ST_E_BLDG_37_IFB_SPECS_VOL_3_12_JAN_2017_-_Rev_13_Feb.pdf

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St. Elizabeths 2017 work

Building 37

St. Elizabeths West Campus

Washington, DC

ISSUED FOR BID SPECIFICATIONS

Volume 3

12 January 2017

SENSITIVE BUT UNCLASSIFIED

PROPERTY OF THE UNITED STATES GOVERNMENT. Copying, dissemination, or distribution of this document to unauthorized recipients is prohibited. Do not remove this notice. Properly destroy or return documents when no longer needed.

General Services Administration | Project Manual

ST. ELIZABETHS ADAPTIVE REUSE: BUILDING 37 - PHASE 2

GSA Project No. NDC 00256

BUILDING 37 – 2016 WORK

Issued for Bid JANUARY 12, 2017

TABLE OF CONTENTS 00 01 10-1

Sensitive but Unclassified

DOCUMENT NO. 00 01 10

TABLE OF CONTENTS

The complete Project Manual for this project consists of this entire bound volume which is not to be separated for any reason. The Contract Officer will not be responsible for any assumptions made by a Contractor or Subcontractor who does not receive a complete bound Project Manual containing all sections and documents listed in the Table of Contents.

The following listed documents comprise the Project Manual for the Project St. Elizabeths:

Building 37 – 2016 Work. Where numerical sequence of Sections or Divisions is interrupted, such interruptions are intentional.

PROJECT MANUAL

Section No. Section Title Issue Date

DIVISION 00 - PROCUREMENT AND CONTRACTING REQUIREMENTS GROUP

00 01 10 Table of Contents 01/12/17

SPECIFICATIONS GROUP

DIVISION 01 - GENERAL REQUIREMENTS

01 10 00 Summary 01/12/17 01 13 00 Delegated Design Requirements 01/12/17 01 14 00 Work Restrictions 01/12/17 01 21 00 Allowances 01/12/17 01 25 00 Substitution Procedures 01/12/17 01 27 00 Unit Prices 01/12/17 01 29 00 Payment Procedures 01/12/17 01 31 00 Project Management and Coordination 01/12/17 01 31 10 Critical Path Method Scheduling 01/12/17 01 32 00 Construction Progress Documentation 01/12/17 01 32 20 Photographic Documentation 01/12/17 01 33 00 Submittal Procedures 01/12/17 01 35 93 Archeological Finds 01/12/17 01 40 00 Quality Assurance and Control 01/12/17 01 41 00 Structural Special Inspections and Testing Laboratory Services 01/12/17 01 42 00 References 01/12/17 01 50 00 Temporary Facilities and Controls 01/12/17 01 56 39 Temporary Tree and Site Protection 01/12/17 01 59 30 Security Regulations 01/12/17 01 59 50 Safety and Health 01/12/17 01 60 00 Product Requirements 01/12/17

GSA Project No. NDC 00256

TABLE OF CONTENTS 00 01 10-2

DIVISION 01 – GENERAL REQUIREMENTS (Continued) 01 70 00 Execution Requirements 01/12/17 01 73 10 Cutting and Patching 01/12/17 01 73 31 Cutting and Patching for Exterior Restoration 01/12/17 01 73 50 Fire Prevention Precautions for Hot Work 01/12/17 01 74 19 Construction Waste Management and Disposal 01/12/17 01 77 00 Closeout Procedures 01/12/17 01 78 10 Project Record Documents 01/12/17 01 78 22 Operations & Maintenance Documentation 01/12/17 01 81 13 Sustainable Design Requirements 01/12/17 01 82 00 Demonstration and Training 01/12/17 01 91 13 General Commissioning Requirements 01/12/17

DIVISION 02 - EXISTING CONDITIONS

02 22 50 Foundations for Restoration 01/12/17 02 41 16 Structure Demolition 01/12/17 02 41 19 Selective Demolition 01/12/17 02 41 20 Selective Demolition for Restoration 01/12/17

DIVISION 03 - CONCRETE

03 10 00 Concrete Formwork 01/12/17 03 20 00 Concrete Reinforcement 01/12/17 03 21 10 Reinforcing Steel for Restoration 01/12/17 03 30 00 Cast-In-Place Concrete 01/12/17 03 30 10 Cast-in-Place Concrete for Restoration 01/12/17 03 30 53 Cast-in-Place Concrete for Site Applications 01/12/17 03 64 23 Epoxy Injection for Restoration 01/12/17

DIVISION 04 - MASONRY

04 01 20.52 Unit Masonry Cleaning for Exterior Restoration 01/12/17 04 01 21 Brick Masonry Repair and Replacement for Exterior Restoration 01/12/17 04 01 24 Terra Cotta Repair & Replacement for Exterior Restoration 01/12/17 04 01 27 Repointing with Cement-Lime Mortar for Exterior Restoration 01/12/17 04 05 01 Masonry Mortar and Grout for Restoration 01/12/17 04 20 00 Unit Masonry 01/12/17 04 20 10 Unit Masonry for Site Applications 01/12/17 04 21 13 Brick Masonry for Exterior Restoration 01/12/17 04 21 29 Terra Cotta Masonry for Exterior Restoration 01/12/17

DIVISION 05 – METALS

05 12 01 Structural Steel for Restoration 01/12/17 05 30 00 Steel Deck 01/12/17 05 30 10 Steel Deck for Restoration 01/12/17 05 40 00 Cold Formed Metal Framing 01/12/17

GSA Project No. NDC 00256

TABLE OF CONTENTS 00 01 10-3

DIVISION 05 – METALS (Continued)

05 50 00 Metal Fabrications 01/12/17 05 52 13 Pipe and Tube Railings for Site Applications 01/12/17 05 70 00 Decorative Metal Fabrications 01/12/17 05 73 15 Glass Railing System 01/12/17

DIVISION 06 - WOOD, PLASTICS & COMPOSITES

06 10 00 Rough Carpentry 01/12/17 06 16 53 Moisture Resistant Sheathing Board 01/12/17 06 22 13 Interior Millwork 01/12/17 06 26 15 Profiled Paneling 01/12/17 06 41 13 Custom Laminate Casework 01/12/17

