Electrical CheckList

(Part 2 Sec C Div 16 - Revised October 1998) Page No. 1C = complies NC = Does Not Comply NA = Not Applicable

Electrical Design Standards - Checklist

The Design Team is required to read and comply with the full Design Standard as it applies to thisproject. A completed copy of this checklist must be submitted by the Design Team to the University’sProject Manager at the end of the Design Development Phase. In all cases, if a “does not comply” hasbeen noted, please indicate why. Attach additional sheets as necessary.

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16 ELECTRICAL

16.1 Power Conduits (Electrical Distribution, Telephone, Computer andControl Wiring)

.1 All conduits inside the building shall be electrical metallic tubingEMT.

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.2 Conduits exposed to the weather, in wet locations, subject tomechanical injury, or in any hazardous locations or where requiredby Code, shall be rigid threaded, galvanized steel conduit.

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.3 Conduits in ceiling plenums shall be EMT. o o o

.4 Motor feeder drops shall be in rigid threaded steel conduit with amaximum 3'-0" (1m) and of flexible liquid-tight conduit for finalconnection to motor. Rigid conduit for the drops shall start at least3'-0" (1m) ahead of the actual bend and have two additional clipsover normal requirements. The minimum conduit size for thedrops shall be 3/4".

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.5 Branch wire conduits in finished areas shall be concealed and thosein unfinished areas shall be surface mounted unless otherwisenoted.

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.6 Feeder conduits shall not be installed in any concrete slab. o o o

.7 Conduits shall be installed so that the conductors can be drawn inwithout strain or damage to the conductors.

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.8 Expansion fittings shall be installed in conduits crossing expansionjoints.

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.9 Conduits shall be installed to provide for expansion and expansionfittings shall be provided where required.

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.10 The use of running threads shall not be permitted. Ericsoncouplings shall be used where required.

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.11 Connectors for EMT surface mounted conduit shall be steel, setscrew type, nylon insulated.

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.12 Conduits shall be fastened with approved clips. Supporting ofconduits with tie wires, perforated straps, etc. shall not bepermitted. If a conduit rests on structural steel, etc., this will not beconsidered as a support and the omission of the required clip shallnot be permitted.

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.13 Conduit supports shall be spaced in accordance with therequirements of the Authorities having jurisdiction.

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.14 Fish wires shall be installed in all empty conduits, includingtelephone and computer conduits.

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.15 A separate ground wire shall be installed in all conduits, exceptcomputer telephone/control conduits.

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.16 Joints in conduits installed underground, in concrete slab on gradeor in a concrete duct bank shall be made completely watertight.

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.17 Minimum concrete thickness over or around a conduit in a concreteslab shall be 3" (75mm).

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.18 Conduits for computer systems shall comply with UTCCStandards.

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16.2 Wiring Devices

.1 Light switches on 120 volt circuits shall be 20 amp. o o o

.2 Light switches in all areas shall be premium specification grade,A.C., toggle type switches, except where required in washroom orcorridors they shall be key operated.

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.3 Light switches and receptacles on normal power shall be white. o o o

.4 Light switches and receptacles on emergency power shall be red. o o o

.5 Isolated ground receptacles shall be orange. o o o

.6 Wall plates for flush mounted devices shall be multiple gang, superstainless steel type 302.

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.7 Wall plates for surface mounted devices in unfinished areas shallbe metal covers for F.S. type boxes.

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.8 The weatherproof plates shall be cast aluminum with lift cover forF.S. type boxes.

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.9 The A.V. and computer outlet wall plates shall be provided asrequired by UTCC.

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.10 The telephone outlet wall plates shall be provided as required byUTCC standards.

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.11 The incandescent dimmers up to 1500W shall have linear slidecontrol, white finish and lamp debuzzing coil in aluminumenclosure, equal to Lutron `Nova' series. For low voltagedimming, use `Nova NLV' series.

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.12 Mounting heights are referred to finished floor or finished ceilingunless related to bench mark elevations.

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.13 Provide cover plates for flush mounted manual starters. o o o

.14 Light switches, except where noted, shall be mounted 4'-6" (1.4m)above finished floor, on the lock side of the door.

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.15 Telephone, intercom, etc., wall outlets shall be spaced 4" (100mm)from power outlets.

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.16 Opposing outlets on partition walls shall have a 6" horizontalseparation. They shall not be mounted back to back.

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.17 It is recommended that all electrical equipment and power outletsbe identified indicating the circuit number and equipment. Thiswill help avoid interrupting the performance of other equipmentduring the troubleshooting of a problem and allow electricians andengineers to work in the area.

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16.3 Wires and Cables

.1 Wires and cables (120/208V to 600V systems) unless otherwisenoted, shall have copper conductors with RW90 (90oC) minimum600 volt insulation. Wire sizes greater than #10 AWG shall bestranded.

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.2 Wiring in channel back of fluorescent fixtures shall be 600V typeGTF or TEW.

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.3 M.I.C.C. cables shall have solid copper conductors insulated withmagnesium oxide and enclosed in a seamless copper sheath with aprotective jacket where required.

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.4 Unless otherwise indicated on the drawings, no wire smaller than#12 AWG shall be used. Size wires for a 2% maximum voltagedrop to farthest outlet on a loaded circuit. Home runs to lightingand receptacle panels which exceed 75 ft. (25m) shall be minimumNo. 10 gauge.

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.5 M.I.C.C. cables shall be terminated with moisture proofconnectors.

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.6 Termination lugs for feeder cables shall be compression type. o o o

.7 All outdoor wiring shall have copper conductors with RWU-90, X-Link, minus 40deg. F, 600 volt insulation.

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.8 When a project is to include new wiring, wiring upgrades orrewiring all the existing wiring that is no longer in service is to beremoved as part of the project.

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16.4 Ductbanks

.1 Duct banks shall consist of parallel conduit(s) encased in concrete.At the supply end, "bell end" couplings shall be used to terminatethe ducts.

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.2 The ducts shall be Type I CSA certified, PVC Type I with aninternal diameter of 5" (125mm).

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.3 The duct lengths shall be joined together with an approvedcoupling to provide a sound joint. Adjacent couplings shall bestaggered by at least 8" (200mm). Where polyvinyl duct is used, itis recommended that a joint solvent be used to seal the couplings.Bends are not to be made on couplings unless a 5 degree couplingis used.

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.4 The ducts shall be laid with a minimum spacing of 7" (275mm)centre to centre, both horizontally and vertically. A spacer shall beinstalled within 2 ft. (600mm) of each coupling used. Spacersshall be plastic or masonry. Wooden spacers shall not be used.

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.5 The duct run shall be reinforced with � " (12mm) diameter Hi-Bond steel bars laid longitudinally at 6" (150mm) lateral spacingand set at the depth of the concrete envelope below the bottom rowof ducts. (3 rods across bottom and 2 on top for entire length ofduct bank). All reinforcing rods used shall have a minimum lengthof 6 ft. (2m). Individual lengths of reinforcing rods are to be over-lapped by a minimum of 12" (300mm).

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.6 The ducts shall be encased with minimum 2000 psi (14 MPa)concrete with a minimum cover of 3" (75mm) on all sides.

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.7 To prevent any displacement of the duct structure during pouring,the duct structure shall be braced down every 10 ft. (3m) and theconcrete shall be deflected down alongside the ducts to the bottomand up through the duct assembly.

