Indian Institute Of Technology Tender

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Sub Head-1 (DG Set) Supply, Installing, Testing and Commissioning of ‘Silent Type 125 KVA Diesel Generating set 415 volts at 1500 RPM, 0.8 lagging power factor at 415 V suitable for 50Hz, 3 phase system at NTP conditions and consisting of the followings: Diesel Engine: Diesel engine 4 stroke, Six cylender, water cooled, electric start, of suitable BHP at 1500 RPM suitable for above output of alternator at NTP conditions and conforming to BS 5514/ISO3046, BS 649, IS 10000, capable of taking 10% over loading for one hour after 12 hour of continuous operation. The engine will be fitted complete with all the required accessories with ATS/AMF.Make-Cumins, Jakson/Caterpillar/CSH (Ashoka Lyland)/Kirloskar/TATA Engine mounted Instrument Panel fitted with and having digital display 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 (vi) RPM indication (vii) Over speed indication (viii) Low lub.Oil trip indication (ix) Engine Hours indication Alternator: Synchronous alternator Stamford make rated at 125 KVA, 415 volts at 1500 RPM, 3 phase 50 Hz, AC supply with 0.8 lagging power factor at NTP conditions. The alternator shall be having SPDP enclosure, brushless, continuous duty, self-excited and self-regulated through AVR conforming to IS: 4722/BS 2613 suitable for tropical conditions and with class-F/H insulation.+/-1.5%Voltage Regulation (max),IP23 Protection with class-H Insulation,Permanent lumbricating bearing,permissible overload of 10% for one hour in 12 hours of opertaion. Make-Stanford/Leroy-Somer/Mecc Alte Base Frame: Both the engine and alternator shall be mounted on suitable base frame made of MS channel with necessary reinforcement which shall be installed on existing cement concrete foundation and i/c supplying & fixing of suitable vibration isolation arrangement as per recommendations of manufacturer. Exhaust System:Dry exhaust manifold with Residential exhaust silencer and catalytic convertor i/c all supporting structure,Turbocharger,Companion flanges for silencer & bellow Starting System :12V/24V DC starting system comprising of starter motors voltage regulator and arrangement for initial excitation complete with suitable nos of batteries (25 plate 100 AH lead acid type) as reqd as per specifications. Acoustic and weather proof enclosure with arrangement for fresh air intake for cooling of the engine & alternator, extraction, discharging hot air in to the atmosphere as per specifications. AMF Panel:Fabricating, insatalling testing and commisioning of automatic mains failure control panel (PS-500) cincluding auto by-pass panel, suitable for 125 KVA silent type DG Set complete with relays, timers, set of CTs of metering & protection and energy analyser to frequency power factor, KWH, KVARH & provision for overload, short circuit, restricted earth fault, under frequency, control cabling from AMF panel to diesel engine and elsewhere if require all complete and inter locking including the following: 1 No.200Amps 4 P MCCB 36 KA (Ics =100% Icu) Make-L&T/SEIL/ABB/C&S, 2 Nos.200 amp Contactar, Auto/ Manual/ Test/ Off Selector switch, 2 Nos. over voltage relay , 2 Nos. reverse power relay and 2 Nos. under voltage relay, 1 Set of 3 Nos. current transformers., Energy analyser unit to indicate current voltage frequency power factor and KWH, Indicating lamps for load on mains and load on set , Suitable MCB for instruments , Battery charger, complete with transformer / rectifier DC voltemeter and ammeter selector switch for trickle off and boost and current adjustment ,Main supply failure monitor,Supply failure timer,Restoration timer,Control unit with three impulse automatic engine start / stop and failure to start lockout,ON/OFF/Control circuit switch with indicater, Impulse counter with locking and reset facility , Audio/ Video annunciation for , Low lubricating oil pressure, Engine over speed , Engine fails to start , Full load/ maximum load warning , High water tempreture. Fuel Tank: Daily service Fuel tank not less than 270 liter liters fabricated from 14SWG sheet metal built inside base frame complete with drain valve,air vent,inlet & outlet connection

Supply & laying of 3.5CX120 Sqmm XLPE Cable and fixing of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size on wall surface or as per the site requirement .