annual maintenance contract for t&a – oph water package for both stg.-i & ii units at sgtpp. :-optional job stage-i: complete overhauling of cw pump , complete overhauling of acw pump , complete overhauling of intake wtr pump , complete overhauling of travelling water screan . , complete overhauling of travelling water screan wash pump . , complete overhauling of trashrack and associated system of intake pump house . , complete overhauling of raw water pump , complete overhauling of service water pump . , complete overhauling of ct make up pump , complete overhauling of drinking water pump . , complete overhauling of filter water pump . , alignment of cw pump along with blue matching ( if required ) . , alignment of acw pump along with blue matching ( if required ) . , complete overhauling of cw pump trash rack set . , complete overhauling of clarifloculator ( mechanical related jobs ) . , complete overhauling of jockey pump of fire system . , complete overhauling of hydrant pump of fire system . , complete overhauling of spray pump of fire system . , complete overhauling of reciprocating compressor and pneumatic tank of fire system . , valve replacement jobs , size: upto 6 . , valve replacement jobs , size upto 12 . , valve replacement jobs , size upto 24 . , valve servicing jobs . size upto 6 . , valve servicing jobs , size upto 12 . , valve servicing jobs , size upto 24 . , acid proof painting . ( one coat epilux 610 epoxy primer and then two coat epilux 5 col tar epoxy paint , berger make paints . , synthetic enamel painting ( one coat red oxide primer and then two torpedo synthetic enamel paint , berger paints make ) , underwater / wet zone painting ( one coat red oxide primer and then two torpedo synthetic enamel paint , berger paints make ) . , tit bit maintenance of fire tender , cooling tower ( u-1 , 2 ) area , chlorination system ( welding & fittings related ) . , hdpe pipe joining / leakage repairing , cpu mb inlet / outlet valve servicing , cpu mb resine inlet / outlet valve servicing . , optional jobs for stg-ii: complete overhauling of cw pump , complete overhauling of acw pump , cw motor removing , lifting , placement , alignment & bluematching . , acw motor removing , lifting , placement , alignment & bluematching . , complete overhauling of intake water pump . , complete overhauling of raw water pump , complete overhauling of ctmu pump , complete overhauling of dmf pump , complete overhauling of jockey pump of fire system . , complete overhauling of hydrant pump of fire system . , complete overhauling of spray pump of fire system . , valve replacement jobs size: upto 6 . , valve replacement jobs size: upto 12 . , valve replacement jobs size: upto 24 . , valve servicing jobs size: upto 6 , valve servicing jobs size: upto 12 . , valve servicing jobs size: upto 24 . , tit-bit maintenance jobs at stg-ii chlorination system ( welding and fitting related jobs ) . , complete overhauling of travelling water screen . , complete overhauling of travelling water screen wash pump . , complete overhauling of trash rack and associated systems of intake pump house . , complete overhauling of service water pump . , internal checking & repairing of dmf , internal checking & repairing of mb , acw line self cleaning strainer cleaning , complete overhauling of cw trash rack , complete overhauling of clariflocularoe ( mechanical related jobs ) , complete overhauling of hp pump , complete overhauling of backwash pit transfer pump . , complete overhauling of n-pit transfer pump . , complete overhauling of sludge transfer pump . , complete overhauling of sludge thickner transfer pump . , complete overhauling of sludge thickner