bids are invited for ht supply - disconnecting of ht supply and taking out defective trolley of vcb 11 kv 800 amps and serviceing of trolley of vcb by cleaning isolating contacts moving parts removing dust particles / moisture from bus bar chamber spout gear mechanisum and moving parts repair to motor charge, spring mechanism tightening of nut & bolts of entire trolley components all as directed inserting in trolley and replacing with following spare parts testing commissioning and puting on the supplyon load completeload all as speciifed and as directed. ( sm / mes no-790 / 3292 / hv / 18 and 790 / 3295 / hv / 18 ) , idmt - supply and fixingin replacement of unserviceable numerical idmtover current earth fault relay 75-250 v dc as per existing make allas specified and directed. , tripping coil - supply and fixing in replacement unserviceabletripping coil assembly 24 volts all as specified and as directed. , charging motor - supply and fixing in replacement unserviceable spring charging motor as per existing make all as specified and as directed. , vacum interrupter - supply and fixingin replacement of unserviceable vaccum interrupter suitable for breaking capacity 800 amp vcbas per existing make allas specified and directed. , ht cable - reconnecting the ht cable 95 sqmm to the ht panelvcb after repairing and testing commisioningcomplete for smooth funtioning all as specified and as directed. , change over switch - supply and fix in replacementunserviceable on load changover switch 4 pole in sheet steel enclosure with rated current630 amp voltage 415 v 50 hz suitable to fit onwall with padlocking facilitywith the connecting accessories all as specified and directed.schedule of credit of rs 1500 will be deducted from total work done as per details uploaded with item specification. total quantity : 1