MAB Ph 2 Design Electrical Cabling and Equipment - Project Manual.pdf

Moore Air Base Phase 2 Design Electrical Cabling and Equipment– Project Manual Contract No. AG-6395-C-16-0119 / Order No. 12639520F0412

USDA APHIS PPQ

Edinburgh, Texas

Issue for Construction May 9, 2022

00 01 05.doc

Project Manual for

Moore Air Base Phase 2 Design Electrical Cabling and Equipment– Project Manual Contract No. AG-6395-C-16-0119 / Order No. 12639520F0412

USDA APHIS PPQ

Edinburgh, Texas

Texas Registration #116530 License Expiration Date: 12-31-2022 Texas Firm Registration No. F-174

27100.26.00 TABLE OF CONTENTS

ms2116 SECTION 00 01 10 - Page 1

MOORE AIR BASE PHASE 2 DESIGN

ELECTRICAL CABLING AND EQUIPMENT

USDA APHIS PPQ

EDINBURGH, TEXAS

FACILITY SERVICES SUBGROUP

DIVISION 26 ELECTRICAL

Resp.

Charge Document Title Page EEL 26 05 00 Common Work Results for Electrical 1 to 17 EEL 26 05 33 Above-Grade Raceway 1 to 7 EEL 26 05 43 Below-Grade Raceway 1 to 8 EEL 26 13 16-19 Medium-Voltage, Pad-Mounted Switches 1 to 7

SITE AND INFRASTRUCTURE SUBGROUP

DIVISION 33 UTILITIES

EEL 33 71 49 Medium-Voltage Cable and Accessories 1 to 8 EEL 33 73 29 Pad-Mounted Transformers 1 to 9

27100.26.00 COMMON WORK RESULTS FOR ELECTRICAL

ms2116 SECTION 26 05 00 - Page 1

PART 1 GENERAL

1.01 SECTION INCLUDES

A. General electrical requirements for equipment, services, and installations including, but not limited to:

1. Factory wiring.

2. Low-voltage field wiring.

3. Low-voltage splices and terminations.

4. Electrical enclosures.

5. Outlet boxes

6. Pull boxes and junction boxes.

7. Equipment safety grounding.

8. Fuses and fuse blocks.

9. Electrical meters.

10. Control relays.

11. Control switches.

12. Pushbuttons.

13. Indicating lights.

14. Alarm and trip contacts.

15. Separately mounted combination motor starters.

16. Local separate manual starter.

17. Local separated low-voltage circuit breakers

18. Local separate disconnect switches.

19. Dc motor starters.

20. General purpose distribution transformers.

21. Motor power factor correction capacitors.

22. Plates and covers.

23. Wiring devices,

24. Welding.

25. Welding receptacles.

26. Panelboards.

27. Circuit breakers

28. Shop finish.

29. Rust-inhibiting compounds.

30. Galvanizing.

31. Packaging, identification, and tagging.

32. Equipment nameplates.

33. Hardware.

34. Logic systems factory testing.

35. Examination of Site.

36. Protection of Work.

37. Equipment and material installation.

38. Protective devices settings and coordination.

39. Cable installation.

40. Wiring devices, boxes, and fittings installation.

41. Grounding and bonding.

42. Power factor correction installation.

43. Fireproofing and fire ratings.

44. Startup and testing.

45. Testing and demonstration.

46. Seismic requirements data sheet.

1.02 INFORMATIONALSUBMITTALS

A. Submit with Bid: Description of manufacturer’s standard factory test procedure for logic systems.

COMMON WORK RESULTS FOR ELECTRICAL 27100.26.00

Page 2 - SECTION 26 05 00 ms2116

B. Product Data:

1. List of proposed material identifying manufacturer, type and model number for equipment to be provided for complete job.

2. Manufacturer’s catalog sheets marked to indicate specific type, model or catalog number of equipment to be provided.

3. Equipment drawings, elementary diagrams, schematics, wiring, performance curves, instruction manuals, and all other documentation necessary for complete description of material being supplied and as required to support installation, commissioning and maintenance of equipment.

Manufacturer's standard connection diagram or schematic showing more than one scheme of connection will not be accepted.

4. Manufacturer’s technical descriptions, product data sheets, and applicable manuals for use in protective device system coordination including:

a. Fuse manufacturer, type, ratings, and protection curves.

b. Circuit breaker manufacturer, type, trip setting ranges, and protection curves.

c. Relay trip device ranges, curves, and setting manuals.

d. Transformer damage curves.

e. CT ratios and saturation curves.

f. VT ratings.

5. List of nameplates.

6. List of recommended spare parts required for equipment start-up, commissioning and operation.

7. List of special maintenance tools required for installation and operation of equipment.

8. If necessary, provide additional data to clearly demonstrate that proposed alternate equipment meets or exceeds equipment as specified.

9. When requested by Engineer, submit system information, including but not limited to, utility feeders, existing relays, circuit breakers, fuses, and transformers.

1.03 CLOSEOUT SUBMITTALS

A. Operation and maintenance manuals. Provide at minimum:

1. Itemized equipment list.

2. General description and technical data.

3. Receiving, storage, installation, and testing instructions.

4. Operating and maintenance procedures.

5. Complete set of approved final drawings requiring no further action.

6. Complete documentation of inspections and tests performed, including logs, curves, and certificates. Documentation shall note any replacement of equipment or components that failed during testing.

7. Spare parts list.

8. Lubrication recommendations.

9. Warranty information.

1.04 MAINTENANCE MATERIALS

A. Extra materials: Provide touchup paint in same type and color to repair at least 25% of finish-painted equipment surface. Paint shall be sufficient to perform touch-up painting in accordance with shop-applied material instructions for repair painting.

B. Each piece of equipment shall be furnished with special tools as required for installation, maintenance, and dismantling of equipment.

