W912QR25RA023_Specs_V2-0000.pdf

Solicitation For Conroe Army Reserve Center Microgrid Conroe, TX

P2: 505014

Design-Bid-Build

Specifications Vol. 2 (Div. 26-33) Certified Final Design

31 March 2025

W912QR25RA023

ARIMS: 200A

Disposition: Maintain for 15yrs after construction

W912QR25RA023_Specs_V2-0000

Signature Page

01/22/2025 01/22/2025

Pages or sheets covered by this seal:

00 10 00, 00 80 00.00 06, 01 32 01.00 06, 01 33 00, 01 35 26.00 06, 01 42 00, 01 45 00.15 10, 01 45 04.10 06, 01 50 00, 01 57 19.00 06, 01 74 19, 01 78 23

Pages or sheets covered by this seal:

01 45 35, 03 30 00, 03 62 16, 05 05 20, 05 12 00, 05 50 13, 05 51 00, 05 51 33, 05 52 00, 13 34 19, 31 63 29

01/22/2025 01/22/2025 Pages or sheets covered by this seal:

01 46 00.00 07, 25 08 20, 27 10 00.00 48, 33 82 00.00 48

Pages or sheets covered by this seal:

02 41 00, 31 00 00, 31 10 00, 31 11 00, 31 23 00.00 20, 32 11 23, 32 12 13, 32 12 16.16, 32 16 19, 32 31 13, 32 92 19, 33 11 00, 33 40 00

01/22/2025Date:

01/22/2025 01/22/2025 Pages or sheets covered by this seal:

09 90 00, 23 03 00.00 20, 23 07 00, 33 11 23

Pages or sheets covered by this seal:

25 05 11.01, 25 05 11.02, 25 05 11.03, 25 05 11.04, 25 08 10

01/22/2025 01/22/2025 Pages or sheets covered by this seal:

26 05 00.00 40, 26 05 19.00 10, 26 05 26.00 40, 26 05 71.00 40, 26 05 73 26 08 00, 26 13 14, 26 20 00, 26 23 00, 26 31 00, 26 32 15.00, 26 41 00, 26 51 00, 26 56 00, 33 71 02

Pages or sheets covered by this seal:

28 31 70

1/

/2

01/22/2025

Shaw n Olphin

Digitally signed by Shawn Olphin Date:

2025.01.21 15:40:26 -07'00'

P2: 505014, Microgrid Design 750KWDC Conroe ARC Conroe, TX

PROJECT TABLE OF CONTENTS Page 1

CERTIFIED FINAL

PROJECT TABLE OF CONTENTS

VOLUME 1

DIVISION 00 - PROCUREMENT AND CONTRACTING REQUIREMENTS

00 10 00 PRICE BREAKOUT SCHEDULE

00 80 00.00 06 04/21, CHG 1: 06/23 SPECIAL PROVISIONS

DIVISION 01 - GENERAL REQUIREMENTS

01 32 01.00 06 10/23 PROJECT SCHEDULE

01 33 00 08/18, CHG 4: 02/21 SUBMITTAL PROCEDURES

01 35 26.00 06 GOVERNMENT SAFETY REQUIREMENTS

01 42 00 02/19 SOURCES FOR REFERENCE PUBLICATIONS

01 45 00.15 10 11/16, CHG 2: 08/19 RESIDENT MANAGEMENT SYSTEM CONTRACTOR

MODE (RMS CM)

01 45 04.10 06 CONTRACTOR QUALITY CONTROL

01 45 35 11/20 SPECIAL INSPECTIONS

01 46 00.00 07 05/23 COMMISSIONING - MICROGRID

01 50 00 11/20, CHG 2: 08/22 TEMPORARY CONSTRUCTION FACILITIES AND

CONTROLS

01 57 19.00 06 04/20 TEMPORARY ENVIRONMENTAL CONTROLS AND

PERMITS

01 74 19 02/19, CHG 3: 11/21 CONSTRUCTION WASTE MANAGEMENT AND

DISPOSAL

01 78 23 08/15, CHG 2: 08/21 OPERATION AND MAINTENANCE DATA

DIVISION 02 - EXISTING CONDITIONS

02 41 00 08/22 DEMOLITION AND DECONSTRUCTION

DIVISION 03 – CONCRETE

03 30 00 02/19, CHG 4: 08/22 CAST-IN-PLACE CONCRETE

03 62 16 02/18 METALLIC NON-SHRINK GROUTING

DIVISION 05 – METALS

05 05 20 05/22 POST-INSTALLED CONCRETE AND MASONRY

ANCHORS

05 12 00 08/18, CHG 2: 05/21 STRUCTURAL STEEL

05 50 13 05/17, CHG 1: 08/18 MISCELLANEOUS METAL FABRICATIONS

05 51 00 02/17, CHG 1: 05/17 METAL STAIRS

05 51 33 02/16, CHG 2: 02/18 METAL LADDERS

05 52 00 02/18, CHG 1: 02/20 METAL RAILINGS

DIVISION 09 – FINISHES

09 90 00 02/21 PAINTS AND COATINGS

DIVISION 13 - SPECIAL CONSTRUCTION

13 34 19 08/20, CHG 1: 02/21 METAL CARPORT SYSTEMS

PROJECT TABLE OF CONTENTS Page 2

CERTIFIED FINAL

DIVISION 23 - HEATING, VENTILATING, AND AIR CONDITIONING (HVAC)

23 03 00.00 20 08/10, CHG 3: 08/18 BASIC MECHANICAL MATERIALS AND METHODS

23 07 00 02/13, CHG 7: 05/20 THERMAL INSULATION FOR MECHANICAL

SYSTEMS

DIVISION 25 - INTEGRATED AUTOMATION

25 05 11.01 05/21, CHG 1: 08/23 CYBERSECURITY FOR MICROGRID FACILITY-

RELATED CONTROL SYSTEMS

25 05 11.02 05/21, CHG 1: 08/23 CYBERSECURITY FOR EEDRS FACILITY-

RELATED CONTROL SYSTEMS

25 05 11.03 05/21, CHG 1: 08/23 CYBERSECURITY FOR FLS FACILITY-RELATED

CONTROL SYSTEMS

25 05 11.04 05/21, CHG 1: 08/23 CYBERSECURITY FOR HVAC DDC FACILITY-

25 08 10 05/21

25 08 20 05/21

DIVISION 26 – ELECTRICAL

26 05 00.00 40 11/20 26 05 19.00 10 11/22 26 05 26.00 40 08/19

26 05 71.00 40 02/17

26 08 00 11/22 26 13 14 11/21

RELATED CONTROL SYSTEMS

UTILITY MONITORING AND CONTROL SYSTEM

TESTING

MICROGRID CONTROL SYSTEM

COMMON WORK RESULTS FOR ELECTRICAL

INSULATED WIRE AND CABLE

GROUNDING AND BONDING FOR ELECTRICAL

SYSTEMS

LOW VOLTAGE OVERCURRENT PROTECTIVE

DEVICES

POWER SYSTEM STUDIES

APPARATUS INSPECTION AND TESTING

SWITCHGEAR HOUSE

VOLUME 2

26 20 00 08/19, CHG 3: 11/21 INTERIOR DISTRIBUTION SYSTEM

26 23 00 05/15, CHG 2: 11/19 LOW-VOLTAGE SWITCHGEAR

26 31 00 11/21 FACILITY-SCALE SOLAR PHOTOVOLTAIC (PV)

