outsourcing of services for maintenance and operation of water supply installations at afs hakimpet under ge ( af ) hakimpet , providing of services for maintenance and operation of central water supply installation at tech area comprising of various types of pump sets , chloronome plants , underground sumps , overhead tanks , valves , electrical panels etc complete with one operator per shift of 08 hours ( 03 shifts per day ) including sundays and holidays including routine checks / maintenance of plants / machinery for proper and smooth functioning of entire installation and maintaining the log sheets and records as specified and directed by engineer-in-charge . details of plants / equipment to be operated and maintained under this item are as follows:- ( i ) pump set 30 hp - 05 nos ( ii ) chlorine dosing system - 02 nos ( iii ) ug sump 2 . 0 lg - 01 no . ( iv ) ug sump 1 . 2 lg - 01 no . ( v ) ug sump 1 . 0 lg - 01 no . ( vi ) ug sump 10 , 000 glns - 01 no ( vii ) oht 50 , 000 glns - 03 nos ( viii ) oht 36 , 000 glns - 01 no . ( ix ) oht 20 , 000 glns - 01 no . , all as per item no . 01 here-in-before but water supply installation at officers colony with one operator per shift of 08 hours ( 03 shifts per day ) complete all as specified and directed by engineer-in-charge . details of plants / equipment to be operated and maintained under this item are as follows:- ( i ) pump set 20 hp - 02 nos ( ii ) pump set 7 . 5 hp - 02 nos ( iii ) chlorine dosing system - 02 nos ( iv ) ug sump 30 , 000 glns - 02 nos ( v ) oht 50 , 000 glns - 01 no ( vi ) oht 15 , 000 glns - 01 no ( vii ) oht 10 , 000 glns - 01 no . , notes for item no . 1 to 2: a ) weekely off shall be given to each operator and a reliever should be provided during weekely off and the quoted rate shall be inclusive of the same . b ) tools , safety equipement , overall combination / uniform , safety shoes and daily consumables such as grease , gland rope , cotton waste , log books & records etc shall be provided to the workmen by contractor and the unit rate quoted shall be inclusive of the same .