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.8 The top surface of the concrete encasement shall be a minimum of30" (760mm) below finished grade. At the supply end it shall be ata maximum depth of 36"

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.9 When completed, the ducts shall be cleaned and the ends pluggedwith duct plugs. The ducts shall be tested for clearance by pullinga steel wire brush and a 3� " (88mm) or 4� " (115mm) as requiredmandrel through their complete length in the presence of a U of Trepresentative.

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.10 One continuous length of �" (10mm) polyethylene rope shall beinstalled in each duct to facilitate the installation of the hydrocables in the duct.

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16.5 13.8 KV LOOP SYSTEM SUBSTATIONS

.1 General

.1 The switchgear shall consist of an assembly of incomingloop and tie air circuit breakers, fused load break switches,protective relaying, metering and ancillary equipment,configured as shown on the drawings. Cells shall benumbered from left to right when facing the front of theswitchgear. Bus A shall be the left hand bus, and bus Bthe right hand bus.

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.2 The switchgear shall include the required number of cells,bolted together on a common channel steel base to form ametal enclosed, self-contained, self-supporting, dead frontassembly.

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.3 The switchgear shall have a nominal voltage rating of 13.8kv, a maximum design voltage of 15 kv, and a BIL of 95kv for indoor use, 110 kv for outdoor use and shall besuitable for operation on a 13.8 kv, 3 phase, 3 wire, 60Hertz, low-resistance grounded system having asymmetrical fault level of 500 MVA.

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.4 The integrated assembly shall be designed to withstandany internal pressures that may be created when a switchor breaker opens, carrying full rated current, or is closed ona fault or when the fuses operate or a breaker trips underfull rated fault conditions.

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.5 All electrical and mechanical interlocks required for theprotection of equipment and personnel shall be included.

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.2 Construction

.1 The enclosure shall be EEMAC I indoor type, sprinklerproof, made up of flat steel sheets, formed and weldedtogether into rigid, self-supporting cells housing theswitching equipment and other components.

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.2 Circuit breaker switchgear shall be metal clad, withseparate grounded steel compartments for breakers, cableentry, buses, metering and all major components. Fusedswitchgear shall be metal enclosed with completeseparation between cells.

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.3 Mounting channels and hardware shall be supplied by theVendor.

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.4 Doors shall be full height, formed type, with 3 pointlatches, concealed left hand hinges, stops and provision formultiple padlocking.

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.5 Hinged steel panels with provision for padlocking shall beinstalled for access to the rear of the cells. Bolted sheetsteel cover plates shall be provided for other access to thecells as required.

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.6 Louvres shall be vermin-proof, and shall be designed foradequate ventilation during normal operation and faultconditions.

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.7 After all metal work is completed and prior to installingany equipment or wiring, the entire structure shall bethoroughly cleaned to remove rust, scale, grease and anyother foreign matter. Metal surfaces, both inside andoutside, shall receive one coat of metal primer, zincchromate or approved equal, followed by two coats ofVendor's best quality enamel.

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.8 The exterior finish shall be ANSI 70 grey and the interiorfinish shall be white. A sufficient quantity of touch-upenamel shall be furnished to repair minor damage to thefinish after installation.

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.3 Buses

.1 Buses shall be high-conductivity copper with silver-platedjoints and tap connections.

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.2 Buses shall be fully insulated in circuit breaker switchgear,and shall be uninsulated in fused switchgear, with feed-through insulators for bus support and full cell separation.Insulation and supports shall be flame resistant and trackretardant.

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.3 Bus joints shall be secured with cadmium plated steelbolts, nuts and washers to ensure maximum pressure andeven current distribution. Bolts shall be tightened totorque wrench prescription with a minimum of two bolts ateach joint.

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.4 Joint covers shall be non-flammable, flexible, sized to suitthe joint, and installed by factory personnel. Joints covershaving to be shipped loose shall be installed at the site byfactory personnel. Cover fastenings (e.g. nylon bolts andnuts) shall be reusable.

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.5 Field connections on the buses shall be made usingmaterials and methods supplied or recommended by themanufacturer.

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.6 A main bus rated 1200 amps at 50deg.C ambienttemperature shall extend through the switchgear, completewith all required insulators, bus supports and connectionsto cable terminations and switching equipment.

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.7 A 600 amp ground bus shall be run the full length of theswitchgear, with a pressure connector at each end forconnecting to a #4/0 AWG grounding conductor. Theswitchgear framework and the bases and enclosures of allequipment shall be bonded to the ground bus.

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.8 Ground bus extensions with lugs shall be provided in thecable entry cells, to allow the stress cones on the incomingand outgoing cables to be grounded with short leads.

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.9 Provision shall be made for extending buses to future cellsat each end of the switchgear.

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.4 Wiring and Connections

.1 Provision shall be made for incoming cables entering thetop of the switchgear, and outgoing cables leaving the topof the switchgear.

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.2 A removable aluminum entry plate shall be provided ateach cable entry location.

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.3 Secondary wiring (including control, metering andrelaying wiring) shall be run in grounded steelcompartments or shall be otherwise suitably isolated fromthe high voltage wiring.

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.4 Secondary wiring shall be identified at each point ofconnection and termination by non-metallic wire markers,Brady or equal, to agree with the wiring diagrams.

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.5 Secondary wiring shall be terminated with solderless lugs.Wiring shall be free of splices.

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.6 Terminal blocks shall be provided to carry wires betweenunits. All secondary wiring shall be routed throughterminal blocks at the appropriate cubicle, with those frompilot relays routed also to terminals at the incoming pilotwire location.

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.7 Fixed secondary wiring shall be #14 AWG, type TEWswitchboard wire; 7 strand for fixed wiring and 41 strandfor wiring to hinged panels.

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.5 Metering and Relaying

.1 Relays, meters, instruments, control switches and similarequipment shall be mounted on formed front hinged panelsof the switchgear.

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.2 Meters shall be semiflush mounted, switchboard type. o o o

.3 Ammeters shall be thermal demand and instantaneousindicating type. Provide 3 ammeters for each of the buses`A' and `B'.

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.4 The totalizing type kilowatt-hour and kw demand metershall be polyphase type, with indicating demand register,connected to measure the total consumption and demandwith currents derived from the metering currenttransformers on Buses "A" and "B".

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.5 The Voltmeter shall be 4 � inch size, switchboard type,analog design c/w 4 position voltmeter switch.

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.6 Relays shall be semiflush mounted, drawout type, withbuilt-in test facilities and targets to indicate operation.Relay contacts shall be self-aligning and shall be visible topermit ready inspection.

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.7 Phase overcurrent relays (device 50/51) shall be inductiontype, moderately inverse time characteristic withinstantaneous element with tap ranges 4-12 amp inversetime and 20-80 amp instantaneous.

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.8 Residual overcurrent relays (device 50/51N) shall beinduction type, moderately inverse time characteristic withinstantaneous element with tap ranges 0.5-2.5 amp inversetime and 4-16 amp instantaneous.

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.9 The sending and receiving pilot wire relay (device 87)shall match the existing loop relays

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.10 Relay tap ranges shall correspond with the coordinationstudy.

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.6 Instrument Transformers

.1 Provide all necessary instrument transformers to operatethe metering and relaying.

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.2 Current transformers shall have ratios as indicated. Theyshall have withstand rating equal to the momentary ratingof the circuit breakers. They shall be insulated for the fullvoltage rating of the switchgear for metering. "Standard"metering accuracy is acceptable.

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.3 Separate current transformers shall be provided formetering, overcurrent relaying and pilot wire relaying, i.e.,3 sets of CT's for each of bus `A' and bus `B'.