1. Furnish in quantities as necessary to complete work on schedule.

2. Tools shall be new and shall become property of Owner.

3. Tools and intended use shall be identified in assembly instructions. Tools shall only be used for their intended purpose.

ms2116 SECTION 26 05 00 - Page 3

1.05 QUALITY ASSURANCE

A. Manufacturer qualifications:

1. Manufacturer of equipment specified shall be recognized in industry for normally supplying this type of equipment.

2. ISO certified.

3. When requested by Engineer, provide list of similar equipment installations that have employed identical equipment from manufacturer.

B. Installer qualifications:

1. Installer shall be skilled in trade and shall have thorough knowledge of products and equipment specified.

2. Cutting, drilling, trenching, or channeling necessary to properly install equipment shall be performed by competent skilled crafts people in safe, professional manner.

C. Regulatory requirements: Perform electrical construction in accordance with NEC, local and state codes as applicable to job site.

D. Materials and equipment furnished for permanent installation shall be new, unused, and undamaged.

E. Asbestos not allowed.

F. Parts shall be manufactured to American industry standard sizes and gages to facilitate maintenance and interchangeability. Metric sized components not allowed unless specifically requested and approved.

1.06 DELIVERY, STORAGE, AND HANDLING

A. Pack, ship, handle, and store in accordance with manufacturer’s requirements.

B. Ship equipment completely factory assembled unless physical size, arrangement, configuration, or shipping and handling limitations make this impracticable. Shipping splits and required field assembly shall be identified with equipment submittals.

C. Costs associated with sections, accessories, or appurtenances requiring field assembly shall be Contractor’s responsibility.

D. Separately packaged parts and accessories shall be consolidated and shipped together with equipment. Mark each container clearly to identify contents and as belonging with main equipment.

1. Provide individual weatherproof itemized packing slips attached to outside of each container for contents included. Provide duplicate inside each container.

2. Attach master packing list, covering accessory items for equipment, to main piece of equipment.

3. Mark each container with project identification number for equipment and container number followed by total number of containers.

E. Equipment shall be suitably protected during shipment, handling, and storage. Damage incurred during shipment shall be repaired or replaced at no cost to Owner.

F. Protect coated surfaces against impact, abrasion, and discoloration.

G. Electrical equipment and insulation systems shall be protected against ingress of moisture. Use space heaters if necessary to protect against moisture.

H. Grease and protect exposed threads.

I. Close pipe, tube, and conduit connections with rough usage plugs. Seal and tape open ends of piping, tubing, and conduit.

Page 4 - SECTION 26 05 00 ms2116

J. Cover equipment openings to seal equipment.

K. Store materials in clean, dry place. Protect from weather, dirt, water, construction debris, and physical damage in accordance with manufacturer’s instructions.

1.07 SCHEDULING

A. Coordinate with Owner early and late shipping and delivery schedules for items requiring storage and handling at Site.

1.08 WARRANTY

A. Electrical equipment shall be provided with manufacturer’s standard warranty, but not less than 1 year.

PART 2 PRODUCTS

2.01 DESIGN CRITERIA

A. Service conditions: Provide equipment and material suitable for intended service and installation at location indicated.

B. Low-voltage auxiliary and control power.

1. Electrical power for ac control and instrumentation equipment:

a. Provide devices necessary for proper operation and protection of equipment during electrical power supply and ambient temperature fluctuations specified.

b. Design for continuous operation at any voltage from 85% to 110% of nominal voltage.

Dropout voltage shall be 60% of nominal for relays and 75% for contactors and starters.

2. Electrical power for dc devices:

a. Design for continuous operation on ungrounded station battery system, capable of maintaining operation at any voltage from 80% to 112% of nominal voltage.

b. Electrical devices served shall not impose ground connection on supply.

C. Auxiliary power: Design auxiliary equipment for low-voltage service, with electrical power designed to operate from one of nominal electrical power sources as follows and as indicated on Drawings:

Volts Phase Frequency (Hz)

480Y/277 3 or 1 60 208Y/120 3 or 1 60 120/240 1 60

2.02 LOW-VOLTAGE FIELD WIRING

A. Cables specified are for voltages 600 volts and below.

B. Wiring shall be annealed, bare copper with not less than 98% conductivity, unless specified otherwise.

C. Provide conductor identification sleeve on each end of every conductor. Mark each sleeve with typed, non-smudging, permanent black ink. Hand written sleeves are not acceptable. Sleeves shall be UV-resistant self-adhesive or flexible irradiated PVC heat shrink tubing type, not less than 1/2” (13 mm) long. Conductor identification as shown on the:

1. Electrical oneline drawings

2. Cable schedule

3. Schematic drawings, ms2116 SECTION 26 05 00 - Page 5

D. General-purpose building conductor used on interior lighting circuits and general-purpose branch circuits routed entirely in conduit shall be single conductor.

1. Voltage rating: 600-volt.

2. Conductor: Class B, solid or stranded, annealed, uncoated copper, minimum size No. 12 AWG

(4.0 mm2).

3. Insulation: Polyvinyl chloride (PVC) complying with NEC for type THHN or THWN.

4. Jacket: Overall clear nylon jacket applied over conductor insulation, UL-listed as gasoline and oil resistant.

5. Cables shall pass UL 1685, IEEE 1202 VW-1 70,000 Btu/hr, UL Standard 83 for Type THHN or

THWN wire.

6. Color coding:

a. provide conductor sizes No. 8 AWG (10 mm2) and smaller in following colors

1) Source voltage of 208Y/120 volts:

a) Phase A: Black.

b) Phase B: Red.

c) Phase C: Blue.

d) Neutral: White.

2) Source voltage of 120/240 volts:

a) Phase A: Black.

b) Phase B: Red.

c) Neutral: White.

3) Source voltage of 480Y/277 volts:

a) Phase A: Brown.

b) Phase B: Orange.

c) Phase C: Yellow.

d) Neutral: Gray.

b. Sizes No. 6 AWG (16 mm2) and larger shall be black and color-coded with field-applied tape.

