bids are invited for dg sets at katihar providing maintenance services of electrical mechanical installations , 25 kva soundproof kirloskar green dg set 01 no mssr , 25 kva soundproof kirloskar green dg set 01 no dvor , 160kva dg set engine cummins model no 6bta59 g5 alternator , 250 kva dg set engine cummins model no 6cta8 3 g4 alternator crompton , 25 kva soundproof kirloskar green dg set 03 nos one at mssr two nos at dvor , b check kit consist of following materials as per under given below , c check kit consist of following materials as per under given below , replacment of 12volts 150 ah lead maintenance free battery , providing maintenance services of fire alarm systems installed , supplying topping of new insulating transformer oil , servicing of acbs of various make having capacity of 400a to 800a , servicing of kirloskar electric make 11 kv vcbs i c drawing out of breaker , calibration and testing of idmt relays through secondary injection machine , calibration and testing of buchlotz relay for 11 433 kv indoor oil cooled transformers , ceiling fans upto 1400mm sweep , exhaust fans upto 300 mm sweep , replacement of bearings 2nos bushes for above fans , rewinding of burnt motor of submersible pump motor set capacity operation maintenance of installations various capacity of total quantity : 681