Construction and Commissioning of 20 no Hand Pump for Drilling of 100 125mm Dia nominal bore holes for hand pump and installation of India Mark 2 Extra deep well hand pumps complete including construction of Platform in Block Dhamotar

PART- A

Construction of Tube Well upto 100 mtr depth and above in all types of rock's by D.T.H. system and overburden to accommodate casing pipe of following size in all type of soil and overburden 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 of water. The H.P. should have a throughout bore as per nominal dia of casing pipe

100 mm dia of Nominal bore

125 mm dia of Nominal bore

Supply of ERW M.S. black casing pipe ISI marked {IS:1239(Part-1:2004)} medium of following sizes at site of work.

125 mm dia NB( Thickness of pipe 4.8 mm & mass of tube 16.40 Kg/m)

PART- B

Supply & installation of GI pipe 32 mm medium class “B” with pipe sockets (heavy duty).

Supply and installation of ISI marked India Mark II Hand pump set complete with cylinder & 15 connecting rods.

Construction of 185 cm. dia platform as per approved design & drawing of UNICEF.

Construction of soakage Trench in all types of soil with 300 mm thick dry stone masonry, 80 mm thick stone slab covering, jointing of slab in CM 1:3 Ralthal, Kharanja, 40 mm thick M-15grade C.C. flooring earthwork etc. complete as per approved drawing including disposal of earth within a lead of 50 Mtr.:

Top width 240 Cm. bottom width 150Cm. & depth 300 Cm