETA National Electrical Testing Association

NFPA National Fire Protection Association

UL Underwriter’s Laboratories, Inc.

B. Every reference in the Specifications shall mean the latest printed edition of each in effect at the Contract Date.

1.13 UTILITY SERVICE

A. Contractor shall contact the serving electric utility company to provide electrical service(s) to the site. This includes the permanent as well as any temporary service requirements. The Contractor shall provide all necessary labor and material required to obtain this service(s) in accordance with utility requirements.

Unless otherwise indicated in these documents, all fees and charges associated with providing, maintaining and usage of these services, until accepted by Owner, shall be included in the Contractor’s bid.

B. Submit copies of electrical service entrance equipment to the serving electric utility company for approval prior to releasing switchgear for fabrication. A copy of this approval letter shall be submitted to the Engineer.

C. The Contractor shall coordinate with the serving electric utility company for required pre-construction meeting, utility transformer pad requirements, primary conduit ductbank inspection, secondary conduit ductbank inspection, and scheduling.

16010-7 November 22, 2023

1.14 ABBREVIATIONS

A. References on the Drawings to various abbreviations have been made. The following is a representative list of such abbreviations together with the acronym by which each is identified.

AFF Above finished floor

AFG Above finished grade

AI Analog input

AO Analog output

APS Arizona Public Service Company

ATS Automatic transfer switch

C Conduit

C/B Circuit Breaker

CKT Circuit

CPT Control power transformer

Cu Copper

DI Digital input

DIST Distribution

DO Digital output

DWG Drawing

GND Ground

GFCI Ground Fault Circuit Interrupter

GFI/GFP Ground Fault Indication/Protection

GRS Galvanized Rigid Steel Conduit

HPS High Pressure Sodium

IMC Intermediate Metal Conduit

INST Instrument

LED Light Emitting Diode

MBJ Main bonding jumper

MCB Main Circuit breaker

MCC Motor Control Center

MCP Motor Circuit Protector

MFR Manufacturer

MLO Main Lug Only

NC Normally Closed

NO Normally Open

PC Personal computer

PLC Programmable logic controller

PR Pair

REQ’TS Requirements

RTU Remote terminal unit

SES Service entrance section

SPD Surge Protective Device

RMC Rigid Metal Conduit (GRS or IMC)

RVSS Reduced Voltage Soft Starter

SWBD Switchboard

TTB Telephone Terminal Board

16010-8 November 22, 2023

TSP Twisted Shielded Pair

TST Twisted Shielded Triad

VFD Variable frequency drive

WP Weatherproof

**END OF SECTION**

16110-1 November 22, 2023

SECTION 16110

RACEWAYS

PART 1 -- GENERAL

1.01 SUMMARY

A. Section Includes: Metallic and non-metallic wiring raceways.

1.02 SUBMITTALS

A. Product Data: Submit manufacturer’s data demonstrating compliance with this specification including couplings, fittings, bushings, and hangers.

B. Submit on the proposed method for separating conduits in underground ductbanks.

C. Submit on the proposed electrically conductive, corrosion-resistant compound for protection of field cut conduit threads.

1.03 QUALITY ASSURANCE

A. Perform work in accordance with NECA Standard of Installation and NFPA 70.

1.04 RELATED WORK

A. Specification Section 16195, Electrical Identification

PART 2 -- PRODUCTS

2.01 ACCEPTABLE MANUFACTURERS

A. Conduit:

1. Rigid metal, intermediate and EMT:

a. Allied

b. Republic

c. Triangle Conduit and Cable Co.

d. Wheatland

2. PVC coated rigid steel:

a. Ocal

b. Robroy

c. Calbond

d. Gafco Green

3. Flexible and flexible water-tight:

a. Alflex Corp.

b. Carlon Products Corp.

c. Carol Cable Co., Inc.

