PROVISION OF ALTERNATE POWER SUPPLY OF 125 KVA FIXED DIESEL GENERATOR FOR NEW AUGUMENTED BUILDING OF NCS (GOA) UNDER GE GOMANTAK

Amount

Supplying, installing, testing and commissioning, factory assembled silent Diesel Engine driven generator set, fully wired alternator AC to give an out put of 125 KVA continuously rating at a power factor 0.8 lagging, 3 phase 4 wire, 415 volts 50 Hz ± 1% supply, 1500RPM, directly coupled with diesel engine liquid cooled mounted on common base frame complete with floor mounting fuel tank (service tank) of adequate capacity with fuel line & accessories, PCC/RCC foundation work as per manufacturer's instructions, vibration damper pads, control panel & other accessories suitable for outdoor etc and comprising of following.

Diesel Engine: Liquid cooled turbo charged with after cooler to deliver suitable BHP at 1500RPM under NTP conditions of BS 5514 and conforming to IS 10002, DIN 6271 & ISO 3046 with an overload capacity of 10% for one hour in any 12 hours continuous operation with the following accessories:. Diesel engine of rated speed at full load electric start developing with system with radiator and including electronic governor control of class A1, engine control panel, lub oil pump, water pump, fuel tank, exhaust pipe with silencer and suitable for electric start with batteries of adequate capacity and suitable for alternator of specified capacity complete with fly wheel direct/flexible coupling and coupling guard complete.

(a) Radiator with blower fan or heat exchanger with guard. (b) Pipe coupling for engine cooling system piping. (c ) Corrosion inhibitor coolant (d) Paper element filters (i) Fuel filter (ii) Lube oil filter (iii) By pass (e) Fly wheel housing and fly wheel to suit alternator. (f) Engine bearing mechanism in fly wheel housing. (g) Shut off coil with safeties for LLOP/HWT/over speed. (h) Dry type air cleaners and vacuum indicators. (j) Residential silencers. (k) Stainless steel exhaust flexible bellows. (l) Motor driven priming pump. (m) Battery charging alternator.

(n) Exhaust piping made out of STIC C class, MS pipe inclusive of all accessories and hardware, necessary supports scaffolding as per manufacturer's recommendations to sustain back pressure with rain cap. (o) Mineral wool insulation 2 inch thick suitable for 400 degree Celsius temperature cladded with aluminium sheet o 30 gauge for the entire length of exhaust pipe. (p) First fill of oil, coolant and diesel during commissioning and 12 hours testing. (q) Interconnecting copper cabling of adequate capacity batteries control. (r ) Fuel pipe class STIC 1" /1.5" /2" dia - 01 lot (s) Self starter 12 volts DC. (t) Electric operated electronic governor. (u) Fuel injection pump.

(v) Electronic instrument panel, complete with all accessories as per manufacturer's specifications displaying the following:- (i) 12 V Battery (ii) Water temperature. (iii) lubricating oil pressure. (iv) Engine speed -1500Rpm (v) Engine hours (vi) Frequency. (vii) Voltage. (w) Safety control (Trip and indication). (i) High water temperature (ii) Low lube oil temperature (iii) Overspeed stop

(x) Base frame: Sturdy, fabricated welded construction, channel iron base frame (duly painted) for mounting engine and alternator as per manufacturer's design alonwith AVM pads. (y) Battery:-Battery required as per OEM/manufacture, maintenance free battery conforming to IS:14257 with leads & terminals (Make- Excide/Amron). (z) Battery charger as per OEM/Manufacturer recommended (aa) Fuel tank: 10 hrs. full load diesel storage capacity fuel tank with mounting brackets factory made of 5mm thick HR/MS sheet with level indicator fuel inlet, fuel outlet, air vent, drain plug, in let arrangement for diesel filling fro exterior canopy (without opening its panel) etc complete all as specified and directed.

