| 3 | DG Set
Supplying, Installation, Testing & Commissioning of Silent Type Diesel Generating set as per CPCB IV + or latest applicale norms of 125 KVA as below, 415 volts at 1500 RPM, 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 arrangements Complete as per CPWD specifications, should have QR code which should contain drawing, test report 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 aboveoutput of alternator at 40 0C, 50% RH & at 1000 Meter MSL , capable of taking 10% over loading for one hour after 12 hours of continuous operation. The engine will be with Electronic governor, Dry type Air filter with service indicator, first filling of engine fuel (after commissioning) lubricating Oil, Coolant and other consumables complete with all the required accessories, the Electronic governor shall be as per ISO 8528.The engine shall comply to the latest CPCB norms (CPCB IV + or better) and Conforming to BS 5514, BS 649, IS 10000, IS 10002, IS 13018 and as per CPWD specifications.
(B) Engine mounted Instrument Panel fitted with and having digital display 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: Synchronous alternator rated of appropriate KVA, 415 volts at 1500 RPM, 3 phase 50 Hz, AC supply with 0.8 lagging power factor at 40 0C, 50% RH & at 1000 Meter MSL. The alternator shall be 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 of continuous operation, self cooled,self-excited and self-regulated through AVR conforming to IS13364(Part 2)/IS: 4722/BS 2613 suitable for tropical conditions and with class- insulation(D) Base Frame As per CPWD specifications(E) FUEL TANK: As per CPWD 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 for initial 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 the engine & alternator, extraction, discharging hot air in tothe atmosphere and the temperature rise inside theenclosure, noise level outside enclosure. The acoustic enclosure should be suitable for cable connection/connection through bus-trunking. Such arrangements on acoustic enclosure should be waterproof & dust-proof conforming to IP-65 protection. The enclosure shall be as per CPCB IV + or better normsetc. and as per CPWD specifications.
(I) AMF Panel:Free standing floor mounted IP 42 automatic mains failure control panel including auto by-pass, suitable for 125 KVA as below for silent type DG set complete with relays, timers, set of CTs for metering & 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) and control (copper ) cabling of suitable size upto 15 meter between AMF panel, LT Panel and DG Set including connection interconnection etc. as required, all complete, the panel shall be of DG Set OEM make etc. as per approved by Engineering in charge and including the following:
1. Suitable numbers and appropriate capacity 4 polemotorised electrically operated draw out with cradletype 3 position ACB/ MCCB with electronic release forO/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. reverse power 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 metering 5. 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 set 7. Fuse/ MCB for instruments 8.Battery charger, complete with transformer/ rectifier, all interconnections, testing, commissioning and handing over complete as per CPWD specifications and Engineer-in-Charge approval. | 1.00 | C.job |