DIVISION 07 - THERMAL AND MOISTURE PROTECTION

07 01 91 Chemical Injection for Exterior Restoration 01/12/17 07 13 26 Self-Adhering Sheet Waterproofing 01/12/17 07 18 13 Pedestrian Traffic Bearing Waterproof Coating 01/12/17 07 21 00 Building Thermal Insulation 01/12/17 07 21 10 Thermal Insulation for Exterior Restoration 01/12/17 07 27 26 Fluid-Applied Air and Vapor Barriers 01/12/17 07 32 00 Clay Tile Roofing for Exterior Restoration 01/12/17 07 55 56 Hot Fluid-Applied Protected Membrane Roofing 01/12/17 07 62 00 Sheet Metal Flashing and Trim 01/12/17 07 62 10 Sheet Metal Flashing and Trim for Exterior Restoration 01/12/17 07 81 16 Cementitious Sprayed-On Fireproofing 01/12/17 07 84 13 Through-Penetration Firestop Systems 01/12/17 07 84 43 Fire Resistive Joint Sealants 01/12/17 07 92 00 Joint Sealants 01/12/17 07 92 10 Joint Sealants for Exterior Restoration 01/12/17

DIVISION 08 – OPENINGS

08 11 13 Hollow Steel Doors and Frames 01/12/17 08 14 16 Flush Wood Doors 01/12/17 08 31 00 Access Doors 01/12/17 08 34 73 Metal Sound Control Doors 01/12/17 08 41 13 Aluminum Storefront and Entrances 01/12/17 08 44 13 Aluminum Curtain Walls 01/12/17 08 56 00 Interior Supplemental Windows for Exterior Restoration 01/12/17 08 71 00 Finish Door Hardware 01/12/17 08 71 13 Automatic Door Operators 01/12/17 08 80 00 Glazing 01/12/17

GSA Project No. NDC 00256

TABLE OF CONTENTS 00 01 10-4

DIVISION 09 - FINISHES

09 20 00 Stucco for Exterior Restoration 12/9/16 09 21 16 Gypsum Board Shaft Wall Systems 01/12/17 09 22 16 Non-Load Bearing Metal Framing 01/12/17 09 23 00 Gypsum Plaster 01/12/17 09 27 13 Glass Fiber Reinforced Gypsum Plaster Fabrications 01/12/17 09 29 00 Gypsum Board 01/12/17 09 30 00 Tiling 01/12/17 09 51 00 Acoustical and Decorative Ceilings 01/12/17 09 64 29 Wood Strip Flooring 01/12/17 09 65 17 Linoleum Sheet Flooring 01/12/17 09 65 19 Resilient Floor Tile 01/12/17 09 68 00 Carpet 01/12/17 09 68 13 Carpet Tile 01/12/17 09 72 15 Wall Covering 01/12/17 09 77 13 Stretched Fabric Wall System 01/12/17 09 91 00 Painting 01/12/17 09 91 10 Painting - Exterior Restoration 01/12/17

DIVISION 10 – SPECIALTIES

10 21 19 Ceiling Hung Metal Toilet Partitions 01/12/17 10 28 00 Toilet Accessories 01/12/17 10 44 00 Fire Protection Specialties 01/12/17 10 44 45 Photoluminescent Exit Path Markings 01/12/17

DIVISION 11 – EQUIPMENT

11 61 30 Stage Rigging 01/12/17

DIVISION 12 – FURNISHINGS

12 24 13 Roller Window Shades 01/12/17 12 36 61 Simulated Stone Fabrications 01/12/17 12 48 16 Foot Grilles 01/12/17 12 61 00 Fixed Audience Seating 01/12/17 12 93 00 Site Furnishings 01/12/17

DIVISION 14 - CONVEYING EQUIPMENT

14 24 00 Hydraulic Elevators 01/12/17 14 26 00 Limited Use / Limited Application Elevators 01/12/17

DIVISION 21 - FIRE SUPPRESSION

21 12 00 Fire Suppression Standpipes 01/12/17 21 13 13 Wet Pipe Sprinkler Systems 01/12/17

GSA Project No. NDC 00256

TABLE OF CONTENTS 00 01 10-5

DIVISION 22 – PLUMBING

22 05 00 Common Work Results for Plumbing 01/12/17 22 05 23 General Duty Valves for Plumbing 01/12/17 22 05 29 Hangers and Supports for Plumbing 01/12/17 22 05 33 Freeze Protection for Plumbing Piping 01/12/17 22 05 53 Identification for Plumbing Pipe and Equipment 01/12/17 22 07 00 Plumbing Insulation 01/12/17 22 10 00 Plumbing Piping and Pumps 01/12/17 22 13 00 Facility Sanitary Sewerage 01/12/17 22 14 00 Facility Storm Drainage 01/12/17 22 30 00 Plumbing Equipment 01/12/17 22 40 00 Plumbing Fixtures 01/12/17

DIVISION 23 - HEATING VENTILATING AND AIR-CONDITIONING

23 05 00 Common Work Results for HVAC 01/12/17 23 05 05 Specialties for HVAC Piping 01/12/17 23 05 13 Common Motor Requirements for HVAC 01/12/17 23 05 23 General Duty Valves for HVAC Piping 01/12/17 23 05 29 Supports and Hangers for HVAC Piping 01/12/17 23 05 48 Vibration and Seismic Controls for HVAC Piping and Equipment 01/12/17 23 05 53 Identification for HVAC Pipe and Equipment 01/12/17 23 05 94 Testing, Adjusting and Balancing for HVAC 01/12/17 23 07 00 HVAC Insulation 01/12/17 23 09 00 Instrumentation and Controls for HVAC 01/12/17 23 21 13 Hydronic Piping 01/12/17 23 21 23 Hydronic Pumps 01/12/17 23 31 00 HVAC Ducts and Casings 01/12/17 23 33 00 Air Duct Accessories 01/12/17 23 34 00 HVAC Fans 01/12/17 23 36 00 Air Terminal Units 01/12/17 23 37 13 Diffusers, Registers and Grilles 01/12/17 23 38 00 Sound Attenuation 01/12/17 23 41 00 Particulate Air Filtration 01/12/17 23 57 00 Heat Exchangers for HVAC 01/12/17 23 73 00 Indoor Central Station Air Handling Units 01/12/17 23 80 00 Decentralized HVAC Equipment 01/12/17 23 81 23 Computer Room Air Conditioners 01/12/17

