Panchayat Raj Engineering Department Tender

RWS S;Drilling of Rotary Bore hole (which may be carried out by pilot bore hole) to a finished dia of 350 mm hole (for insertion of 180 mm PVC pipe) by Rotary drilling rig in all formations suitable for Rotary drilling such as alluvium, loamy, clayey, sand burried channels, highly disturbed and bouldary zones, high sheared and fractured zones followed by jointed to massive soft, medium rock, all formations typical and suitable for rotary drilling etc. including insertion of casing pipe, couplings, cap, plug fixation, and including filling the peripheral gap with rebuilted pebbled gravel packing, bore development, conducting yield test, and all other required in fixation of pipes assembly etc., but excluding the cost of casing pipe, couplings, dummys clamps etc., as recommended by the departmental Geologist. The bore should be developed with compressor air until clear water free from sand and other materials continuously discharged. The size of gravel used for gravel packing should be as per ISI specification used for rotary tube well. The pebbled gravel packing should be carried out in such a way that the theoritical quantity sonsumed completely. The entire work tobe carried out as per I.S. 2800 Part - I & II of 1979 and including cost of all materials and all labour chargges and all taxes etc., including CP @ 13.615%

RWS S;Cost and supply of 180 mm dia 6 Kg/Cm2 PVC Casing pipe including CP @ 13.615%

RWS S;Cost and supply and fixing of 180mm dia PVC End Cap including CP @ 13.615%