Public Works Department Tender

Drilling of 125mm dia Hand Pump Well in collapsible strata conglomerate, boulders, gravel, pebbles, silt, clay, rock etc formation whatsoever encountered at site. The job envisages construction of Hand Pump Wells of an avg. depth of 60 Mtrs. below ground Level, or till the sufficient discharge of water is available from the bore hole by way of Drilling of 125mm Bore Holes using 115mm ODX method and exploration of underground potable water by tapping sufficient aquifer zones with simultaneously lowering of 125mm M.S/G.I. plain ended pipe duly chamfered and welded. The job includes all charges on account of cost of drilling/ accessories/ tools/ attachments/ bits/ POL’s/ consumable/ labour etc with carriage of all materials upto site of work, including cost of suitable casing pipe (ISI marked steel tubes for water wells of hot types finished seamless (HFC) electric automatic fusion welded (HFC ) resistance welded in length of 3Mtr with tolerance of +_ 10cm beveled casing 125mm dia nominal bore with 4.5mm thickness/shoe of adequate hardness. The job also includes development of drilled bore holes with Air Compressor of suitable capacity to clear the tapped water from all suspended impurities.

ODX Depth

DTH Depth