d. Electri-Flex

e. Sealtite

16110-2 November 22, 2023

4. Non-metallic PVC:

a. Can-Tex

b. Carlon

c. PW Eagle/JM Eagle

5. Conduit supports and hangers:

a. Caddy

b. Thomas and Betts

c. Appleton

d. Crouse-Hinds

e. B-Line Systems

6. Supporting Channel:

a. G-Strut

b. Unistrut

c. B-Line

2.02 MATERIALS

A. Metallic Conduit:

1. Rigid steel:

a. Hot dipped galvanized rigid steel; meet ANSI C80.1 and ASTM

A153; UL labeled and meet UL Standard No. 6.

b. All conduit bodies and fittings shall be threaded. Threadless couplings shall not be used unless specifically approved by the

Engineer.

c. All conduit body covers shall be secured with machine screws threaded onto the conduit body. Covers secured by snaptight or wedge-nuts are unacceptable.

d. Where PVC coated rigid steel conduit is indicated on the

Drawings, the conduit shall be galvanized steel with a factory installed PVC coating. All conduit fitting, boxes, connectors, etc.

shall also be PVC coated by the factory.

e. No aluminum conduit shall be permitted unless approved by the

Engineer.

2. Intermediate: Shall be same as rigid above with thinner wall.

3. Electrical metallic tubing (EMT or Thin-wall) shall be:

a. Galvanized; meet ANSI C80.3; UL labeled; marked with manufacturer’s name.

b. Thin-wall conduit fittings for damp or wet locations shall be of the regular watertight design, with hexagonal nuts and center portions requiring the use of a wrench during installation.

c. Setscrew type fittings are not permitted under any circumstances.

4. Flexible conduit:

16110-3 November 22, 2023

a. UL-listed flexible rubber or plastic coated metallic type with watertight ferrule and sleeve type connectors. Standard steel type flexible conduit is unacceptable.

b. ANSI/NEMA FB1 steel connectors. Connectors must be PVC coated where installed in corrosive environments or where PVC conduit or PVC coated GRS conduit is specified.

B. Non-Metallic PVC Conduit:

1. Rigid non-metallic conduit Polyvinyl Chloride (PVC) type II PVC shall be schedule 40, suitable for use with 90 degree rated wire. Conduit shall bear

UL labels for above and below ground use.

2. All PVC conduit connections shall be cleaned using primer before applying glue.

3. All PVC conduit 1-1/4 inch and larger with bends greater than 45º shall utilize factory bends.

4. Where the enclosure or raceway is subject to physical damage, conductors shall be installed in rigid metal conduit, intermediate metal conduit, Schedule 80 rigid nonmetallic conduit or equivalent.

5. Meet UL standard #651.

PART 3 -- EXECUTION

3.01 INSTALLATION

A. General:

1. Raceways shall be concealed, where possible, unless otherwise indicated on the Drawings. When exposed, confirm the exact routing with the

Engineer prior to roughing in.

2. Sizing: Minimum conduit sizes are indicated on the Drawings. The

Contractor may choose to install larger conduit for ease of installation or wiring pulling at no additional cost to the Owner. If conduit or raceway size is not indicated on the Drawings, raceways shall be sized per NEC.

Unless otherwise indicated, minimum conduit size shall be ¾ - inches.

3. Unless otherwise indicated, all exposed conduits to be rigid metal conduit

GRS or IMC. All direct buried or concrete encased conduits to be

Schedule 40 PVC.

B. Conduit:

1. Conduit shall: Have openings temporarily plugged, using “pennies” or equal to exclude plaster or other foreign materials; be reamed after cutting;

have joints cut square; have field-cut threads be coated with an approved electrically conductive , corrosion resistant compound and butt solidly into fittings; have the ends terminated in a proper bushed fitting, be rigidly supported so as to prevent undue stress or strain on the couplings and connectors; be swabbed before conductors are pulled in.

16110-4 November 22, 2023

2. After installation, seal the openings of all conduits in all enclosures using

Type DC duct sealing compound/putty as manufactured by O-Z/Gedney or equal.

3. Concealed conduits shall be run in a direct line with long sweep bends and offsets. Horizontal runs shall be run with a slight incline, to prevent low spots or pockets (for drainage).

