Division 26 - Generic Electrical Specifications.pdf

ARCHITECT OF THE CAPITOL

UNIVERSAL SPECIFICATIONS

MEDIUM-VOLTAGE CABLES

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SECTION 26 05 13

MEDIUM-VOLTAGE CABLES

PART 1 - GENERAL

1.1 SECTION INCLUDES

A. Medium voltage cable.

B. Cable terminations.

C. Cable Splices

D. Cable Accessories

1.2 RELATED REQUIREMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary

Conditions and Division 01 Specification Sections, apply to this Section.

B. Section 33 71 19 - Electrical Underground Ducts and Manholes: Cable racks in manholes.

C. Section 26 05 53 - Identification for Electrical Systems.

D. Section 26 05 26 - Grounding and Bonding for Electrical Systems.

1.3 REFERENCE STANDARDS

A. IEEE C2 - National Electrical Safety Code; Institute of Electrical and Electronic Engineers;

most recent edition.

B. IEEE 48 - IEEE Standard Test Procedures and Requirements for Alternating-Current Cable

Terminations 2.5 kV through 765 kV; Institute of Electrical and Electronic Engineers;

most recent edition.

C. NEMA WC 74 - S5-46 kV Shielded Power Cable for Use in the Transmission and

Distribution of Electric Energy; National Electrical Manufacturers Association; most recent edition.

D. NETA ATS - Acceptance Testing Specifications for Electrical Power Equipment and

Systems; International Electrical Testing Association; most recent edition.

(FOR REFERENCE ONLY)

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E. NFPA 70 - National Electrical Code; National Fire Protection Association; Most Recent

Edition Adopted by Authority Having Jurisdiction, Including All Applicable Amendments and Supplements.

1.4 SUBMITTALS

A. See Section 01 30 00 - Administrative Requirements, for submittal procedures.

B. Product Data: Provide for cable, terminations, and accessories.

C. Samples: Submit two samples of each size cable, 24 inches (600 mm) in length.

1. Select each length to include complete set of manufacturer markings.

2. Attach tag indicating cable size and application information.

D. Qualification Data: For Installer.

E. Material Certificates: For each cable and accessory type, signed by manufacturers.

F. Field quality-control reports

1.5 QUALITY ASSURANCE

A. Comply with NFPA 70.

B. Comply with IEEE C2.

C. Installer: Engage a licensed electrician, trained in the installation of high voltage cables and with a training certificate from an authorized representative of the splice and termination manufacturer, to install, splice, and terminate medium-voltage cable.

D. Testing Agency Qualifications: Testing agency as defined by OSHA in 29 CFR 1910.7 or a member company of the InterNational Electrical Testing Association and that is acceptable to authorities having jurisdiction.

1. Testing Agency's Field Supervisor: Person currently certified by the InterNational

Electrical Testing Association or the National Institute for Certification in

Engineering Technologies to supervise testing specified in Part 3.

E. Source Limitations: Obtain all medium voltage cables through one source from a single qualified manufacturer.

F. Products: Listed and classified by Underwriters Laboratories Inc. as suitable for the purpose specified and indicated.

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1.6 PROJECT CONDITIONS

A. Existing Utilities: Do not interrupt utilities serving facilities occupied by Owner or others unless permitted under the following conditions and then only after arranging to provide temporary utility services according to requirements indicated:

1. Do not proceed with utility interruptions without Architect’s written permission.

1.7 WARRANTY

A. To demonstrate long term reliability and performance of the cable, the manufacturer shall issue a forty year warranty with replacement cost provisions on the product. The warranty shall be signed by an officer of the company and submitted with the product data sheet submittal to the Architect.

PART 2 - PRODUCTS

2.1 CABLE

A. Manufacturers:

1. General Cable Technologies Corporation: www.generalcable.com.

2. Okonite: www.okonite.com.

3. Prysmian Cables; www.prysmian.com

4. Southwire Company: www.southwire.com.

B. Medium Voltage Cable: NEMA WC 74 rubber insulated cable.

1. Cable Type: MV-105

2. Voltage: 15 kV, grounded.

3. Comply with UL 1072, AEIC CS 8, ICEA S-93-639 and ICEA S-97-682

4. Conductor: Copper, compact round, stranded, with foil conductor shield.

5. Construction: Single conductor with metal tape insulation shielding.

6. Conductor Insulation: Ethylene-Propylene Rubber (EPR)

7. Insulation Thickness: 133% insulation level.

8. Shielding: 5-mil bare copper tape, helically applied over semiconducting insulation shield. Minimum overlap of 12.5% overlap of the tape width.

9. Cable Jacket: Thermoplastic Chlorinated polyethylene, CPE, minimum thickness of

80 mil.

10. Cable shall be suitable for normal installation in conduit and in cable tray and shall be suitable for continuous submersion in water. The cable shall be capable of continuous operation in both a wet or dry environments at a conductor temperature of 105 degrees C in normal operation, 130 degrees C in emergency

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overload operation, and of 250 degree C in short-circuit operation.

2.2 ACCESSORIES

A. Potheads: IEEE 48, Class 1 termination. Pothead with porcelain insulators, cable connector and aerial lug, sealed cable entrance and support, and insulating compound.

B. Cable Terminations: IEEE 48, Class 2 porcelain insulator cable terminator in kit form.

C. Cast Epoxy Cable Terminations: IEEE 48, Class 1 cast epoxy cable termination in kit form with stress cone, shield ground connection, wet porcelain rain shield for outdoor units, epoxy resin molding material, and accessories and molds required for proper application.

D. Modular Cable Terminations: IEEE 48, Class 1, molded-rubber cable termination in kit form with stress cone, ground clamp, non-tracking rubber skirts, load break connector, rubber cap, and aerial lug.

E. Splice Kits: Comply with IEEE 404; type as recommended by cable or splicing kit manufacturer for the application.

1. Products: As recommended, in writing by splicing kit manufacturer for specific sizes, ratings, and configurations of cable conductors. Include all components required for complete splice, with detailed instructions.

a. Combination tape and cold-shrink-rubber sleeve kit with rejacketing by cast-epoxy-resin encasement or other waterproof, abrasion-resistant material.

b. Heat-shrink splicing kit of uniform, cross-section, polymeric construction with outer heat-shrink jacket.

c. Premolded EPDM splicing body kit with cable joint sealed by interference fit of mating parts and cable.

