Details: name of work: drinking water under strengthening of existing schools at govt. ps mahataniitem description2construction to 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 wrappiing 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.)200 mm nominal bore.construction of tube well upto 100 meter depth and above in all type of rocks by dth system and over burden, to accommodate casing pipe of following sizes in all
Sector: School