purchase of sitc of 62.5 kva silent dg set with necessary foundation , supply , delivery at site on foundation , commissioningof 62.5 -kva, 415v, 50hz, 3ø silent new dg set,comprising of engine, alternator, manual panel, base frame, fuel tank, battery, cpcb-ii approved engin & acoustic enclosure having following specifications :- engine should not derate at 50 deg ambient temperature.engine & alternator should be from same manufacturer make: cummins/jakson engine type :4 stroke diesel engine rpm :1500 rated output :84 bhp or higher fuel tank capacity :minimum capacity 150 liters diesel tank, with inlet & outlet arrangement with drain plug and air vents. fuelconsumption at 75% rated load with radiator or fan : 11.65 ltr./ hr. or less engine instrument panel : consisting of starting switch with key, lube oil indicator, water temperature indicator, rpm indicator and hour meter. starting system: 12v, dc power srtarting system complete with starter motor, charging alternator with rectifier and cutout as per manufacturer standard. starting system: 12v, dc power srtarting system complete with starter motor, charging alternator with rectifier and cutout as per manufacturer standard. battery:12 v x 1, lead acid, low maintenance or smf and conforming to relevant is specification with low/high battery voltage and weak battery warning rating: 415 v., 3ph. 50 hz., 62.5 kva, 50 kw, 1500 rpm