7. Installations in dry or wet locations shall utilize THWN.

E. Uninsulated and Insulated grounding conductors:

1. Voltage rating: 600 volts, green XHHW-2, when insulated.

2. Conductors: Class B, stranded, bare copper.

F. Pin and socket connectors are not allowed.

2.03 LOW-VOLTAGE SPLICES AND TERMINATIONS

A. Splices, except as in lighting and general purpose power circuits specified below, not allowed unless specifically indicated on Drawings or required for connection to equipment.

B. Temperature rating of splices and terminations shall be rated no less than 75oC.

C. Splices allowed in lighting and general-purpose power circuits.

1. Provide wire and cable connectors of high-conductivity, corrosion-resistant material with contact area equal to at least current carrying capacity of wire or cable.

2. General lighting and general-purpose building power circuits:

a. Twist-type, insulated spring connectors for splices on solid or stranded conductors smaller than No. 6 AWG (16 mm2).

b. Use indent, hex screw, or bolt clamp-type connectors, with or without tongue for splices on solid or stranded conductors No. 6 AWG (16 mm2) and larger.

c. Apply insulating 600-volt tape.

D. Insulating tapes and compounds for terminations and splices shall be UL-listed for intended use, location, and voltage by manufacturer.

Page 6 - SECTION 26 05 00 ms2116

E. Termination of conductors to equipment with bolted connections:

1. Use compression type lugs:

2. Compression lugs for cables 250 kcmil (150 mm2) and larger shall have at least 2 clamping elements of compression indents, and provision for at least 2 bolts for joining to apparatus terminals.

3. Crimping hand tools used for securing conductors in compression type connectors or terminal lugs shall be made for purpose and conductor sizes involved.

4. Crimping tools shall be ratchet-type preventing tool from opening until crimp action is completed.

5. Tools shall be product approved by connector manufacturer.

F. Terminals:

1. Conductors No. 10 AWG (6 mm2) and smaller: Marathon 1500 Series.

2. Conductors larger than No. 4/0 AWG (120 mm2): Terminate to tinned copper bus bar drilled and tapped with standard NEMA sized and spaced holes.

G. Coordinate sizes and types of conductor terminals for 600-volt power cable terminations in equipment with furnished conductor and terminal connector data.

H. Install shorting-type terminal blocks nearest current transformer in accessible location for each set of CTs supplied with equipment furnished, no other shorting-type terminal blocks allowed, unless specified otherwise.

I. Install din-rail mounted miniature circuit breakers (MCB) for protection of VT circuits on line and load side. Breakers shall have alarm contacts wired to terminal blocks.

J. Terminate each conductor in multiconductor control cable or as shown on Drawings. Provide 10% spare terminals for circuit modifications.

K. Each control switch and lockout relay shall have minimum of 4 spare normally open and 4 spare normally closed contacts wired out to terminal blocks.

L. Circuit identification number listed on either circuit schedule or panel schedule shall be used to identify circuit, positioned as near as possible to end of each conductor on multiple single wire circuits and on cable jacket for multiconductor cables.

M. Cable designations shall be visible after installation without requiring physical movement of cable.

2.04 CABLE SEPARATION

A. Use following general practices for cable separation for all levels of cabling:

1. Cables of like signal levels and power levels shall be grouped together in like raceways.

2. Different voltage class group levels shall run in separate raceways.

3. Circuit cables dedicated to unit shall be run in separate raceways from other unit.

4. Redundant power supply circuit cables shall not be run in same raceway.

5. If wires are same level and same type signal, group those wires from one cabinet to any one specific location together in multi-conductor cables.

6. When unlike signals must cross in trays or conduit, cross in 90° angles at maximum spacing.

Where it is not possible to maintain spacing, place grounded steel barrier between unlike levels at crossover point.

7. Voltage class group levels:

a. MV – Medium-voltage

b. P – Power Low-voltage

c. C – Control Power (discrete signal, loop power, < 125-volt control power)

d. S – Low Level Signal (analog and digital data)

e. F – Fire protection system signaling circuit.

ms2116 SECTION 26 05 00 - Page 7

8. Voltage class group level minimum cable separation distance for parallel routing circuits:

MV P C S/F

MV 0” 6” (152 mm) 12” (305 mm) 24” (610mm) P 6” (152 mm) 0” 12” (305 mm) 12” (305 mm) C 12” (305 mm) 12” (305 mm) 0” 6” (152 mm)

S/F 24” (610 mm) 12” (305 mm) 6” (152 mm) 0”

9. Fire protection system signaling circuits shall not be in same raceway as other voltage class groups.

2.05 ELECTRICAL ENCLOSURES

A. Size junction boxes, pull boxes, and enclosures in accordance with requirements of NEC.

B. Provide nameplates for electrical enclosures. Nameplate shall include unique identifier (name) of the electrical enclosure, voltage, electrical circuit number(s) or function of electrical enclosure. See nameplate section for sizing and spacing of letters.

C. Junction boxes and pull boxes 4” (100 mm) trade size or smaller in any dimension shall be galvanized malleable iron, or cast ferrous metal NEMA rated for installed location. Do not use concentric knockouts.

D. NEMA rating of junction boxes, pull boxes, and electrical enclosures larger than 4” (100 mm) trade size in any dimension shall be as follows, unless required otherwise.

1. NEMA rating for electrical enclosures installed in nonhazardous locations:

a. Indoor:

1) Dry environmentally controlled area: NEMA 12.

2) Noncorrosive wet or hose-down area: NEMA 4.

3) Corrosive wet or hose-down area: NEMA 4X

b. Outdoor:

1) Corrosive area: NEMA 4X.

2) Noncorrosive area hose-down or spray area: NEMA 4.

3) Noncorrosive area non-hose-down area NEMA 3R.

2. Construct non-cast-metal electrical enclosures from reinforced steel plate capable of supporting devices mounted on or within enclosure without deflection. Steel plate thickness shall conform to UL requirements.