F. Fault Indicators: Automatically reset fault indicator with inrush restraint feature, arranged to clamp to cable sheath and provide a display after a fault has occurred in cable. Instrument shall not be affected by heat, moisture, and corrosive conditions shall be recommended by manufacturer for installation conditions.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Verify that conduit, duct, trench, or manholes are ready to receive cable.

(FOR REFERENCE ONLY)

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B. Verify that field measurements are as indicated.

C. Verify routing and termination locations of cable bank prior to rough-in.

D. Cable routing is shown in approximate locations unless dimensioned. Route as required to complete wiring system.

3.2 INSTALLATION

A. Install cables according to IEEE 576.

B. Avoid abrasion and other damage to cables during installation.

C. Use suitable lubricants and pulling equipment.

D. Pull Conductors: Do not exceed manufacturer's recommended maximum pulling tensions and sidewall pressure values.

E. Sustain cable pulling tensions and bending radii below recommended limits.

F. Ground cable shield at each termination and splice.

G. Install cables in manholes along wall providing longest route.

H. Install direct-buried cables on leveled and tamped bed of 3-inch thick clean sand.

Separate cables crossing other cables or piping by a minimum of 4 inches of tamped earth. Install permanent markers at ends of cable runs, changes in direction, and buried splices.

I. Arrange cable in manholes to avoid interference with duct entrances.

J. Fireproof cables in manholes using fireproofing tape in half-lapped wrapping. Extend fireproofing 1 inch (25 mm) into duct.

1. Clean cable sheath before applying.

2. Wrap metallic components with 10-mil pipe wrapping tape.

3. Smooth surface contours with electrical insulation putty.

4. Apply arc proofing tape in one half-lapped layer with coated side toward cable.

5. Band arc-proofing tape with 1-inch-wide bands of half lapped, adhesive, glass-cloth tape 2 inches o.c.

K. Install fault indicators on each phase where indicated.

3.3 FIELD QUALITY CONTROL

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A. See Section 01 40 00 - Quality Requirements, for additional requirements.

B. Inspect exposed cable sections for physical damage.

C. Inspect cable for proper connections as indicated.

D. Inspect shield grounding, cable supports, and terminations for proper installation.

E. Testing: Engage a qualified testing and inspecting agency to perform the following field tests and inspections and prepare test reports.

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

2. Perform inspections and tests listed in NETA ATS, Section 7.3.3.

F. Remove and replace malfunctioning units and retest as specified above.

3.4 PROTECTION

A. Protect installed cables from entrance of moisture.

END OF SECTION

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LOW-VOLTAGE ELECTRICAL POWER CONDUCTORS

AND CABLES

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SECTION 26 05 19

LOW-VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES

PART 1 - GENERAL

1.1 SECTION INCLUDES

A. Single conductor building wire.

B. Power and control tray cable.

C. Wiring connectors.

1.2 RELATED REQUIREMENTS

A. Section 26 05 26 - Grounding and Bonding for Electrical Systems: Additional requirements for grounding conductors and grounding connectors.

B. Section 26 05 36 - Cable Trays for Electrical Systems: Additional installation requirements for cables installed in cable tray systems.

C. Section 26 05 53 - Identification for Electrical Systems: Identification products and requirements.

1.3 REFERENCE STANDARDS

A. ASTM B3 - Standard Specification for Soft or Annealed Copper Wire; most recent edition.

B. ASTM B8 - Standard Specification for Concentric-Lay-Stranded Copper Conductors, Hard, Medium-Hard, or Soft; most recent edition.

C. ASTM B33 - Standard Specification for Tin-Coated Soft or Annealed Copper Wire for

Electrical Purposes; most recent edition.

D. ASTM B787/B787M - Standard Specification for 19 Wire Combination Unilay-Stranded

Copper Conductors for Subsequent Insulation; most recent edition.

E. NECA 1 - Standard for Good Workmanship in Electrical Construction; National Electrical

Contractors Association; most recent edition.

F. NEMA WC 70 - Power Cables Rated 2000 Volts or Less for the Distribution of Electrical

Energy; National Electrical Manufacturers Association; most recent edition (ANSI/NEMA

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WC 70/ICEA S-95-658).

G. NETA ATS - Acceptance Testing Specifications for Electrical Power Equipment and

Systems; International Electrical Testing Association; most recent edition.

H. NFPA 70 - National Electrical Code; National Fire Protection Association; Most Recent

Edition Adopted by Authority Having Jurisdiction, Including All Applicable Amendments and Supplements.

I. UL 44 - Thermoset-Insulated Wires and Cables; Current Edition, Including All Revisions.

J. UL 83 - Thermoplastic-Insulated Wires and Cables; Current Edition, Including All

Revisions.

K. UL 486A-486B - Wire Connectors; Current Edition, Including All Revisions.

L. UL 486C - Splicing Wire Connectors; Current Edition, Including All Revisions.

M. UL 486D - Sealed Wire Connector Systems; Current Edition, Including All Revisions.

N. UL 1277 - Electrical Power and Control Tray Cables with Optional Optical-Fiber

Members; Current Edition, Including All Revisions.

1.4 SUBMITTALS

A. Product Data: Provide manufacturer's standard catalog pages and data sheets for conductors and cables, including detailed information on materials, construction, ratings, listings, and available sizes, configurations, and stranding.

B. Field Quality Control Test Reports.

1.5 QUALITY ASSURANCE

A. Conform to requirements of NFPA 70.

1.6 FIELD CONDITIONS

A. Do not install or otherwise handle thermoplastic-insulated conductors at temperatures lower than 14 degrees F (-10 degrees C), unless otherwise permitted by manufacturer's instructions. When installation below this temperature is unavoidable, notify Architect and obtain direction before proceeding with work.