SYSTEMS

26 32 15.00 05/20 ENGINE-GENERATOR SET STATIONARY 15-2500

KW, WITH AUXILIARIES

26 41 00 11/13 LIGHTNING PROTECTION SYSTEM

26 51 00 05/20, CHG 2: 11/21 INTERIOR LIGHTING

26 56 00 08/21 EXTERIOR LIGHTING

DIVISION 27 – COMMUNICATIONS

27 10 00.00 48 10/20 BUILDING TELECOMMUNICATIONS CABLING

SYSTEM

DIVISION 28 - ELECTRONIC SAFETY AND SECURITY

28 31 70 08/20 INTERIOR FIRE ALARM SYSTEM, ADDRESSABLE

DIVISION 31 – EARTHWORK

31 00 00 08/23 EARTHWORK

31 10 00 02/21 SITE CLEARING

26 05 73 08/23

PROJECT TABLE OF CONTENTS Page 3

31 11 00 11/18 CLEARING AND GRUBBING

31 23 00.00 20 02/11, CHG 2: 08/15 EXCAVATION AND FILL

31 63 29 11/19 DRILLED CONCRETE PIERS AND SHAFTS

DIVISION 32 - EXTERIOR IMPROVEMENTS

32 11 23 05/22 AGGREGATE BASE COURSE FOR FLEXIBLE

PAVING

32 12 13 05/17 BITUMINOUS TACK AND PRIME COATS

32 12 16.16 11/20 ROAD-MIX ASPHALT PAVING

32 16 19 05/18 CONCRETE CURBS, GUTTERS AND SIDEWALKS

32 31 13 11/21 CHAIN LINK FENCES AND GATES

32 92 19 08/17, CHG 1: 08/21 SEEDING

DIVISION 33 – UTILITIES

33 11 00 02/18, CHG 1: 02/22 WATER UTILITY DISTRIBUTION PIPING

33 11 23 11/09, CHG 1: 08/17 NATURAL GAS AND LIQUID PETROLEUM PIPING

33 40 00 11/21 STORMWATER UTILITIES

33 71 02 08/21 UNDERGROUND ELECTRICAL DISTRIBUTION

33 82 00.00 48 04/20 TELECOMMUNICATIONS OUTSIDE PLANT (OSP)

APPENDIX

CONTROL CORRELATION IDENTIFIERS

-- End of Project Table of Contents --

SECTION TABLE OF CONTENTS

DIVISION 26 - ELECTRICAL

SECTION 26 20 00

INTERIOR DISTRIBUTION SYSTEM

08/19, CHG 3: 11/21

PART 1 GENERAL

1.1 REFERENCES

1.2 DEFINITIONS

1.3 SUBMITTALS

1.4 QUALITY ASSURANCE

1.4.1 Fuses

1.4.2 Regulatory Requirements

1.4.3 Standard Products

1.4.3.1 Alternative Qualifications

1.4.3.2 Material and Equipment Manufacturing Date

1.5 MAINTENANCE

1.5.1 Electrical Systems

1.6 WARRANTY

PART 2 PRODUCTS

2.1 MATERIALS AND EQUIPMENT

2.2 CONDUIT AND FITTINGS

2.2.1 Rigid Metallic Conduit

2.2.1.1 Rigid, Threaded Zinc-Coated Steel Conduit

2.2.1.2 Rigid Aluminum Conduit

2.2.2 Rigid Nonmetallic Conduit

2.2.3 Intermediate Metal Conduit (IMC)

2.2.4 Electrical, Zinc-Coated Steel Metallic Tubing (EMT)

2.2.5 Plastic-Coated Rigid Steel and IMC Conduit

2.2.6 Flexible Metal Conduit

2.2.6.1 Liquid-Tight Flexible Metal Conduit, Steel

2.2.7 Fittings for Metal Conduit, EMT, and Flexible Metal Conduit

2.2.7.1 Fittings for Rigid Metal Conduit and IMC

2.2.7.2 Fittings for EMT

2.2.8 Fittings for Rigid Nonmetallic Conduit

2.2.9 Liquid-Tight Flexible Nonmetallic Conduit

2.3 SURFACE RACEWAY

2.3.1 Surface Metal Raceway

2.3.2 Surface Nonmetallic Raceway

2.4 CABINETS, JUNCTION BOXES, AND PULL BOXES

2.5 WIRES AND CABLES

2.5.1 Conductors

2.5.1.1 Equipment Manufacturer Requirements

2.5.2 Color Coding

2.5.2.1 Ground and Neutral Conductors

2.5.2.2 Ungrounded Conductors

2.5.3 Insulation

2.5.4 Bonding Conductors

2.6 DEVICE PLATES

SECTION 26 20 00 Page 1

2.7 SWITCHES

2.7.1 Toggle Switches

2.7.2 Switch with Red Pilot Handle

2.7.3 Breakers Used as Switches

2.7.4 Disconnect Switches

2.8 FUSES

2.8.1 Fuseholders

2.8.2 Cartridge Fuses, Current Limiting Type (Class R)

2.8.3 Cartridge Fuses, High-Interrupting Capacity, Current Limiting

Type (Classes J, L, and CC)

