Name of Work:- C/o Multipurpose Community Hall in Block-E, Sector-16, Rohini. Sub-Head : SITC of 100 KVA D.G. Set. | Sl. No. | Item Description | |
| 1 | Supplying, Installation, Testing & Commissioning of ‘Silent Type Diesel Generating set as per CPCBIV + or better norms along with having Prime Power Rating of KVA as below, 415 volts at 1500RPM, 0.8 lagging power factor at 415 V suitable for 50 Hz, 3 phase system & for 0.85 Load Factor,including testing at factory and site with fuel, load for test and other necessary arrangementsComplete as per CPWD specifications, should have QR code which should contain drawing, testreport OEM manual,Geo- Tag of manufacturing location, rating plate as per relevant IS Code etc.and consisting of the followings:(A) Diesel Engine:Tourbocharged Diesel engine 4 stroke water cooled, multi cylinder, dynamically balanced fly wheel,electric start of suitable BHP at 1500 RPM suitable for above output of alternator at 40 0C, 50% RH& at 1000 Meter MSL , capable of taking 10% over loading for one hour after 12 hours of continuousoperation. The engine will be with Electronic governor, Dry type Air filter with service indicator, firstfilling of engine fuel (after commissioning) lubricating Oil, Coolant and other consumables completewith all the required accessories, the Electronic governor shall be as per ISO 8528.The engine shallcomply to the latest CPCB norms (CPCB IV + or better) and Conforming to BS 5514, BS 649, IS10000, IS 10002, IS 13018 and as per CPWD specifications.(B) Engine mounted Instrument Panel fitted with and having digital dis Plate for following:(i) Start-stop switch with key(ii) Water temperature indication(iii) Lubrication oil pressure indication(iv) Lubrication oil temperature indication(v) Battery charging indication and Voltage indication(vi) RPM indication(vii) Over speed indication(viii) Low lubricantion Oil trip indication(ix) Engine Running Hours indication(x) Fuel Level(C) Alternator: | | 2 | Synchronous alternator rated of appropriate KVA, 415 volts at 1500 RPM, 3 phase 50 Hz, ACsupply with 0.8 lagging power factor at 40 0C, 50% RH & at 1000 Meter MSL. The alternator shallbe having Screen Protected Drip Proof (SPDP) enclosure IP23, brushless, continuous duty,dynamically balanced rotor, capable of taking 10% over loading for one hour after 12 hours ofcontinuous operation, self cooled,self-excited and self-regulated through AVR conforming toIS13364(Part 2)/IS: 4722/BS 2613suitable for tropical conditions and with class- H insulation.(D) Base Frame & Foundation:Both the engine and alternator shall be mounted on suitable base frame made of MS channel withnecessary reinforcement which shall be installed on suitable cement concrete foundation andvibration isolation arrangement as per recommendations of manufacturer.(E) FUEL TANK:Daily service fuel tank of suitable liters capacity as per CPWD Specifications, fabricated out of 3mm thick M.S. sheet complete with all standard accessories and fuel piping between fuel tank anddiesel engine with MS class ‘C’ pipes of suitable dia. Complete with valves, level indications &accessories as required as per specifications.(F) Exhaust System:Dry exhaust manifold with hospital type exhaust silencer and catalytic convertor.(G) Starting System:12V/24V DC starting system comprising of starter motors: voltage regulator and arrangement forinitial excitation complete with suitable numbers of batteries (180 AH capacity lead acid SMF type)as required as per specifications. The battery shall be housed inside the acoustic enclosure of DG Set.(H) Acoustic and weather proof enclosure with arrangement for fresh air intake for cooling of theengine & alternator, extraction, discharging hot air in to the atmosphere and the temperature riseinside the enclosure, noise level outside enclosure. The acoustic enclosure should be suitable forcable connection/connection through bus-trunking. Such arrangements on acoustic enclosure shouldbe water proof & dust-proof conforming to IP-65 protection. The enclosure shall be as per CPCB IV+ or better norms etc. and as per CPWD specifications. | | 3 | (I) AMF Panel:Free standing floor mounted IP 42 automatic mains failure control panel including auto by-pass,suitable for KVA as below for silent type DG set complete with relays, timers, set of CTs formetering & protection and energy analyser to indicate currents, phase and line voltages, frequency,power