providing services for maintenance and operation of water supply instalations main pump house at 58 su chimney hills , providing services for manning and operationof the following water supply installation for 24 hours daily by employing 01 ( one ) no fgm per shift of 08 hours for 03 shifts including sundays and holidays all as specified and as directed by engineer- in-charge a ) main pump house comprising :- centrifugal pump 25 hp capacity - 02 nos . , bore well - 4 nos , bleaching dosing system - 01 no . , dg set 62 . 5 kva -01 no . & lt panels , ug sump 112000 ltr - 01 no . , etc note : ( a ) total number of persons to be employed per day : 03 ( three ) nos fgm skilled . fgm shall not leave the installation till the releiver attends duty . the contractor shall arrange suitable releiver during absence , weekly off , and leave period of the elecrician . timings of shifts shall be decided by engineer-in-charge . ( b ) following shall be the responsibility of contractor and the rates quoted shall deemed to inclusive of these aspects :- ( i ) the fgm on duty will carry out the daily / routine maintenance of installations such as cleaning of pumps , bleaching dosing system , dg sets , panels and their connected swich gears using blowers and checking the thimbles on regular basis and entering in the maintenance register and put up to je . the contractor shall provide all tools to tradesmen for routine maintenance . ( ii ) the fgm shall rectify minor defects for smooth functioning and to maintain uninterupted water supply sluice valves & gate valves i . e . gland packing rope , nut & bolts , washers , etc . and no extra cost will paid to the contractor on account . during break down and also intimate to je / engr-in-charge . ( iii ) cleaning of installations including clearance of vegetation , wild growth and trimming of grass etc around the installations and maintaining the garden , watering / planting flower / fruit bearing plants and watering to earth pits etc . ,