DIVISION 26 – ELECTRICAL

26 05 00 Common Work Results for Electrical 01/12/17 26 05 19 Low Voltage Electrical Power Conductors and Cables 01/12/17 26 05 26 Grounding and Bonding for Electrical Systems 01/12/17 26 05 29 Hangers and Supports for Electrical Systems 01/12/17 26 05 33 Raceway and Boxes for Electrical Systems 01/12/17 26 05 53 Identification for Electrical Systems 01/12/17 26 05 80 Electrical Provisions 01/12/17

GSA Project No. NDC 00256

TABLE OF CONTENTS 00 01 10-6

26 09 23 Lighting Control Devices 01/12/17 26 09 61 Theatrical Lighting Controls 01/12/17 26 24 16 Panelboards 01/12/17 26 24 19 Motor Control 01/12/17 26 27 26 Wiring Devices 01/12/17 26 28 16 Enclosed Switches and Circuit Breakers 01/12/17 26 29 23 Variable Frequency Motor Controllers 01/12/17 26 41 13 Lightning Protection for Structures 01/12/17 26 50 00 Specialty Lighting 01/12/17

DIVISION 27 - COMMUNICATIONS

27 05 00 Common Work Results for Communication Systems 01/12/17 27 05 26 Grounding and Bonding for Communications Systems 01/12/17 27 05 28 Pathways for Communication Systems 01/12/17 27 05 53 Identification for Communications Systems 01/12/17 27 11 00 Communications Equipment Room Fitting 01/12/17

DIVISION 28 - ELECTRONIC SAFETY & SECURITY

28 31 11 Digital Addressable Voice Evacuation Fire Alarm Systems 01/12/17

DIVISION 31 – EARTHWORK

31 10 00 Site Clearing 01/12/17 31 41 10 Foundations and Underpinning for Restoration 01/12/17

DIVISION 32 - EXTERIOR IMPROVEMENTS

32 12 16 Asphalt Paving 01/12/17 32 13 13 Concrete Paving 01/12/17 32 13 73 Concrete Paving Joint Sealants 01/12/17 32 31 27 Metal Louver Gates 01/12/17

DIVISION 33 – UTILITIES

33 41 00 Storm Utility Drainage Piping 01/12/17

APPENDIX

Appendix A LEED Version 2009 Checklist 01/12/17 Appendix B Interior Finishes Schedule 01/12/17 Appendix C Luminaire Cut Sheets 01/12/17 Appendix D Light Fixture Schedule 01/12/17 Appendix E Building 37 Historic report prepared by WJE 03/12/10 Appendix F Building 37 Inventory list prepared by Grunley 2012 Appendix G GSA-Office of the PBS Chief Information Officer “Advanced Metering System Implementation Guide” Version 01 07/22/08 Appendix H GSA-IT “Building Technologies Technical Reference Guide”

GSA Project No. NDC 00256

TABLE OF CONTENTS 00 01 10-7

Version 1.1 02/05/14 Appendix J GSA “Smart Building Design and Implementation Guidelines Rev 2. 04/01/13

Appendix K GSA “ION EEM Advanced Metering Interconnection Guide” 07/12 Appendix L GSA “Technology Policy for PBS-owned Buildings Monitoring And Control Systems 3/31/11 Appendix M St. Elizabeths Campus Security Planning Guide: Door/Window Openings 3/18/16

END OF DOCUMENT 00 01 00

GSA Project No. NDC 00256

COMMON WORK RESULTS FOR ELECTRICAL 26 05 00-1

SECTION 26 05 00

COMMON WORK RESULTS FOR ELECTRICAL

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section.

1.2 SUMMARY

A. Section Includes:

1. Electrical equipment coordination and installation.

2. Sleeves for raceways and cables.

3. Sleeve seals.

4. Grout.

5. Common electrical installation requirements.

1.3 SUBMITTALS

A. Refer to Section 013300 – Submittal Procedures.

B. For all work specified in Division 26, submittals to include Type 1 (Manufacturer’s Name) and Type 2 (Product Data) information. In addition, submittals for the work listed below shall include the indicated type of information.

C. Product Data: For sleeve seals.

1.4 COORDINATION

A. Coordinate arrangement, mounting, and support of electrical equipment:

1. To allow maximum possible headroom unless specific mounting heights that reduce headroom are indicated.

2. To provide for ease of disconnecting the equipment with minimum interference to other installations.

3. To allow right of way for piping and conduit installed at required slope.

4. So connecting raceways, cables, wireways, cable trays, and busways will be clear of obstructions and of the working and access space of other equipment.

GSA Project No. NDC 00256

COMMON WORK RESULTS FOR ELECTRICAL 26 05 00-2

B. Coordinate installation of required supporting devices and set sleeves in cast-in-place concrete, masonry walls, and other structural components as they are constructed.

C. Coordinate location of access panels and doors for electrical items that are behind finished surfaces or otherwise concealed. Access doors and panels are specified in Division 08 Section "Access Doors and Frames."

D. Coordinate sleeve selection and application with selection and application of firestopping specified in Division 07 Section "Penetration Firestopping."."

PART 2 - PRODUCTS

2.1 SLEEVES FOR RACEWAYS AND CABLES

A. Cast-Iron Pipe Sleeves: Cast or fabricated "wall pipe," equivalent to ductile-iron pressure pipe, with plain ends and integral waterstop, unless otherwise indicated.

B. Sleeves for Rectangular Openings: Galvanized sheet steel.

1. Minimum Metal Thickness:

a) For sleeve cross-section rectangle perimeter less than 50 inches and no side more than 16 inches, thickness shall be 0.052 inch.

b) For sleeve cross-section rectangle perimeter equal to, or more than, 50 inches and 1 or more sides equal to, or more than, 16 inches, thickness shall be 0.138 inch.

2.2 SLEEVE SEALS

A. Description: Modular sealing device, designed for field assembly, to fill annular space between sleeve and raceway or cable.

1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

a) Advance Products & Systems, Inc.

b) Calpico, Inc.

c) Metraflex Co.

d) Pipeline Seal and Insulator, Inc.

2. Sealing Elements: EPDM interlocking links shaped to fit surface of cable or conduit. Include type and number required for material and size of raceway or cable.

3. Pressure Plates: Carbon steel. Include two for each sealing element.

4. Connecting Bolts and Nuts: Carbon steel with corrosion-resistant coating of length required to secure pressure plates to sealing elements. Include one for each sealing element.

