Details: labour for boring tube will of required dia by water jet system through any type of soil strata including hire & labour charges for boring pipe , scaffolding , tools & plants as necessary and taking out them and lowering pipes ,strainers , blind pipe etc. & filling and fixing the same complete including bucket washing and other incidental works in this connection . the tube well should have an maximum 50 mm. gap in between the out side of the tube well and the bore. a) for the depth upto 150 m. for 50 mm. dia tube-well with top of 100 mm. dia i) 100 mm.dia boring ii) 50 mm. dia boring supply of pvc pipes and fittings schedule 80 ( medium duty ) conforming to astmd-1785 and threaded to match with gi pipes as per is : 1239 ( part-1 ) a) 100 mm dia b) 50 mm dia c) 40 mm dia supplying high density polythene stainer of approved make with adapter conforming to i.s. specification. 50 mm dia. a ) 50 mm dia s/f/f steel cutter piece up to 450 mm long with socket. 50 mm dia. supplying
Sector: Zilla Parishad