3. Enclosures shall be of adequate strength to support mounted components during shipment and installation.

4. Field-drill conduit entrances.

E. Outdoor electrical enclosures with ventilating openings:

1. Louver on outdoor electrical equipment and protect in accordance with NEMA type.

2. Equip openings on outdoor electrical equipment with fine mesh filters and stainless steel bug screens.

2.06 OUTLET BOXES

A. Exposed conduit systems shall have surface-mounted boxes unless specified otherwise. Boxes for exposed wiring in nonhazardous, noncorrosive, and nonweatherproof locations shall be malleable iron, cadmium finish or cast aluminum alloy, minimum 4” (100 mm) square, 1-1/2” (38 mm) deep.

2.07 EQUIPMENT SAFETY GROUNDING

A. Install exposed raceway electrically continuous. Conduit shall not be considered to be only ground conductor.

Page 8 - SECTION 26 05 00 ms2116

B. Furnish equipment that is part of integral shipping unit or assembly with bare copper ground conductor extending to central ground connection lug. Lug shall be suitable for field connection to local ground. Electrical equipment shall be considered any device that is energized.

C. Conduits that contain power circuits shall have ground conductor installed.Raceway shall conform to the following:

1. Conduit - Ground conductor shall be bonded to equipment or tray or duct ground at both ends.

2.

D. Provide ground bushing on each conduit containing power circuit. Connect ground bushings together inside enclosure and to enclosure ground lug or ground bus.

Use No. 8 AWG (10 mm2) conductor for ground bushings trade size 1-1/2” (38 mm) and smaller.

Ground bushings larger than 1-1/2” (38 mm) shall be sized in accordance with requirements of NEC, but in no case shall they be smaller than No. 8 AWG (10 mm2).

E. Ground conductor: Uninsulated, Class B standard, round soft drawn uncoated copper as defined in NEMA WC 70, NEMA WC 71 and NEMA WC 74, unless specified otherwise.

F. Hardware:

1. Clamps and other hardware used directly with grounding conductors shall be copper, copper alloy, high copper alloy, or silicon bronze.

2. Bolts, washers, nuts, and other hardware used indirectly with grounding conductors shall be zinc plated, high tensile steel unless specifically stated otherwise in the drawings.

2.08 FUSES AND FUSE BLOCKS

A. Modular-type, Class H screw terminal fuse blocks with Bakelite frame and reinforced retaining clips.

Blocks shall be similar in construction and by same manufacturer.

B. Slow blow fuses: Bussmann Type MDL or Gould Shawmut Type GDL with ampere ratings of 1/4, 1/2, 1, or 2.

C. Fast acting fuses: Bussmann Type NON or Gould Shawmut Type OT with ampere ratings of 1, 3, 6, 10, 15, 20, or 30.

D. Extremely fast acting fuses: Bussmann Type KAB with ampere ratings of 1, 3, 6, 10, 15, 20, or 30.

2.09 ELECTRICAL METERS

A. Meters for measuring electrical quantities shall be utility grade, multifunction, switchboard-type with accuracy of ±0.2% or better for volts and amperes, and 0.4% for power functions.

B. Readouts shall have true RMS capability with at least 1/2” (13 mm) high intensity LED displays and be capable of surge withstand exceeding IEEE C37.90.1.

C. Instruments checked in field and found to be inaccurate in excess of percent error shall be returned for replacement without cost to Owner.

D. Design meters for operation through 5-ampere current transformer secondary and 120-volt voltage transformer secondary.

E. Provide communications capability per design requirements.

F. Provide nameplates for electrical meters. Nameplate shall include unique identifier (name) and function of the meter. See nameplate section for sizing and spacing of letters.

ms2116 SECTION 26 05 00 - Page 9

2.10 LOCAL SEPARATE DISCONNECT SWITCHES

A. Three-pole, heavy-duty, rated 600-volt with continuous current rating as shown on Drawings and as required by load.

1. Type: Either molded-case or blade.

2. Switches shall use high-conductivity copper for current carrying parts.

B. Switches shall be positive, quick-make, and quick-break mechanisms.

1. Switch assembly plus operating handle shall be integral part of enclosure base.

2. Each switch shall have handle whose position is easily recognizable and which can be locked in

“On” and "Off" position with 3 padlocks. "On" and "Off" positions shall be clearly marked.

C. Switches shall be UL-listed with ampacity rating. Where applicable, switches shall have defeatable door interlocks that prevent door from being opened while operating handle is in "On" position.

D. Switches kAIC rating shall be adequate Fused and non-fused switches shall have front cover-mounted nameplate identifying the switch, matching information shown on Drawings. See nameplate section for sizing and spacing of letters. Nameplate shall have at least 4 lines of text that consist of

1. Line 1: Disconnect unique identifier (name)

2. Line 2: Voltage

3. Line 3: Appropriate description and location from which power is derived, (i.e. Fed from HP1, Room 127).

4. Line 4: Appropriate description and location of connected load (i.e. Load:Exhaust fan Room 255).

2.11 PLATES AND COVERS

A. Provide finish plates and covers of appropriate type and size for wiring and control devices, signal, and communication outlets.

B. Mark each plate, cover and blank cover with a nameplate to indicated function, voltage, source panel and circuit number. See nameplate section for sizing and spacing of letters. Unless indicated to be engraved plate, use self-sticking, clear membrane, UV-resistant labels with typed black letters for covers 4” (100 mm) x 4” (100 mm) and smaller. Handwritten labels not allowed.

C. Coordinate color with adjacent surfaces.

D. Raised cover galvanized steel plates acceptable for use on surface-mounted outlet boxes in unfinished areas where weatherproof plates are not required.

E. For weatherproof installations, cover plates shall be gasketed and rated for NEMA Type 4 installation.

F. Device plate mounting hardware shall be countersunk and finished to match plate.

2.12 WIRING DEVICES

A. Where more than one flush device is indicated in same location, mount devices in gangs under common plate.

B. Ground fault circuit interrupter (GFCI) receptacles: Premium, heavy-duty, specification-grade, Duplex, 20-ampere, and 125 volts, feed-through type. GFCI shall have auto-monitoring (self-testing) as well as visual indication on the face of the unit for status.