GSA Project No. NDC 00256

COMMON WORK RESULTS FOR ELECTRICAL 26 05 00-3

2.3 GROUT

A. Nonmetallic, Shrinkage-Resistant Grout: ASTM C 1107, factory-packaged, nonmetallic aggregate grout, noncorrosive, nonstaining, mixed with water to consistency suitable for application and a 30-minute working time.

PART 3 - EXECUTION

3.1 COMMON REQUIREMENTS FOR ELECTRICAL INSTALLATION

A. Comply with NECA 1.

B. Measure indicated mounting heights to bottom of unit for suspended items and to center of unit for wall-mounting items.

C. Headroom Maintenance: If mounting heights or other location criteria are not indicated, arrange and install components and equipment to provide maximum possible headroom consistent with these requirements.

D. Equipment: Install to facilitate service, maintenance, and repair or replacement of components of both electrical equipment and other nearby installations. Connect in such a way as to facilitate future disconnecting with minimum interference with other items in the vicinity.

E. Right of Way: Give to piping systems installed at a required slope.

3.2 SLEEVE INSTALLATION FOR ELECTRICAL PENETRATIONS

A. Electrical penetrations occur when raceways, cables, wireways, cable trays, or busways penetrate concrete slabs, concrete or masonry walls, or fire-rated floor and wall assemblies.

B. Concrete Slabs and Walls: Install sleeves for penetrations unless core-drilled holes or formed openings are used. Install sleeves during erection of slabs and walls.

C. Use pipe sleeves unless penetration arrangement requires rectangular sleeved opening.

D. Fire-Rated Assemblies: Install sleeves for penetrations of fire-rated floor and wall assemblies unless openings compatible with firestop system used are fabricated during construction of floor or wall.

E. Cut sleeves to length for mounting flush with both surfaces of walls.

F. Extend sleeves installed in floors 2 inches above finished floor level.

G. Size pipe sleeves to provide 1/4-inch annular clear space between sleeve and raceway or cable, unless indicated otherwise.

GSA Project No. NDC 00256

COMMON WORK RESULTS FOR ELECTRICAL 26 05 00-4

H. Seal space outside of sleeves with grout for penetrations of concrete and masonry

1. Promptly pack grout solidly between sleeve and wall so no voids remain. Tool exposed surfaces smooth; protect grout while curing.

I. Interior Penetrations of Non-Fire-Rated Walls and Floors: Seal annular space between sleeve and raceway or cable, using joint sealant appropriate for size, depth, and location of joint. Comply with requirements in Division 07 Section "Joint Sealants.".

J. Fire-Rated-Assembly Penetrations: Maintain indicated fire rating of walls, partitions, ceilings, and floors at raceway and cable penetrations. Install sleeves and seal raceway and cable penetration sleeves with firestop materials. Comply with requirements in Division 07 Section "Penetration Firestopping."

K. Roof-Penetration Sleeves: Seal penetration of individual raceways and cables with flexible boot-type flashing units applied in coordination with roofing work.

L. Aboveground, Exterior-Wall Penetrations: Seal penetrations using [steel] [cast-iron] pipe sleeves and mechanical sleeve seals. Select sleeve size to allow for 1-inch annular clear space between pipe and sleeve for installing mechanical sleeve seals.

M. Underground, Exterior-Wall Penetrations: Install cast-iron pipe sleeves. Size sleeves to allow for 1-inch annular clear space between raceway or cable and sleeve for installing mechanical sleeve seals.

3.3 SLEEVE-SEAL INSTALLATION

A. Install to seal exterior wall penetrations.

B. Use type and number of sealing elements recommended by manufacturer for raceway or cable material and size. Position raceway or cable in center of sleeve. Assemble mechanical sleeve seals and install in annular space between raceway or cable and sleeve. Tighten bolts against pressure plates that cause sealing elements to expand and make watertight seal.

GSA Project No. NDC 00256

COMMON WORK RESULTS FOR ELECTRICAL 26 05 00-5

3.4 FIRESTOPPING

A. Apply firestopping to penetrations of fire-rated floor and wall assemblies for electrical installations to restore original fire-resistance rating of assembly.

Firestopping materials and installation requirements are specified in Division 07 Section "Penetration Firestopping."

END OF SECTION 26 05 00

GSA Project No. NDC 00256

LOW VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES 26 05 19-1

SECTION 26 05 19

LOW VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES

PART 1 - GENERAL

1.1 SUMMARY

A. Section includes:

1. Building wire and cable.

2. Direct burial cable.

3. Metal clad cable.

4. Wiring connectors and connections.

1.2 REFERENCES

A. NECA (National Electrical Contractors Association) - Standard of Installation.

B. NETA ATS (International Electrical Testing Association)

- Acceptance Testing Specifications for Electrical Power Distribution

Equipment and Systems.

- Power Distribution Equipment and Systems

1.3 QUALITY ASSURANCE

A. Industry Reference Standards. The following specifications and standards are incorporated into and become a part of this Specification by Reference.

1. Underwriters’ Laboratories, Inc. (UL) Publications:

No. 83 Thermoplastic - Insulated Wires No. 486 Wire Connectors and Soldering Lugs No. 493 Thermoplastic - Insulated Underground Feeder and Branch

Circuit Cables No. 854 Service Entrance Cables

2. Insulated Cable Engineers Association Standards (ICEA):

S-61-402 Thermoplastic Insulated Wire and Cable

3. National Electrical Manufacturer’s Standards (NEMA):

WC-5 Thermoplastic Insulated Wire and Cable WC-26 Wire and Cable Packaging

4. National Fire Protection Association Publication (NFPA):

No. 70 National Electrical Code (NEC)

GSA Project No. NDC 00256

LOW VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES 26 05 19-2

B. Performance: Conductors shall be electrically continuous and free from short circuits or grounds. All open, shorted or grounded conductors and any other damaged insulation shall be removed and replaced with new material free from defect.

C. Delivery, Storage and Handling: Deliver wire and cable in accordance with NEMA WC-26. Wire and cables shall not be stored in an exterior or unprotected location. Material subject to direct exposure to the elements shall be replaced and removed from the project at no expense to the Owner.

1.4 SUBMITTALS

A. Refer to Section 013300 – Submittal Procedures.

B. For all work specified in Division 26, submittals to include Type 1 (Manufacturer’s Name) and Type 2 (Product Data) information. In addition, submittals for the work listed below shall include the indicated type of information.