factor, KWH, Kilo Volt Ampere Reative Hour (KVARH), KVA (Phase & Total), KW &provision for overload, short circuit, restricted earth fault, under frequency, power (aluminium) andcontrol (copper ) cabling of suitable size upto 15 meter between AMF panel, LT Panel and DG Setincluding connection interconnection etc. as required, all complete and inter locking andcommunication/ Ethernet /RS485/SNMP port open protocol for BMS integration including suitable. software, the panel shall be of DG Set OEM make etc. as per approved by Engineering in charge andincluding the following:1. Suitable numbers and appropriate capacity 4 pole motorised electrically operated draw out withcradle type 3 position ACB/ MCCB with electronic release for O/C & E/F and shunt trip.2. Auto/Manual/Test/Off selector switch3. Protection for under and over voltage phase reversal (2 nos Over voltage relay, 2 Nos. reversepower relay and 2 Nos. under voltage relay).4. 3 Sets of current transformers 15 P 10 accuracy for protection and 15 VA class-I for metering5. Energy analyser unit to indicate current, Voltage( LN & L_L), kW, kVA (Phase & Total),Frequency, KWH, PF.6. LED Indicating lamps for load on mains and load on set7. Fuse/ MCB for instruments8. Battery charger, complete with transformer/ rectifier, D.C. voltmeter and ammeter, selector switchfor trickle, off and boost and current adjustment.9.Main supply failure monitor10.Supply failure timer11.Restoration timer12.Control unit with three impulse automatic engine start/stop and failure to start lockout. | | 4 | 13. Impulse counter with locking and reset facility.14.ON/OFF/Control circuit switch with indicator15.Audio/Video annunciation for(i)High water temperature(ii)Low lubricating oil pressure(iii)Engine over speed(iv)Engine fails to start(v)Full load/maximum load warning16.Protection for over/under Frequency, Loss of AC sensing, Over Current, Unbalancing load withsuitable number of relays and accessories. 17. Maintenance notification based on Engine Run Hour & due date.18. Load Management through PLC to achieve auto opening and closing of incomer breakers, buscoupler switching of essential panel, interlocking providing signal to AMF Panel for load status andAMF shall give command to DG Set to auto start / auto stop depending upon load status andrequirement etc. and necessary hardware and software required to perform the operation shall beprovided by the contractor including all control wiring.A) 100 KVA | | 5 | Supplying of the following size of XLPE armoured Aluminum conductor cable of 1.1 KV gradeconforming to IS 7098 (Part1).a) 3.5x70 sq. mm | | 6 | Laying and fixing of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KVgrade of following size on wall surface as required.a) Above 35 sq. mm and upto 95 sq. mm (clamped with 25x3mm MS flat clamp) | | 7 | Laying and fixing of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KVgrade of following size on cable tray as required.Above 35 sq. mm and upto 95 sq. mm (clamped with 25x3mm MS flat clamp) | | 8 | Supplying and installaton following size of perforated painted with powder coating M.S. cable trayswith perforation not more than 17.5%, in convenient sections, joined with connectors, suspendedfrom the ceiling with two numbers MS/GI Suspenders i/c base of suitable size MS/GI angle, bolts &nuts, painting suspenders, fastener etc as required. | | 9 | Providing and placing in position of electrical insulated rubber mat 1 mtr wide, 2 mtr Long andminimum 2.5 mm thick to withstand 11 KV dielectric strength as per IS : 15652:2006 with latestamendment. | | 10 | Supplying & making end termination with brass compression gland and aluminum lugs for followingsize of PVC insulated and PVC sheathed/XLPE aluminum conductor of cable 1.1 KV grade asrequireda) 3.5x70 sq. mm | | 11 | Earthing with G.I. earth plate 600 mm x 600 mm x 6 mm thick including accessories, and providingmasonry enclosure with cover plate having locking arrangement and watering pipe of 2.70 mtr. longetc. with charcoal coke and salt complete as reqd. | | 12 | Providing and fixing 25 mm x 5 mm G.I. strip in 40 mm dia G.I. pipe from earth electrode includingconnection with G.I. nut, bolt, spring, washer excavation and re-filling etc. as required. | | 13 | Providing and fixing 25 mm x 5 mm G.I. strip on surface or in recess for connection etc. as reqd. 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