C. Provide nameplates for each switch, Nameplate shall include area served, source panel and circuit number.

Page 10 - SECTION 26 05 00 ms2116

2.13 PANELBOARDS

A. Dead-front, circuit breaker type, rated for voltage, phase, with main lugs or main breaker as indicated on panel schedules.

B. Enclosure shall be NEMA-rated for installation location and capable of flush or surface mounting.

C. Enclosure cover and access door shall be hinged with breaker operating handles accessible through latchable and lockable door.

D. Panelboards shall have front cover-mounted nameplates identifying panelboard, matching information shown on Drawings and associated panel schedule. See nameplate section for sizing and spacing of letters. Nameplate shall have at least 4 lines of text consisting of:

1. Line 1: Panel unique identifier (name)

2. Line 2: IEEE Voltage Designation.

3. Line 3: Appropriate description from which power is derived, (i.e. fed from HP1 through XFMR-

LP1).

4. Line 4: Location of power source, (i.e. PP-1, NW wing).

E. Typed panel directory located inside door in a directory plastic enclosure. Directory header shall include the panel name, voltage, bus rating, number of phases, indicate if neutral present, kAIC rating, main breaker size, source “Fed from” electrical circuit number or transformer. Directory shall indicate the circuit positions with a typed description of the connected load(s) for each branch circuit, space or spare. Handwritten panel schedules not allowed.

F. Provide main and neutral buses insulated from cabinet with separate ground bus. Bus material shall be copper. Ground bus shall be similar to neutral bus in size and number of conductor terminating positions.

1. Bond ground bus to panelboard enclosure by copper ground strap or copper conductor of appropriate size. Bond neutral bus to ground bus in accordance with NEC requirements.

2. Grounding bus connection to enclosure by removable screws not allowed.

3. Bus shall be capable of terminating clamp type lugs for neutral cable in each supply conduit, and connections for neutral cable in each load circuit.

4. Neutral bus shall be fully rated, unless specified otherwise.

5. Isolated ground panelboards: As specified above, except isolated ground bus shall be bonded, by insulated ground conductor, back to source of separately derived system. Do not bond isolated ground bus to panelboard enclosure unless this is first point of grounding for separately derived system.

2.14 CIRCUIT BREAKERS

A. Molded-case, thermal-magnetic, bolt-in, individually front replaceable, and shall visibly indicate "On," "Off," and "Tripped" position.

B. Branch circuit breakers used for lighting circuits shall be switch duty rated, “SWD.”

C. Breakers having multiple poles shall be manufactured as common trip type.

D. Interrupting rating shall be not less than interrupting rating of panelboards, and not series rated to achieve required short circuit interrupting rating.

E. Provide handle clips for 10% of breakers on schedule, or minimum of 2 whichever is greater, for breakers to prevent casual operation. If no breakers are indicated for installation, then provide on breakers labeled as spare.

F. Breakers, and provisions for future breakers, shall be provided in quantities, poles, and ampere ratings shown on Drawings.

ms2116 SECTION 26 05 00 - Page 11

G. Molded-case circuit breakers used in ac and dc panelboards and ac load centers shall be bolt-on type, G-frame size.

2.15 SHOP FINISHES

A. Manufacturer’s standard coating systems shall be factory-applied. Coating systems shall provide resistance to corrosion caused by weather and industrial environments.

1. Surfaces inaccessible after factory or field assembly shall be protected for life of equipment.

2. Painted surfaces shall be filled to provide smooth, uniform base for painting.

3. Surfaces requiring field welds shall not be coated within 3” (75 mm) of field weld.

B. Coating material and application techniques shall conform to regulations of air quality management agency having jurisdiction.

C. Exterior surfaces of control and electrical equipment, including panels, cabinets, switchgear, transformers, and motors shall be manufacturer’s standard colors unless specified otherwise.

D. Apply high-temperature coating systems to uninsulated equipment operating at temperatures at or above 200°F (93°C).

2.16 RUST-INHIBITING COMPOUNDS

A. Protect uncoated machined and ferrous surfaces subject to corrosion with rust-inhibitor compounds.

B. Rust-inhibitor compounds used to protect surfaces of equipment and piping exposed to feedwater or steam shall be completely water-soluble.

C. Coat surfaces to be field welded with consumable rust-inhibitor compounds that will not affect quality of weld.

D. External gasket surfaces, flange faces, couplings, rotating equipment shafts and bearings shall be thoroughly cleaned and coated with rust-inhibitor compounds.

2.17 GALVANIZING

A. Galvanized structural steel members and steel assemblies shall be pickled after fabrication. Remove scale, rust, grease, and other impurities, then hot-dip galvanized in accordance with ASTM.

B. If galvanized member is to be bolted, structural bolts shall be galvanized in accordance with ASTM.

2.18 IDENTIFICATION AND TAGGING

A. Conduits inside manholes, hand holes, building entrance pull boxes, and junction boxes shall be provided with 19-gage (1 mm) stainless steel identification tags, with 1/4” (6 mm) stamped letters and numbers.

1. Attach conduit Identification tags with stainless steel banding. Tag position shall be readily visible for inspection.

2. Raceway tags shall provide, as minimum:

a. Identification tags of cables contain within conduits.

b. Voltage class.

B. Cables passing through or terminating in manholes, hand holes vaults, and pull boxes shall be identified with a 3.5” (89 mm) x 2” (51 mm) black/yellow self-laminating, rigid vinyl tag, held in place with two plastic cable ties within 18” (457 mm) of cable entering or exiting the manhole, handhole vaults, and pull boxes, (unless indicated to be a 19-gage (1 mm) stainless steel identification tags with stamped lettering). Typed tag shall provide circuit identification information, number of conductors in cable, voltage and the “to/from location for the cable. Handwritten tags are not allowed.