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.4 Potential transformers shall be drawout type, equippedwith manual disconnecting switch and protected by S&Cfusistors on the primary and secondary windings.

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.5 All current circuits shall be provided with shorting typetest blocks located on the front of the switchgear.

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.6 Any auxiliary devices needed to complete the meter, relayand instrument equipment shall be included as required.

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.7 Accessories

.1 Nameplates shall be engraved lamicoid, with black letterson white background, fastened with stainless steel screws.

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.2 Nameplates for the cell doors shall have letters 1� " highand for the entire switchboard shall have letters 1" high.Nameplates for meters, relays, pilot lights and controlsshall have letters not smaller than 1/4" high.

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.3 Nameplate engraving will be marked by the Owner on theshop drawings.

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.4 Suitable warning nameplates with white letters on redbackground shall be provided on the front and back ofeach interrupter switch.

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.5 Indicating lamps shall be of Canadian manufacture. Lamptype shall be screw base, and readily available from lampwholesale outlets.

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.6 Lamps shall be rated 145 volts DC. o o o

.7 The following accessories shall be provided:

.1 breaker test plug and control power source fortesting breakers outside of the switchgear andmounted in a separate EEMAC I wall-mountedenclosure, suitable for operating from 120 volt, 60HZ, single phase supply

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.2 control jumper for testing breaker in disconnectedposition

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.3 hand crank or electrical device for withdrawingbreakers

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.4 hand crank or electrical device for withdrawingbreakers

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.5 complete set of special tools, wrenches and H.V.fuse pullers

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.6 cranks and dollies o o o

.7 any equipment necessary for the maintenance,operation and testing of the equipment

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.8 one dozen spare indicating lamps o o o

16.6 Fused Switchgear

.1 General

.1 Switches shall be 3 pole, load break type, quick make,quick break, group operated, with chain coupledmechanism and operating handle on the front of the cell.Provision shall be made for padlocking the operatingmechanism with the switch in the open or closed position.Interrupters shall be rated 600 amps continuous, 600 ampsinterrupting, 40000 amps momentary and 40000 ampsfault closing at 13.8 kv.

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.2 Interrupter switches shall be of North Americanmanufacture.

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.3 Fuses shall be non-deteriorating, refillable power type,type SM-5S, as manufactured by S&C Electric Company,complete with S&C mufflers, mounting and holders.Fuses shall be rated 14.4 kv, with interrupting ratings of25000 amps symmetrical and 40000 amps asymmetrical.Fuse refill ratings shall be as shown on the drawings or asspecified later.

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.4 Switches shall be installed at the top of each cell and fusesat the bottom. Inverted switches shall not be used.Voltage indicators shall be provided on load side of eachswitch and shall be visible through the viewing windows.

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.5 Three spare fuse refill units shall be provided in eachcubicle in a suitable holder mounted within the cubicle.

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.6 Fused switchgear shall be metal enclosed. o o o

.7 Hinged safety screens shall be installed in front of theinterrupter units and all live parts. The fuse compartmentshall be inaccessible, except when the switch is in the openposition.

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.8 Separate each phase by insulating phase barriers extendingfrom the base of the insulator supports, 2 inches beyondthe blades in the open position, and 2 inches beyond theterminal pads at the top and bottom of the switch.

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.9 Wired glass viewing windows shall be provided for visualinspection of switch positions and voltage indicators.

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.10 S & C ground studs shall be provided on the load side ofeach switch.

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.11 Station type lightning arrestors shall be provided on theload side of each switch.

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.2 Circuit Breaker Switchgear

.1 Circuit breakers shall be horizontal drawout, air magneticSF6 or vacuum type, 3 pole, single throw, electricallyoperated, trip free, with self-aligning disconnectingcontacts for power and control.

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.2 Breakers shall be rated 13.8 kv nominal, 15 kv maximumdesign, 1200 amps continuous, 500 MVA interrupting,40000 amps momentary.

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.3 Breakers shall be withdrawable to "test" and "fullydisconnected" positions. Self-aligning disconnectingcontacts shall be provided for power and controls. Primarydisconnecting contacts shall automatically engage in theoperating or fully connected position, and secondarycontacts shall automatically engage in the operating andtest positions.

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.4 Circuit breakers shall have efficient arc extinguishingdevices with blowout coils to produce transverse fluxduring interruption of the circuit.

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.5 Breakers shall be operated by a stored energy mechanismwhich is normally charged by a DC motor, but which canalso be charged by a manual handle for emergency closingor testing.

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.6 The closing speed of the contacts shall be independent ofboth control voltage and the operator. Interrupting timeshall be uniform, and shall not exceed 5 cycles.

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.7 Movable contacts shall be mounted so that they are easilyaccessible for inspection.

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.8 Circuit breaker control switches shall be pistol grip type, 3position (close-off-trip) with target indication of the lastoperation and spring return to the off position.

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.9 Each circuit breaker shall have two type "A" and two type"B" auxiliary switches, wired out to the uppercompartment.

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.10 Breakers shall have a means for horizontal racking in andout of the compartment and between positions. Provisionshall be made for padlocking the breaker in either thedisconnected or test position. Operating personnel shallnot have to enter the breaker compartment to rack out thebreaker to the test and disconnected positions. The celldoor must be capable of being closed with the breaker indisconnected position.

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.11 The breaker control voltage shall be 125 volts DC. o o o

.12 Breakers of the same rating shall be interchangeable. o o o

.13 Circuit breakers shall be of North American manufacture. o o o

.14 Circuit breaker cells shall match the fused switch cells ingeneral appearance.

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.15 Circuit breaker switchgear shall be metal clad, withgrounded sheet steel barriers separating each cell intocompartments for breaker, buses, cable connections andlow-voltage auxiliaries.

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.16 Compartments shall be designed so that the failure of anydevice shall not cause damage to another device by thespread of arcs or arc products.

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.17 Automatic shutters shall separate the busbars from thebreaker compartment when the breaker is in the"disconnected" or "test" positions.

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.18 Mechanical interlocks shall ensure that a breaker is openbefore it can be racked into or out of the "connected"position, and to prevent closing a breaker unless it is in the"fully connected", "fully disconnected" or "test" positions.

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.19 A mechanical position indicator shall be provided on thefront of each breaker cell to indicate whether the breaker isopen or closed.

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.20 Sliding ground contact shall be provided to ensure thatbreaker frames are grounded before the primary or controldisconnecting contacts are made.

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.21 Provide additional cells as required for bus transition andfor mounting of instrument transformers.

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.3 Cells

The following shall be included in each cell:

.1 Cells #1 and 7- 1 fusible load break interrupter switch c/w voltageindicators and station type lightning arrestors.

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.2 Cells #2 and 6 (Transition)- 3 current transformers, for measurement of bus phasecurrents, wired to a test block and ammeter for the bus andtotalizing kw-hour and demand meter on front of Cell #4

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.3 Cell #3 (Incoming Circuit Breaker)

Upper Front Compartment-3 phase induction overcurrent relays, 50/51-1 residual induction overcurrent relay, 50/51N-1 pilot wire relay, 87, and pilot wire sending relay, 85S-1 circuit breaker control switch-5 indicating lights, red "closed," green "open," white"fault trip," white "transformer gas trip" and white"transformer overtemperature trip"-auxiliary relays for tripping this breaker and tie breaker inCell #4 on associated power transformer gas and secondstage transformer overtemperature.

