REPLACEMENT OF DG SET OF 125 KVA DG SET WITH AMF PANEL AGAINST BER DG SET OF SAME CAPACITY AT PUMP HOUSE NO. 1 AT CHAKABAMA MIL STN

Amount

Supplying, installing, testing & commissioning of factory assembled Diesel Engine driven generating set coupled with alternator AC to Give continuous output of 125 KVA/100KW at a power factor of 0.8 lagging, 415 volts, AC, 3 phase, 4 wire, 50 HZ, 1500 RPM, directly coupled with diesel engine, Liquid cooled, mounted on common base frame complete with in built fuel tank (service tank) of adequate capacity with fuel line, built in electronic governor & accessories, PCC foundation work as per manufacturer's instructions, vibration damper pads, micro processed based relay panel for automatic starting on mains failure, control panel showing all parameters of engine & alternator, sound proof canopy (sound level not exceeding level specified by Central Pollution Control Board-II) & other accessories etc. and confirming to the under-mentioned technical specifications confirming to BS:5514 & IS 10002 complete in all respect with following accessories, parts complete all as specified and as directed.

(A) The diesel engine comprising of following:- (a) DIESEL ENGINE : 6 cylinders , turbo charged Liquid cooled at 1500 RPM under NTP conditions IS 4722, BS 5000, IEC 3411, ISO 8528, BS 5514, ISO 3046, conforming to with an overload capacity of 10% for one hour in 12 hrs of continuous operation with the following accessories (i) Radiator with blower fan or heat exchanger with guard . (ii) Pipe coupling for engine cooling system piping (iii) Corrosion inhibitor coolant (iv) Paper element filters-(a) Fuel (b) Lube oil (c) By Pass (v) Fly wheel housing and fly wheel to suit (vi) Engine bearing mechanism in fly wheel housing (vii) shut off coil with safety for LLOP /HWT./ Over speed. (viii) Dry type air cleaners and vacuum indicators . (ix) Residential silencers. (x) Stainless steel exhaust flexible bellows. (xi) Motor driven priming pump. (xii) Electric starter. (xiii) Battery charging alternator. (xiv) Exhaust piping made out of STIC C class MS Pipe inclusive of all accessories and hardware , necessary support as per manufacturer’s recommendations to sustain back pressure with rain cap

(xv) Mineral wool insulation 2 inch thick covered with aluminium sheets of 30 gauges for the entire length of exhaust pipe. (xvi) First fill of oil coolant and diesel during commission and 12 hours testing. (xvii) Interconnecting copper cabling of adequate capacity between batteries and controller. (xviii) Fuel pipe. Fuel Tank_ 12hours full load diesel storage capacity inbuilt fuel tank with mounting brackets factory fabricated made of MS sheet with level indicator fuel inlet , fuel outlet , air vent, drain plug,inlet arrangement filling from exterior of canopy etc. (a) Battery :- 180 AH,12 Volts maintenance free battery of Qty-1 Nos with leads and terminal. (xix) PCC Foundation :- Civil work and PCC foundation for installation DG Set as per manufacturers instruction.

(b) ALTERNATOR : 125 KVA/100 KW at 0.8 PF lagging, 415 volts, 3 Phase, 4 wire, 50 Hz at 1500 RPM self excited and self regulated with AVR brushless excitation band of voltage ± 1% of rated voltage from no load to full load insulation class H, IP-23 self ventilated and conforming to IS4722, BS5000, IEC 34/1, ISO 8528, BS5514, ISO3046, suitable for above mentioned diesel engine complete all as specified and directed .

(c) ACOUSTIC ENCLOSURE : Factory made acoustic enclosure (canopy) having size not less than 1740mm lengthX1050mm widthX1474 mm height for the above 125 KVA DG set to reduce noise level to 75 db (A), measured at 1.00, meter distance @75% load auditable frequencies as per guidelines of CPCB & comprising of following-: (i) Sound proof insulation 100mm thick Rock wool (Density 65 Kg/cum) (ii) Outer body: Not less than 1.6 mm thick CRCA. (iii) Door 1.6 mm thick CRCA (iv) Inner surface: 1.0 mm thick powder coated & perforated CRCA / GI sheet (v) Common base frame: ISMC 250

M & L for earthing complete with galvanised steel plate earth electrode 600 mm X 600 mm X 6 mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less than 1.5 metres below normal ground level, connected to earthing lead of 32 mm X 6 mm galvanised mild steel strip by means of bolts, nuts, check nuts and washers of galvanised iron from earth plate to test point upto 7.5 metre including all as shown in electrical plate No. 3 of SSR Part I (2009) including necessary concrete chamber in cement concrete M15 (Nominal Mix) using 20 mm nominal size coarse aggregate, precast RCC cover slab in cement concrete M15 (Nominal mix) using 20 mm nominal size coarse aggregate of size 40 cm X 40 cm X 5 cm reinforced with 8 mm dia TMT bars @ 150 mm c/c with one handle for lifting made out of 8 mm dia bar, GI funnel, GI wire mesh filter, 20 mm dia GI pipe medium grade for watering, 40 mm dia GI pipe medium grade for protection of earthing lead, charcoal or coke and salt in alternate layers including necessary excavation and earth work in any type of soil/ strata and testing complete all as specified and as directed. Notes:- (i) Main earthing strip from earth plate electrode to rest point upto length of 7.5 meters length shall deemed to be included in the unit rate quoted against this item. (ii) On testing after completion if the desired resistenance is not obtained the contractor shall redo the earthing without any extra cost to the department.

ANIL RAI AND COMPANY