providing and installing 250mm x 200 mm i/d depth 350 mtr bgl or upto depth where sufficient quantity of is available with reverse rotary rig including stainless steel strainer & m.s. pipe, ,repair of pump chamber as per site conditions & providing, laying, cutting, jointing & testing of pvc pipe 6kg/cm2 for village distribution including cost of excavation, dismantling & restoration of interlock tiles, brick & cc road, , development of water works site i.e. corner pillars, gate pillars, ms gate, barbed wire fencing, angle iron pickets, footpath, sluice valve with haudi and ms sign board, etc. providing water connection to households, environmental management and carriage of material along with other contingent works thereto in all respect for existing water supply scheme jarout block derabassi distt. s.a.s nagar (under nabard xxx)