tender for operation and maintenance of based for complete scope of work mentioned in the dnit in the village disinfection material supplied by the phed as per schedule-iv for a period of 5 years after 12 months during defect liability period and 3 months trial run period. (will be charged to the annual maintenance estimate). complete in all respects as per approved nit. 1) operation and maintenance during defect liability period after 3 month trial run period ( operation only) , operation and mentainance during 1st year after defect liablity period , operation and mentainance during 2nd year , operation and mentainance during 3rd year , operation and mentainance during 4th year , operation and mentainance during 5th year , item description , hsr items for dnit name :dhani khan bahadur:- estimate for construction of independent water works for village dhani khan bahadur distt. hisar, construction of 1 no. reinforced cement concrete s and s tank, construction of 2 no. reinforced cement concrete filter bed, construction 1 no. reinforced cement concrete cwt, construction pc, construction boundary wall construction reinforced cement concrete suction well for raw water and clear water, construction of road and path, pipe line at head works, supply, erection and installation of pumping machinery, laying, jointing, cutting , commissioning and testing of 100 mm i/d 1581 mtr., 150 mm i/d 135 mtr. and 200 mm i/d 150 mtr. di pipe line and 150 mm i/d di pipe 2900 mtr. rising main exist. point ( vill. panghal) to prop. w/w in village dhani khan bahadur including operation and maintenance of water works with distribution/rising main during defect liability period of 12 months after successful completion of 3 months trial run and thereafter for 5 years complete in all respect and all other works contingent thereto.