Rejuvenation and Improvement of water supply scheme Chimbalhar ward No. 7 in M.C. Palampur in Tehsil Palampur Distt Kangra H P

Transportation of suitable truck/tractor mounted where only road available DTH & ODEX/Percussion Calys/RC Drilling with portable rigs alongwith necessary accessories etc. to the site of work and erection of portable rig including leveling etc. complete in all respect as per the direction of Engineer-in-charge.

Development of site including levelling at site through all kinds of roads, approaches field etc. in all leads etc. in all leads and lifts complete in all respect as per the direction of Engineer-in-charge.

Drilling tube well of 175 mm/200 mm dia as per IS 2800-1979 using percussion/Calyx/RC/ODEX method required for drilling in collapsible strata conglomerate, boulders, pebbles, sand gravels, silt, clay etc. including cost of attachements, extra casings, consumables stores, bits, water, POL, gravel pack in a space etc. complete in all respect as per the direction of Engineer-in-charge.

Supply and lowering of IS makred electric resistance welded mild steel pipe 200 mm dia nominal size housing 6.4 mm thickness confirming to IS 4270-2001 with up to date amendments if any, 3 to 6 metres in length, welded without any circumferential joints into bore hole in vertical position including cost of all scaffolding derricks, poles clamps including cost of all cutting, threading and welding of pipes etc complete in all respect as per the direction of Engineer-in-charge.

Providing and fixing casing shoe for 175 milimetre dia MSERW pipe as per requirement of ODEX attachement complete in all respect as per the direction of Engineer-in-charge.

Development of tubewell and yield testing with air compressor through V notch and disinfaction etc. complet in all respects as per IS 2800-1979 and as per the direction of Engineer-in-charge.

Development of tubewell by continous over pumping method with VT pump/submersible pumps of suitable capacity not less than double the discharge established by the compressor method/design discharge, untill the well is stand free as per IS-11189-1985 up to date ammendements if any, complete respect as per directions of the Engineer-in-charge, the draw down in all and discharge to be established by running the VT/submersible pump continously 8 hours in the presence of Engineer-in-charge.