tender for drinking water hand pump and tube well installation, 1 particulars 2 construction of tube well upto 100 mtr depth and above in all types of rocks by d.t.h. system as per is:2800 part i & ii1979 as amended up to date to accomodate casing pipe of following sizes but excluding cost of casing pipe. the work would be completed after obtaining sand free of water. the h.p. should have a throughout bore as per nominal dia of casing pipe 3 125 mm dia of nominal bore 4 100 mm dia of nominal bore 5 providing m.s. black casing pipes isi marked is:1239 (part-1 : 2004) or amended up to date of following sizes 6 125mm dia nb (thickness of pipe 4.8mm & mass of tube 16.4kg/m) 7 supplying & installation of 32mm.dia gi pipe medium class b with sockets (heavy duty) 8 supply and installation of isi marked india mark ii hand pump set complete with cylinder & 15 connecting rods. 9 const.of 185cm.dia plateform as per approved design & drawing of unicef 10 construction of soak pit in all type of soil 11 construction of pashu kheli ofsize 5 x2x1 (in ft.)