4. Conduits shall be continuous from outlet to outlet, from outlets to cabinets, pull or junction boxes and shall be secured to boxes with lock nuts and bushings in such a manner that each system shall be electrically continuous throughout. Three-piece “Erickson” couplings shall be used where required. No running threads shall be cut.

5. Install conduit systems completely before conductors are pulled. Conduits shall be securely supported at proper intervals to structures with steel clamps, or conduit hangers or by special supporting assemblies when indicated on the Drawings.

6. Conduit terminations shall contain insulated bushings. Provide grounding type bushings where steel conduit is stubbed into nonmetallic enclosures, stubbed up in the base of freestanding enclosures or where locknuts cannot assure proper ground continuity between metallic enclosures and the steel conduit. Provide service entrance and transformer connection conduits with grounding type bushings.

7. Exposed conduits shall be installed parallel to walls, floor and ceilings or at right angles to the building lines. Exposed bends shall be used only where approved. Covers shall be secured to bodies with machine screws.

8. IMC: May be used in lieu of heavy wall rigid, unless otherwise indicated.

9. Electrical metallic tubing (EMT) or “Thin-wall” shall not be used.

10. Hickey bends shall not be used for 1-inch and larger conduits. Either manufactured elbows or bends fabricated in a bending machine shall be used. The radius of the inner edge of bends shall be six times the internal diameter of the conduit for conduit sizes up to 2 ½-inches and 12 times internal diameter for 3-inches conduits and larger. A run of conduit between outlet and outlet, between fitting and fitting, or between outlet and fitting shall not contain more than 360º of total bends.

11. Conduit shall not be run above or below water piping, and must be individually supported.

12. In wet locations, and in locations where walls are frequently washed, the entire conduit system, including boxes and fittings used, shall be installed and equipped to prevent water from entering conduit. Conduit shall be so mounted so that there is at least ¼-inch air space between conduit and wall or similar supporting surface.

13. Schedule 40 PVC conduit may be used for buried conduit installations as permitted by the NEC and local codes except where galvanized rigid steel is specified. Couplings, transition fittings, adhesives, primer and

16110-5 November 22, 2023 installation procedures recommended by the conduit manufacturer and all applicable codes must be strictly followed.

14. Install liquid-tight flexible metal conduit at motors, transformers and equipment which are subject to vibration or require movement for maintenance purposes. Provide necessary reducer where equipment furnished cannot accept 3/4-inch size flexible conduit. Limit flexible conduit length to 3-foot maximum.

15. Where conduit is threaded in the field, the threads shall be coated with an approved electrically conductive, corrosion-resistant compound.

C. Conduit Supports and Hangers:

1. Conduits shall be individually fastened securely in place on maximum of

8-feet intervals for 1-inch conduit or less and 5-feet intervals for conduits over 1-inch and within 3-feet of each conduit run termination. Use only supports, hangers and fasteners specifically designed for supporting electrical conduits.

2. Where two or more conduits 1-inch or larger run parallel, trapeze hangers may be used consisting of concrete inserts, threaded solid rods, washers, nuts and galvanized “L” angle iron, or 1-5/8” strut cross members. Such conduits shall be individually fastened to the cross member of every other trapeze hangers with galvanized cast two hole straps, clamp backs, bolted with proper size cadmium machine bolts, washers and nuts. If adjustable trapeze hangers are used to support groups of parallel conduits, U-bolt type clamps shall be used at the end of a conduit run and at each elbow.

J-bolts, or approved clamps, shall be installed on each third intermediate trapeze hanger to fasten each conduit.

3. Hangers shall be made of durable materials suitable for the application involved and shall be painted with two coats of oil paint. Where excessive corrosive conditions are encountered, hanger and strut assemblies shall be protected after fabrication by sherardizing or galvanizing, special paint or other suitable preservative methods.

4. For mounting on concrete or brick construction, insert anchors shall be installed with round head machine screws. In wood construction, round head wood screws shall be used. In brick, inserts shall be near center of brick, not near edge or in joint. Where steel members occur, drill and tap, and use round head machine screws.

