Details: construction of tube-well from ground levels and upto 100 meter depth and above to accommodate housing and assembly pipe of following sizes in all types of alluvium strata by percussion/ rotary drilling method and with gravel as per is:4097-1967 and packing as per is:2800 (part i -& ii) 1979 as amended upto date(the work includes the cost of gravel & its primary packing and packing during development, lowering of housing & strainer assembly pipes, with supply and wrapping of coir-rope, wherever necessary for arresting fine sand particles. the work will not include cost of housing pipe and strainer pipe assembly and development work, but work would be completed after obtaining sand free water). upto 100 meter depth 200 mm dia nominal bore (code:- 20.2.1.2) above 100 metre and upto 200 meter depth nominal bore 200 mm dia (code:- 20.2.2.2) supply of erw m.s. black casing pipe isi marked (is: 4270/1992) of grade fe410 of following nominal bore sizes at site of work. 200mm di
Sector: RDPR