2.8.4 Cartridge Fuses, Current Limiting Type (Class T)

2.9 RECEPTACLES

2.9.1 Weatherproof Receptacles

2.9.2 Ground-Fault Circuit Interrupter Receptacles

2.10 PANELBOARDS

2.10.1 Enclosure

2.10.2 Panelboard Buses

2.10.2.1 Panelboard Neutrals for Non-Linear Loads

2.10.3 Circuit Breakers

2.10.3.1 Multipole Breakers

2.10.3.2 Circuit Breaker With Ground-Fault Circuit Interrupter

2.11 ENCLOSED CIRCUIT BREAKERS

2.12 MOTOR SHORT-CIRCUIT PROTECTOR (MSCP)

2.13 TRANSFORMERS

2.13.1 Specified Transformer Efficiency

2.14 MOTORS

2.14.1 High Efficiency Single-Phase Motors

2.14.2 Premium Efficiency Polyphase and Single-Phase Motors

2.14.3 Motor Sizes

2.14.4 Wiring and Conduit

2.15 MOTOR CONTROLLERS

2.15.1 Control Wiring

2.15.2 Control Circuit Terminal Blocks

2.15.2.1 Types of Terminal Blocks

2.15.3 Control Circuits

2.15.4 Enclosures for Motor Controllers

2.15.5 Multiple-Speed Motor Controllers and Reversible Motor

Controllers

2.15.6 Pushbutton Stations

2.15.7 Pilot and Indicating Lights

2.16 LOCKOUT REQUIREMENTS

2.17 TELECOMMUNICATIONS SYSTEM

2.18 GROUNDING AND BONDING EQUIPMENT

2.18.1 Ground Rods

2.18.2 Ground Bus

2.18.3 Secondary Bonding Busbar

2.19 HAZARDOUS LOCATIONS

2.20 MANUFACTURER'S NAMEPLATE

2.21 FIELD FABRICATED NAMEPLATES

2.22 WARNING SIGNS

2.23 WIREWAYS

2.24 METERING

2.25 METER BASE ONLY

2.26 SURGE PROTECTIVE DEVICES

2.27 FACTORY APPLIED FINISH

2.28 SOURCE QUALITY CONTROL

2.28.1 Transformer Factory Tests

2.29 COORDINATED POWER SYSTEM PROTECTION

SECTION 26 20 00 Page 2

PART 3 EXECUTION

3.1 INSTALLATION

3.1.1 Underground Service

3.1.2 Hazardous Locations

3.1.3 Service Entrance Identification

3.1.3.1 Labels

3.1.4 Wiring Methods

3.1.4.1 Pull Wire

3.1.5 Conduit Installation

3.1.5.1 Restrictions Applicable to Aluminum Conduit

3.1.5.2 Restrictions Applicable to EMT

3.1.5.3 Restrictions Applicable to Nonmetallic Conduit

3.1.5.4 Underground Conduit

3.1.6 Watthour Meters

3.1.7 Surge Protective Devices

3.2 FIELD FABRICATED NAMEPLATE MOUNTING

3.3 WARNING SIGN MOUNTING

3.4 FIELD APPLIED PAINTING

3.5 FIELD QUALITY CONTROL

3.5.1 Devices Subject to Manual Operation

3.5.2 600-Volt Wiring Test

3.5.3 Transformer Tests

3.5.4 Ground-Fault Receptacle Test

3.5.5 Arc-Fault Receptacle Test

3.5.6 Grounding System Test

3.5.7 Watthour Meter

3.5.8 Phase Rotation Test

-- End of Section Table of Contents --

SECTION 26 20 00 Page 3

SECTION 26 20 00

INTERIOR DISTRIBUTION SYSTEM

08/19, CHG 3: 11/21

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 NATIONAL STANDARDS INSTITUTE (ANSI)

ANSI C12.1 (2014; Errata 2016) Electric Meters - Code for Electricity Metering

ASTM INTERNATIONAL (ASTM)

ASTM B1 (2013) Standard Specification for Hard-Drawn Copper Wire

ASTM B8 (2011; R 2017) Standard Specification for Concentric-Lay-Stranded Copper Conductors, Hard, Medium-Hard, or Soft

ASTM D709 (2017) Standard Specification for Laminated Thermosetting Materials

INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS (IEEE)

IEEE 100 (2000; Archived) The Authoritative Dictionary of IEEE Standards Terms

IEEE C2 (2023) National Electrical Safety Code

INTERNATIONAL ELECTRICAL TESTING ASSOCIATION (NETA)

NETA ATS (2021) Standard for Acceptance Testing Specifications for Electrical Power Equipment and Systems

NATIONAL ELECTRICAL CONTRACTORS ASSOCIATION (NECA)

NECA NEIS 1 (2015) Standard for Good Workmanship in Electrical Construction

NATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION (NEMA)

ANSI C12.7 (2014) Requirements for Watthour Meter Sockets

ANSI C80.1 (2020) American National Standard for Electrical Rigid Steel Conduit (ERSC)

ANSI C80.3 (2020) American National Standard for

SECTION 26 20 00 Page 4

Electrical Metallic Tubing (EMT)

ANSI C80.5 (2020) American National Standard for Electrical Rigid Aluminum Conduit

NEMA 250 (2020) Enclosures for Electrical Equipment (1000 Volts Maximum)

NEMA FU 1 (2012) Low Voltage Cartridge Fuses

NEMA ICS 1 (2022) Standard for Industrial Control and Systems: General Requirements

NEMA ICS 2 (2000; R 2020) Industrial Control and Systems Controllers, Contactors, and Overload Relays Rated 600 V

NEMA ICS 4 (2015) Application Guideline for Terminal Blocks

NEMA ICS 6 (1993; R 2016) Industrial Control and Systems: Enclosures

NEMA KS 1 (2013) Enclosed and Miscellaneous Distribution Equipment Switches (600 V Maximum)

NEMA MG 1 (2021) Motors and Generators

NEMA MG 10 (2017) Energy Management Guide for Selection and Use of Fixed Frequency Medium AC Squirrel-Cage Polyphase Induction Motors

NEMA MG 11 (1977; R 2012) Energy Management Guide for Selection and Use of Single Phase Motors

NEMA RN 1 (2005; R 2013) Polyvinyl-Chloride (PVC) Externally Coated Galvanized Rigid Steel Conduit and Intermediate Metal Conduit

NEMA ST 20 (2014) Dry-Type Transformers for General Applications

NEMA TC 2 (2020) Standard for Electrical Polyvinyl Chloride (PVC) Conduit

NEMA TC 3 (2021) Polyvinyl Chloride (PVC) Fittings for Use With Rigid PVC Conduit and Tubing

NEMA WD 1 (1999; R 2020) Standard for General Color Requirements for Wiring Devices

NEMA WD 6 (2021) Wiring Devices Dimensions Specifications

NEMA Z535.4 (2011; R 2017) Product Safety Signs and Labels

SECTION 26 20 00 Page 5

NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)

NFPA 70 (2023) National Electrical Code

NFPA 70E (2021) Standard for Electrical Safety in the Workplace

TELECOMMUNICATIONS INDUSTRY ASSOCIATION (TIA)

TIA-569 (2019e; Add 1 2022) Telecommunications Pathways and Spaces

TIA-607 (2019d) Generic Telecommunications Bonding and Grounding (Earthing) for Customer Premises

U.S. NATIONAL ARCHIVES AND RECORDS ADMINISTRATION (NARA)

10 CFR 431 Energy Efficiency Program for Certain Commercial and Industrial Equipment

29 CFR 1910.147 The Control of Hazardous Energy (Lock Out/Tag Out)

29 CFR 1910.303 Electrical, General

UNDERWRITERS LABORATORIES (UL)

UL 1 (2005; Reprint Jan 2022) UL Standard for Safety Flexible Metal Conduit

UL 5 (2016; Reprint Jul 2022) UL Standard for Safety Surface Metal Raceways and Fittings

UL 5A (2015; Reprint Aug 2020) Nonmetallic Surface Raceways and Fittings

UL 6 (2022) UL Standard for Safety Electrical Rigid Metal Conduit-Steel

UL 6A (2008; Reprint Mar 2021) UL Standard for Safety Electrical Rigid Metal Conduit - Aluminum, Red Brass, and Stainless Steel