D. Sleeves, Inserts, etc.: Prior to concrete floors being poured and walls being erected, install sleeves, inserts, etc. for conduit penetrations and supports as necessary. Any cutting or drilling through finished floors, walls, roofs, etc. as a result of not installing the necessary sleeves and inserts, shall be done at the

Contractor’s expense include patching, sealing and painting to the satisfaction of the Engineer and Owner.

E. Installation of Underground Conduits:

16110-6 November 22, 2023

1. Install underground conduit as indicated on the Drawings. Backfill material around the conduits must be clean-fill (dirt with rocks no larger than ½-inch).

2. Conduit bends shall have long sweep radius curves instead of standard elbows where indicated on the Drawings. All PVC conduit bends greater than 45° shall be factory-made for conduits larger than 1-inch.

3. All underground PVC conduit shall be buried a minimum of 24-inches below finished grade, except when located below a concrete slab or freestanding electrical equipment. Conduit shall be installed deeper than

24-inches wherever required to avoid existing piping, tunnels, or other obstructions.

4. Underground conduits in ductbanks shall be separated and supported with pre-manufactured plastic chairs, unless submitted and approved otherwise, installed at 5-foot intervals in the trench.

5. After duct is in place, notify the Engineer prior to backfill for inspection.

Failure to do so will result in removal of all backfill material to expose the conduits for inspection.

6. Contractor shall label all conduits in underground ductbanks with a black marker before calling for an inspection

7. During backfill, provide plastic warning tape at 12-inches below finished grade over underground electrical installations which reads, “Caution -

Buried Electrical Line Below”.

8. PVC conduits are permitted to be stubbed up into freestanding electrical enclosures. Where conduit stubs up out of the earth and is exposed, the buried elbow and riser shall be PVC coated rigid metal conduit up to 6” above finished grade, minimum.

9. Where terminating PVC conduit in a freestanding enclosure, underground junction box, manhole/handhole or other similar locations, provide each termination with a bell end.

10. Rigid metal conduit terminations shall contain insulated bushings. Provide grounding type bushings where steel conduit is stubbed into nonmetallic enclosures, stubbed up in the base of freestanding enclosures or where locknuts cannot assure proper ground continuity between metallic enclosures and the steel conduit. Install grounding type bushings on all service entrance and utility transformer connection conduits.

11. Spare conduits shall be capped with an approved plug.

12. Before pulling cables into underground conduits, pull a mandrel ¼-inch smaller than the conduit inside diameter and pulled through each conduit, and if any concrete or obstructions are found, the Contractor shall remove them and clear the conduits. Underground conduits shall be swabbed before cables are pulled in.

13. After duct runs are completed and set, backfill the trenches and tamp thoroughly to 90 percent compaction. Tamp to 95 percent compaction where conduits are located under a roadway.

16110-7 November 22, 2023

3.02 CONDUIT MARKERS

A. All conduits with conduit designations indicated on the Drawings shall be identified at each termination. See Section 16195 - Electrical Identification for conduit tag requirements.

16120-1 November 22, 2023

SECTION 16120

WIRES AND CABLES

(600V OR LESS)

PART 1 -- GENERAL

1.01 SUMMARY

A. Section Includes: Cables and wires rated 600 volts or less, as specified, including wiring of all devices.

1.02 SUBMITTALS

A. Product Data: Submit manufacturer’s data on all power, signal and communication cables demonstrating compliance with this Specification.

1.03 QUALITY ASSURANCE

A. Comply with the following Codes and Standards:

1. NFPA 70 (NEC)

2. UL listing for materials.

3. ICEA S-66-524

4. NEMA WC-7

5. ASTM B-3 or B-8

PART 2 -- PRODUCTS

2.01 ACCEPTABLE MANUFACTURERS

A. Cable:

1. General Cable

2. Okonite

3. Southwire

4. Encore

5. Belden

B. Connectors:

1. Ideal

2. Burndy Corp.

3. Thomas and Betts Co.

4. O.Z. Gedney

5. Minnesota Mining & Manufacturing (3M)

2.02 MATERIALS

A. Conductors for wire and cable shall be stranded copper with 98 percent conductivity and shall be tinned or untinned in accordance with established standards for the type of insulation around the conductors. Solid conductors are not acceptable.