PART 2 - PRODUCTS

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2.1 CONDUCTOR AND CABLE APPLICATIONS

A. Do not use conductors and cables for applications other than as permitted by NFPA 70 and product listing.

B. Nonmetallic-sheathed cable is not permitted.

2.2 CONDUCTOR AND CABLE GENERAL REQUIREMENTS

A. Provide products that comply with requirements of NFPA 70.

B. Provide products listed and classified by Underwriters Laboratories Inc. as suitable for the purpose indicated.

C. Provide new conductors and cables manufactured not more than one year prior to installation.

D. Unless specifically indicated to be excluded, provide all required conduit, boxes, wiring, connectors, etc. as required for a complete operating system.

E. Comply with NEMA WC 70.

F. Thermoplastic-Insulated Conductors and Cables: Listed and labeled as complying with

UL 83.

G. Thermoset-Insulated Conductors and Cables: Listed and labeled as complying with UL

44.

H. Conductors for Grounding and Bonding: Also comply with Section 26 05 26.

I. Conductors and Cables Installed in Cable Tray: Listed and labeled as suitable for cable tray use.

J. Conductor Material:

1. Provide copper conductors only. Aluminum conductors are not acceptable for this project. Conductor sizes indicated are based on copper.

2. Copper Conductors: Soft drawn annealed, 98 percent conductivity, uncoated copper conductors complying with ASTM B3, ASTM B8, or ASTM B787/B 787M unless otherwise indicated.

3. Tinned Copper Conductors: Comply with ASTM B33.

K. Conductor Color Coding:

(FOR REFERENCE ONLY)

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1. Color code conductors as indicated unless otherwise required by the authority having jurisdiction. Maintain consistent color coding throughout project.

2. Color Coding Method: Integrally colored insulation.

a. Conductors size 4 AWG and larger may have black insulation color coded using vinyl color coding electrical tape.

3. Color Code:

a. 480Y/277 V, 3 Phase, 4 Wire System:

1) Phase A: Brown.

2) Phase B: Orange.

3) Phase C: Yellow.

4) Neutral/Grounded: Gray.

b. 480Y/277 V, 3 Phase, 3 Wire System:

1) Phase A: Brown.

2) Phase B: Orange.

3) Phase C: Yellow.

c. 208Y/120 V, 3 Phase, 4 Wire System:

1) Phase A: Black.

2) Phase B: Red.

3) Phase C: Blue.

4) Neutral/Grounded: White.

d. Equipment Ground, All Systems: Green.

e. For modifications or additions to existing wiring systems, comply with existing color code when existing code complies with NFPA 70 and is approved by the authority having jurisdiction.

4. Control Circuit Color Coding:

a. Analog input: Yellow marker, black red shielded cable, foil lined.

b. Analog output: Tan or Beige marker, black red shielded cable, foil lined.

c. 3 wire RTD's - Analog input: Yellow marker, black red white shielded cable, foil lined.

d. Digital Input (120VAC) 2/c: Orange marker, black red cable.

e. Digital Input (120VAC) 4/c: Orange marker, black red green white cable.

f. Digital Output (120VAC) 2/c: Purple marker, black red cable.

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g. Digital Output (120VAC) 4/c: Purple marker, black red green white cable.

2.3 SINGLE CONDUCTOR BUILDING WIRE

A. Manufacturers:

1. Copper Building Wire:

a. Cerro Wire LLC: www.cerrowire.com.

b. General Cable Corporation: www.generalcable.com

c. Encore Wire Corporation: www.encorewire.com.

d. Southwire Company: www.southwire.com.

B. Description: Single conductor insulated wire.

C. Conductor Stranding:

1. Feeders and Branch Circuits: Stranded.

2. Control Circuits: Stranded.

D. Insulation Voltage Rating: 600 V.

E. Insulation:

1. Copper Building Wire: Type THHN/THWN-2, except as indicated below.

a. Size 4 AWG and Larger: Type XHHW-2.

b. Installed Underground: Type XHHW-2.

2.4 POWER AND CONTROL TRAY CABLE

A. Manufacturers:

1. Encore Wire Corporation: www.encorewire.com.

2. General Cable Corporation: www.generalcable.com

3. Okonite: www.okonite.com.

4. Southwire Company: www.southwire.com.

B. Description: NFPA 70, Type TC cable listed and labeled as complying with UL 1277.

C. Conductor Stranding: Stranded.

D. Insulation Voltage Rating: 600 V.

E. Insulation: Type XHHW-2.

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F. Jacket: PVC or Chlorinated Polyethylene (CPE).

2.5 WIRING CONNECTORS

A. Description: Wiring connectors appropriate for the application, suitable for use with the conductors to be connected, and listed as complying with UL 486A-486B or UL 486C as applicable.

B. Connectors for Grounding and Bonding: Comply with Section 26 05 26.

C. Wiring Connectors for Splices and Taps:

1. Copper Conductors Size 8 AWG and Smaller: Use twist-on insulated spring connectors.

2. Copper Conductors Size 6 AWG and Larger: Use mechanical connectors or compression connectors.

D. Twist-on Insulated Spring Connectors: Rated 600 V, 221 degrees F (105 degrees C) for standard applications and 302 degrees F (150 degrees C) for high temperature applications; pre-filled with sealant and listed as complying with UL 486D for damp and wet locations.

1. Manufacturers:

a. 3M: www.3m.com.

b. Ideal Industries, Inc: www.idealindustries.com.

c. NSI Industries LLC: www.nsiindustries.com.

E. Mechanical Connectors: Provide bolted type or set-screw type.

1. Manufacturers:

a. Burndy: www.burndy.com.

b. Ilsco: www.ilsco.com.

c. Thomas & Betts Corporation: www.tnb.com.

F. Compression Connectors: Provide circumferential type or hex type crimp configuration.

1. Manufacturers:

a. Burndy: www.burndy.com.

b. Ilsco: www.ilsco.com.

c. Thomas & Betts Corporation: www.tnb.com.