Lower Compartment-1 circuit breaker-3 current transformers, 600-5 amps, mounted on the lineside of the breaker, wired to test block on front of cubicle-3 current transformers 600-5 amps, mounted on the loadside of the breaker, wired to shorting type test block onfront of cubicle

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.4 Cell #5 (Incoming Circuit Breaker)-This cell shall be identical to Cell #3 with the exception ofthe pilot wire check relay, which shall be receiving, 85R.

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.5 Cell #4 (Tie Breaker)-6 ammeters, for measurement of Bus "A" and Bus "B"currents (total of 6)-1 voltmeter-1 voltmeter transfer switch, 4 position, for measurementof line voltages-1 totalizing kilowatt-hour and demand meter-2 current transformer test and shorting type test blocks-1 terminal strip for termination of two incoming 6-pairpilot cables-1 circuit breaker control switch-2 indicating lights, red "closed," and green "open"-1 set of fuses for each outgoing DC circuit to circuitbreaker charging and status indicating circuits. No fusesshall be provided in circuit breaker tripping circuits.Provide a 2 pole knife switch to isolate each DC circuit. --HRC secondary fuses in dead front moulded case holders,for supply to Bus "A" volt meter and kilowatt-hour meter

Provide wiring terminating on a terminal block in Cell #4to allow monitoring of tripping on each of the threebreakers, as well as a normally open auxiliary contact fromeach breaker to monitor the breaker position. Thesecontacts shall be dry type, suitable for 24 volts DC. Thelow voltage battery alarm shall also be wired to this strip.Eight spare terminals shall be provided on this strip forfuture use.

Lower Section-1 air circuit breaker, identical to incoming circuit breakers

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.6 Cell #8 (Potential Transformer)-1 non-fusible, load break interrupter switch-1 set of ground studs-2 potential transformers, 14400-240 volts, meteringaccuracy, primaries protected by S&C fusistors

PT's shall be readily accessible and shall permit saferemoval for fuse replacement. Provide a barrier betweenthe PT compartment and the load break switch.

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.4 Switchgear Control Power Source

.1 The power source shall be 120 volt AC input, 125 volt DCoutput, in a free-standing, minimum #14 gauge, reinforcedformed steel cabinet, housing batteries, charger, controlsand alarms.

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.2 Two lifting eyes shall be provided. All interior andexterior surfaces shall be phosphate cleaned, primed andpainted to the manufacturer's standard.

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.3 Batteries shall be mounted in the lower compartment, onwelded angle iron steel supports, stepped to ensure thatelectrolyte levels of all cells are clearly visible. Two doorsshall be provided, complete with 3 point latch andprovision for padlocking.

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.4 Batteries shall be arranged for easy access andmaintenance.

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.5 The battery bank shall consist of single nickel-cadmiumcell units, 125 volts DC output, to operate the closing,tripping and spring charging mechanisms of the breakers,test cabinets, indicating lights and relays.

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.6 The battery capacity shall be such that after 24 hoursoperation without the charger, operating two simultaneoustrippings followed by two consecutive closings of all 13.8kv breakers, the output voltage shall not be lower than 105volts.

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.7 The battery shall be capable of supplying the loads to anend voltage of 1.14 volts per cell at 25deg.C.

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.8 The battery containers shall be made of polypropylene,complete with flame arrester caps. Maximum andminimum electrolyte levels shall be indicated on the celljars.

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.9 The charger shall be self-regulating, current limited,automatic dual rate, with indicating, control and protectivedevices. The charger and its controls shall be such that thecharging rate decreases as the battery approaches fullcharge and provides a trickle charge to maintain the batteryat fully charged state.

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.10 The charger shall be removable without removing thecontrol and power harnesses.

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.11 Provide the following:-AC input breaker, 1 pole-DC breaker for battery power output, 2 poleDC breakerfor charger output, 2 pole-DC charge rate ammeter and output voltmeter, 2%accuracy-28 day equalize timer-float-equalize switch-float and equalize adjustments independent of each other,lockable-"AC on" lamp

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.12 Provide the following alarms, each with visualannunciation of the charger control panel:-AC failure-high or low output voltage-rectifier failure-ground fault (5 mA sensitivity)

Provide one common form C contact for remote indicationof all alarms.

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.13 All control and power cables shall be neatly laid in conduitduct. Harnesses to the door control panel shall be neatlybundled and suitably tie wrapped, to achieve maximumreliability and enhance the overall appearance. All controland alarm cards shall be of the plug-in type.

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.14 Wiring and terminal blocks shall be as specified for theswitchgear.

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.15 Provide the following battery accessories:-hydrometer-plastic filler bottle-insulated wrench-instructions-all necessary intercell connectors suitable for cabinetsupplied-Komoline non-corrosive grease

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.5 Installation

.1 Install embedded floor channels. o o o

.2 Set and secure cells in place, rigid, plumb and square, onchannel bases.

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.3 Interconnect cells at shipping splits, using bus barconnectors supplied by the manufacturer.

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.4 After installation and levelling, render the entireswitchgear rodent proof by means of steel plates, groutingor screens.

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.5 Check factory-made connections for mechanical security,electrical continuity and current phasing.

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.6 Make grounding connections between equipment groundbuses and building grounding system.

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.7 After finishing work, remove foreign material, includingdust, before energizing equipment.

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.8 Install fuses into fuse holders. o o o

.9 Verify operation of live-line indicators. o o o


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.6 Testing

.1 After installation is complete, but prior to energizing, testall mechanical and electrical components for properoperation and function in accordance with themanufacturer's recommendations, including but not limitedto the following:

.1 Perform resistance measurements on bus, phase-to-phase and phase-to-ground with all switchesand breakers in the normal operating position,with the contacts open.

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.2 Measure control circuit insulation resistance toground.

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.3 Employ the service of an independent testingcompany to inspect all protective relays andovercurrent devices, and verify settings inaccordance with the manufacturer's instructionsand the co-ordination study.

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.4 Inspect all current transformers and relays forcorrect polarity connections and installation ofjumpers in unused current transformer circuits.

o o o

.5 Make a logic check of the controls and interlocks,simulating operating and fault conditions.

o o o

.6 Check that all ground connections have beensecurely made.

o o o

.7 Manually close and trip each breaker and adjustmain contact alignment and wiping action inaccordance with the manufacturer's instructions.

o o o

.2 After installation and levelling, render the entireswitchboard rodent proof by means of steel plates,grouting or screens.

o o o

16.7 4.16 KV Dry Type Power Transformers (Indoor use only)

.1 The transformers shall be power type ANN/ANF indoor, aircooled, dry type with continuous capacity as shown on thedrawings.

o o o

.2 The transformers shall be three phase with 4.16 kv Delta primaryand Wye secondary, voltage as required.

o o o

.3 The insulation shall be Class H. o o o

.4 At ANN rating the temperature rise shall be 150oC. o o o

.5 The transformers shall have four 2� % full capacity primary taps,two above and two below normal voltage. Provide off load tapchanger.