Page 12 - SECTION 26 05 00 ms2116

C. Provide cable tags for each telecommunications cable or wire located in pull boxes manholes, handholes, and vaults. Cables shall be identified with a 3.5” (89 mm) x 2” (51 mm) black/yellow self-laminating, rigid vinyl tag held in place with two plastic cable ties within 18” (457 mm) of cable entering or exiting the manhole, handhole, vaults and pull boxes. Typed information on tag shall include the cable number, cable use, “to/from” location, and the number of fiber strands or copper conductors. Handwritten labeling is unacceptable.

D. Provide power, control, and instrumentation cables with permanent type identification markers with typed cable numbers and from/to information at each point of termination. Cable numbers and from/to information will be provided for circuits not associated with low-voltage panelboards.

1. Position cable markers to be readily visible for inspection.

2. Cable numbers shall match those as shown on cable schedule and drawings.

3. Provide wire tags at each termination point for each conductor. Tags shall be permanent, wrap around, heat-shrinkable type with typewritten information.

E. Color-code power conductors with electrical tape or provide with colored jacket.

1. Source voltage of 208Y/120 volts:

a. Phase A: Black.

b. Phase B: Red.

c. Phase C: Blue.

d. Neutral: White.

2. Source voltage of 120/240 volts:

a. Phase A: Black.

b. Phase B: Red.

c. Neutral: White.

3. Source voltage of 480Y/277 volts:

a. Phase A: Brown.

b. Phase B: Orange.

c. Phase C: Yellow.

d. Neutral: Gray.

4. Source voltage of 240/120-volt delta: High-leg systems shall not be used without Engineer approval.

5. Service entrance and equipment ground conductors shall be bare copper or green insulated conductor. Equipment bonding conductors shall be bare copper.

6. Isolated ground conductors shall be insulated; green in color with integral yellow stripe. No substitutions.

2.19 EQUIPMENT NAMEPLATES

A. Nameplates shall be laminated white-over-black plastic such that face is white with black engraved letters securely fastened with minimum of 2 self-tapping, stainless steel screws, stainless steel rivits or permanent adhesive.

B. Provide nameplate for field devices and equipment. Each nameplate shall include description and tag identification shown on electrical one line or P&ID’s, “Fed from” source and circuit number.

C. Placement and location of nameplate shall not cover the manufacture data nameplates of the equipment or enclosure. Bring to the attention of the Engineer or Owner if nameplate interferes with the natural ventilation of the equipment or enclosure. Relocate or modify the size for the nameplate to accommodate proper placement on the enclosure.

D. Placement and location of nameplate shall not interfere with the natural ventilation of the equipment or enclosure. Bring to the attention of the Engineer or Owner if nameplate interferes with the natural ventilation of the equipment or enclosure. Relocate or modify the size for the nameplate to accommodate proper placement on the enclosure.

E. Equipment 3” (75 mm) wide or less, such as boxes, panels, cover plates, control switches, pushbuttons, indicating lights, and control relays, etc. Nameplate shall be centered at the top of the ms2116 SECTION 26 05 00 - Page 13 equipment of the equipment and utilize 1/8” (3.2 mm) high capital letters, 10 letters per linear inch (25

mm) with 1/16” (1.6 mm) high space between lines of text.

F. Equipment larger than 3” (75 mm) wide and up to 6" (150 mm) wide such, as boxes, panels cover plates, control switches, push buttons, thermostats, heat trace heads, starters, light fixtures etc.

Nameplate shall be centered at the top of the enclosure and utilize 3/16” (4.8 mm) high capital letters, 9 letters per linear inch (25 mm) with 1/8” (3.2 mm) high space between lines of text.

G. Equipment larger than 6” (150 mm) wide and up to 11" (275 mm) wide, such as pull boxes, panels, starters, light fixtures etc. Nameplate shall be centered at the top of the enclosure and 1/4” (6.3 mm) high capital letters, 5.3 letters per linear inch (25 mm) with 1/4” (6.3 mm) high space between lines of text.

H. Equipment larger than 11” (275 mm) wide and up to 16" (400 mm) wide, such as pull boxes, starters, transformers, disconnects, panelboards etc. Nameplate shall be centered at the top of the enclosure and utilize 1/2” (12.7 mm) high capital letters, 2.5 letters per linear inch (25 mm) for the unique identifier (name), and 1/4” (6.3 mm) space between lines of text. The remaining data on the nameplate utilize 3/16” (4.8 mm) high capital letters, 6 letters per linear inch (25 mm) with 1/8” (3.2

mm) high space between lines of text.

I. Equipment larger than 16” (400 mm) wide and up to 24" (600 mm) wide, such as pull boxes, panels, starters, transformers, disconnects, panelboards etc. Nameplate shall be centered at the top of the and utilize 1/2” (12.7 mm) high capital letters, 2.5 letters per linear inch (25 mm) for the unique identifier (name), and 3/8” (9.5 mm) space between lines of text. The remaining data on the nameplate utilize 3/8” (9.5 mm) high capital letters, 3 letters per linear inch (25 mm) with 1/4” (6.3

mm) high space between lines of text.

J. Equipment larger than 24” (600 mm) wide and up to 36" (900 mm) wide, such as pull boxes, panels, transformers, disconnects, switchboards etc. Nameplate shall be centered at the top of the enclosure and utilize 1” (25 mm) high capital letters, 1 letters per .833 (21.2 mm) linear inch with 3/8” (9.5 mm) high space between lines of text for the unique identifier (name), and 3/8” (9.5 mm) space between lines of text. The remaining data on the nameplate utilize 1/2” (12.7 mm) high capital letters, 2.5 letters per linear inch (25 mm) with 3/8” (9.5 mm) high space between lines of text.

K. Equipment larger than 36” (900 mm) wide and up to 50" (1250 mm) wide, such as pull boxes, panels, switchboards etc. Nameplate shall be centered at 70” (1750 mm) AFF or at the top of the enclosure.

Utilize 1.5” (38.1 mm) high capital letters, 1 letters per 1.3 (33 mm) linear inch with 3/8” (9.5 mm) high space between lines of text for the unique identifier (name), and 3/8” (9.5 mm) space between lines of text. The remaining data on the nameplate utilize 1/2” (12.7 mm) high capital letters, 2.5 letters per linear inch (25 mm) with 3/8” (9.5 mm) high space between lines of text.