UL 20 (2018; Reprint Jan 2021) UL Standard for Safety General-Use Snap Switches

UL 44 (2018; Reprint May 2021) UL Standard for Safety Thermoset-Insulated Wires and Cables

UL 50 (2015) UL Standard for Safety Enclosures for Electrical Equipment, Non-Environmental Considerations

UL 67 (2018; Reprint Jul 2020) UL Standard for Safety Panelboards

UL 83 (2017; Reprint Mar 2020) UL Standard for Safety Thermoplastic-Insulated Wires and

SECTION 26 20 00 Page 6

Cables

UL 248-4 (2010; Reprint Apr 2019) Low-Voltage Fuses

- Part 4: Class CC Fuses

UL 248-8 (2011; Reprint Aug 2020) Low-Voltage Fuses

- Part 8: Class J Fuses

UL 248-10 (2011; Reprint Aug 2020) Low-Voltage Fuses

- Part 10: Class L Fuses

UL 248-12 (2011; Reprint Aug 2020) Low Voltage Fuses

- Part 12: Class R Fuses

UL 248-15 (2018) Low-Voltage Fuses - Part 15: Class T Fuses

UL 360 (2013; Reprint Aug 2021) UL Standard for Safety Liquid-Tight Flexible Metal Conduit

UL 467 (2022) UL Standard for Safety Grounding and Bonding Equipment

UL 489 (2016; Rev 2019) UL Standard for Safety Molded-Case Circuit Breakers, Molded-Case Switches and Circuit-Breaker Enclosures

UL 498 (2017) UL Standard for Safety Attachment Plugs and Receptacles

UL 506 (2017; Reprint Jan 2022) UL Standard for Safety Specialty Transformers

UL 508 (2018; Reprint Jul 2021) UL Standard for Safety Industrial Control Equipment

UL 514B (2012; Reprint May 2020) Conduit, Tubing and Cable Fittings

UL 651 (2011; Reprint May 2022) UL Standard for Safety Schedule 40, 80, Type EB and A Rigid PVC Conduit and Fittings

UL 674 (2022) UL Standard for Safety Electric Motors and Generators for Use in Hazardous (Classified) Locations

UL 797 (2007; Reprint Mar 2021) UL Standard for Safety Electrical Metallic Tubing -- Steel

UL 869A (2006; Reprint Jun 2020) Reference Standard for Service Equipment

UL 870 (2016; Reprint Mar 2019) UL Standard for Safety Wireways, Auxiliary Gutters, and Associated Fittings

UL 943 (2016; Reprint Feb 2018) UL Standard for Safety Ground-Fault Circuit-Interrupters

SECTION 26 20 00 Page 7

UL 984 (1996; Reprint Sep 2005) Hermetic Refrigerant Motor-Compressors

UL 1063 (2017; Reprint Jun 2022) UL Standard for Safety Machine-Tool Wires and Cables

UL 1203 (2013; Reprint Apr 2022) UL Standard for Safety Explosion-Proof and Dust-Ignition-Proof Electrical Equipment for Use in Hazardous (Classified) Locations

UL 1242 (2006; Reprint Apr 2022) UL Standard for Safety Electrical Intermediate Metal Conduit -- Steel

UL 1449 (2021; Reprint Dec 2022) UL Standard for Safety Surge Protective Devices

UL 1660 (2019; Reprint Jan 2022) Liquid-Tight Flexible Nonmetallic Conduit

UL 1699 (2017; Reprint Feb 2022) UL Standard for Safety Arc-Fault Circuit-Interrupters

UL 4248-1 (2022) UL Standard for Safety Fuseholders

- Part 1: General Requirements

UL 4248-12 (2018; Reprint Feb 2022) UL Standard for Safety Fuseholders - Part 12: Class R

1.2 DEFINITIONS

Unless otherwise specified or indicated, electrical and electronics terms used in these specifications, and on the drawings, are as defined in

IEEE 100 .

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.

Submit the following in accordance with Section 01 33 00 SUBMITTAL

PROCEDURES:

SD-02 Shop Drawings

Panelboards; G

Transformers; G

Wireways; G

SD-03 Product Data

Receptacles; G

Circuit Breakers; G

SECTION 26 20 00 Page 8

Switches; G

Transformers; G

Enclosed Circuit Breakers; G

Motor Controllers; G

Metering; G

Meter Base Only; G

Secondary Bonding Busbar; G

Surge Protective Devices; G

SD-06 Test Reports

600-volt Wiring Test; G

Grounding System Test; G

Transformer Tests; G

Ground-fault Receptacle Test; G

Arc-fault Receptacle Test; G

SD-07 Certificates

Fuses; G

SD-09 Manufacturer's Field Reports

Transformer Factory Tests

SD-10 Operation and Maintenance Data

Electrical Systems, Data Package 5; G

Metering, Data Package 5; G

1.4 QUALITY ASSURANCE

1.4.1 Fuses

Submit coordination data as specified in paragraph, FUSES of this section.

1.4.2 Regulatory Requirements

In each of the publications referred to herein, consider the advisory provisions to be mandatory, as though the word, "must" 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. Provide equipment, materials, installation, and workmanship in accordance with NFPA 70 unless more stringent requirements are specified or indicated. NECA NEIS 1 shall be considered the minimum standard for workmanship.

SECTION 26 20 00 Page 9

1.4.3 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 and:

a. Have been in satisfactory commercial or industrial use for 2 years prior to bid opening including applications of equipment and materials under similar circumstances and of similar size.

b. Have been on sale on the commercial market through advertisements, manufacturers' catalogs, or brochures during the 2-year period.

c. Where two or more items of the same class of equipment are required, provide products of a single manufacturer; however, the component parts of the item need not be the products of the same manufacturer unless stated in this section.

1.4.3.1 Alternative Qualifications

Products having less than a 2-year field service record will be acceptable if a certified record of satisfactory field operation for not less than 6000 hours, exclusive of the manufacturers' factory or laboratory tests, is furnished.

1.4.3.2 Material and Equipment Manufacturing Date

Products manufactured more than 3 years prior to date of delivery to site are not acceptable.

1.5 MAINTENANCE

1.5.1 Electrical Systems

Submit operation and maintenance data in accordance with Section 01 78 23, OPERATION AND MAINTENANCE DATA and as specified herein. Submit operation and maintenance manuals for electrical systems that provide basic data relating to the design, operation, and maintenance of the electrical distribution system for the building. Include the following:

a. Single line diagram of the "as-built" building electrical system.

b. Schematic diagram of electrical control system (other than HVAC, covered elsewhere).

c. Manufacturers' operating and maintenance manuals on active electrical equipment.

1.6 WARRANTY

Provide equipment items supported by service organizations that are reasonably convenient to the equipment installation in order to render satisfactory service to the equipment on a regular and emergency basis during the warranty period of the contract.

