augmentation of water supply scheme village madhra existing w/s scheme kohali block shri hargobindpur distt. gurdaspur. (under 1a (ii)/ j.j.m. providing and installing 1 no 200mm i/d straight tubewell by drilling 500mm bore with reverse rotary rig upto a depth of 150m bgl, const. pump chamber size 3.05×3.70mtr. without gravel pit but including sanitary latrine in pump chamber, providing & installing pumping machinery, disinfections unit electronically actuated type, all civil works, supplying and laying of pvc pipes, valves and specials for rising main, distribution system, water connection and constructing 1 no. ohsr 25kl capacity having height of 15.50m bottom, 18.00 mtr. upto fsl including the cost of inlet, outlet, overflow & scour & vertical pipes, ci duck foot bends, expansion joints, puddle collar, lightening conductor, earthing, ms steel ladder of tank portion stair case with g.i pipe railing on both sides ventilation, aluminum ladder inside ohsr, scour/overflow sluice valves and making connections with rising main and distribution pipe line complete in all respects. operation and maintenance water supply system including machinery, pump operator cum-chowkidar, sodium hypo chloride solution with storage tank of sufficient disinfection for 3 months after completion and environment management at water work site. (operation & maintenance cost excluding electricity charges)