annual repairing of hand pump at new colony and old colony at different places under s . p . mines area , item description/ heading , providing and fixing chlorinated polyvinyl chloride ( cpvc ) pipes , having thermal stability for hot & cold water supply including all cpvc plain & brass threaded fittings . this included jointing of pipes & fittings with one step cpvc solvent cement , trenching , refilling & testing of joints complete as per direction of engineer in charge . external work05-07-2021 05-07-2021: 32 mm nominal outer dia . pipes . , cyllinder ( 1x10 ) , cranked rod ( 2x10 ) , washer ( 6pairsx10 ) , chain with coupling , rubber with washer , sealig ring , upper valve assembling , lower valve assembling , handle assembling , ball bearing , 65mm plunjer ( brass ) , handle axle , labour , cmpf & cmps , total impact of gst for the purpose of ctc