bids are invited for and water pump house and allied works providing operation and maintenance services of electrical and mechanical installations , day to day operation and maintenance of water pump house , providing of computer operator , filtration and dehydration of insulation oil of existing ht installations , servicing testing checking and calibration of relay , calibration and testing of 8 nos air circuit breaker , complete cleaning of jack well , complete overhauling and repairing of water pump , complete re- winding of burnt out stator coils of induction motor , complete repairing of 11kv gang operated switch , replacement of damage gate valve , replacement of damage foot valve , replacement of damage non return valve , dsr item works as scheduled in dsr job contract for e and m installations at 11 kv substation total quantity : 254095