C. Product Data: Submit for building wire and each cable assembly type.

D. Test Reports: Indicate procedures and values obtained.

1.5 CLOSEOUT SUBMITTALS

A. Execution Requirements: Closeout procedures. Refer to Division 1.

B. Project Record Documents: Record actual locations of components and circuits.

1.6 QUALIFICATIONS

A. Manufacturer: Company specializing in manufacturing products specified in this section with minimum three years experience.

1.7 COORDINATION

A. Administrative Requirements: Coordination and project conditions. Refer to Division 1.

B. Where wire and cable destination is indicated and routing is not shown, determine exact routing and lengths required.

GSA Project No. NDC 00256

LOW VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES 26 05 19-3

PART 2 - PRODUCTS

2.1 BUILDING WIRE

A. Manufacturers:

1. American Insulated Wire Corp.

2. Encore Wire.

3. Republic Wire.

4. Service Wire.

5. Southwire.

6. Superior Essex.

7. Substitutions: Product Requirements – Refer to Division 1.

B. Product Description: Single conductor insulated wire.

C. Conductor: Copper.

D. Insulation Voltage Rating: 600 volts.

2.2 BUILDING WIRE REQUIREMENTS

A. Wire No. 10 and smaller (except fixture wire) may be stranded or solid. Wire No.

8 and larger shall be stranded. Wire connected to side wired wiring devices shall be solid.

B. Insulation: NFPA 70; Type THHN/THWN.

C. Insulation: NFPA 70; Type size-1 AWG and larger XHHW insulation for feeders and branch circuits; Type THHN/THWN insulation for feeders and branch circuits size-2 AWG and smaller.

D. For areas with an ambient temperature in excess of 30°C (86°F), the conductor shall be insulation Type XHHW-2.

E. Wire for control circuits and signal systems shall be No. 14 THWN, unless otherwise indicated.

GSA Project No. NDC 00256

LOW VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES 26 05 19-4

F. Conductor copper size shall be a minimum of No. 12 AWG. Conductor size shall not be less than indicated on the drawings. The minimum size of emergency system conductors shall be No. 10 AWG copper. 60 degree C. ampacities shall be used for sizing of all wire and cable for branch circuits and feeders rated 100 amperes and below unless the device has been marked as suitable for connection to 60º/75ºC rated conductors. 75 degree C. ampacity shall be used for sizing of all wire and cable for feeders rated over 100 amps. This sizing requirement applies to all cables in these size ranges, including those with higher insulation ratings, due to the temperature ratings of the terminations.

G. Cable connections to 100 percent rated devices shall be made with 90ºC rated cable applied at the 75ºC. ampacity.

H. Use 10 AWG conductors for 20 ampere, 120 volt branch circuits longer than 75 feet (25 m).

I. Use 10 AWG conductors for 20 ampere, 277 volt branch circuits longer than 200 feet (160 m).

J. Type RHH-2 hour rated cable shall be classified fire resistive per U.L. test No.

2196 up to 1850ºF.

2.3 DIRECT BURIAL CABLE

A. Manufacturers:

1. Essex Group Inc.

2. General Cable Co.

3. Southwire.

4. Substitutions: Product Requirements – Refer to Division 1.

B. Description: NFPA 70, Type UF.

C. Factory Assembled cable in Polyethylene Duct:

1. The duct shall be polyethylene meeting the requirements of ASTM specification D-1248 for Type III, Class C, Category 5, Grade J-5.

D. Conductor: Copper.

E. Insulation Voltage Rating: 600 volts.

F. Insulation Temperature Rating: 90 degrees C.

G. Underground Warning Tape: Refer to Section 260529.

GSA Project No. NDC 00256

LOW VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES 26 05 19-5

2.4 METAL CLAD CABLE (TYPE MC)

A. Manufacturers:

1. Alcan Cable.

2. General Cable Co.

3. Belden Wire and Cable.

4. Electri-Flex.

5. Okonite.

6. Pirelli Cable Co.

7. Southwire Co.

8. Substitutions: Product Requirements – Refer to Division 1.

B. Description: NFPA 70, Type MC.

C. Conductor: Copper.

D. Insulation Voltage Rating: 600 volts.

E. Insulation Temperature Rating: 90 degrees C.

F. Insulation Material: Thermoplastic.

G. Armor Material: Steel.

H. Armor Design: Interlocked metal tape.

I. Jacket: None.

2.5 WIRING CONNECTORS

A. Split Bolt Connectors: For copper conductors only.

1. Thomas and Betts.

2. ILSCO.

3. Burndy.

4. Gedney/OZ.

5. 3M Scotch.

6. Substitutions: Product Requirements – Refer to Division 1.

GSA Project No. NDC 00256

LOW VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES 26 05 19-6

B. Solderless Pressure Connectors: For copper conductors only.

1. Ideal.

2. Thomas and Betts.

3. Burndy.

4. Gedney/Oz.

5. 3M Scotch.

6. Substitutions: Product Requirements – Refer to Division 1.

C. Spring Wire Connectors: For copper conductors only.

1. Ideal.

2. Thomas and Betts.

3. Burndy.

4. Gedney/Oz.

5. 3M Scotch.

6. Substitutions: Product Requirements – Refer to Division 1.

D. Compression Connectors: For copper conductors only. Standard barrel type.

1. Ideal.

2. Thomas and Betts.

3. Burndy.

4. Anderson/Square D.

5. ILSCO.

6. Scotch 3M.

7. Substitutions: Product Requirements – Refer to Division 1.

E. Vinyl Electrical Insulating Tape:

1. Permacel Model 295.

2. Scotch 3M Model 88.

3. Tomic Model 85.

F. Encapsulated Insulating Kits:

1. Essex Group Inc.

2. Raychem.

3. Scotch 3M.

GSA Project No. NDC 00256

LOW VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES 26 05 19-7

2.6 LUGS

A. Terminal lugs for wires No. 8 and larger shall be T&B 54,000 Series or Burndy “Hy-Dent”, compression type, unless noted otherwise. One-hole lugs for 4/0 AWG and smaller. Two-hole lugs for all sizes 250 KCMIL AWG and larger. Lug tang shall have full overlap contact at termination. Lugs shall be standard barrel type.

B. Provide cable limiter lugs for utility service entrance conductors which originate at a network paralleling bus. Provide at both line and load side of each phase cable.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Administrative Requirements: Coordination and project conditions. Refer to Division 1.