(FOR REFERENCE ONLY)

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PART 3 - EXECUTION

3.1 PREPARATION

A. Clean raceways thoroughly to remove foreign materials before installing conductors and cables.

3.2 INSTALLATION

A. Circuiting Requirements:

1. Unless dimensioned, circuit routing indicated is diagrammatic.

2. When circuit destination is indicated and routing is not shown, determine exact routing required.

3. Arrange circuiting to minimize splices.

4. Include circuit lengths required to install connected devices within 10 ft (3.0 m) of location shown.

5. Maintain separation of Class 1, Class 2, and Class 3 remote-control, signaling, and power-limited circuits in accordance with NFPA 70.

6. 6. Common Neutrals: Unless otherwise indicated, sharing of neutral/grounded conductors among single phase branch circuits of different phases installed in the same raceway is not permitted. Provide dedicated neutral/grounded conductor for each individual branch circuit.

B. Install products in accordance with manufacturer's instructions.

C. Install conductors and cable in a neat and workmanlike manner in accordance with

NECA 1.

D. Installation in Raceway:

1. Tape ends of conductors and cables to prevent infiltration of moisture and other contaminants.

2. Pull all conductors and cables together into raceway at same time.

3. Do not damage conductors and cables or exceed manufacturer's recommended maximum pulling tension and sidewall pressure.

4. Use suitable wire pulling lubricant where necessary, except when lubricant is not recommended by the manufacturer.

E. Installation in Cable Tray: Also comply with Section 26 05 36.

F. Paralleled Conductors: Install conductors of the same length and terminate in the same manner.

(FOR REFERENCE ONLY)

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G. Secure and support conductors and cables in accordance with NFPA 70 using suitable supports and methods approved by the authority having jurisdiction. Provide independent support from building structure. Do not provide support from raceways, piping, ductwork, or other systems.

H. Neatly train and bundle conductors inside boxes, wireways, panelboards and other equipment enclosures.

I. Group or otherwise identify neutral/grounded conductors with associated ungrounded conductors inside enclosures in accordance with NFPA 70.

J. Make wiring connections using specified wiring connectors.

1. Make splices and taps only in accessible boxes. Do not pull splices into raceways or make splices in conduit bodies or wiring gutters.

2. Remove appropriate amount of conductor insulation for making connections without cutting, nicking or damaging conductors.

3. Do not remove conductor strands to facilitate insertion into connector.

4. Clean contact surfaces on conductors and connectors to suitable remove corrosion, oxides, and other contaminates. Do not use wire brush on plated connector surfaces.

5. Mechanical Connectors: Secure connections according to manufacturer's recommended torque settings.

6. Compression Connectors: Secure connections using manufacturer's recommended tools and dies.

K. Insulate splices and taps that are made with uninsulated connectors using methods suitable for the application, with insulation and mechanical strength at least equivalent to unspliced conductors.

1. Dry Locations: Use insulating covers specifically designed for the connectors, electrical tape, or heat shrink tubing.

a. For taped connections, first apply adequate amount of rubber splicing electrical tape or electrical filler tape, followed by outer covering of vinyl insulating electrical tape.

b. For taped connections likely to require re-entering, including motor leads, first apply varnished cambric electrical tape, followed by adequate amount of rubber splicing electrical tape, followed by outer covering of vinyl insulating electrical tape.

2. Damp Locations: Use insulating covers specifically designed for the connectors, (FOR REFERENCE ONLY)

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electrical tape, or heat shrink tubing.

a. For connections with insulating covers, apply outer covering of moisture sealing electrical tape.

b. For taped connections, follow same procedure as for dry locations but apply outer covering of moisture sealing electrical tape.

L. Insulate ends of spare conductors using vinyl insulating electrical tape.

M. Field-Applied Color Coding: Where vinyl color coding electrical tape is used in lieu of integrally colored insulation as permitted in Part 2 under "Color Coding", apply half overlapping turns of tape at each termination and at each location conductors are accessible.

N. Identify conductors and cables in accordance with Section 26 05 53.

O. Unless specifically indicated to be excluded, provide final connections to all equipment and devices, including those furnished by others, as required for a complete operating system.

3.3 FIELD QUALITY CONTROL

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

B. Testing Agency: Owner will engage testing agency.

C. Perform inspections and tests listed in NETA ATS, Section 7.3.2. The insulation resistance test is required for all conductors. The resistance test for parallel conductors listed as optional is not required.

D. Test Reports: Prepare a written report to record the following:

1. Test procedures used.

2. Test results that comply with requirements.

3. Test results that do not comply with requirements and corrective action taken to achieve compliance with requirements.

E. Correct deficiencies and replace damaged or defective conductors and cables.

END OF SECTION

(FOR REFERENCE ONLY)

GROUNDING AND BONDING FOR ELECTRICAL

SYSTEMS

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SECTION 26 05 26

GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS

PART 1 - GENERAL

1.1 SECTION INCLUDES

A. Grounding and bonding requirements.

B. Conductors for grounding and bonding.

C. Connectors for grounding and bonding.

1.2 RELATED REQUIREMENTS

A. Section 26 05 19 - Low-Voltage Electrical Power Conductors and Cables: Additional requirements for conductors for grounding and bonding, including conductor color coding.

B. Section 26 05 36 - Cable Trays for Electrical Systems: Additional grounding and bonding requirements for cable tray systems.

C. Section 26 05 53 - Identification for Electrical Systems: Identification products and requirements.

1.3 REFERENCE STANDARDS

A. NECA 1 - Standard for Good Workmanship in Electrical Construction; National Electrical

Contractors Association; most recent edition.

B. NETA ATS - Acceptance Testing Specifications for Electrical Power Equipment and

Systems; International Electrical Testing Association; most recent edition (ANSI/NETA

ATS).

C. NFPA 70 - National Electrical Code; National Fire Protection Association; Most Recent

Edition Adopted by Authority Having Jurisdiction, Including All Applicable Amendments and Supplements.

D. UL 467 - Grounding and Bonding Equipment; Current Edition, Including All Revisions.

1.4 SUBMITTALS

A. Product Data: Provide manufacturer's standard catalog pages and data sheets for

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grounding and bonding system components.

