Details: deepening of existing tube well by dth system beyond existing depth up to 100 mtr. and above in all type of rocks including flushing of tube well and obtaining sand free water. nominal bore 200 mm dia. providing, lowering, laying in trenches, aligning, fixing in position and jointing ductile iron (di) isi marked k-7 grade s&s pipes as per is:8329-2000 (amended up to date), with internal cement mortar lining suitable for potable water with rubber ring (epdm) joints as per is: 5382-1985 including all taxes (central and local), transportation and freight charges, inspection charges, loading/ unloading charges, including cost of labour and material, specials (tee, bend etc.) satisfactory hydraulic testing, disinfection, commissioning etc. complete as per technical specifications and direction of engineer-in-charge. (excluding earth work) note : providing and fixing of all requisite specials as per drawing, design and layout are inclusive in rm measurement of the item a
Sector: Water supply and Sewerage