B. Verify that interior of building has been protected from weather.

C. Verify that mechanical work likely to damage wire and cable has been completed.

D. Verify that raceway installation is complete and supported.

3.2 PREPARATION

A. Thoroughly swab raceway before installing wire.

3.3 INSTALLATION

A. Route wire and cable as required to meet Project conditions.

B. Install wire and cable in accordance with the NECA "Standard of Installation."

C. Neatly train and lace wiring inside boxes, equipment, and panelboards.

D. Riser cables shall have cable supports as required by code.

E. Identify wire and cable under provisions of Section 260529. Identify each conductor with its circuit number or other designation indicated.

F. Special Techniques--Building Wire in Raceway:

1. Pull all conductors into raceway at same time.

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2. Use suitable wire pulling lubricant for building wire 4 AWG and larger.

3. Do not use pulling compounds on circuits based on low leakage current such as ungrounded isolation circuits.

G. Special Techniques--Wiring Connections:

1. Clean conductor surfaces before installing lugs and connectors.

2. Make splices, taps, and terminations to carry full ampacity of conductors with no perceptible temperature rise.

3. Tape uninsulated conductors and connectors with electrical tape to 150 percent of insulation rating of conductor.

4. Use compression type connectors for copper conductor splices and taps, 6

AWG and larger. Tape uninsulated conductors and connector with electrical tape to 150 percent of insulation rating of conductor.

5. Use solderless pressure connectors with insulating covers for copper conductor splices and taps, 8 AWG and smaller.

6. Use insulated spring wire connectors with plastic caps for copper conductor splices and taps, 10 AWG and smaller.

H. Connect all conductors. Torque each terminal connection to the manufacturers recommended torque value. A calibrated torquing tool shall be used to insure proper torque application.

I. Do not install more conductors in a raceway than indicated on the drawings. A maximum of three branch circuits are to be installed in any one conduit, on 3 phase 4 wire system, unless specifically indicated otherwise on the drawings. A maximum of two branch circuits are to be installed in any one conduit, on 1 phase 3 wire systems, unless specifically indicated otherwise on the drawings.

No two branch circuits of the same phase are to be installed in the same conduit, unless specifically indicated on the drawings.

J. Provide a separate neutral conductor for each branch circuit. No multi-wire circuits shall be installed.

K. Maintain phase rotation established at service equipment throughout entire project.

L. Splices

1. Splices in feeders are not allowed without prior written approval of the Engineer.

2. Splices are permitted only where required to circuit specific devices on shared branch circuits. Keep to minimum.

3. Install splices and taps that possess equivalent or better mechanical strength and insulation rating than the conductors being spliced.

4. Make all splices and taps in strict conformance with the conductor manufacturer’s recommendations.

5. Approved exterior branch circuit splices below grade shall be made in flush mounted watertight junction boxes with crimped connectors and insulated with watertight resin encapsulating insulation kit.

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M. Support conductors installed in vertical raceways at intervals not exceeding those distances indicated in the National Electrical Code. Support conductors in pull boxes with bakelite wedge type supports provided for the size and number of conductors in the raceway.

N. Make connections between fixture junction box and fixture with fixture wire.

O. Control, communications or signal conductors shall be installed in separate raceway systems from branch circuit or feeder raceway, unless indicated otherwise on the drawings.

P. Conductor lengths for parallel circuits shall be equal. Do not configure isolated phasing in separate conduits for parallel conductors. At each tap of parallel conductors, bond all conductors of the circuit together.

Q. Install a minimum of twelve inches (300 mm) of slack conductor at each outlet.

R. Type RHH-2-Hour rated cable shall be installed in conduit which has been supported in strict accordance with U.L. FHIT .25 building materials directory for circuit protective systems.

S. Special Techniques—MC Cable:

1. Use is limited to size No. 8 AWG and smaller.

2. Support cables above accessible ceiling, using spring metal clips or metal cable ties to support cables from structure. Do not rest cable on ceiling panels or support channels. Where run exposed support tight to structure at all points in the run.

3. Use suitable cable fittings and connectors.

4. Provide with PVC jacket in damp locations.

5. Provide pullbox and transition to EMT conduit in home run adjacent to electrical closets.

T. Special Techniques--Direct Burial Cable:

1. Trench and backfill for direct burial cable installation as specified in trenching Sections. Install warning tape along entire length of direct burial cable, within 3 inches (75 mm) of grade.

2. Use suitable direct burial cable fittings and connectors.

3. Trenches shall be of sufficient width to permit the placement of cables as shown on the drawings. Cable depth shall not be less than thirty-six inches for secondary cables.

4. Refer to EARTHWORK section of the specifications for additional requirements of excavation and backfilling.

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5. Install three inch layer of sand in the trenches before installing cables and a three inch layer of sand over the installed cables. Sand shall be screened backfill or river sand. Place a continuous horizontal, one-inch by eight-inch, preservative impregnated wood planking three inches above installed cables before backfilling. Install a 6 inch wide continuous yellow plastic warning tape, 6 inches below surface over cables before final backfill. Tape to indicate buried electrical cables below.

6. Provide horizontal slack in cable for contraction during cold weather.

7. Route of direct burial cables indicated on the drawings is approximate and shall be modified to conform to existing conditions. Reroute cable to avoid damage to existing trees or other utilities.

8. Cables shall be installed in Schedule 80 PVC conduits where cables pass under roads or other pavement.

9. Where cables cross other utilities, such as water or sewer pipes, cables shall be separated from these utilities by not less than twenty-four inches of depth. Cables shall be installed greater depth than specified if necessary to maintain separation when crossing over utilities, e.g., water main, sewer line, chilled water piping. Provide Schedule 80 PVC conduit for installation of cable five feet on either side of utility line where cables cross a utility.

10. Install the cables in continuous lengths.

3.4 WIRE COLOR

A. General

1. For wire sizes 10 AWG and smaller - wire shall be colored as indicated below.

2. For wire sizes 8 AWG and larger - identify wire with colored tape at all terminals, splices and boxes. Colors to be as indicated below.

3. Use black and red for single phase circuits at 120/240 volts, use black, red, and blue for circuits at 120/208 volts single or three phase and use brown, orange, and yellow for circuits at 277/480 volts single or three phase.

B. Neutral Conductors: White. Where there are two or more neutrals in one conduit, each shall be individually identified with the proper circuit. Neutral conductors in 277V. networks shall be grey. Provide tie-wraps to group the conductors of a multi-wire branch circuit with the neutral conductor of that circuit.