B. Field quality control test reports.

1.5 QUALITY ASSURANCE

A. Conform to requirements of NFPA 70.

B. Testing Agency Qualifications: Member company of NETA or an NRTL.

1. Testing Agency's Field Supervisor: Currently certified by NETA to supervise on-site testing.

C. Product Listing Organization Qualifications: An organization recognized by OSHA as a

Nationally Recognized Testing Laboratory (NRTL) and acceptable to authorities having jurisdiction.

D. Comply with UL 467 for grounding and bonding materials and equipment.

PART 2 - PRODUCTS

2.1 GROUNDING AND BONDING REQUIREMENTS

A. Existing Work: Where existing grounding and bonding system components are indicated to be reused, they may be reused only where they are free from corrosion, integrity and continuity are verified, and where acceptable to the authority having jurisdiction.

B. Do not use products for applications other than as permitted by NFPA 70 and product listing.

C. Unless specifically indicated to be excluded, provide all required components, conductors, connectors, conduit, boxes, fittings, supports, accessories, etc. as necessary for a complete grounding and bonding system.

D. Where conductor size is not indicated, size to comply with NFPA 70 but not less than applicable minimum size requirements specified.

E. Bonding and Equipment Grounding:

1. Provide bonding for equipment grounding conductors, equipment ground busses, metallic equipment enclosures, metallic raceways and boxes, device grounding terminals, and other normally non-current-carrying conductive materials enclosing electrical conductors/equipment or likely to become energized as indicated and in accordance with NFPA 70.

2. Provide insulated equipment grounding conductor in each feeder and branch

(FOR REFERENCE ONLY)

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circuit raceway. Do not use raceways as sole equipment grounding conductor.

3. Unless otherwise indicated, connect wiring device grounding terminal to branch circuit equipment grounding conductor and to outlet box with bonding jumper.

4. Terminate branch circuit equipment grounding conductors on solidly bonded equipment ground bus only. Do not terminate on neutral (grounded) or isolated/insulated ground bus.

5. Provide bonding jumper across expansion or expansion/deflection fittings provided to accommodate conduit movement.

F. Cable Tray Systems: Also comply with Section 26 05 36.

2.2 GROUNDING AND BONDING COMPONENTS

A. General Requirements:

1. Provide products listed, classified, and labeled as suitable for the purpose intended.

2. Provide products listed and labeled as complying with UL 467 where applicable.

B. Conductors for Grounding and Bonding, in Addition to Requirements of Section

26 05 26:

1. Use insulated copper conductors unless otherwise indicated.

a. Exceptions:

1) Use bare copper conductors where installed underground in direct contact with earth.

2) Use bare copper conductors where directly encased in concrete (not in raceway).

C. Connectors for Grounding and Bonding:

1. Description: Connectors appropriate for the application and suitable for the conductors and items to be connected; listed and labeled as complying with UL

467.

2. Unless otherwise indicated, use exothermic welded connections for underground, concealed and other inaccessible connections.

3. Unless otherwise indicated, use mechanical connectors, compression connectors, or exothermic welded connections for accessible connections.

PART 3 - EXECUTION

3.1 INSTALLATION

(FOR REFERENCE ONLY)

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A. Install products in accordance with manufacturer's instructions.

B. Conductors: Install solid conductor for No. 8 AWG and smaller, and stranded conductors for No. 6 AWG and larger unless otherwise indicated.

C. Install grounding and bonding system components in a neat and workmanlike manner in accordance with NECA 1.

D. Make grounding and bonding connections using specified connectors.

1. Remove appropriate amount of conductor insulation for making connections without cutting, nicking or damaging conductors. Do not remove conductor strands to facilitate insertion into connector.

2. Remove nonconductive paint, enamel, or similar coating at threads, contact points, and contact surfaces.

3. Exothermic Welds: Make connections using molds and weld material suitable for the items to be connected in accordance with manufacturer's recommendations.

4. Mechanical Connectors: Secure connections according to manufacturer's recommended torque settings.

5. Compression Connectors: Secure connections using manufacturer's recommended tools and dies.

E. Equipment Grounding:

1. Install insulated equipment grounding conductors with all feeders and branch circuits.

F. Identify grounding and bonding system components in accordance with Section

26 05 53.

3.2 FIELD QUALITY CONTROL

A. Testing Agency: Engage a qualified testing agency to perform tests and inspections.

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

C. Perform inspections and tests listed in NETA ATS, Section 7.13.

D. Perform ground electrode resistance tests under normally dry conditions. Precipitation within the previous 48 hours does not constitute normally dry conditions.

E. Investigate and correct deficiencies where measured ground resistances do not comply with specified requirements.

(FOR REFERENCE ONLY)

http://global.ihs.com/doc_detail.cfm?rid=BSD&document_name=NECA%20NEIS%201

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F. Submit detailed reports indicating inspection and testing results and corrective actions taken.

HANGERS AND SUPPORTS FOR ELECTRICAL

29JANUARY16 260529 - 1

SECTION 26 05 29

HANGERS AND SUPPORTS FOR ELECTRICAL SYSTEMS

PART 1 - GENERAL

1.1 SECTION INCLUDES

A. Support and attachment components for equipment, conduit, cable, boxes, and other electrical work.

1.2 RELATED REQUIREMENTS

A. Section 26 05 34 - Conduit: Additional support and attachment requirements for conduits.

B. Section 26 05 36 - Cable Trays for Electrical Systems: Additional support and attachment requirements for cable tray.

C. Section 26 05 37 - Boxes: Additional support and attachment requirements for boxes.

1.3 REFERENCE STANDARDS

A. ASTM A123/A123M - Standard Specification for Zinc (Hot-Dip Galvanized) Coatings on

Iron and Steel Products; most recent edition.

B. ASTM A153/A153M - Standard Specification for Zinc Coating (Hot-Dip) on Iron and Steel

Hardware; most recent edition.

C. ASTM B633 - Standard Specification for Electrodeposited Coatings of Zinc on Iron and

Steel; most recent edition.

D. MFMA-4 - Metal Framing Standards Publication; Metal Framing Manufacturers

Association; most recent edition.

E. NECA 1 - Standard for Good Workmanship in Electrical Construction; National Electrical

Contractors Association; most recent edition.