SECTION 26 20 00 Page 10

PART 2 PRODUCTS

2.1 MATERIALS AND EQUIPMENT

As a minimum, meet requirements of UL, where UL standards are established for those items, and requirements of NFPA 70 for all materials, equipment, and devices.

2.2 CONDUIT AND FITTINGS

Conform to the following:

2.2.1 Rigid Metallic Conduit

2.2.1.1 Rigid, Threaded Zinc-Coated Steel Conduit

ANSI C80.1 , UL 6 .

2.2.1.2 Rigid Aluminum Conduit

ANSI C80.5 , UL 6A .

2.2.2 Rigid Nonmetallic Conduit

PVC Type EPC-40 in accordance with NEMA TC 2, UL 651 .

2.2.3 Intermediate Metal Conduit (IMC)

UL 1242 , zinc-coated steel only.

2.2.4 Electrical, Zinc-Coated Steel Metallic Tubing (EMT)

UL 797 , ANSI C80.3 .

2.2.5 Plastic-Coated Rigid Steel and IMC Conduit

NEMA RN 1, Type 40( 40 mils thick).

2.2.6 Flexible Metal Conduit

UL 1 , limited to 6 feet.

2.2.6.1 Liquid-Tight Flexible Metal Conduit, Steel

UL 360 , limited to 6 feet.

2.2.7 Fittings for Metal Conduit, EMT, and Flexible Metal Conduit

UL 514B . Ferrous fittings: cadmium- or zinc-coated in accordance with

UL 514B .

2.2.7.1 Fittings for Rigid Metal Conduit and IMC

Threaded-type. Split couplings unacceptable.

2.2.7.2 Fittings for EMT

Die Cast compression type.

SECTION 26 20 00 Page 11

2.2.8 Fittings for Rigid Nonmetallic Conduit

NEMA TC 3 for PVC, and UL 514B .

2.2.9 Liquid-Tight Flexible Nonmetallic Conduit

UL 1660 .

2.3 SURFACE RACEWAY

2.3.1 Surface Metal Raceway

UL 5 , two-piece painted steel, totally enclosed, snap-cover type. Provide multiple outlet-type raceway with grounding-type receptacle where indicated. Provide receptacles as specified herein, spaced a minimum of one every 18 inches.

2.3.2 Surface Nonmetallic Raceway

UL 5A , nonmetallic totally enclosed, snap-cover type.

2.4 CABINETS, JUNCTION BOXES, AND PULL BOXES

UL 50 ; volume greater than 100 cubic inches, NEMA Type 1 enclosure; sheet steel, hot-dip, zinc-coated. Where exposed to wet, damp, or corrosive environments, NEMA Type 3R.

2.5 WIRES AND CABLES

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 prior to date of delivery to site.

2.5.1 Conductors

Provide the following:

a. Conductor sizes and capacities shown are based on copper, unless indicated otherwise.

b. Conductors No. 8 AWG and larger diameter: stranded.

c. Conductors No. 10 AWG and smaller diameter: solid.

d. Conductors for remote control, alarm, and signal circuits, classes 1, 2, and 3: stranded unless specifically indicated otherwise.

e. All conductors: copper, unless type of conductor material is specifically indicated, or specified, or required by equipment manufacturer.

2.5.1.1 Equipment Manufacturer Requirements

When manufacturer's equipment requires copper conductors at the terminations or requires copper conductors to be provided between components of equipment, provide copper conductors or splices, splice boxes, and other work required to satisfy manufacturer's requirements.

SECTION 26 20 00 Page 12

2.5.2 Color Coding

Provide color coding for service, feeder, branch, control, and signaling circuit conductors.

2.5.2.1 Ground and Neutral Conductors

Provide color coding of ground and neutral conductors as follows:

a. Grounding conductors: Green.

b. Neutral conductors: White.

c. Exception, where neutrals of more than one system are installed in same raceway or box, other neutrals color coding: white with a different colored (not green) stripe for each.

2.5.2.2 Ungrounded Conductors

Provide color coding of ungrounded conductors in different voltage systems as follows:

a. 208/120 volt, three-phase

(1) Phase A - black

(2) Phase B - red

(3) Phase C - blue

b. 480/277 volt, three-phase

(1) Phase A - brown

(2) Phase B - orange

(3) Phase C - yellow

c. 120/240 volt, single phase: Black and red

2.5.3 Insulation

Unless specified or indicated otherwise or required by NFPA 70 , provide power and lighting wires rated for 600-volts, Type THWN/THHN conforming to UL 83 or Type XHHW 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 equipment or devices require 90-degree Centigrade (C) conductors, provide only conductors with 90-degree C insulation or better.

2.5.4 Bonding Conductors

ASTM B1, solid bare copper wire for sizes No. 8 AWG and smaller diameter;

ASTM B8, Class B, stranded bare copper wire for sizes No. 6 AWG and larger diameter.

2.6 DEVICE PLATES

Provide the following:

SECTION 26 20 00 Page 13

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: satin finish stainless steel or brushed-finish aluminum, minimum 0.03 inch thick.

e. Screws: machine-type with countersunk heads in color to match finish of plate.

f. Sectional type device plates are not be permitted.

g. Plates installed in wet locations: gasketed and UL listed for "wet locations."

2.7 SWITCHES

2.7.1 Toggle Switches

NEMA WD 1, UL 20 , single pole, double pole, and three-way, totally enclosed with bodies of thermoplastic or thermoset plastic and mounting strap with grounding screw. Include the following:

a. Handles: ivory thermoplastic.

b. Wiring terminals: screw-type, side-wired.

c. Contacts: silver-cadmium and contact arm - one-piece copper alloy.

d. Switches: rated quiet-type ac only, 120/277 volts, with current rating and number of poles indicated.

2.7.2 Switch with Red Pilot Handle

NEMA WD 1. Provide the following:

a. Pilot lights that are integrally constructed as a part of the switch's handle.

b. Pilot light color: red and illuminate whenever the switch is closed or "on".

c. Pilot lighted switch: rated 20 amps and 120 volts or 277 volts as indicated.

d. The circuit's neutral conductor to each switch with a pilot light.

2.7.3 Breakers Used as Switches

For 120- and 277-Volt fluorescent fixtures, mark breakers "SWD" in accordance with UL 489 .

SECTION 26 20 00 Page 14

2.7.4 Disconnect Switches

NEMA KS 1. Provide heavy duty-type switches where indicated, where switches are rated higher than 240 volts, and for double-throw switches.

Utilize Class R fuseholders and fuses for fused switches, unless indicated otherwise. Provide horsepower rated for switches serving as the motor-disconnect means. Provide switches in NEMA 1 3R, enclosure.

2.8 FUSES

NEMA FU 1. Provide complete set of fuses for each fusible switch panel and control center. Coordinate time-current characteristics curves of fuses serving motors or connected in series with circuit breakers or other circuit protective devices for proper operation. Submit coordination data for approval. Provide fuses with a voltage rating not less than circuit voltage.

2.8.1 Fuseholders

Provide in accordance with UL 4248-1 .