L. Equipment larger than 50" (1250 mm) wide, such as pull boxes, panels, switchboards etc.

Nameplate shall be centered at 70” (1750 mm) AFF or at the top of the enclosure. Utilize 2” (50 mm) high capital letters, 1 letters per 1.5 (38.1 mm) linear inch with 1/2” (12.7 mm) high space between lines of text for the unique identifier (name), and 3/8” (9.5 mm) space between lines of text. The remaining data on the nameplate utilize 1/2” (12.7 mm) high capital letters, 2.5 letters per linear inch (25 mm) with 3/8” (9.5 mm ) high space between lines of text.

M. Provide circuit breakers within main switchboards and distribution switchboards with nameplates identifying related equipment being served.

N. Provide equipment label, marking, and/or signage per requirements of latest edition of NFPA 70 and

NFPA 70E.

2.20 HARDWARE

A. Provide hardware including, but not limited to, anchor bolts, nuts, washers, expansion anchors, wire nuts needed for installation.

Page 14 - SECTION 26 05 00 ms2116

B. Hardware smaller than 3/4” (19 mm) shall match NEMA standard size bolt holes on motors and electrical equipment.

PART 3 EXECUTION

3.01 EXAMINATION OF SITE

A. Contractor shall be responsible for familiarity with Project Site conditions. Equipment furnished and installed shall be capable of withstanding most severe conditions that will be encountered.

3.02 PROTECTION OF WORK

A. Protect installed Work and provide temporary and removable protection for installed products. Control activity in immediate work area to prevent damage.

B. Damage occurring to building or equipment during installation shall be repaired or replaced to conditions existing prior to damage at no additional cost or delay to project or Owner.

3.03 INSTALLATION

A. Install equipment and materials in accordance with NFPA 70,manufacturer's recommendations and Drawings.

B. Details for equipment and systems installed in accordance with industry standard techniques will not be furnished.

C. Installation details furnished on Drawings shall be followed unless found to be unsafe, inappropriate for equipment specified, or unachievable due to site conditions.

D. Install equipment indicated on Drawings as furnished by others, unless noted as installed by others.

E. Except as otherwise specified or indicated on Drawings, equipment shall be installed plumb, square, and level.

F. Sheet metal junction boxes, equipment enclosures, sheet metal raceways, and similar items mounted on earth-bearing walls shall be separated from wall not less than 1/4” (6 mm) by corrosion-resistant spacers.

G. Provide mounting associated hardware for junction boxes, equipment enclosures, raceways, cable trays, fixtures, and miscellaneous electrical devices.

H. Outdoor electrical enclosures housing terminal strips, fuses, starters and other electronic equipment shall be provided with a flat concrete working surface dimensioned to the NEC table 110.26(A)(1) Working Spaces.

I. Switchgear and similar equipment located outdoors shall be permanently sealed at base. Openings into equipment shall be screened or sealed as to prevent entrance of birds, rodents, and insects the size of wasps and mud daubers.

1. Sealing material at base shall be concrete grout.

2. Small cracks and openings shall be sealed from inside with silicone sealant.

3. Large openings shall use galvanized screen mesh.

4. For arc-resistance equipment sealing material al and method shall be per manufacture requirements.

ms2116 SECTION 26 05 00 - Page 15

3.04 CABLE INSTALLATION

A. Prior to installation of each cable or cable group into assigned raceway, verify that raceway has been correctly sized.

1. Where raceway is not indicated in cable schedule or on Drawings, size in accordance with requirements of NEC.

2. If cable or raceway size indicated on Contract Documents is inadequate, notify Engineer.

B. Replace cables pulled into wrong raceway or cut too short to rack and train.

C. Do not reinstall cables installed in wrong raceway and removed. Discard cables unless inspected and accepted by Owner’s Representative in writing.

D. Carefully lay or pull circuits in cable tray so neither cables nor tray is damaged.

E. Protect cables from dirt, water, oil, damaging chemicals, and from physical injury prior to, and during installation.

F. Cables shall be cut sufficiently long to conform to contour of trays, with particular attention paid to vertical inside bends.

G. Remove excessive slack so cables lie parallel to sides of trays.

H. Provide flexible round metal tape, CO2 propelled polyethylene cord, nylon rope, or manila rope in each conduit for future cable pulling.

I. Cable damage caused by improper pulling tension and excessive sidewall pressures shall be considered for any cable pulls that require use of mechanized cable pulling machine, whether installed underground or overhead.

1. NEC requirements shall be used as guideline. Calculations shall be performed for duct bank runs over 300’ (90 m), and for installations in conduit over 100’ (30 m).

2. Monitor pulling tension during installation of cable. Tension shall not exceed maximum recommended by cable manufacturer.

3. To avoid damage from excessive sidewall pressure at bends, pulling tension shall not exceed cable manufacturer’s recommendation.

4. Pulling mechanisms, manual or power type, shall have rated capacity in tons legibly marked on mechanism.

5. During installation, observer shall constantly watch dynamometer and record maximum tension achieved during pull.

a. If excessive strain develops, stop pulling operation at once. Determine difficulty and correct.

b. Provide records of dynamometer readings to Engineer.

c. Inform Owner prior to cable pulls.

6. Do not use woven wire cable grips. Only use pulling eyes for pulling cables.

7. As soon as cable is pulled into place, remove pulling eyes and reseal cable.

J. Insert reliable nonfreezing type of swivel or swivel connection between pulling rope and eye to prevent twisting under strain.

K. Only use lubricants compatible with the cable jacket and does not promote flame propagation as recommended by cable manufacturer.

L. Outside of each cable reel shall be carefully inspected. Remove protruding nails, fastenings, or other objects that might damage cable.

1. Perform visual inspection for flaws, breaks, or abrasions in cable sheath as cable leaves reel.

Pulling speed shall be slow enough to permit inspection.

