Details: drilling of bore. transportation, and dismantling of rig machine. drilling of 400 mm dia pilot bore from g.l. to 160 m. bgl. reaming of 500 mm dia bore from g.l. to 160 m. bgl. drilling and reaming of 600 mm dia bore from g.l. to 70 m. bgl. drilling and reaming 500 mm dia bore from 70m to 100 m bgl. drilling and reaming 500 mm dia bore from 100 m to 160 m bgl. logging of bore hole by approved electric logger. m.s. tubewell assembly with all required part like plain pipe, slotted pipe ( as required up to 50% of plain pipe) rings, well cap, bail plug, clamp, reducer, centerguide, support structure etc as required and as per typed designed complete in all respect. 300 mm dia pipe 7.1 mm thick. 200 mm dia pipe 7.1 mm thick. lowering of t.w. assembly duly welded including welding electrode complete in all respect. 300 mm dia pipe 7.1 mm thick from gl to 65 mbgl. 200 mm dia pipe 7.1 mm thick from 65 mbgl to 100 mbgl. 200 mm dia pipe 7.1 mm thick from 100 mbgl to 145 mbgl. supply
Sector: Water supply and Sewerage