2.8.2 Cartridge Fuses, Current Limiting Type (Class R)

UL 248-12 , Class RK-1 RK-5 time-delay type. Provide only Class R associated fuseholders in accordance with UL 4248-12 .

2.8.3 Cartridge Fuses, High-Interrupting Capacity, Current Limiting Type (Classes J, L, and CC)

UL 248-8 , UL 248-10 , UL 248-4 , Class J for zero to 600 amperes, Class L for 601 to 6,000 amperes, and Class CC for zero to 30 amperes.

2.8.4 Cartridge Fuses, Current Limiting Type (Class T)

UL 248-15 , Class T for zero to 1,200 amperes, 300 volts; and zero to 800 amperes, 600 volts.

2.9 RECEPTACLES

Provide the following:

a. UL 498 , general purpose specification grade. Residential grade receptacles are not acceptable.

b. Ratings and configurations: as indicated.

c. Bodies: ivory as per NEMA WD 1.

d. Face and body: thermoplastic supported on a metal mounting strap.

e. Dimensional requirements: per NEMA WD 6.

f. Screw-type, side-wired wiring terminals or of the solderless pressure type having suitable conductor-release arrangement.

g. Grounding pole connected to mounting strap.

h. The receptacle: containing triple-wipe power contacts and double or triple-wipe ground contacts.

SECTION 26 20 00 Page 15

2.9.1 Weatherproof Receptacles

Provide receptacles, UL listed for use in "wet locations" with integral GFCI protection. Include cast metal box with gasketed, hinged, lockable and weatherproof while-in-use, polycarbonate, UV resistant/stabilized cover plate.

2.9.2 Ground-Fault Circuit Interrupter Receptacles

UL 943 , duplex type for mounting in standard outlet box. Provide device capable of detecting current leak when the current to ground is 6 milliamperes or higher, and tripping per requirements of UL 943 for Class A ground-fault circuit interrupter devices. Provide screw-type, side-wired wiring terminals or pre-wired (pigtail) leads.

2.10 PANELBOARDS

Provide panelboards in accordance with the following:

a. UL 67 and UL 50 .

b. Panelboards for use as service disconnecting: additionally conform to

UL 869A .

c. Panelboards: circuit breaker-equipped.

d. Designed such that individual breakers can be removed without disturbing adjacent units or without loosening or removing supplemental insulation supplied as means of obtaining clearances as required by UL.

e. Where "space only" is indicated, make provisions for future installation of breaker sized as indicated.

f. Directories: indicate load served by each circuit of panelboard.

g. Directories: indicate source of service (e.g. upstream panel, switchboard, motor control center) to panelboard.

h. Type directories and mount in holder behind transparent protective covering.

i. Panelboard nameplates: provided in accordance with paragraph FIELD

FABRICATED NAMEPLATES.

2.10.1 Enclosure

Provide panelboard enclosure in accordance with the following:

a. UL 50 .

b. Cabinets mounted outdoors or flush-mounted: hot-dipped galvanized after fabrication.

c. Cabinets: painted in accordance with paragraph PAINTING.

d. Outdoor cabinets: NEMA 4x with conduit hubs welded to the cabinet a removable steel plate 1/4 inch thick in the bottom for field drilling

SECTION 26 20 00 Page 16 for conduit connections.

e. Front edges of cabinets: form-flanged or fitted with structural shapes welded or riveted to the sheet steel, for supporting the panelboard front.

f. All cabinets: fabricated such that no part of any surface on the finished cabinet deviates from a true plane by more than 1/8 inch.

g. Holes: provided in the back of indoor surface-mounted cabinets, with outside spacers and inside stiffeners, for mounting the cabinets with a 1/2 inch clear space between the back of the cabinet and the wall surface.

h. Flush doors: mounted on hinges that expose only the hinge roll to view when the door is closed.

i. Each door: fitted with a combined catch and lock latch.

j. Keys: two provided with each lock, with all locks keyed alike.

k. Finished-head cap screws: provided for mounting the panelboard fronts on the cabinets.

2.10.2 Panelboard Buses

Support bus bars on bases independent of circuit breakers. Design main buses and back pans so that breakers may be changed without machining, drilling, or tapping. Provide isolated neutral bus in each panel for connection of circuit neutral conductors. Provide separate ground bus identified as equipment grounding bus per UL 67 for connecting grounding conductors; bond to steel cabinet. In addition to equipment grounding bus, provide second "isolated" ground bus, where indicated.

2.10.2.1 Panelboard Neutrals for Non-Linear Loads

Provide in accordance with the following:.

a. UL listed, with panelboard type specifically UL heat rise tested for use on non-linear loads.

b. Panelboard: heat rise tested in accordance with UL 67 , except with the neutral assembly installed and carrying 200 percent of the phase bus current during testing.

c. Verification of the testing procedure: provided upon request.

d. Two neutral assemblies paralleled together with cable is not acceptable.

e. Nameplates for panelboard rated for use on non-linear loads: marked "SUITABLE FOR NON-LINEAR LOADS" and in accordance with paragraph FIELD

FABRICATED NAMEPLATES.

f. Provide a neutral label with instructions for wiring the neutral of panelboards rated for use on non-linear loads.

SECTION 26 20 00 Page 17

2.10.3 Circuit Breakers

UL 489 , thermal magnetic-type having a minimum short-circuit current rating equal to the short-circuit current rating of the panelboard in which the circuit breaker will be mounted. Breaker terminals: UL listed as suitable for type of conductor provided. Where indicated on the drawings, provide circuit breakers with shunt trip devices. Series rated circuit breakers and plug-in circuit breakers are unacceptable.

2.10.3.1 Multipole Breakers

Provide common trip-type with single operating handle. Design breaker such that overload in one pole automatically causes all poles to open.

Maintain phase sequence throughout each panel so that any three adjacent breaker poles are connected to Phases A, B, and C, respectively.

2.10.3.2 Circuit Breaker With Ground-Fault Circuit Interrupter

UL 943 and NFPA 70 . Provide with auto-monitoring (self-test) and lockout features, "push-to-test" button, visible indication of tripped condition, and ability to detect and trip when current imbalance is 6 milliamperes or higher per requirements of UL 943 for Class A ground-fault circuit interrupter devices.

2.11 ENCLOSED CIRCUIT BREAKERS

UL 489 . Individual molded case circuit breakers with voltage and continuous current ratings, number of poles, overload trip setting, and short circuit current interrupting rating as indicated. Enclosure type as indicated.

2.12 MOTOR SHORT-CIRCUIT PROTECTOR (MSCP)

Motor short-circuit protectors, also called motor circuit protectors (MCPs): UL 508 and UL 489 , and provided as shown. Provide MSCPs that consist of an adjustable instantaneous trip circuit breaker used only in conjunction with a combination motor controller which provides coordinated motor branch-circuit overload and short-circuit protection. Rate MSCPs in accordance with the requirements of NFPA 70 .

