Details: construction of tube well up to 100 meter depth and above in all types of rocks by dth system and over burden to accommodate casing pipe of following sizes in all type of soil and over burden including lowering of casing pipes, but excluding cost of casing pipes as per is: 2800 (part- i & ii) 1979 specification. 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 : 200 mm dia nominal bore =total 200mtr development of tube well as per is specification using suitable compressor to give and sand free water for required yield of the gravel packed tube well. supply of erw m.s.black casing pipe isi marked (is : 4270/1992) of grade fe 410 of following size at site of work. 200 mm nominal bore. s & f tube well cover of tube well cover of m.s.sheet (6 mm thick) with nuts and bolts complete for casing size 200 mm dia. s & f m.s clamp set of 50x6mm flat from iron with nuts and bolts etc. for holding the rise
Sector: Forest and Environment