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.6 The transformers shall be high efficiency, low impedance type,with K factor to suit.

o o o

.7 The maximum sound level at ANN rating shall be 60 db. o o o

.8 The transformers shall have 60 kv B.I.L. rating. o o o

.9 The transformers shall be equipped with fans to increase capacityto 133% nameplate rating.

o o o

.10 A control panel for the forced air cooling shall be included in thetransformer and it shall include power connection to the secondaryof the power transformer, protective devices, control transformerfor fan power source and control, contactor, fuses, alarm bell, etc.

o o o

.11 A dial type winding temperature thermometer with 2 sets ofcontacts, one for activation of the forced air cooling and one foralarm bell in the control panel shall be provided.

o o o

.12 Primary terminations shall match type and arrangement ofincoming power connections. Potheads, where required, shall bepart of transformer.

o o o

.13 Secondary terminations shall match type and arrangement ofoutgoing bus ducts or cables.

o o o

.14 Adequately size junction or throat to accommodate phasecollection of connections.

o o o

.15 The neutral bushing shall be brought out into junction box andgrounded.

o o o

.16 The transformer shall be supported directly on vibration isolationmounting which provide a uniform deflection.

o o o

.17 The transformer shall have two coats of primer and two coats offinishing paint. Transformer shall be finished in grey paint.

o o o

.18 Certified test report on the transformer, including temperature,sound level, impulse, impedance regulation, winding loss, coreloss, exitation, turns-ratio and polarity, shall be provided.

o o o

.19 Prior to energizing or commissioning the transformer, it shall befully inspected, tested, checked and adjusted and the followingverified:-Grounding-Ratio-Polarity-Insulation Resistance

o o o

16.8 13.8 KV Power Transformers (Indoor Type)

.1 Power transformers shall be silicone oil liquid filled, sealed tank,self cooled, type LNAN-LNAF, 2 winding, step down, with atemperature rise at rated self-cooled load of 55C over an ambientof 40C maximum and 30C average.

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.2 The capacity of each transformer shall be:-100% kva at 55C rise without fans-112% kva at 65C rise without fans, with no loss of transformer life-133% kva at 65C rise with fans, with no loss of transformer life

Fans shall be provided.

o o o

.3 High voltage windings shall be 13.8 kv, delta connected, with four2� % rated kva taps, two above and two below nominal voltage.

o o o

.4 Low voltage windings shall be as required, wye connected, withthe wye connection solidly grounded outside the tank.

o o o

.5 The basic impulse insulation level shall be 95 kv. o o o

.6 The impedance shall be between 5.5% and 6.3%, including alltolerances.

o o o

.7 Transformers shall be complete with all standard accessories,including but not limited to the following:-Off load circuit tap changer operable from ground level by asingle external wheel, with provision for padlocking in anyposition.-Tap position indicator.-High internal tank pressure relief device.-Hermetically sealed dial type oil temperature thermometer, threestage, with trip, fan start and alarm contacts.-Liquid level gauge with alarm contact, bottom drain valve andsampling device.-Two tank grounding studs for No. 4/0 AWG conductor.-Lifting eyes, welded bottom corner jacking steps and provision forskidding.-Diagrammatic nameplate of non-corroding material.-Sudden gas pressure relay with trip and alarm contacts. Seal-in orlockout relays shall operate on 125 v DC.

o o o

.8 All alarm contacts shall be wired out to a control enclosure. o o o

.9 Windings and all current carrying conductors shall be copper. o o o

16.9 High Voltage Cable (15 KV)

.1 Materials

.1 Cables shall be 750 MCM copper conductor, triplexed,rated 15 kv, 133% insulation level, manufactured andtested to IPCEA Publication S-66-524.

o o o

.2 The cable shall be Class "B" stranded copper with 61strands, extruded semi-conducting polyethylene shield,Exelene insulation, extruded semi-conducting polyethyleneshield, wire shielding composed of 29 #10 AWG softtinned copper strands for a short circuit rating of 10,500

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Amps for 8 cycles covered with a separator and an overallPVC jacket.

.2 Installation

.1 Before pulling the cable into a duct, clean the duct bypulling through a stiff bristle brush, and a swab to removeall water, mud, sand, earth and other foreign matter.

o o o

.2 Install cables in continuous lengths without splices, unlessspecifically indicated otherwise.

o o o

.3 Use pulling eyes to install the cables. o o o

.4 Use a good quality, approved lubricant in sufficientquantity for the pulling operation. The lubricant shallpossess the following characteristics:-No harmful effect on cable jacket.-Percentage of water content (if water based) shall beminimal.-Retention of lubricant qualities over a long period of time.-Shall not freeze in cold weather (above 0 deg. F).-Shall be approved by C.S.A. for the cables being installed.

o o o

.5 erminate and splice cables in accordance with the cablemanufacturers' recommendations, using only the methods,materials and compounds recommended.

o o o

.6 Each splice and stress cone termination shall be a built-uptype, generally consisting of approved compression typeconnector, insulating tape, semi-conducting tape, self-amalgamating polyethylene tape, insulating shielding and acopper braid cover connecting at both ends to the shield,equal to shielding of cable.

o o o

.7 Splicing and stress cone termination shall be performed bya trained and qualified splicing and testing companyapproved by the U of T, experienced in the type of splicingwork called for by the nature of this work and inaccordance with the cable manufacturer's recommendation.

o o o

.8 Hi-pot the complete cable installation, includingterminations, in accordance with the applicable CSA andIPCEA Standards, and submit written report of Hi-pot test.

o o o

.9 Install cables in accordance with the manufacturer'srecommendations for the specific type of cable andinstallation conditions.

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16.10 Low Voltage Distribution System Equipment ( 600 Volts Maximum)

.1 Main Switchboard

.1 The main switchboard shall be a complete, metal enclosed,factory assembly, tested and shipped ready for installation,including main and tie breakers, metering and powerdistribution section of required short circuit rating, andampacity.

o o o

.2 The voltage, ampacity and short circuit rating of theswitchboard shall be discussed with the U of Trepresentative.

o o o

.3 The switchboard shall be of the size and number ofsections indicated, and shall not exceed the dimensionsshown on the drawings or specified herein.

o o o

.4 The entire switchboard shall be shipped in one sectionunless written approval is given by the Consultant. Fieldconnections of buswork shall be limited to reconnection ofthese sections with drilled and prefabricated components.

o o o

.2 Construction

.1 The enclosure shall be sprinkler proof, made up of steelframes bolted and welded together to form a rigid, free-standing, dead front structure. All sections shall be ofuniform dimension and appearance.

o o o

.2 Front panels or doors shall be formed type, fabricated fromcold rolled sheet steel and supported by concealed hinges.Flat, bolt-on panels shall be supplied on the top and on thesides. Hinged doors shall be provided at the rear of theassembly.

o o o

.3 Each cubicle shall be divided vertically into two sections.The front section shall be further divided by sheet steelbarriers into compartments containing instrumenttransformers, circuit breakers, fused switches and otherequipment. The rear section shall include buses andprovision for connecting external wiring entering from thetop or bottom as required.

o o o

.4 Circuit breaker compartments shall be equipped withprimary and secondary disconnecting contacts, breakermounting pan complete with integral rails, instrumenttransformers, stationary disconnecting mechanism partsand a mechanical interlock which prevents moving theremovable unit into or out of the connected position whilethe circuit breaker is closed.

