Details: boring with casing pipe with suitable dia varying to 300mm. to 450mm dia water jet system or perfusion system including welding or fitting and fixing threading jointing the tubewell as per consisting of ms pipe strainer, socket, bottom plug top cap etc. and lowering the whole assembly within the bore as per direction of eic (ms pipe, strainer, coupling will be supplied departmentally free of cost surplus materials if any to be returned to the store in good condition for which no extra payment will be made casing pipe will be supplied by the contractor. i) 200mm dia. development (min. 8 hr. continuous) of tube well by using suitable air compressor (min. capacity: 600 cfm & operating pressure 14 bar) followed by yield testing with bht pump (head :45 to 50mtr.,discharge :1100 to 1000 lpm and 25 bhp engine) all complete including to & fro transportation cost and cost of fuels, lubricants & labour etc. water sample collection and chemical test including arsenic test. supply and delivery of
Sector: Water supply and Sewerage