16120-2 November 22, 2023

B. Wire and cable shall be stamped approximately every two feet to indicate voltage, type, temperature rating, and other significant data or warnings.

C. Conductors for general purpose wiring shall meet the following requirements:

1. Power: Type XHHW-2. Minimum conductor size for power shall be

No.12 AWG.

2. Control: Type XHHW-2 for conductors run in conduit, minimum size

No.14 AWG. Type MTW for conductors contained in control panels, minimum size No.14 AWG or No.16 AWG when protected by an overcurrent device of 10A or less.

3. Analog Signal: Twisted shielded pair (TSP) or triad (TST) with #18 AWG drain wire and an overall PVC jacket rated 600V and rated for wet locations, minimum conductor size No.16 AWG.

4. Ethernet: Category 5e rated for wet locations when cables are to be installed in underground or underfloor conduits. Ethernet: Category 5e, #24AWG, (4) twisted pairs with shield providing 100% coverage, #26AWG drain wire and an overall PVC jacket rated for wet locations and

600V.

5. Communications: 300V, size, type, materials, as required by the specific system specification and as required by the system equipment manufacturer.

D. Wire Pulling Lubricant: Lubricant shall be UL listed and be of a consistency that will not leave an obstruction or tackiness that prevents pulling out wires in the future. No soap flakes or vegetable soaps will be permitted. Lubricant in shall be

Ideal Wire Lube or equal.

E. Cable Ties: Wiring in panels, cabinets, etc. shall be neat and tied with “Ty-Rap”

T&B “TY-5418” series, or Panduit Co. “Cable Wrap”. Cable ties used in outdoor locations shall be UV stabilized.

F. Terminations:

1. 3-M Scotchlok lugs and connectors - copper.

2. O-Z solderless connectors, grounding devices, power connectors, armored cable fittings, and cable terminations.

3. Burndy - copper - all types as appropriate for cable size and configuration.

G. Connector material shall be compatible with conductor material to prevent corroding, differences in coefficients of expansion or electrolysis.

PART 3 -- EXECUTION

3.01 INSTALLATION

A. Install wires and cables in NEC approved raceways (Section 16110). All wire and cable must be installed in a raceway, unless otherwise indicated on the Drawings.

B. Branch circuit and feeder conductors shall have insulation with the following color. Phase tape is unacceptable.

16120-3 November 22, 2023

1. Grounding conductor-Green

2. 120VAC Neutral - White

3. 120/240VAC Phase A - Black

4. 120/240VAC Phase B - Red

5. 120/208VAC Phase A - Black

6. 120/208VAC Phase B - Red

7. 120/208VAC Phase C - Blue

8. 277VAC Neutral – Gray

9. 277/480VAC Phase A - Brown

10. 277/480VAC Phase B - Orange

11. 277/480VAC Phase C - Yellow

12. 12/24VDC Positive – Blue

13. 12/24VDC Negative – Brown

C. 6-inch minimum loops shall be provided at each outlet, device or luminaire.

Unused wires in outlet boxes, shall be rolled up, connected together and taped or capped with wire nuts. Mark bundled, unused spare wires as “SPARE FROM

[origination]”.

D. Branch circuit sizing: Where wire size is not indicated on the Drawings, NEC and local codes shall govern. However, minimum branch circuit conductor size shall be No. 12 AWG.

E. Pulling Cables: Wires and cables shall be carefully handled during installation.

Lubricant used for pulling in wires and cables shall be used. Use a dynamometer when pulling conductors by mechanical means.

F. Communication and signal cables shall be run in separate raceways from power wiring. Keep separated from power wiring in control panels, wireways and junction boxes.