2.13 TRANSFORMERS

Provide transformers in accordance with the following:

a. NEMA ST 20 , general purpose, dry-type, self-cooled, ventilated.

b. Provide transformers in NEMA 1 enclosure.

c. Taps for transformers 15 kVA and larger: Two 2.5 percent taps Full Capacity Above Nominal (FCAN) and four 2.5 percent taps Full Capacity Below Nominal (FCBN).

d. Transformer insulation system:

(1) 220 degrees C insulation system for transformers 15 kVA and greater, with temperature rise not exceeding 115 degrees C under full-rated load in maximum ambient of 40 degrees C.

(2) 180 degrees C insulation for transformers rated 10 kVA and less, SECTION 26 20 00 Page 18 with temperature rise not exceeding 80 degrees C under full-rated load in maximum ambient of 40 degrees C.

e. Transformer of 150 degrees C temperature rise is not acceptable.

f. Transformer of 115 degrees C temperature rise: capable of carrying continuously 115 percent of nameplate kVA without exceeding insulation rating.

g. Transformer of 80 degrees C temperature rise: capable of carrying continuously 130 percent of nameplate kVA without exceeding insulation rating.

h. Transformers: quiet type with maximum sound level at least 3 decibels less than NEMA standard level for transformer ratings indicated.

2.13.1 Specified Transformer Efficiency

Transformers, indicated and specified with: 480V primary, 80 degrees C or 115 degrees C temperature rise, kVA ratings of 37.5 to 100 for single phase or 30 to 500 for three phase, energy efficient type. The transformer is not acceptable if the calculated transformer efficiency is less than the efficiency indicated in 10 CFR 431 , Subpart K.

2.14 MOTORS

Provide motors in accordance with the following:

a. NEMA MG 1.

b. Hermetic-type sealed motor compressors: Also comply with UL 984 .

c. Provide the size in terms of HP, or kVA, or full-load current, or a combination of these characteristics, and other characteristics, of each motor as indicated or specified.

d. Determine specific motor characteristics to ensure provision of correctly sized starters and overload heaters.

e. Rate motors for operation on 208-volt, 3-phase circuits with a terminal voltage rating of 200 volts, and those for operation on 480-volt, 3-phase circuits with a terminal voltage rating of 460 volts.

f. Use motors designed to operate at full capacity with voltage variation of plus or minus 10 percent of motor voltage rating.

g. Unless otherwise indicated, use continuous duty type motors if rated 1 HP and above.

h. Where fuse protection is specifically recommended by the equipment manufacturer, provide fused switches in lieu of non-fused switches indicated.

i. Use Inverter-Rated motors designed to operate with adjustable speed drive (ASD).

SECTION 26 20 00 Page 19

2.14.1 High Efficiency Single-Phase Motors

Single-phase fractional-horsepower alternating-current motors: high efficiency types are not acceptable. In exception, for special purpose motors and motor-driven equipment with a minimum seasonal or overall efficiency rating, such as a SEER rating, provide equipment with motor to meet the overall system rating indicated.

2.14.2 Premium Efficiency Polyphase and Single-Phase Motors

Select polyphase and continuous-duty single phase motors based on high efficiency characteristics relative to typical characteristics and applications as listed in NEMA MG 10 and NEMA MG 11. In addition, continuous rated, polyphase squirrel-cage medium induction motors must meet the requirements for premium efficiency electric motors in accordance with NEMA MG 1, including the NEMA full load efficiency ratings. In exception, for motor-driven equipment with a minimum seasonal or overall efficiency rating, such as a SEER rating, provide equipment with motor to meet the overall system rating indicated.

2.14.3 Motor Sizes

Provide size for duty to be performed, not exceeding the full-load nameplate current rating when driven equipment is operated at specified capacity under most severe conditions likely to be encountered. When motor size provided differs from size indicated or specified, make adjustments to wiring, disconnect devices, and branch circuit protection to accommodate equipment actually provided. Provide controllers for motors rated 1-hp and above with electronic phase-voltage monitors designed to protect motors from phase-loss, undervoltage, and overvoltage. Provide protection for motors from immediate restart by a time adjustable restart relay.

2.14.4 Wiring and Conduit

Provide internal wiring for components of packaged equipment as an integral part of the equipment. Provide power wiring and conduit for field-installed equipment using adjustable speed drive (ASD) manufacturer required wiring type and length, and motor control equipment forming part of motor control centers or switchgear assemblies, the conduit and wiring connecting such centers, assemblies, or other power sources to equipment as specified herein. Power wiring and conduit: conform to the requirements specified herein. Control wiring: provided under, and conform to, the requirements of the section specifying the associated equipment.

2.15 MOTOR CONTROLLERS

Provide motor controllers in accordance with the following:

a. UL 508 , NEMA ICS 1 , and NEMA ICS 2 .

b. Provide controllers with thermal overload protection in each phase, and one spare normally open auxiliary contact, and one spare normally closed auxiliary contact.

c. Provide controllers for motors rated 1-hp and above with electronic phase-voltage monitors designed to protect motors from phase-loss, undervoltage, and overvoltage.

SECTION 26 20 00 Page 20

d. Provide protection for motors from immediate restart by a time adjustable restart relay.

e. When used with pressure, float, or similar automatic-type or maintained-contact switch, provide a hand/off/automatic selector switch with the controller.

f. Connections to selector switch: wired such that only normal automatic regulatory control devices are bypassed when switch is in "hand" position.

g. Safety control devices, such as low and high pressure cutouts, high temperature cutouts, and motor overload protective devices: connected in motor control circuit in "hand" and "automatic" positions.

h. Control circuit connections to hand/off/automatic selector switch or to more than one automatic regulatory control device: made in accordance with indicated or manufacturer's approved wiring diagram.

i. Provide selector switch with the means for locking in any position.

j. Provide a disconnecting means, capable of being locked in the open position, for the motor that is located in sight from the motor location and the driven machinery location. As an alternative, provide a motor controller disconnect, capable of being locked in the open position, to serve as the disconnecting means for the motor if it is in sight from the motor location and the driven machinery location.

k. Overload protective devices: provide adequate protection to motor windings; be thermal inverse-time-limit type; and include manual reset-type pushbutton on outside of motor controller case.

l. Cover of combination motor controller and manual switch or circuit breaker: interlocked with operating handle of switch or circuit breaker so that cover cannot be opened unless handle of switch or circuit breaker is in "off" position.

2.15.1 Control Wiring

Provide control wiring in accordance with the following:

a. All control wire: stranded tinned copper switchboard wire with 600-volt flame-retardant insulation Type SIS meeting UL 44 , or Type MTW meeting UL 1063 , and passing the VW-1 flame tests included in those standards.

b. Hinge wire: Class K stranding.

c. Current transformer secondary leads: not smaller than No. 10 AWG.

d. Control wire minimum size: No. 14 AWG.

e. Power wiring for 480-volt circuits and below: the same type as control wiring with No. 12 AWG minimum size.

f. Provide wiring and terminal arrangement on the terminal blocks to permit the individual conductors of each external cable to be terminated on adjacent terminal points.

