augmentation of water supply scheme village rikhia block bataladistt. gurdaspur. ( under 1a ( iii ) / nrdwp project providing andinstallingdeep tubewell with hand boring rig 150mm i / d straight depth up to 150 mtrconst. pump chamber size 2.20×2.20mtr. with sanitary latrinein pump chamber, providing & installing pumping machinery, disinfections unitelectronically 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 )