|
| 1 | Construction of 03 Nos. Rebore Tubewell: |
| 2 | Drilling of borehole for Tubewell contruction by RC Rig Machine including transportation, erection, dismantling of Rig and assoiated T & P complete in all respect including required all material, labour etc. |
| 3 | Initial Transportation, Erection and Dismantling of Rig Machine to Tubewell site. |
| 4 | Subsequent Transportation to another sites |
| 5 | Drilling by RC Rig Machine 600 mm dia |
| 6 | 0 to 45 mtr. deep |
| 7 | Drilling by RC Rig Machine 600 mm dia |
| 8 | 45 to 100 mtr. deep |
| 9 | 100 to 130 mtr. deep |
| 10 | Tubewell Assembly |
| 11 | M.S. tubewell assembly with all required parts like plain pipe, slotted pipe (as required upto 50% of plain pipes) rings, well cap, bail plug, clamp, reducer, central guide, support structer etc. As required & as per typed design complete in all respect. |
| 12 | 300 mm. Dia MS ERW Housing pipe having wall thickness of 7.1mm. |
| 13 | Supply of pea gravel |
| 14 | Logging of bore hole by departmental / approved electric logger. |
| 15 | Lowering of Tube well assembly duly welded including welding electrode and shurounding of pea gravel complete in all respect. |
| 16 | Lowering of 300mm dia pipe from GL to 100m deep BGL. |
| 17 | Lowering of 300mm dia pipe from 100 to 120m deep BGL. |
| 18 | Development of Tubewell by compressor |
| 19 | Initial Transportation, Erection and Dismantling of 250 PSI Compressor. |
| 20 | Subsequent Transportation to another sites |
| 21 | Development of Tubewell by 350 PSI Air compressor |
| 22 | Development of Tubewell by O.P. Unit |
| 23 | Initial Transportation, Erection and Dismantling of 03 Cusec O.P. Unit & Yield test |
| 24 | Subsequent Transportation to another sites |
| 25 | Development of Tubewell by 3 cusec O.P. Unit |
| 26 | Chemical and Bacterological test of water sample from depaprtmental/ approved lab. |
| 27 | Site clearance and gravel shifting& other allied works. |
| 28 | Baricading/ fencing of the site during the construction of T.W. to ensure that site is not exposed to risk of accident. |