2. Damage to sheath or finish of cable shall be sufficient cause for rejecting cable.

3. Cable damaged during installation shall be replaced at no expense to Owner.

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M. Permanent radius of each bend after cable installation shall be in accordance with manufacturer's recommendations.

N. Cable supports and securing devices shall have bearing surfaces located parallel to surfaces of cable sheath. Install to provide adequate support without deformation of cable jackets or insulation.

O. Provide adequate cable end lengths. Properly install in junction boxes and manholes to avoid longitudinal strains and distorting pressures on cable at conduit bushings and duct end bells.

P. Final inspection shall be made after cables are in place. Where supports, bushings, and end bells deform cable jacket, provide additional supports.

Q. Splices, joints, and connections shall be made only in accessible junction boxes in accordance with methods specified and instructions of cable manufacturer. Splices not allowed unless shown on Drawings.

R. Circuit information for circuits originating from panelboards is indicated on panel schedules. Other circuits are identified on circuit schedule. Do not combine receptacle loads with lighting loads.

S. Panelboard circuits are indicated as individual runs. Circuits may be combined into common conduits in accordance with rules of NEC. Perform work associated with combining of circuits at no additional cost to Owner.

3.05 WIRING DEVICES, BOXES, AND FITTINGS

A. Install galvanized or cadmium plated, threaded, malleable iron boxes and fittings in:

1. Embedded in concrete walls, ceiling, and floors.

2. Outdoor exposed faces of masonry walls.

3. Locations where weatherproof cover is required by code or this specification.

B. Rigid PVC device boxes shall be installed in exposed nonmetallic conduit systems.

C. Finish openings so standard sized cover plates can be used. Oversized plates not allowed.

D. Mount wall switches 3’-6” (1,050 mm) above finished floor or grade unless specified otherwise. After circuits are energized, test wall switches for proper operation.

E. Outlets:

1. Standard mounting height: 18” (450 mm) above finished floor, unless specified otherwise.

2. Outlets outdoors, garages, basements, shops, storerooms, and other rooms where equipment may be hosed down: 4'-0" (1.2 m) above finished floor or grade.

3. Surface-mount welding receptacles 4'-0" (1.2 m) above finished floor or grade.

4. After circuits are energized, test each receptacle for correct polarity.

5. Test GFCI receptacles for proper operation.

6. Mount wall thermostats 5'-6" (1.6 m) above finished floor unless noted otherwise. Thermostats mounted shall be suitably insulated from wall temperatures.

3.06 GROUNDING AND BONDING

A. Electrical system and equipment grounding shall be installed in accordance with NEC and shall conform to following, where applicable:

1. Ground conductors shall be bare or green-insulated in accordance with NEC.

2. Cable shall be soft-drawn copper or copper bar, sized in accordance with drawings and NEC, but not smaller than No. 12 AWG (4 mm2).

3. Ground cable splices and joints inaccessible upon completion of construction shall meet requirements of IEEE 837 and shall be exothermic weld or compression system type.

4. Ground cable through exterior building walls not in conduit shall enter within 3’ (1 m) below finished grade and shall be provided with water stop.

ms2116 SECTION 26 05 00 - Page 17

5. Provide ground loop around building perimeter unless other ground grid configuration is indicated on drawings. Ground cable near base of structure shall be in undisturbed earth and approximately 3’ (1 m) from structure. As a minimum, provide ground rods at each corners of building structure bonded to ground loop, ground rod spacing shall not exceed 100’ (30 m).

6. Copper ground conductor in addition to conduit connection shall ground each piece of electrical equipment.

7. Copper or high-conductivity copper alloy ground lugs or clamps shall make ground connections to equipment and ground buses. Connections to enclosures not provided with ground buses or ground terminals shall be made by clamp-type lugs added under permanent assembly bolts or under new bolts drilled and added through enclosures other than explosionproof, or by grounding locknuts or bushings. Ground cable connections to anchor bolts; against gaskets, paint, or varnish; or on bolts holding removable access covers not permitted.

8. Bond grounding system to non-cathodically protected metallic water piping by connection to first flange inside building from main that will form good ground connection. Make connection with copper bar or strap by drilling and tapping flange and providing bolted connection. Do not bond grounding system to cathodically protected pipes.

9. Ground conductors on equipment shall be formed to contour of equipment and firmly supported.

10. Ground rods not described elsewhere shall be minimum 3/4” (19 mm) diameter by 10’ (3.0 m) long, with copper jacket bonded to steel core.

11. Make connections to ground grid where shown on Drawings.

12. Verify connections by performing continuity checks.

3.07 STARTUP AND TESTING

A. Clean equipment interiors and exteriors prior to start-up and testing.

B. Unless specified otherwise, tests performed shall be standard tests listed by ANSI/IEEE for intended equipment.

C. Equipment shall be checked and placed in service ready for operation.

D. Circuits shall be electrically tested after installation. Test power and motor circuits prior to final connection to equipment. Splices shall be complete prior to testing.

1. Provide equipment and labor required for testing.

2. Circuit failing to test satisfactorily shall be replaced or repaired and retested at no additional cost to Owner.

3. Check power circuits for:

a. Correct terminations.

b. Continuity.

c. Unintentional shorts and grounds.

4. Check power conductors for correct phasing.

5. Current transformer wiring shall be loop checked by injecting current at one end of loop and checking with clip-on ammeter at each field termination point to assure continuity and phase identification.

6. Voltage transformer wiring shall be tested by applying voltage at one point and checking with voltmeter phase rotation meter and phase angle meter at each field termination point to assure continuity, identification and phase shift.

3.08 DEMONSTRATION

A. Final start-up and check out shall be completed prior to Owner acceptance of project.

B. Electrical installation shall be complete in every detail and capable of normal operation in presence of Owner or Owner’s Representative to verify its readiness.

END OF SECTION

1) D. L. Moritz

2) E. E. Leaf

27100.26.00 ABOVE-GRADE RACEWAY

ms2116 SECTION 26 05 33 - Page 1

A. Above grade…