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.5 Compartments for future breakers shall be complete withbus connections, disconnecting contacts and supportingrails, ready for the insertion of a breaker and withinsulating covers for the disconnecting contacts.

o o o

.6 The structure shall be mounted on a channel base suppliedby the Vendor. The structure shall be suitable for liftingfrom a truck and being rolled and jacked into position.

o o o

.7 Hardware shall be steel with non-corroding plating. o o o

.8 After fabrication, each steel structure shall be groundsmooth, cleaned, bonderized and finished with ANSI 70grey enamel.

o o o

.9 Provision shall be made for cables and busducts enteringthe top of the switchgear.

o o o

.3 Buses

.1 Buses shall be high strength, high conductivity, tin platedcopper. Provision shall be made for extending the buses tofuture cubicles at each end of the switchboard.

o o o

.2 Buses and connections shall be designed so that themaximum temperature rise of any part will not exceed 65Cin an ambient temperature of 40deg.C.

o o o

.3 Buses shall be joined together with a minimum of twobolted connections. Bus joint hardware shall be non-corroding.

o o o

.4 A continuous copper ground bus shall be run near thebottom, the full length of the switchboard. The metalframes of all components shall be connected to the groundbus. Provide a lug for connecting to the external groundconductors at each end of the bus.

o o o

.5 The momentary rating of the ground bus shall be equal toor greater than that of the apparatus in the assembly. Theminimum size shall be 7 x 50 mm.

o o o

.6 Provide bus transition sections where required, with boltedaccess panels.

o o o

.4 Circuit Breakers

.1 Air circuit breakers shall be 3 pole, single-throw, 60 Hz,quick make, quick break, trip free, electrically-operated,spring-closed, stored energy type, complete with threeadjustable solid state series overcurrent tripping devices,arc chutes, position indicator and mechanical trip button.

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.2 Breakers shall be equipped with a grounding device tosolidly ground the framework before the maindisconnecting contacts are engaged and to maintain thegrounding until after the contacts have separated.

o o o

.3 Breakers shall be capable of withdrawal from the"connected" to the "test" and "disconnected" positions withthe cubicle door closed. Each breaker shall be equippedwith a position indicator, mechanically connected to thecircuit breaker mechanism. Interlocks shall be provided toprevent moving a closed breaker into or out of the"connected" position.

o o o

.4 Circuit interrupting devices shall have high interruptingefficiency and shall minimize the formation of arc flameand gases.

o o o

.5 Breakers shall have ground fault interrupting devices asrequired by Code.

o o o

.6 Circuit breakers shall give visual indication of the reasonfor tripping. Trip indicators shall be maintained typewhich remain in position until manually reset and whichoperate without an external power supply.

o o o

.7 The air circuit breakers shall have silver-tungsten, butt typecontacts which operate under high pressure. The arcingcontacts shall be of arc-resisting silver-tungsten. Thebreaker shall be equipped with arc chutes which effectivelyenclose the arcing contacts and confine the arc to reducethe disturbance caused by short circuit interruption.

o o o

.8 The removable element shall consist of an air circuitbreaker equipped with the necessary disconnectingcontacts, wheels and interlocks for drawout application.

o o o

.9 The closing springs shall be capable of being chargedmanually by means of an emergency handle. The releaseof the energy to close the breaker manually shall be bymeans of a mechanical pushbutton which ensures positivecontrol of the closing operation.

o o o

.10 Breakers shall have a solid state overcurrent trippingsystem, consisting of one current sensor per pole, one solidstate trip unit and one trip actuator operating on the fluxtransfer principle. The trip unit shall have continuouslyadjustable long delay current pick-up, long delay time,short delay current pick-up, short delay time andinstantaneous pick-up. Breakers shall be equipped with aground current pick-up, set at the factory, at a leveldetermined by the coordination study.

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.11 Main breakers shall have ground fault protectiveequipment, including ground fault sensors, currentmonitors, relays and devices for a complete ground faultprotection system.

o o o

.12 All necessary tripping energy shall be derived from theload current and no separate power supply shall berequired. All tripping functions on each breaker must beperformed by one secondary control circuitry, with nomechanical or direct magnetic action between the primarycurrent and the mechanical tripping parts of the breaker.Mechanical tripping of the breaker shall be made by anactuator which will operate the mechanical trippingmechanism of the breaker when a tripping pulse is emittedby the trip unit. When the trip unit does not have aninstantaneous element, it shall include a discriminatorfeature to permit instantaneous tripping only when thebreaker is being closed.

Breaker trips shall be completely self-powered with noexternal control power source required.

o o o

.13 Each trip unit shall have a terminal block equipped withtest plug terminals accessible at the front to permitconvenient field checking of calibrations. The trippingcurrent range shall be established by the sensor ratingrather than by the trip unit. Necessary tripping energyshall be produced by current sensors installed on eachphase which shall produce an output proportional to theload current, so the breaker continuous current rating forany frame size can be changed simply by changing thesensors. Sensors shall be installed on the load side of thebreakers and must remain with the breaker when it iswithdrawn.

o o o

.14 All breakers of the same frame size shall beinterchangeable.

o o o

.5 CDP Panel Sections

.1 The end of the low voltage switchboard shall be providedwith a distribution panel section. The voltage, ampacityand short circuit rating shall be discussed with the U of Trepresentative.

o o o

.2 Provide circuit breakers with current limiting fuses ifnecessary to meet the short circuit rating.

o o o

.3 The panel shall be double row, with maximum number ofspaces that height permits, based on the section being thesame height as the switchboard.

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.4 The panel sections shall have hinged, lockable doors andhinged front cover plates to permit inspection by thermalscanning. A directory card holder shall be welded to theback of the door and be complete with card and clearplastic cover with typed directory.

o o o

.5 Lamicoid nameplates shall be installed next to each circuitbreaker, engraved with the name of the device or apparatussupplied by the circuit breaker.

o o o

.6 Metering

.1 Provide all necessary current and potential transformers forthe Owner's metering and alarms requirements.

o o o

.2 Potential transformers shall be primary fused and fusesshall be HRC type, readily accessible.

o o o

.3 Current transformers shall have standard meteringaccuracy and shall be provided with shorting type testblocks.

o o o

.4 Voltmeters and ammeters shall be flush switchboardindicating type, rectangular, with 250 degree scales.Provide separate ammeters and voltmeters complete with 4position transfer switches for Bus "A" and Bus "B".

o o o

.5 Provide totalizing KWH & KW demand meter. o o o.7 External Connections

.1 Provide bus extensions and busduct flanges as required,completely coordinated to the incoming busduct feeders.Provide bus transition section where required with boltedaccess panels.

o o o

.2 Busducts shall be copper, of ampacity and voltage asrequired and in sprinkler-proof enclosure, complete withall required elbows, terminations, fittings and accessories.

o o o

.3 The switchgear manufacturer shall be responsible forproper coordination of the busduct at the switchgear andtransformer ends.

o o o

.4 Bus terminations shall be accessible for inspection. o o o

.5 Provide clamp type terminal blocks complete with markingstrips for all interconnecting and outgoing small wiring.Terminal blocks shall be accessible for inspection andtesting.

o o o

.6 Identify terminals and conductor ends by means of suitablemarkers, to agree with the wiring diagrams.

o o o

.7 Control wiring shall be type TEW thermoplasticequipment wire.