SECTION 26 20 00 Page 21

2.15.2 Control Circuit Terminal Blocks

Provide control circuit terminal blocks in accordance with the following:

a. NEMA ICS 4 .

b. Control circuit terminal blocks for control wiring: molded or fabricated type with barriers, rated not less than 600 volts.

c. Provide terminals with removable binding, fillister or washer head screw type, or of the stud type with contact and locking nuts.

d. Terminals: not less than No. 10 in size with sufficient length and space for connecting at least two indented terminals for 10 AWG conductors to each terminal.

e. Terminal arrangement: subject to the approval of the Contracting Officer with not less than four spare terminals or 10 percent, whichever is greater, provided on each block or group of blocks.

f. Modular, pull apart, terminal blocks are acceptable provided they are of the channel or rail-mounted type.

g. Submit data showing that any proposed alternate will accommodate the specified number of wires, are of adequate current-carrying capacity, and are constructed to assure positive contact between current-carrying parts.

2.15.2.1 Types of Terminal Blocks

a. Short-Circuiting Type: Short-circuiting type terminal blocks:

furnished for all current transformer secondary leads with provision for shorting together all leads from each current transformer without first opening any circuit. Terminal blocks: comply with the requirements of paragraph CONTROL CIRCUIT TERMINAL BLOCKS above.

b. Load Type: Load terminal blocks rated not less than 600 volts and of adequate capacity: provided for the conductors for NEMA Size 3 and smaller motor controllers and for other power circuits, except those for feeder tap units. Provide terminals of either the stud type with contact nuts and locking nuts or of the removable screw type, having length and space for at least two indented terminals of the size required on the conductors to be terminated. For conductors rated more than 50 amperes, provide screws with hexagonal heads. Conducting parts between connected terminals must have adequate contact surface and cross-section to operate without overheating. Provide each connected terminal with the circuit designation or wire number placed on or near the terminal in permanent contrasting color.

2.15.3 Control Circuits

Control circuits: maximum voltage of 120 volts derived from control transformer in same enclosure. Transformers: conform to UL 506 , as applicable. Transformers, other than transformers in bridge circuits:

provide primaries wound for voltage available and secondaries wound for correct control circuit voltage. Size transformers so that 80 percent of rated capacity equals connected load. Provide disconnect switch on primary side. Provide one fused secondary lead with the other lead

SECTION 26 20 00 Page 22 grounded. For designated systems, as indicated, provide backup power supply, including transformers connected to emergency power source.

Provide for automatic switchover and alarm upon failure of primary control circuit.

2.15.4 Enclosures for Motor Controllers

NEMA ICS 6 .

2.15.5 Multiple-Speed Motor Controllers and Reversible Motor Controllers

Across-the-line-type, electrically and mechanically interlocked.

Multiple-speed controllers: include compelling relays and multiple-button, station-type with pilot lights for each speed.

2.15.6 Pushbutton Stations

Provide with "start/stop" momentary contacts having one normally open and one normally closed set of contacts, and red lights to indicate when motor is running. Stations: heavy duty, oil-tight design.

2.15.7 Pilot and Indicating Lights

Provide LED cluster lamps.

2.16 LOCKOUT REQUIREMENTS

Provide circuit breakers, disconnecting means, and other devices that are electrical energy-isolating capable of being locked out for machines and other equipment to prevent unexpected startup or release of stored energy in accordance with 29 CFR 1910.147 , NFPA 70E and 29 CFR 1910.303 . Comply with requirements of Division 23, "Mechanical" for mechanical isolation of machines and other equipment.

2.17 TELECOMMUNICATIONS SYSTEM

Provide system of telecommunications wire-supporting structures (pathway), including: outlet boxes, conduits with pull wires wireways, cable trays, and other accessories for telecommunications outlets and pathway in accordance with TIA-569 and as specified herein. Additional telecommunications requirements are specified in Section 27 10 00.00 48

BUILDING TELECOMMUNICATIONS CABLING SYSTEM.

2.18 GROUNDING AND BONDING EQUIPMENT

2.18.1 Ground Rods

UL 467 . Ground rods: cone pointed copper-clad steel, with minimum diameter of 3/4 inch and minimum length 10 feet. Sectional type rods may be used for rods 20 feet or longer.

2.18.2 Ground Bus

Copper ground bus: provided in the electrical equipment rooms as indicated.

2.18.3 Secondary Bonding Busbar

Provide corrosion-resistant grounding busbar suitable for indoor

SECTION 26 20 00 Page 23 installation in accordance with TIA-607 . Busbars: plated for reduced contact resistance. If not plated, clean the busbar prior to fastening the conductors to the busbar and apply an anti-oxidant to the contact area to control corrosion and reduce contact resistance. Provide a Primary bonding busbar (PBB) in the telecommunications entrance facility. The Primary bonding busbar (PBB): sized in accordance with the immediate application requirements and with consideration of future growth. Provide Secondary bonding busbars with the following:

a. Predrilled copper busbar provided with holes for use with standard sized lugs,

b. Minimum dimensions of 0.25 in thick by 4 in wide for the PBB with length as indicated;

c. Listed by a nationally recognized testing laboratory.

2.19 HAZARDOUS LOCATIONS

Electrical materials, equipment, and devices for installation in hazardous locations, as defined by NFPA 70 : specifically approved by Underwriters' Laboratories, Inc., or Factory Mutual for particular "Class," "Division," and "Group" of hazardous locations involved. Boundaries and classifications of hazardous locations: as indicated. Equipment in hazardous locations: comply with UL 1203 for electrical equipment and industrial controls and UL 674 for motors.

2.20 MANUFACTURER'S NAMEPLATE

Provide on each item of equipment a nameplate bearing the manufacturer's name, address, model number, and serial number securely affixed in a conspicuous place; the nameplate of the distributing agent will not be acceptable.

2.21 FIELD FABRICATED NAMEPLATES

Provide field fabricated nameplates in accordance with the following:

a. ASTM D709.

b. Provide laminated plastic nameplates for each equipment enclosure, relay, switch, and device; as specified or as indicated on the drawings.

c. Each nameplate inscription: identify the function and, when applicable, the position.

d. Nameplates: melamine plastic, 0.125 inch thick, white with black center core.

e. Provide red laminated plastic label with white center core where indicated.

f. Surface: matte finish. Corners: square. Accurately align lettering and engrave into the core.

g. Minimum size of nameplates: one by 2.5 inches.

h. Lettering size and style: a minimum of 0.25 inch high normal block

SECTION 26 20 00 Page 24 style.

2.22 WARNING SIGNS

Provide warning signs for flash protection in accordance with NFPA 70E and NEMA Z535.4 for switchboards, panelboards, industrial control panels, and motor control centers that are in other than dwelling occupancies and are likely to require examination, adjustment, servicing, or maintenance while energized. Provide field installed signs to warn qualified persons of potential electric arc flash hazards when warning signs are not provided by the manufacturer.