F. NFPA 70 - National Electrical Code; National Fire Protection Association; Most Recent

Edition Adopted by Authority Having Jurisdiction, Including All Applicable Amendments and Supplements.

1.4 ADMINISTRATIVE REQUIREMENTS

29JANUARY16 260529 - 2

A. Coordination:

1. Coordinate sizes and arrangement of supports and bases with the actual equipment and components to be installed.

2. Coordinate the work with other trades to provide additional framing and materials required for installation.

3. Coordinate compatibility of support and attachment components with mounting surfaces at the installed locations.

4. Coordinate the arrangement of supports with ductwork, piping, equipment and other potential conflicts installed under other sections or by others.

5. Notify Architect of any conflicts with or deviations from the contract documents.

Obtain direction before proceeding with work.

1.5 SUBMITTALS

A. Product Data: Provide manufacturer's standard catalog pages and data sheets for metal channel (strut) framing systems, non-penetrating rooftop supports, and post-installed concrete and masonry anchors.

1.6 QUALITY ASSURANCE

A. Comply with NFPA 70.

1.7 DELIVERY, STORAGE, AND HANDLING

A. Receive, inspect, handle, and store products in accordance with manufacturer's instructions.

PART 2 - PRODUCTS

2.1 SUPPORT AND ATTACHMENT COMPONENTS

A. General Requirements:

1. Provide all required hangers, supports, anchors, fasteners, fittings, accessories, and hardware as necessary for the complete installation of electrical work.

2. Provide products listed, classified, and labeled as suitable for the purpose intended, where applicable.

3. Where support and attachment component types and sizes are not indicated, select in accordance with manufacturer's application criteria as required for the load to be supported with a minimum safety factor of 5. Include consideration for vibration, equipment operation, and shock loads where applicable.

4. Do not use products for applications other than as permitted by NFPA 70 and

(FOR REFERENCE ONLY)

29JANUARY16 260529 - 3

product listing.

5. Do not use wire, chain, perforated pipe strap, or wood for permanent supports unless specifically indicated or permitted.

6. Steel Components: Use corrosion resistant materials suitable for the environment where installed.

a. Indoor Dry Locations: Use zinc-plated steel or approved equivalent unless otherwise indicated.

b. Outdoor and Damp or Wet Indoor Locations: Use galvanized steel or stainless steel unless otherwise indicated.

c. Zinc-Plated Steel: Electroplated in accordance with ASTM B633.

d. Galvanized Steel: Hot-dip galvanized after fabrication in accordance with

ASTM A123/A123M or ASTM A153/A153M.

B. Conduit and Cable Supports: Straps, clamps, etc. suitable for the conduit or cable to be supported.

1. Conduit Straps: One-hole or two-hole type; steel or malleable iron.

2. Conduit Clamps: Bolted type unless otherwise indicated.

3. Manufacturers:

a. Cooper Crouse-Hinds, a division of Eaton Corporation:

www.cooperindustries.com.

b. Erico International Corporation: www.erico.com.

c. O-Z/Gedney, a brand of Emerson Industrial Automation:

www.emersonindustrial.com.

d. Thomas & Betts Corporation: www.tnb.com.

C. Metal Channel (Strut) Framing Systems: Factory-fabricated continuous-slot metal channel (strut) and associated fittings, accessories, and hardware required for field-assembly of supports.

1. Comply with MFMA-4.

2. Channel Material:

a. Indoor Dry Locations: Use painted steel, zinc-plated steel, or galvanized steel.

b. Outdoor and Damp or Wet Indoor Locations: Use galvanized steel.

3. Minimum Channel Thickness: Steel sheet, 12 gage, 0.1046 inch (2.66 mm).

4. Minimum Channel Dimensions: 1-5/8 inch (41 mm) width by 13/16 inch (21 mm) height.

5. Manufacturers:

(FOR REFERENCE ONLY)

http://global.ihs.com/doc_detail.cfm?rid=BSD&document_name=ASTM%20B633 http://global.ihs.com/doc_detail.cfm?rid=BSD&document_name=ASTM%20A123/A123M http://global.ihs.com/doc_detail.cfm?rid=BSD&document_name=ASTM%20A153/A153M http://www.metalframingmfg.org/

29JANUARY16 260529 - 4

a. Cooper B-Line, a division of Eaton Corporation:

www.cooperindustries.com.

b. Thomas & Betts Corporation: www.tnb.com.

c. Unistrut, a brand of Atkore International Inc: www.unistrut.com.

D. Hanger Rods: Threaded zinc-plated steel unless otherwise indicated.

1. Minimum Size, Unless Otherwise Indicated or Required:

a. Equipment Supports: 1/2 inch (13 mm) diameter.

b. Single Conduit up to 1 inch (27mm) trade size: 1/4 inch (6 mm) diameter.

c. Single Conduit larger than 1 inch (27mm) trade size: 3/8 inch (10 mm) diameter.

d. Trapeze Support for Multiple Conduits: 3/8 inch (10 mm) diameter.

e. Luminaires: 1/4 inch (6 mm) diameter.

E. Anchors and Fasteners:

1. Unless otherwise indicated and where not otherwise restricted, use the anchor and fastener types indicated for the specified applications.

2. Concrete: Use preset concrete inserts, expansion anchors, or screw anchors.

3. Solid or Grout-Filled Masonry: Use expansion anchors or screw anchors.

4. Steel: Use beam clamps, machine bolts, or welded threaded studs.

5. Sheet Metal: Use sheet metal screws.

6. Plastic and lead anchors are not permitted.

7. Powder-actuated fasteners are not permitted.

8. Hammer-driven anchors and fasteners are not permitted.

9. Preset Concrete Inserts: Continuous metal channel (strut) and spot inserts specifically designed to be cast in concrete ceilings, walls, and floors.

a. Comply with MFMA-4.

b. Channel Material: Use galvanized steel.

c. Minimum Channel Thickness: Steel sheet, 12 gage, 0.1046 inch (2.66 mm) minimum base metal thickness.

d. Manufacturer: Same as manufacturer of metal channel (strut) framing system.

10. Post-Installed Concrete and Masonry Anchors: Evaluated and recognized by ICC

Evaluation Service, LLC (ICC-ES) for compliance with applicable building code.