G. Bending radius: Do not exceed the manufacturer’s maximum bending radius.

3.02 INSULATION RESISTANCE TESTING

A. Individually test each 600V rated conductor, #6 AWG and larger, for insulation resistance between phases, between each phase and neutral (if applicable), and between each phase and ground. Test after conductors have been installed and prior to energizing the equipment they are terminated to. Test shall be performed using a low-resistance ohmmeter whose rating is suitable for the tested circuit for one minute. Tests shall be performed per Section 7.3.2(2) of the 2013 Edition of the NETA Acceptance Testing Specifications Standard.

B. The insulation resistance for any given conductor shall not be less than the value recommended by Section 7.3.2(3.2) of the 2013 Edition of the NETA Acceptance

Testing Specifications Standard (100 megohms for 600V rated conductors and 25 megohms for 250V rated conductors). Any conductor that fails the insulation resistance test or fails when tested under full load conditions shall be replaced.

16120-4 November 22, 2023

C. Insulation resistance testing shall be witnessed by the Engineer. A copy of the insulation resistance test results shall be submitted for review and included in the final O&M manual documentation.

3.03 SPLICES AND TERMINATIONS

A. Splices:

1. Splices in conductors shall not be used unless otherwise indicated on the

Drawings or approved by the Engineer.

2. Where splices are allowed or necessary, they shall be mechanically strong and well made so that the electrical resistance of a joint shall not exceed that of 2-feet of the conductor.

3. Splices shall be made only in junction boxes and never in conduit.

4. Above Grade Splices:

a. Utilize wing nut solderless connectors for splicing No. 8 AWG and smaller conductors. Follow manufacturer’s recommendations for sizing, stripping, twisting, etc.

b. Utilize insulated butt connectors crimped end-to-end for splicing

No. 6 AWG and larger conductors. Follow manufacturer’s recommendations for sizing, stripping and crimping.

5. Below Grade Splices:

a. Utilize waterproof splice kits or wing nut solderless connectors with cast-resin waterproofing for splicing No. 8 AWG and smaller conductors. Follow manufacturer’s recommendations for sizing, stripping, twisting, etc.

b. Utilize insulated butt connectors crimped end-to-end with cast-resin waterproofing for splicing No. 6 AWG and larger conductors.

Follow manufacturer’s recommendations for sizing, stripping and crimping.

c. Utilize insulated butt connectors crimped end-to-end for all below grade splices or No. 6 AWG and larger conductor splices above grade. Follow manufacturer’s recommendations for sizing, stripping and crimping.

B. Motor terminations: Ring type, crimped connectors shall be installed on all conductors and bolted together back-to-back. For terminations with No.6 and smaller wire, use 10-24 bolts. Use bolts that match the connector bolthole size for all other motor terminations. Apply one layer of cambric tape followed by three layers of rubber tape and finally, top with one layer of black vinyl tape.

C. Non-motor terminations: Use ring or fork type, crimped connectors for all screw-on terminations. Wrapping wire around a binding post is unacceptable.

D. Where special tools are required to properly install the particular connector the special tools must be used.

16120-5 November 22, 2023

3.04 WIRE MARKERS

A. All conductors shall be labeled at each termination and splice. See Section 16195

- Electrical Identification for wire marker requirements.

16121-1 November 22, 2023

SECTION 16121

MEDIUM VOLTAGE WIRES AND CABLES

(OVER 600V)

PART 1 -- GENERAL

1.01 SUMMARY

A. Section Includes: High and medium voltage cables.

1.02 SUBMITTALS

A. Product Data: Submit catalog cuts and descriptive literature. Include information on the proposed manufacturer for meeting the specified requirements herein.

1.03 QUALITY ASSURANCE

A. Comply with the following Codes and Standards:

1. NFPA 70

2. UL listing for materials.

3. ICEA

PART 2 -- PRODUCTS

2.01 ACCEPTABLE MANUFACTURERS

A. Cable:

1. Okonite

2. Southwire

3. Americable

4. General Cable

2.02 MATERIALS

A. Medium voltage cables shall consist of a single, class B stranded annealed copper conductor. Stranding shall be compact round per ASTM-B3 and ASTM-B8.