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.8 Control wiring shall be run not closer than 150 mm fromthe bottom of the switchboard.

o o o

.8 Accessories

.1 Nameplates shall be engraved lamicoid, with white letterson a black background, fastened with stainless steelscrews.

o o o

.2 Nameplates for main and tie breakers, section and cellidentification and for the entire switchboard shall haveletters not smaller than 13 mm high. Nameplates forbranch breakers, switches, pushbuttons, control devices,pilot lights and metering shall have letters not smaller than3 mm high.

o o o

.3 Warning signs on doors and access panels shall beengraved lamicoid with white letters on a red background,fastened with stainless steel screws.

o o o

.4 Control contacts, auxiliary contacts, relays and small orlight mechanisms shall be enclosed and protected, andshall be accessible for repair or adjustment.

o o o

.5 Furnish the following accessories:-set of extension rails-hoisting device for removing breakers-breaker lifting yokes-1 test plug for each test block-levering out device, if required-2 sets of special tools and hardware, for maintenance,removal and handling.

o o o

16.11 Lighting and Receptacle Panels

.1 Panels shall be of the sprinklerproof, if in sprinklered area, deadfront type, enclosed in Code gauge steel equipped with door, lockand directory and shall be suitable for surface or flush mounting asrequired.

o o o

.2 Bussing in each panel shall be copper and shall extend the fulllength of the panel.

o o o

.3 Breakers shall be ambient compensated type, calibrated at 40deg.Cand be of the bolt-on type, without any plug-in connections. Multi-pole breakers shall have common trip.

o o o

.4 Panels for use on 208 volt system shall, unless otherwise noted, beof the "NBLP" type with NB breakers.

o o o

.5 Panels for use on 600 volt system shall, unless otherwise noted, beof the "NHDP" type with CED6 breakers.

o o o

.6 Panels, including tubs, shall have two coats of primer paint and twofinish coats.

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.7 Panels shall be of the same manufacturer as the switchboard. o o o

.8 Panels are to be mounted so that the top of the panels are 6'-6" (2m)above finished floor.

o o o

.9 Provide 2 - 1 � " empty conduits from each flush mounted panel tothe ceiling spaces above and below for future installation of wiring.

o o o

16.12 Power Panels

.1 Power panels shall be factory assembled, sprinklerproof, freestanding or wall mounted to suit, dead front type, suitable for useon the system as specified on the drawings.

o o o

.2 Breaker panels shall be of the "CDP" type with the sizes and typeof breakers as shown on the drawings. The panels shall be wallmounted, surface or flush as specified on the drawings, with hingedfront panels.

o o o

.3 Splitter troughs shall be complete with copper bus bars the lengthof the trough. The covers shall be bottom hinged with retainedsecuring screws at the top.

o o o

.4 Splitter troughs shall be complete with copper bus bars the lengthof the trough. The covers shall be bottom hinged with retainedsecuring screws at the top.

o o o

.5 Bussing in each panel shall be copper and shall extend the fulllength of the panel.

o o o

.6 Panels shall be provided with non-ferrous plates for metal sheathedcables.

o o o

.7 Power panels shall be of the same manufacturer as the mainswitchboard.

o o o

.8 No plug-in connections of any type are acceptable within a panel orswitchboard.

o o o

.9 All panels less than 5'-0" (1.5m) are to be wall mounted so that thetop of the panel is 6'-6" (2m) above finished floor.

o o o

.10 Panels, including tubs, shall have two coats of primer paint and twofinish coats.

o o o

16.13 Dry Type Transformers - Low Voltage

.1 Dry type transformers shall be of the indoor, air cooled, dry type ofthe size, rating and capacities to suit and shall be sprinklerproof.All windings and terminations shall be copper.

o o o

.2 Transformers shall be of the 1.2 kv Class, standard B.I.L., withClass 220 insulation.

o o o

.3 Transformers shall have 4 primary - 2 � % full capacity taps, 2above and 2 below normal, with wires brought out to tap board.Provide tap changing board with links.

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C NC N/A

.4 Ample ventilation openings at top, bottom, front and sides shall beprovided, but these shall be shielded to prevent access to the liveparts.

o o o

.5 Transformers shall be equipped as required with eye bolts, braces,etc. to enable them to be wall mounted, floor mounted orsuspended.

o o o

.6 External, anti-vibration isolation mountings shall be supplied andinstalled for all transformers, on minimum 4" high housekeepingpads.

o o o

.7 Transformers shall have two coats of primer and two finish coats. o o o

.8 Provide transformer K - factor to suit application. o o o

.9 Transformer losses and high efficiency shall comply withASHRAE/IES 90.1-1989.

o o o

16.14 Motor Starter and MCC's

.1 Starters

.1 Combination magnetic starters shall be complete with:-Circuit breaker-Sprinklerproof enclosure-Overload relays, in all three phases-Primary, fixed, 120V control transformer with 100 wattextra capacity-Hand-Off-Auto selector switch-Running pilot light (red)-Reset button-Minimum of two sets of Form `C' auxiliary contacts in amylar enclosure, to complete the control and interlockingsequences described in these specifications-Prewired control relays, compatible with thermistors,where starters are provided for motors with thermistor.Include a pilot light to indicate when the sensing devicehas operated and a separately-identified reset button.

o o o

.2 Starters shall be of the same manufacturer. o o o.2 MCC's

.1 Motor control centres shall be CSA C22.2 No. 94, withsprinklerproof hood, indoor, free-standing, front removal,Class II, type B rated, with RMS interrupting capacity tosuit and shall include the following:-Closed, dead front construction-Main breaker-Tinned copper main bus-Tinned copper vertical bus in each section-Continuous ground bus-Full height barrier to isolate the vertical bus from thestarters

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C NC N/A

-Full height wiring trough with cable supports for wiring-Line and control terminal blocks, each with 20 percentspare capacity-Starters and disconnects shall have free floating, self-aligning construction with silver-to-silver contact. Eachstarter and disconnect shall be capable of being removedwith the remainder of the MCC still energized.-Where spaces are noted for future, provide each spacewith blank cover, rails and necessary hardware to allow astarter or breaker to be installed and connected at a laterdate without changes to the internal distribution.

.2 Each starter or breaker installed in the MCC's shall becomplete with an engraved Lamicoid nameplateidentifying load served.

o o o

.3 Individual, 120V control transformers with fused primaryshall be supplied for each starter as shown. A ground busshall be provided for the full length of each MCC.

o o o

.4 Cable lugs or bus duct terminals shall be provided asrequired. The main bus shall be adequately sized to matchfeeder size.

o o o

.5 Each MCC shall have a minimum of one spare section forfull height of MCC to house automatic temperature controlrelays, fire alarm shut-down relays, smoke evacuationwiring terminals and accessories. These spare sectionsshall be fitted with a suitably stiffened hinged access doorfor full height of section.

o o o

.6 MCC's shall be given a rust inhibiting metal treatment andshall have their insides finished in white. The exteriorshall be finished in two coats of paint.

o o o

16.15 Diesel Generator Set

.1 General

.1 Rating

Provide diesel generator set rated at rating indicated ondrawing at 0.8 power factor for continuous prime powerduty with 10% overload capacity at 0.8 power factorcontinuously.

o o o

.2 Diesel Generator

The diesel engine generator set shall be capable ofproducing 110% rated kilowatt at 0.8 power factorcontinuously

o o o

.3 The new and retrofit installation of diesel generator shallcomply with Ministry of Environment requirements.