11. Manufacturers - Mechanical Anchors:

a. Hilti, Inc: www.us.hilti.com.

http://www.metalframingmfg.org/

29JANUARY16 260529 - 5

b. ITW Red Head, a division of Illinois Tool Works, Inc: www.itwredhead.com.

c. Powers Fasteners, Inc: www.powers.com.

d. Simpson Strong-Tie Company Inc: www.strongtie.com.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Verify that field measurements are as shown on the approved engineering drawings.

B. Verify that mounting surfaces are ready to receive support and attachment components.

C. Verify that conditions are satisfactory for installation prior to starting work.

3.2 INSTALLATION

A. Install products in accordance with manufacturer's instructions.

B. Install support and attachment components in a neat and workmanlike manner in accordance with NECA 1.

C. Install anchors and fasteners in accordance with ICC Evaluation Services, LLC (ICC-ES) evaluation report conditions of use where applicable.

D. Provide independent support from building structure. Do not provide support from piping, ductwork, or other systems.

E. Unless specifically indicated or approved by Architect, do not provide support from suspended ceiling support system or ceiling grid.

F. Unless specifically indicated or approved by Architect, do not provide support from roof deck.

G. Do not penetrate or otherwise notch or cut structural members without approval of

Architect.

H. Equipment Support and Attachment:

1. Use metal fabricated supports or supports assembled from metal channel (strut) to support equipment as required.

2. Use metal channel (strut) secured to studs to support equipment surface-mounted on hollow stud walls when wall strength is not sufficient to resist pull-out.

http://global.ihs.com/doc_detail.cfm?rid=BSD&document_name=NECA%20NEIS%201

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3. Use metal channel (strut) to support surface-mounted equipment in wet or damp locations to provide space between equipment and mounting surface.

4. Securely fasten floor-mounted equipment. Do not install equipment such that it relies on its own weight for support.

I. Conduit Support and Attachment: Also comply with Section 26 05 34.

J. Cable Tray Support and Attachment: Also comply with Section 26 05 36.

K. Box Support and Attachment: Also comply with Section 26 05 37.

L. Preset Concrete Inserts: Use manufacturer provided closure strips to inhibit concrete seepage during concrete pour.

M. Secure fasteners according to manufacturer's recommended torque settings.

N. Remove temporary supports.

3.3 FIELD QUALITY CONTROL

A. Inspect support and attachment components for damage and defects.

B. Repair cuts and abrasions in galvanized finishes using zinc-rich paint recommended by manufacturer. Replace components that exhibit signs of corrosion.

C. Correct deficiencies and replace damaged or defective support and attachment components.

CONDUIT

29JANUARY16 260534 - 1

SECTION 26 05 34

CONDUIT

PART 1 - GENERAL

1.1 SECTION INCLUDES

A. Galvanized steel rigid metal conduit (RMC).

B. Intermediate metal conduit (IMC).

C. Electrical metallic tubing (EMT).

D. Liquidtight flexible nonmetallic conduit (LFNC).

E. Conduit fittings.

1.2 RELATED REQUIREMENTS

A. Section 26 05 26 - Grounding and Bonding for Electrical Systems.

1. Includes additional requirements for fittings for grounding and bonding.

B. Section 26 05 29 - Hangers and Supports for Electrical Systems.

C. Section 26 05 35 - Surface Raceways.

D. Section 26 05 37 - Boxes.

E. Section 27 10 05 - Structured Cabling for Voice and Data - Inside-Plant: Additional requirements for communications systems conduits.

1.3 REFERENCE STANDARDS

A. ANSI C80.1 - American National Standard for Electrical Rigid Steel Conduit (ERSC); most recent edition.

B. ANSI C80.3 - American National Standard for Steel Electrical Metallic Tubing (EMT); most recent edition.

C. ANSI C80.6 - American National Standard for Electrical Intermediate Metal Conduit

(EIMC); most recent edition.

29JANUARY16 260534 - 2

D. NECA 1 - Standard for Good Workmanship in Electrical Construction; National Electrical

Contractors Association; most recent edition.

E. NECA 101 - Standard for Installing Steel Conduits (Rigid, IMC, EMT); National Electrical

Contractors Association; most recent edition.

F. NECA 111 - Standard for Installing Nonmetallic Raceways (RNC, ENT, LFNC); National

Electrical Contractors Association; most recent edition.

G. NEMA FB 1 - Fittings, Cast Metal Boxes, and Conduit Bodies for Conduit, Electrical

Metallic Tubing, and Cable; National Electrical Manufacturers Association; most recent edition (ANSI/NEMA FB 1).

H. NFPA 70 - National Electrical Code; National Fire Protection Association; Most Recent

Edition Adopted by Authority Having Jurisdiction, Including All Applicable Amendments and Supplements.

I. UL 6 - Electrical Rigid Metal Conduit-Steel; Current Edition, Including All Revisions.

J. UL 514B - Conduit, Tubing, and Cable Fittings; Current Edition, Including All Revisions.

K. UL 797 - Electrical Metallic Tubing-Steel; Current Edition, Including All Revisions.

L. UL 1242 - Electrical Intermediate Metal Conduit-Steel; Current Edition, Including All

Revisions.

M. UL 1660 - Liquid-Tight Flexible Nonmetallic Conduit; Current Edition, Including All

Revisions.

1.4 ADMINISTRATIVE REQUIREMENTS

A. Coordination:

1. Coordinate the arrangement of conduits with structural members, ductwork, piping, equipment and other potential conflicts installed under other sections or by others.

2. Verify exact conduit termination locations required for boxes, enclosures, and equipment installed under other sections or by others.

3. Coordinate the work with other trades to provide roof penetrations that preserve the integrity of the roofing system and do not void the roof warranty.

4. Notify Architect of any conflicts with or deviations from the contract documents.

Obtain direction before proceeding with work.