(c) Alternator: Suitable rated 125 KVA, 0.8 pf , 415 volts, 3 phase, 4 wire, 50 Hz at 1500 RPM, self excited and self regulated with AVR brushless, screen protected, drip proof , insulation class-H, IP -23, voltage regulation grade - VG 3 self ventilated and conforming to BS: 5000 / IS: 4722 suitable for engine as mentioned here-in before, conformig to IS: 13364(part-1)

(d) Acoustic Enclosure:- M & L for acoustic enclosure for the above 125 KVA DG set to reduce noise level to 75 dB measured at 1.0 meter distance for audible frequencies as per guide of Central Pollution Control Board and size as per OEM/ amnufacturer and manufacturer's specification and comprising of following from authorised GOEMs of Gen Set manufacturer's specified :-

(i) Sound insulation : 100mm thick Rock wool (Density 64 Kg/Cum). (ii) Outer body : 1.6mm thick CRCA (iii) Door : 1.6mm thick CRCA (iv) Base frame : ISMC 300 (v) Inside illumination : 1 No.- 1 x 18 watt LED fitting of

(e) AMF Control panel:- Factory fabricated cubicle type, free standing, floor mounted, indoor type, IP-52, AMF control panel, provided with removable rear panels & hinged front panel for easy accessibility, fabricated out of not less than 2.0mm thick CRCA sheet including two coats of powder coated paint over a coat of red oxide primer etc and comprising of following:

(f) AMF control circuit with 4 pole MCCB 200 Amps - 2 nos, with ultimate breaking capacity Icu-36 KA at 415 volts and microprocessor release conforming to IEC 60947 Part-I with breaking capacity Ics=Icu at 415 volts , thermal overload setting 70% to 100%, short circuit setting 5 to 10 times-02 Nos. for main supply & DG set supply with HRC back up fuse complete with all DC control relays/ Line voltage monitor (LVM) as per OEM specifications incorporating motorised stored energy operating Engine start, stop, three attempt starting facility and failure to start etc.

(g)Digital load manager : Three phase 4 wire indicating V,I,PF, KVA, KW, F of Enercon make with serial communication port with class 1.0 accuracy meter or equivalent make suitable rating of CT per phase- one No. (iii) Indication lamp R, Y, B with 3 Nos. of 2A HRC fuses-10 sets. (iv) Bottom gland plate for incoming and outgoing cables. (v) Circuit diagram plate.

(h) Civil works:- All civil works related to foundation, installation of panel and equipment & depth of foundation shall be minimum 300mm with ant vibration pads, or as recommended by manufacturers. Cable from DG set to AMF panel, AMF panel to main panel will be measured under relevant schedule. Note:-1) DG set design should be as per CPCB -IV Norms 2)The fuel for final testing of 12 hours shall be supplied by the contractor and cost deemed to be included in the above offer. All other necessary equipments like resistance load strip heater of suitable capacity/rating and any other items required for final testing shall be provided by the contractor without any extra cost to department.

Excavation in trenches for laying of cables ,poles and stay in any type of soil not exceeding 1.5 mtr wide and not exceeding 1.50 mtr deep and getting out in soft disintegrated rock complete all as specified and directed.

Returning, filling in, including, spreading, leveling, watering and well ramming in layers not exceeding 25 cm deep as in soft disintegrated rock complete all as specified and as directed

Removal of excavated material n exc 50 m and depositing where directed at a level n exc 1.5 m above the starting point complete all as specified and as directed

Supply and fix cable route indicator made of round CI disc embossed LT Cable, of size 16cm dia 6mm thick duly revited with angle of size 50x50x4mm and 60cm long including PCC 1:2:4 B2 using 20mm aggregate 15cm x 15cm x 15cm for grouting the same complete all as specified.

Supply and fix for DWC high density polyethylene pipes of size 70 sqmm having outer side wall corrugated and inner surface plain confirming to IS 14930 (Part-I & II) for protection of underground cable laid in trenches/floor/fixed on pole/wall including all fittings(coupler) and clamps as required complete all as specified and directed

Supply and fixing tubes, 100mm bore, light grade, galvanised, grouted in ground using PCC 1:3:6 for fixing of post top lentren, complete all as specified and as directed.(Note:- rate quoted shall be deemed to include PCC 1:3:6 type C-1)

S& F XLPE insulated armoured and PVC sheathed heavy duty electric cable with aluminium conductor 1100 volt grade laid in trenches passing through pipes /ducts including testing complete of following cross sectional area of size 3.5 X 240 sqmm all as specified and dirtected by Engr-in-charge Note- Rate is inclusive of cable gland & cable lugs

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