C. Ground Conductors: Green for 6 AWG and smaller. For 4 AWG and larger, identify with green tape at both ends and all visible points included in all junction boxes.

D. Grounding conductors for isolated grounding circuits shall be green with a yellow trace.

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3.5 TESTING

A. General: Furnish meters, instruments, cable connections, equipment or apparatus necessary for making all tests.

B. Insulation Tests:

1. After being pulled in place and before connected, test all service and feeder cable and branch circuit cable in excess of 1/0 with 1000 volt, 60 Hz insulation tester for one minute to determine that conductor insulation resistance to ground is not less than that recommended by the manufacturer. Tests shall not register less than 250 megohm ambient temperature corrected value to ground during an insulation test as described above for service and feeder cables. Remove, replace and retest all cable failing insulation test.

2. Measure insulation resistance of electrical wiring with a self-contained instrument such as a direct-indicating ohmmeter of the generator battery or electronic type.

3. When using any type of d-c voltage source, it is essential that the output voltage is steady to prevent fluctuation in charging current. Where protective resistors are used in test instruments, take into account their effect on the magnitude of the voltage applied to the insulation under test. Properly maintain the instrument used in insulation resistant testing. Make periodic checks to insure that rated voltage is delivered and that the instrument is in calibration.

4. Unless otherwise specified, the insulation resistance shall be approximately 250 megohm for each 1000 volts of operating voltage with a minimum value of 250 megohm.

3.6 FIELD QUALITY CONTROL

A. Testing, adjusting, and balancing. Refer to Division 1.

B. Inspect and test in accordance with NETA ATS, except Section 4.

C. Perform inspections and tests listed in NETA ATS, Section 7.3.1.

END OF SECTION 26 05 19

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SECTION 26 05 26

GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS

PART 1 - GENERAL

1.1 SUMMARY

A. This Section includes grounding electrodes and conductors; equipment grounding conductors; bonding methods and materials; grounding of electrical systems and equipment, and basic requirements for grounding for protection of life, equipment, circuits, and systems. Grounding requirements specified in this Section may be supplemented in other Sections of these Specifications.

1.2 REFERENCES

A. NECA (National Electrical Contractors Association) - Standard of Installation.

B. NETA ATS (International Electrical Testing Association) - Acceptance Testing Specifications for Electrical Power Distribution Equipment and Systems.

1.3 SUBMITTALS

A. Refer to Section 013300 – Submittal Procedures.

B. For all work specified in Division 26, submittals to include Type 1 (Manufacturer’s Name) and Type 2 (Product Data) information. In addition, submittals for the work listed below shall include the indicated type of information.

C. Shop Drawings: Prepare Project-specific information, drawn accurately to scale.

Do not base Shop Drawings on reproductions of the Contract Documents or standard printed data.

1. Grounding equipment

D. Product Data: Submit grounding electrodes and connections; for fastening components and grounding fittings.

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E. Qualification data for firms and persons specified in “Quality Assurance” Article to demonstrate their capabilities and experience. Include lists of completed projects with project names and addresses, names and addresses of architects and owners, and other information specified.

F. Field tests and observation reports certified by the testing organization and indicating and interpreting the test reports for compliance with performance requirements. Indicate overall resistance to ground and resistance of each electrode. Submit certified test results stating ground resistance from service neutral at each service entrance.

G. Manufacturer’s Installation Instructions: Submit for active electrodes.

1.4 QUALITY ASSURANCE

A. Testing Agency Qualifications: A “Nationally Recognized Testing Laboratory” (NRTL) as defined in OSHA Regulation 1910, or a full member company of the InterNational Electrical Testing Association (NETA).

1. Testing Agency Field Supervision: Use persons currently certified by

NETA or the National Institute for Certification in Engineering Technologies to supervise on-site testing specified in Part 3.

B. Comply with NFPA 70.

C. Comply with UL 467.

D. Listing and Labeling: Provide products specified in this Section that are listed and labeled.

1. The Terms “Listed” and “Labeled”: As defined in the National Electrical

Code, Article 100.

2. Listing and Labeling Agency Qualifications: A “Nationally Recognized

Testing Laboratory” (NRTL) as defined in OSHA Regulations 1910.7.

1.5 CLOSEOUT SUBMITTALS

A. Execution Requirements: Closeout procedures. Refer to Division 1.

B. Project Record Documents: Record actual locations of components and grounding electrodes

1.6 QUALIFICATIONS

A. Manufacturer: Company specializing in manufacturing products specified in this section with minimum three years’ experience.

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1.7 FIELD MEASUREMENTS

A. Verify field measurements prior to fabrication.

PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. Available Manufacturers: Subject to compliance with requirements, manufacturers offering products that may be incorporated into the Work include, but are not limited to, the following.

B. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

1. Apache Grounding; Nashville Wire Products.

2. Boggs: H.L. Boggs & Co.

3. Chance: A.B. Chance Co.

4. Dossert Corp.

5. Erico Inc.; Electrical Products Group.

6. Galvan Industries, Inc.

7. Hastings Fiber Glass Products, Inc.

8. Heary Brothers Lightning Protection Co.

9. Ideal Industries, Inc.

10. ILSCO.

11. Kearney.

12. Korns: C.C. Korns Co.

13. Lightning Master Corp.

14. Lyncole XIT Grounding.

15. O-Z/Gedney Co.

16. Raco, Inc.

17. Salisbury: W.H. Salisbury & Co., Utility.

18. Thomas & Betts, Electrical.

19. Utilco Co.

20. Substitutions: Product Requirements – Refer to Division 1.

2.2 ROD ELECTRODES

A. Material: Copper.

B. Diameter: 3/4 inch (19 mm).

C. Length: 10 feet (3000 mm).

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2.3 MECHANICAL CONNECTORS

A. Description: Bronze connectors, suitable for grounding and bonding applications, in configurations required for particular installation.

B. Pressure Connectors: High conductivity plated units.

C. Bolt Clamps: Heavy-duty type.

D. Grounding Bushings shall be malleable iron, threaded, with insulated liner and solderless lug. Manufacturer: Appleton GIB-50L Series, Raco 1222 Series, T&B 3870 Series, O-Z/Gedney IBC-50L Series.

2.4 EXOTHERMIC CONNECTIONS

A. Product Description: Exothermic materials, accessories, and tools for preparing and making permanent field connections between grounding system components.