Cable voltage rating shall be as indicated on the Drawings and as required by the system being connected. The cable manufacturer shall have a minimum of 15 years of proven experience in the manufacturing of EPR insulated cable at the facility from which the cable will be made.

B. Conductors shall comply with the current requirements of Institute of Cable

Power Engineers Association (ICEA) standard S-96-659, and Underwriters

Laboratory (UL) 1072.

C. The stranded copper conductor shall be covered with a semi-conducting cross-linked copolymer, insulation shall be EPR with a PVC jacket. Conductors shall be Type MV-90.

D. Cables shall be provided with a 5-year manufacturer’s warranty.

PART 3 -- EXECUTION

16121-2 November 22, 2023

3.01 INSTALLATION

A. High/Medium voltage cables shall be able to be installed in conduit without cable lubrication.

B. High/Medium voltage cables shall not, at any time, be subjected to a bending radius of less than fourteen (14) times the overall diameter of the cable as per

ICEA and NEMA standards.

C. The Contractor shall provide plastic, weather resistant, color coded tape identification on each end of the cable prior to pulling.

D. Cable runs shall be continuous and not spliced unless otherwise noted on the

Drawings.

E. High/Medium Voltage cables shall be tested per Specification 16965 requirements.

16130-1 November 22, 2023

SECTION 16130

BOXES

PART 1 -- GENERAL

1.01 SUMMARY

A. Section Includes: Outlet boxes, pull and junction boxes and underground junction boxes.

1.02 SUBMITTALS

A. Product Data: Submit manufacturer’s data for standard outlet boxes up to six gang, including floor type demonstrating compliance with specification requirements and Drawings.

B. Shop Drawings: Submit drawings for special pull, outlet, and junction boxes demonstrating compliance with NEC and specification requirements. Drawings shall indicate box dimensions and locations in building.

1.03 QUALITY ASSURANCE

A. Comply with the following Codes and Standards:

1. NEMA 250

2. NFPA 70

3. UL listing for materials.

PART 2 -- PRODUCTS

2.01 ACCEPTABLE MANUFACTURERS

A. Appleton Electric

B. Crouse-Hinds

C. Killark

D. Raco

E. Hoffman Engineering Co.

F. O.Z. Gedney Co.

G. Steel City

H. Hubbell

I. Rittal

J. Saginaw

2.02 MATERIALS

A. Outlet boxes for concealed conduits and flush-mounted wiring devices shall meet the following requirements:

16130-2 November 22, 2023

1. Stamped, one piece, galvanized steel.

2. Proper size and shape for conduits entering them.

3. UL listed for their application.

4. ANSI/NEMA OS-1 for galvanized steel; ANSI/NEMA OS-2 for non-metallic.

B. Outlet boxes for exposed conduit systems and exterior locations shall be of the malleable iron type with tapered threaded hub type, suitable for the wiring devices to be installed. Covers (blank, switch, receptacle, etc.) shall be the type specifically designed to fit the specified boxes.

C. Above grade electrical junction and pull boxes shall be sheet metal with an ANSI

61 gray color with size and type as indicated on the Drawings. NEMA rating shall be as indicated on the Drawings. Where a NEMA rating is not indicated, outdoor boxes shall be NEMA 3R. Box sizes shall be as indicated on the Drawings. Where sizes are not indicated or larger size is required to meet code, the box size shall be increased as required by the National Electrical Code.

D. Wireways:

1. Wireways shall be sized as indicated on the Drawings or as required by the National Electrical Code. Where sizes are not indicated or larger size is required to meet code, the wireway shall be sized such that the cross-sectional area of the wireway at any one point does not exceed 40% per the National Electrical Code.

2. Cover: Hinged with removable latches where feasible.

3. UL listed for steel enclosed wireway or auxiliary gutter.

4. Furnished complete with covers, elbows, tees, junction boxes, end covers, connectors and hangers.

5. Unless otherwise indicated, wireways shall be NEMA 1 for indoor applications and NEMA 3R for outdoor and NEMA 4X for corrosive atmospheres.

