PROVN OF S/BY POWER SUPPLY TO OTM BLDG OF HQ WAC (U) AT SUBROTO PARK

Supply, install, test and commissioning of silent Diesel Engine Generating set 415 volts, 3 phase, 4 wire engine as per IS : 10001/10002 or latest conforming to CPCB IV+ Norms and alternator as per IS : 13364 or latest of capacity 320 KVA at site complete with control panel having meters, sound proof canopy etc including all accessories and standard fittings and foundation as per manufactures design /recommendation and and as per the details given below and independent relay panel for automatic on mains failure. Note : The capacity of generator set shall be net after all derating factor as per relavent IS design.

(A) Alternator : Standard design alternator rated at 320 KVA (256 KW) net output at site after considering all derating factors, site conditions and at power factor 0.8, AC, 3 phase 4 wire, 415 V, 50 Cycles/Second, 1500 RPM self excited, self regulated, screen protected, drip proof IP 23 enclosure, brush less design, voltage regulation ± 1.0 % rated voltage from no load to full load and frequency regulation within ± 1.5 % tolerence. (B) DIESEL ENGINE : Developing a net directed output of 380 BHP or higher nearest available @1500 RPM suitably matched with alternator to give a net directed output of 320 KVA vertical diesel engine of suitable capacity ,water cooled,closed circuit as per BS-649 or IS-1002 direct injuction type turbo charged, Electric starting system having rated speed 1500 RPM. The DG set Shall be capable for running 24 hrs continuously with 10% over loading for 01 hour in every 12 hours as per BS-5514/BS-649 or latest. Engine shall be multi cylinder, multi stroke, direct injection and equipped with all standard fitting as per manufacture's recommendations and mounted on common base frame with following Specifications :- (a) Fly wheel with housing (i) Common base frame of sturdy design suitable for anti vibration mounting and permanent concrete foundation for mounting engine and alternator as per manufacturer's instructions . (b)Cooling system (i) Radiator with fan belts &guard, rubber hoses and thermostat. (ii) Cooling water pump centrifugal type . (c)GOVERNER : Electronic Governer. (d) ELECTRIC STARTING SYSTEM : Electric Self starter , 12/24 volts DC with suitable rating battery as per manufacture's recommendations . (e) GENERATOR MONITORING PANEL : Comprising of following :- (i) Microprocessor based genset controller for metering, monitoring, governing and protection. (ii) Engine protection for low lub oil pressure, high coolant temperature (alarm & shutdown) (iii) Alternator protection parameters like under voltage, over current, under frequency, over frequency (alarm & shut down)

(f) ACCESSORIES: AVM Pads built or separately mounted to manufacturer base frames. (g) COUPLING ARRANGEMENTS: Fixed coupling, flywheel to suit fixed coupling and fly wheel housing. (h) EXHAUST SYSTEM : Silencer complete with exhaust pipe of suitable size upto and out side the building all covered with asbetos rope of suitable size all as directed. (j) FUEL TANK: Daily service fuel tank of capacity suitable for 8 hours continuous operation made out of 3 mm thick (heat retardant) sheet with indicating gauge, built inside the acoustic enclosures or as per manufacturer's design. (C) . ACOUSTIC ENCLOSURE : All as per CPCB IV+norms and OEM of DG Set's design. Make of acoustic enclosure

(D) AMF Panel :Design, supply, install, test & commissioning of factory made AMF Panel board suitable for carrying current up to 110% of full load of 320 KVA DG set having IP 54 protection, Out door, free standing, floor mounted, dust and vermin proof, cubical type, made out of CRCA sheet 3.15 mm thick and shall be painted with epoxy powder paint by means of electro static gun after rigorous pretreatment comprising of cold phosphating process on all internal and external surfaces after due preparation of surfaces, totally enclosed with front and rear opening, hinged doors, locking arrangements. [ Panel - CPRI Approved or OEM of manufacturere of DG set) Control panel shall be provided with suitable internal wiring with copper cable of suitable size, main contactors with 415 Volt coil, switch gears (4 pole MCCB in incoming main supply & DG set supply and out going with Ics = 100% Icu) , copper bus bars with colour coded heat shrinkable PVC sleeves with suitable inter connecting copper wire DG supply and main supply / copper strips, control wires, relays, timers, bakelite control fuses, measuring devices such as Voltmeter, Ammeters both for AC & DC, mulitifunction meter for displaying various parameters of DG sets all as required & current transformer of suitable ratio, Selector switches, HRC fuses, earth bus and bolts etc. The panel shall be with standard functional system with necessary accessories for automatic start of DG set on main supply failure and stop when mains restore after necessary cooling. The control panel shall be provided with standard over load, earth fault relay, indicating lamps and manual control switches / push button switches for DG Set ON / OFF, DG Contactor ON / OFF, Mains Contactor ON / OFF, RESET, ACK, TEST, TRIP with indicating lamps, including SMPS battery charging system of suitable size and capacity to charge batteries trickle / boost and unbalanced voltage tripping system all as specified including taking out of old panel complete all as specified and as directed by the Engineer - in - Charge. Note : (i)The Out door AMF panel shall be with by pass arragements with on load chageover switches of same rating as per MCCB for both mains and DG set supply. (ii) The contractor to submit the drawing of panel for approval of accepting authority.

Supply, laying,jointing , testing and commissioning cable XLPE insulated armoured heavy duty electric cable with stranded aluminium conductor 1100 volts grade including necessary jointing material such as lugs,glands ,cross section area of 400 sqmm x 3.5 core complete all as directed by engineer-in-charge.

Supply and fix automatic transfer switch (ATS) with automatic /Manual control & inbuilt time delay etc wall mounted in sheet metal enclosure of capacity 500 Amp 4 pole 415V . The ATS shall have arrangments of cable end boxes made out of 2mm thick CRCA sheet duly powder coated (The height of cable end box shall be 45cm) including connection of the cable including cable glands & lugs etc complete all as specified and directed. Make:- Havells cat part no IHYFCDE500 or equivalent in legarnd/indoasian/L&T/Siemens/HPL