B. Exothermic-Welded Connections: Provided in kit form and selected per manufacturer’s written instructions for specific types, sizes and combination of conductors and connected items.

2.5 WIRE

A. Underground/Foundation Conductors: Bare, tinned, stranded, except as otherwise indicated.

B. Equipment Grounding Conductors: Insulated with green color insulation.

C. Bare Copper Conductors: Confirm to the following:

1. Solid Conductors: ASTM B3.

2. Assembly of Stranded Conductors: ASTM B8.

3. Tinned Conductors: ASTM B33.

2.6 ELECTRICAL ROOM GROUND BUS

A. Electrical Room and closet Ground Bus: Solid copper, 1/4" (0.25 in.) By 4" by 24" tap and drilled for conductor termination of lug connections. Bus shall be mounted on isolation insulators.

B. Communications Room and closet Ground Bus: Solid copper, 1/4" (0.25 in.) By 4" by 24" tap and drilled for conductor termination of lug connections. Bus shall be mounted on isolation insulators.

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PART 3 - EXECUTION

3.1 EXAMINATION

A. Administrative Requirements: Coordination and project conditions – Refer to Division 1.

B. Verify final backfill and compaction has been completed before driving rod electrodes.

C. Verify that abandoned wiring and equipment serve only abandoned facilities.

3.2 APPLICATION

A. Equipment, Grounding Conductors: Comply with NEC Article 250 for types, sizes, and quantities of equipment grounding conductors, except where specific types, larger sizes, or more conductors than required by NEC are indicated.

1. Provide equipment grounding conductors with circuit conductors for the items below in addition to those required by Code. Equipment grounding system shall be established using grounding conductors; the use of metallic raceways for equipment grounding is not allowed:

a. Feeders.

b. Lighting circuits.

c. Receptacle circuits.

d. Single-phase motor or appliance branch circuits.

e. Three-phase motor or appliance branch circuits.

f. Flexible raceway runs.

g. Armored and metal-clad cable runs.

2. Busway Supply Circuits: Install separate equipment grounding conductor from the grounding bus in the switchgear, switchboard, or distribution panel to equipment grounding-bar terminal on busway.

3. Computer Outlet Circuits: Install separate equipment grounding conductor in branch circuit runs from computer area power panels or power-distribution units.

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4. Isolated Grounding-Receptacle Circuits: Install a separate insulated equipment grounding conductor connected to the insulated equipment grounding conductor connected to the receptacle grounding terminal.

Isolate grounding conductor from raceway and from panelboard grounding terminals. Terminate at the equipment grounding-conductor terminal of the applicable derived system or service, except as otherwise indicated.

5. Isolated Equipment Enclosure Circuits: For designated equipment supplied by a branch circuit or feeder, isolate equipment enclosure from supply raceway with a nonmetallic raceway fitting listed for the purpose.

Install fitting where raceway enters enclosure, and install a separate equipment grounding conductor. Isolate equipment grounding conductor from raceway and from panelboard grounding terminals. Terminate at the equipment grounding-conductor terminal of the applicable derived system or service, except as otherwise indicated.

6. Nonmetallic Raceways: Install an equipment grounding conductor in nonmetallic raceways unless they are designated for telephone or data cables.

7. Air-Duct Equipment Circuits: Install an equipment grounding conductor to duct-mounted electrical devices operating at 120V. and above, including air cleaners and heaters. Bond conductor to each unit and to air duct.

8. Water Heater, Heat-Tracing, and Antifrost Heater Circuits: Install a separate equipment grounding conductor to each electric water heater, heat-tracing assembly, and anti-frost heating cable. Bond conductor to heater units, piping, connected equipment, and components.

B. Signal and Communication Systems: For telephone, alarm, voice and data, and other communication systems, provide a No. 4 AWG minimum insulated grounding conductor in raceway from grounding-electrode system to each service location, terminal cabinet, wiring closet, and central equipment location.

1. Service and Central Equipment Locations and Wiring Closets: Terminate grounding conductor on a 1/4 by 2 by 12 inch (6-by-50-by-300-mm) grounding bus.

2. Terminal cabinets: Terminate grounding conductor on cabinet grounding terminal.

C. Separately Derived Systems: Where NEC requires grounding, ground according to NEC Paragraph 250-26.

D. Metal Poles Supporting Outdoor Lighting Fixtures: Ground pole to a grounding electrode in addition to separate equipment grounding conductor run with supply branch circuit.

E. Connections to Lightning Protection System: Bond grounding conductors, including grounding-conductor conduits, to lightning protection down conductors or lightning protection grounding conductors in compliance with NFPA 780.

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F. Common Ground Bonding with Lightning Protection System: Bond electric power system ground directly to lightning protection system grounding conductor at closest point to electric service grounding electrode. Use bonding conductor sized same as system grounding conductor and install in conduit.

3.3 INSTALLATION

A. General: Ground electrical systems and equipment according to NEC requirements, except where Drawings or Specifications exceed NEC requirements.

B. Electrical Room Grounding Bus: Space 1 inch (25 mm) from wall and support from wall 6 inches (150 mm) above finished floor, except as otherwise indicated.

C. Grounding Rods: Locate a minimum of 1-rod length from each other and at least the same distance from any other grounding electrode.

1. Install rod electrodes at locations indicated. Install additional rod electrodes as required to achieve specified resistance to ground. Tops of rod electrodes shall be terminated 2 inches (50 mm) below finished floor or final grade, except as otherwise indicated.

2. Interconnect with grounding-electrode conductors. Use exothermic welds, except at test wells and as otherwise indicated. Make these connections without damaging copper coating or exposing steel.

3. Providing grounding electrode conductor and connect to reinforcing steel in foundation footing. Bond steel together.

4. Provide bonding to meet Regulatory Requirements.

D. Grounding Conductors: Route along the shortest and straightest paths possible, except as otherwise indicated. Avoid obstructing access or placing conductors where they may be subjected to strain, impact, or damage.

E. Underground Grounding Conductors: Use bare copper wire. Bury at least 24 inches (600mm) below grade.

F. Metal Water Service Pipe: Provide insulated copper grounding conductors, sized as indicated, in conduit, from building’s main service equipment or grounding bus, to main metal water service entrances to building. Connect grounding conductors to main metal water service pipes by grounding-clamp connectors.

Where a dielectric main water fitting is…

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