6. Wireways in outdoor locations shall be fully gasketed.

E. Underground junction boxes:

1. Construction: Electric underground junction boxes shall be precast concrete and size as indicated on the Drawings. Underground junction boxes shall have precast concrete extensions. Where sizes are not indicated or larger size is required to meet code, the underground box size shall be increased as required by the National Electrical Code.

2. Covers: Covers shall be rectangular, reinforced concrete and have the text

“ELECTRIC” cast into the cover.

3. Approved Manufacturer: Christy, or equal.

F. Fittings, hangers, fastenings, etc., shall be of material that will prevent chemical reaction between itself and conduit or device it is fastening or supporting.

16130-3 November 22, 2023

3.01 BOX LOCATIONS

A. Location of Boxes: In order that boxes may be placed in proper locations, the

Contractor shall familiarize himself with the details of these spaces and carefully lay out boxes so that the equipment or piping of other trades passing under, over, across or in close proximity to same, will not cause these boxes to be inaccessible for use or maintenance. Contractor shall consult with other Contractors and trades on the project and obtain details of the project to locate outlet boxes properly.

B. Contractor shall be responsible for the exact and proper location of the various portions of his work. Consult the Drawing and details.

C. Mounting Heights: The exact mounting height of each switch, receptacle, light fixture outlet, etc., shall be confirmed on the premises in conference with the

Engineer. Unless otherwise indicated, receptacles to be mounted at 18-inches and light switches to be mounted at 42-inches above finished floor/grade.

3.02 INSTALLATION

A. No thru-boxes shall be permitted.

B. Boxes shall meet the following requirements:

1. Proper size and shape for conduits entering them.

2. Installed so that device and/or cover plates shall be tight and plumb with wall finish.

3. Have unused openings closed with knock-out closures.

4. Securely fastened to building or structure.

C. Surface-mounted outlet boxes shall meet the following requirements:

1. Outdoor boxes shall be cast steel or cast aluminum with threaded hubs.

a. Fastened with not less than two Paine, Phillips, Ackermann-Johnson, or equivalent, screw anchors and round head machine screws on brick and concrete walls or ceilings.

b. Under no circumstances will drilling of cast boxes be allowed.

c. PVC coated boxes shall be used for installations with PVC coated rigid steel conduit.

d. Be provided with a vapor-proof gasket in wet locations or where indicated as “WP” (weatherproof) on the Drawings.

e. Install a weatherproof-while-in-use cover on all outdoor receptacles.

2. Bell boxes may be used for indoor applications where rigid steel or IMC conduit is required.

D. Bracket outlets shall be level and centered on columns or above doors when installed in these locations.

E. Flush-mounted outlet boxes shall:

1. Be solid ganged boxes for more than two devices.

16130-4 November 22, 2023

2. Contain a plaster ring to bring the wiring device attachment points within

¼-inch of the finished wall surface.

3. Be installed so that device covers are tight and plumb with wall finish.

4. Be installed as close as possible to the lock side of door trim for light switches.

F. Pull boxes and junction boxes shall be:

1. Installed in runs of conduit more than 100-feet in length or the equivalent of four 90-degree bends.

2. Entirely accessible.

3. Securely mounted to building structure independent of the conduits connected to them.

16140-1 November 22, 2023

SECTION 16140

WIRING DEVICES

PART 1 -- GENERAL

1.01 SUMMARY

A. Section Includes: Wiring devices such as but not necessarily limited to power receptacles and light switches.

1.02 SUBMITTALS

A. Product Data: Submit manufacturer’s data for each wiring device including device covers demonstrating compliance with these Specifications and UL labeling.

1.03 QUALITY ASSURANCE

A. Comply with the following Codes and standards:

1. NEMA

2. UL listing

3. NFPA 70

PART 2 -- PRODUCTS

2.01 ACCEPTABLE MANUFACTURERS

A. Hubbell

B. Leviton

C. Bryant

D.…