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.4 Diesel Engine

Provide diesel engine, full compression ignition type, fourstroke single acting, for No. 2 diesel oil fuel injection withall accessories as required to comply with the specifiedfunctions and performances.

o o o

.5 The engine shall be four (4) stroke. o o o

.6 Speed

Engine speed at normal full load operation shall not exceed1800 RPM.

o o o

.7 Governor

Provide an engine Governor capable of maintaining theengine speed within 3% of the rated frequency from noload to full load generator output. The frequency at anyconstant load, including no load, shall remain within asteady state band width of �0.25% of rated frequency.

o o o

.2 Diesel Engine Starting System

.1 The engine shall be provided with a 24 volt electricstarting system of sufficient capacity to crank the engine ata speed which will allow full diesel starting of the engine.

o o o

.2 Lead acid battery shall be furnished, having sufficientcapacity for cranking the engine for at least 60 seconds atfiring speed in the ambient temperature of 10deg.C,consisting of at least six 10 second cranking attempts, withbattery and voltage not less than 80% rated voltage.

o o o

.3 Engine coolant heater - 120oF to 140oF. o o o

.4 Equipped with 120V, 60HZ, auto cut-out on engine start. o o o

.3 Engine Instruments

.1 An engine- or generator-mounted instrument panel shallcontain the following gauges for proper enginesurveillance and maintenance:-Engine water temperature-Engine lube oil pressure-Engine lube oil temperature-Engine running hourmeter-Battery charging indicator-Engine fault indicators for oil pressure, water temperature,and engine overspeed

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.4 Exhaust System

.1 A suitable silencer, of the residential type, shall befurnished with the engine.

o o o

.2 A flexible, continuous, bellows type, stainless steelinterlocking joints exhaust pipe, at least 24 inches long,shall be furnished for each engine exhaust outlet. The pipeoutlet connections shall be compatible with standard ASA-125 lb. pipe flange.

o o o

.3 The exhaust pipe shall be terminated at the highest point ofand above and away from supply/exhaust systems.Provide rain guard on exhaust pipe. Muffler shall beinsulated and be c/w drain line.

o o o

.5 Safety Controls

.1 The engine shall be equipped with automatic safetycontrols which will shut down the engine in the event oflow lubricating oil pressure, high jacket water temperature,engine overspeed, engine over-crank, and electricalcontacts for alarm lights on the alarm panel. In addition,pre-alarm signals for high water temperature, overspeedand low oil pressure shall be provided.

o o o

.6 Generator Set Performance

.1 The voltage regulation from no load to rated load shall bewithin a band of � 1% of rated voltage. The steady statevoltage stability shall remain within a 0.5% band of ratedvoltage. Steady state voltage modulation shall not exceedone cycle per second.

o o o

.2 The voltage dip shall not exceed 20% of the rated voltagefor any addition of load up to and including 90% of therated load.

o o o

.7 Engine Panel

.1 Provide a wall-mounted or free standing panelboardhaving a hinged door and lockable door handle.

o o o

.2 The following equipment shall be mounted on the upperportion of door at eye level:-3 - thermal demand and indicating ammeters, flushmounted on door-1 voltmeter and voltmeter switch-1 frequency meter-Engine alarms, including a common horn and indicatinglight for each of the following functions: -Engine water temperature -Engine lube oil pressure -Engine overspeed -Engine overcrank

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C NC N/A

-Fuel supply -Battery charger -Alarm lamp test feature-synchronization to be discussed with U of T and shall beprovided or have provision for adding in the future, asdirects.

.8 Testing of Diesel Generator(s) (Factory Testing)

.1 Before shipment, the complete generating plant(s) shall betested at the factory under actual load conditions forperformance and proper functioning of component parts.The Owner's presentative shall have the right to witnesssuch tests. Provide 14 days notice of test date. Theconsultant will ensure that the contractor carries out thefollowing:

.1 Provide an artificial load as required to testengine(s) at 100% and 110% of full kilowattresistive load.

o o o

.2 Perform the following tests to include the dieselengine, generator and subsystems:

.1 Verification that all set components arecorrectly installed and interconnected.

o o o

.2 Verification that all subsystems are completeand operate according to design criteria.

o o o

.3 Verification of voltage drop on assumption ofload under the specified (simulated)conditions.

o o o

.4 Individual testing of each protective deviceand verification of the accuracy of control setpoints.

o o o

.5 Operate the diesel engine(s) from 0 to 100%simulated load, starting at no load andincreasing in increments of 25%. Check ateach load point stable operation, fuelconsumption and engine performance.

o o o

.6 Operate diesel generating set(s) at 110% loadfor one hour or longer as required untilengine temperature stabilizes.

o o o

.7 Provide a photograph of an oscilloscope traceof the generator output 60 cycle sine wave.

o o o

.3 Submit factory test results in writing for review byU of T prior to shipping of equipment.

o o o

.2 Before final acceptance of the installation, carry out testingat the site in the presence of the U of T representative.

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C NC N/A

.3 Provide an artificial load as required. o o o

.4 Pay all costs for the services of a technician, provided bythe supplier, to perform initial start up and testing for aslong as necessary to verify the system performance andoperation.

o o o

.9 Automatic Transfer Switch(es)

.1 Provide automatic transfer switch(es), 4 pole, doublethrow, (complete with a manual transfer featureincorporating a spring handle), of current and voltageratings as indicated, and all accessories as indicated.

o o o

16.16 Lighting Levels

In the design of University facilities the following standards should befollowed for allumination levels.

.1 Rooms where reading and writing is the major activity, such astutorial rooms, offices, lecture halls, libraries and laboratories - ofcourse there are some exceptions: some laser rooms and computerterminal rooms require less than an office.50 to 75 foot candles illuminance at the performed task.

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.2 Common areas, corridors, stairways, washrooms, elevators,lobbies, lecture rooms10 to 20 foot candles as a general lighting standard throughout thespace.

Note: Bulletin boards mounted in corridors could be “spot lighted”for improved visibility.

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.3 Sports facilities need to be specifically designed and provided foraccording to their use, and will not fall under this general lightingstandard.

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.4 Residences are a very subjective issue. They should also bespecifically designed and provided for according to room functionand tenant comfort. Their corridors, washrooms and stairways,though, should comply with the general lighting guidelines above.

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16.17 Lighting Controls

.1 All lighting systems, except those required for emergency or exitlighting, shall be provided with manual, automatic, and/orprogrammable controls. (e.g. motion sensors in large area).

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.2 The washrooms shall not have switches at the door where peoplemay switch the lights off and create an unsafe condition for others.These areas must be controlled by keyed switches. Key switchesshall be provided to control lighting fixtures in an isolated exit door

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C NC N/A

areas. The light shall be located both in the interior area and alsoon the exterior of the exit.

.3 Electronic classrooms shall be controlled by manual switches only,DO NOT USE touch screen switches.

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16.18 Lighting Fixtures

.1 Fluorescent lighting fixtures installations. o o o

.2 Fluorescent lamps: 4 ft., 32 watt, "T8" 3500 deg. K, or asotherwise specified.

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.3 H.I.D. lamps: high pressure sodium and/or metal halide.Ballasts:Indoor installations: Energy efficient electronicballasts(Fluorescent)Outdoor installations: HPF energy efficient suitable for-30deg.C cold(Fluorescent) temperatureH.I.D. lamp's ballast: HPF ballasts

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.4 Exit Lights: LED type, long life, 120V, 4W HPF surgeprotected.

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.5 Emergency Lighting = 12V; maintenance free, sealed lead battery;having a design life of 10 years and remote test feature.

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.6 PL pot light fixtures shall be complete with vertical lamp. o o o

.7 Light bulbs shall be specified to have a “natural” colour (metalhalides, fluorescent etc).

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.8 Pot lights with specular clear or gold reflectors shall not be used inclassrooms as they reflect the light and are very distractingespecially in front of a classroom. Pot lights with black coilexbaffles shall be used.

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.9 Chalkboards lighting shall be provided in classrooms. o o o

.10 A task light shall be provided at podiums. The type of task lightused must be standardized so that it will be easier to replace partsand bulbs.

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.11 Lights along the stairs in lecture theatres shall be provided. o o o

.12 Dimming controls for room lighting must be simple to understandand operate. Multi button dimmers shall not be installed becauseof high maintenance costs and complications.

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END OF SECTION

Documents

Electrical CheckList