Details: drilling of 400mm dia bore with direct rotatry rig in all kinds of soil including the cost of consumable stores, fuel oil and transportation of rig to the site. complete in all respect. (a) drilling of 400mm dia bore with direct rotatry rig upto 200 m depth bgl supplying, lowering of ms pipe as per is:4270-2001 including ms sockets having dimensions as per is code duly welded with ms electrode to have extra strength to lower the pipe into tubewell bore. 200mm nominal diameter (weight 41.6 kg per metre) 8.0 mm thickness supplying, fixing & lowering of stainless steel cage type wire wound screen as per is:8110-2000 or latest isi marked duly welded with suitable grade s.s welding electrode.to lower the strainer into tubewell bore. 200mm steel strainer (slot size 0.15mm) 6.30 mm thickness supplying & fixing of bail plug of m.s pipe complete with inverted u-hook attched to the bottom plug complete in all respect. 200mm internal diameter (weight 41.6 kg per metre) 8.0 mm thicknes
Sector: Water Resource Department