bids are invited for custom bid for services - regular repair & maintenance of water supply & sanitary system including periodical washing & disinfecting the roof top water tanks and large overhead storage tanks at mtps colony, dvc, mtps cleaning, sanitation and disinfection service - outcome based 1 18.10.1 providing and fixing g.i. pipes complete with g.i. fittings and clamps, including cutting and making good the walls etc. internal work – exposed on wall. :15mm. dia nominal bore. mtr 2 18.10.2 providing and fixing g.i. pipes complete with g.i. fittings and clamps, including cutting and making good the walls etc. internal work – exposed on wall. :20mm. dia nominal bore. mtr 3 18.10.3 providing and fixing g.i. pipes complete with g.i. fittings and clamps, including cutting and making good the walls etc. internal work – exposed on wall. :25mm. dia nominal bore. mtr 4 18.10.5 providing and fixing g.i. pipes complete with g.i. fittings and clamps, including cutting and making good the walls etc. internal work – exposed on wall. : 40mm. dia nominal bore. mtr 5 18.10.6 providing and fixing g.i. pipes complete with g.i. fittings and clamps, including cutting and making good the walls etc. internal work – exposed on wall. : 50mm. dia nominal bore. mtr 6 18.12.1 providing & fixing g.i. pipes complete with g.i. fittings including trenching & refilling etc. external work : 15mm. dia nominal bore. mtr 7 18.12.2 providing & fixing g.i. pipes complete with g.i. fittings including trenching & refilling etc. external work : 20mm. dia nominal bore. mtr 8 18.12.3 providing & fixing g.i. pipes complete with g.i. fittings including trenching & refilling etc. external work : 25mm. dia nominal bore. mtr 9 18.12.5 providing & fixing g.i. pipes complete with g.i. fittings including trenching & refilling etc. external work : 40mm. dia nominal bore. mtr 10 18.12.6 providing & fixing g.i. pipes complete with g.i. fittings including trenching & refilling etc. external work : 50mm. dia nominal bore. mtr 11 18.n.12.1 providing, fixing g.i. pipes complete with g.i. fittings excluding trenching and refilling etc. (external work) ; 15 mm dia nominalbore mtr. 12 18.n.12.2 providing, fixing g.i. pipes complete with g.i. fittings excluding trenching and refilling etc. (external work) ; 20 mm dia nominal bore mtr. 13 18.n.12.3 providing, fixing g.i. pipes complete with g.i. fittings excluding trenching and refilling etc. (external work) ; 25 mm dia nominal bore mtr. 14 18.n.12.5 providing, fixing g.i. pipes complete with g.i. fittings excluding trenching and refilling etc. (external work) ; 40 mm dia nominal bore mtr. 15 18.n.12.6 providing, fixing g.i. pipes complete with g.i. fittings excluding trenching and refilling etc. (external work) ; 50 mm dia nominal bore mtr. 16 18.7.1 providing and fixing chlorinated polyvinyl chloride (cpvc) pipes, havingthermal stability for hot & cold water supply, including all cpvc plain &brass threaded fittings, including fixing the pipe with clamps at 1.00 mspacing. this includes jointing of pipes & fittings with one step cpvc solvent cement and testing of joints complete as per direction of engineerin charge. internal work - exposed on wall : 15 mm nominal outer dia pipes metre 17 18.7.2 providing and fixing chlorinated polyvinyl chloride (cpvc) pipes, havingthermal stability for hot & cold water supply, including all cpvc plain &brass threaded fittings, including fixing the pipe with clamps at 1.00 mspacing. this includes jointing of pipes & fittings with one step cpvc solvent cement and testing of joints complete as per direction of engineerin charge. internal work - exposed on wall : 20 mm nominal outer dia pipes metre 18 18.7.3 providing and fixing chlorinated polyvinyl chloride (cpvc) pipes, havingthermal stability for hot & cold water supply, including all cpvc plain &brass threaded fittings, including fixing the pipe with clamps at 1.00 mspacing. this includes jointing of pipes & fittings with one step cpvc solvent cement and testing of joints complete as per direction of engineerin charge. internal work - exposed on wall : 25 mm nominal outer dia pipes metre 19 18.9.1 providing and fixing chlorinated polyvinyl chloride (cpvc) pipes,having thermal stability for hot & cold water supply including all cpvc plain & brass threaded fittings this includes jointing of pipes & fittings with one step cpvc solvent cement, trenching, refilling & testing of joints complete as per direction of engineer in charge.external work,15 mm nominal dia pipes metre 20 18.9.2 providing and fixing chlorinated polyvinyl chloride (cpvc) pipes,having thermal stability for hot & cold water supply including all cpvc plain & brass threaded fittings this includes jointing of pipes & fittings with one step cpvc solvent cement, trenching, refilling & testing of joints complete as per direction of engineer in charge.external work,20 mm nominal dia pipes metre 21 18.9.3 providing and fixing chlorinated polyvinyl chloride (cpvc) pipes,having thermal stability for hot & cold water supply including all cpvc plain & brass threaded fittings this includes jointing of pipes & fittings with one step cpvc solvent cement, trenching, refilling & testing of joints complete as per direction of engineer in charge.external work,25 mm nominal dia pipes metre 22 18.9.5 providing and fixing chlorinated polyvinyl chloride (cpvc) pipes,having thermal stability for hot & cold water supply including all cpvc plain & brass threaded fittings this includes jointing of pipes & fittings with one step cpvc solvent cement, trenching, refilling & testing of joints complete as per direction of engineer in charge.external work,40 mm nominal dia pipes metre 23 18.9.6 providing and fixing chlorinated polyvinyl chloride (cpvc) pipes,having thermal stability for hot & cold water supply including all cpvc plain & brass threaded fittings this includes jointing of pipes & fittings with one step cpvc solvent cement, trenching, refilling & testing of joints complete as per direction of engineer in charge.external work,50 mm nominal dia pip total quantity :