WATER SUPPLY

Drilling of Bore hole (which may be carried out by pilot bore hole) to afinished dia of 200/225/300/350/450 mm hole (for insertion of 110/140/160/180/200mm PVC Pipe / 175/200mm PVC Blue casing pipe) by Rotary drilling rig in all formations suitable for Rotary drilling such as alluvium, Loamy, clayey, sandy, 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 rebullied pebbled gravel packing, bore development, conducting yield test, and all other required in the 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 consumed completely The entire work to be carried out as per I.S. 2800 Part I & II of 1979 and including cost of all materials and all labour charges and excluding all taxes etc.,

Cost and supply of 175 mm dia PVC blue casing pipe per RN3

Slotting charges for 175 mm dia PVC blue casing pipe per RM

Supply & Delivery of 250 mm dia P.V.C. Pipes 6 Kg/cm 2. Including coupling for 250mm dia P.V.C. 6kg/cm2 casing pipe

Labour charges for erection of IM-II Hand Pump Assembly with all its accessories and with the required number of 32mmdia CI-13 GI pipes including all taxes and as per the directions ofthe department officers but excluding taxes.

Supply, Delivery of ISI marked fully hot dipped galvanized deepwellinida Mark-H Hand Pump assembly complete unit with 10 Nos of connecting rods (bright 7 bar of 12mm dia and 100 mts length each confirming to IS 9301/1990 & IS 14101 to14104:1994 with their amendments / revisions but excluding taxes. -Indian Mark II Hand Pump Assembly Set

Cost, supply and delivery of 32mm dia GI B-Class pipes including conveyance charges etc

Construction of bore well platform of 1.85 m dia and 3.00 m length drain and foot rest of 1.00 x LOU m with CC (1:2:4) using20 mm H8G metal including cost and conveyance of all materials labour charges, centering, curing, seigniorage charges &excluding taxes etc., complete as per UNICEF