29JANUARY16 260534 - 3

1.5 SUBMITTALS

A. Product Data: Provide manufacturer's standard catalog pages and data sheets for conduits and fittings.

B. Shop Drawings:

1. Include proposed locations of roof penetrations and proposed methods for sealing.

1.6 QUALITY ASSURANCE

A. Conform to requirements of NFPA 70.

B. Product Listing Organization Qualifications: An organization recognized by OSHA as a

Nationally Recognized Testing Laboratory (NRTL) and acceptable to authorities having jurisdiction.

PART 2 - PRODUCTS

2.1 CONDUIT APPLICATIONS

A. Do not use conduit and associated fittings for applications other than as permitted by

NFPA 70 and product listing.

B. Unless otherwise indicated and where not otherwise restricted, use the conduit types indicated for the specified applications. Where more than one listed application applies, comply with the most restrictive requirements. Where conduit type for a particular application is not specified, use galvanized steel rigid metal conduit.

C. Interior, Damp or Wet Locations: Use galvanized steel rigid metal conduit.

D. Utility Tunnel Communication Conduit: Use galvanized steel rigid metal conduit.

E. Fire Alarm Conduit: Use electrical metallic tubing (EMT).

F. Exposed, Interior, Not Subject to Physical Damage: Use galvanized steel rigid metal conduit.

G. Exposed, Interior, Subject to Physical Damage: Use galvanized steel rigid metal conduit.

H. Concealed, Exterior, Not Embedded in Concrete or in Contact With Earth: Use galvanized steel rigid metal conduit.

(FOR REFERENCE ONLY)

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2.2 CONDUIT REQUIREMENTS

A. Existing Work: Where existing conduits are indicated to be reused, they may be reused only where they comply with specified requirements, are free from corrosion, and integrity is verified by pulling a mandrel through them.

B. Communications Systems Conduits: Also comply with Section 27 10 05.

C. Fittings for Grounding and Bonding: Also comply with Section 26 05 26.

D. Provide all conduit, fittings, supports, and accessories required for a complete raceway system.

E. Provide products listed, classified, and labeled as suitable for the purpose intended.

F. Minimum Conduit Size, Unless Otherwise Indicated:

1. Branch Circuits: 3/4 inch (21 mm) trade size.

2. Branch Circuit Homeruns: 3/4 inch (21 mm) trade size.

3. Control Circuits: 1 inch (27 mm) trade size.

4. Flexible Connections to Luminaires: 1/2 inch (16 mm) trade size.

G. Where conduit size is not indicated, size to comply with NFPA 70 but not less than applicable minimum size requirements specified.

2.3 GALVANIZED STEEL RIGID METAL CONDUIT (RMC)

A. Manufacturers:

1. Allied Tube & Conduit: www.alliedeg.com.

2. Republic Conduit: www.republic-conduit.com.

3. Wheatland Tube Company: www.wheatland.com.

B. Description: NFPA 70, Type RMC galvanized steel rigid metal conduit complying with

ANSI C80.1 and listed and labeled as complying with UL 6.

C. Fittings:

1. Manufacturers:

a. Bridgeport Fittings Inc: www.bptfittings.com.

b. O-Z/Gedney, a brand of Emerson Industrial Automation:

www.emersonindustrial.com.

(FOR REFERENCE ONLY)

http://global.ihs.com/doc_detail.cfm?rid=BSD&document_name=NFPA%2070 http://global.ihs.com/doc_detail.cfm?rid=BSD&document_name=NFPA%2070 http://global.ihs.com/doc_detail.cfm?rid=BSD&document_name=ANSI%20C80.1 http://global.ihs.com/doc_detail.cfm?rid=BSD&document_name=UL%206

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c. Thomas & Betts Corporation: www.tnb.com.

2. Non-Hazardous Locations: Use fittings complying with NEMA FB 1 and listed and labeled as complying with UL 514B.

3. Material: Use steel or malleable iron.

4. Connectors and Couplings: Use threaded type fittings only. Threadless set screw and compression (gland) type fittings are not permitted.

2.4 INTERMEDIATE METAL CONDUIT (IMC)

A. Manufacturers:

1. Allied Tube & Conduit: www.alliedeg.com.

2. Republic Conduit: www.republic-conduit.com.

3. Wheatland Tube Company: www.wheatland.com.

B. Description: NFPA 70, Type IMC galvanized steel intermediate metal conduit complying with ANSI C80.6 and listed and labeled as complying with UL 1242.

C. Fittings:

1. Manufacturers:

a. Bridgeport Fittings Inc: www.bptfittings.com.

b. O-Z/Gedney, a brand of Emerson Industrial Automation:

www.emersonindustrial.com.

c. Thomas & Betts Corporation: www.tnb.com.

2. Non-Hazardous Locations: Use fittings complying with NEMA FB 1 and listed and labeled as complying with UL 514B.

3. Material: Use steel or malleable iron.

a. Do not use die cast zinc fittings.

4. Connectors and Couplings: Use threaded type fittings only. Threadless set screw and compression (gland) type fittings are not permitted.

2.5 ELECTRICAL METALLIC TUBING (EMT)

A. Manufacturers:

1. Allied Tube & Conduit: www.alliedeg.com.

2. Republic Conduit: www.republic-conduit.com.

3. Wheatland Tube Company: www.wheatland.com.

(FOR REFERENCE ONLY)

http://global.ihs.com/doc_detail.cfm?rid=BSD&document_name=NEMA%20FB%201 http://global.ihs.com/doc_detail.cfm?rid=BSD&document_name=UL%20514B http://global.ihs.com/doc_detail.cfm?rid=BSD&document_name=NFPA%2070 http://global.ihs.com/doc_detail.cfm?rid=BSD&document_name=ANSI%20C80.6 http://global.ihs.com/doc_detail.cfm?rid=BSD&document_name=UL%201242 http://global.ihs.com/doc_detail.cfm?rid=BSD&document_name=NEMA%20FB%201 http://global.ihs.com/doc_detail.cfm?rid=BSD&document_name=UL%20514B

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B. Description: NFPA 70, Type EMT steel electrical metallic tubing complying with ANSI

C80.3 and listed and labeled as complying with UL 797.

C. Fittings:

1. Manufacturers:

a. Bridgeport Fittings Inc: www.bptfittings.com.

b. O-Z/Gedney, a brand of Emerson…