Details: tubewell construction construction of tube well up to 100 mtr. depth in all type of rocks by dth system & over burden to accommodate casing pipe of following sizes in all types of soils & over burden including lowering of casing pipes, (if required) excluding cost of casing pipes, as per is:2800 part 1: 1991 and is:2800 part ii: 1979 (both amended upto date) and technical specifications. the work would be completed after obtaining sand free water. the tube well should have a throughout bore as per nominal dia of casing pipe. a) 200 mm dia nominal bore (item no 2.4.2) add 15% extra on above item for drilling depth beyond 100 mtr and up to 200mtr from gound level rate shall be applicable for only extra depth beyond 100 mtr up to 200mtr. supply of erw m.s. black casing pipe isi marked (is: 4270/2001) or amended up to date of following sizes a) 200 mm dia, thickness 5.4 mm & mass of tube 28.46kg/m) labour charges for making slots on blank pipes made of erw ms black pipe of following s
Sector: Water supply and Sewerage