Details: excavation of sand / sandy soil surrounding the prefixed position of the horizontal tube well and depositing the spoil within the lead beyond 25 m upto 50 m excluding boiling out water by pumping arrangement but including pumping out water if necessary manually and dressing the bed properly as per direction of e.i.c. and all complete. i) depth of excavation of 1.5 m ii ) depth of excavation beyond 1.5 m upto 2.5 m. iii ) depth of excavation beyond 2.5 m upto 3.5 m. pumping out water from ponds or tanks packing the annular space between the outside of the tube well pipes & strainers and the bore with pea size washed gravel of approved quality having size from 2 mm to 5 mm or the size approved by the engineer-incharge including cost of all materials labour and equipment complete. supply fitting fixing of 1.5 m x 1 m x 1 m m.s. cross with 1m vertical leg make with 200 mm dia 8 mm thick e.r.w.m.s. pipe including cutting the necessary pipes in required shape and size and welding inc
Sector: Water supply and Sewerage