dnit for up-gradation of water supply scheme sandwa by providing additional structures (at 2nd water work), repair of existing structures and laying of distribution system at village sandwa, district bhiwani.” laying of di pipe line 100 mm i/d, repair of filter bed at both water works 1st and 2nd, repair of clear water tank of water works 1st and repair of v-notch haudi of water works 1st and 2nd, repair of boundary wall, construction of s/s tank, laying of pipe line for head works, of sluice valve houdies for s/s tank, construction of open inlet channel, construction of 2 no. rcc high level tank, construction of rcc filter bed, pumping machinery, providing functional household tap connection and all other works contingent thereto”chamber, boundary wall, cc road, supply and erection of pumping machinery, laying of raw water rising main, water works: const of 2 nos sands tank, 2 nos cwt, pc, rw and cw section well, boundary wall, 4 nos. filter beds, 2 nos. hlt, cc road and path, toilet and washroom, ht metering panel room laying of pipe line at head works, supply and erection of pumping machinery at water works and existing boosting stations, laying of rising main for existing b/stns and laying of distribution system in village kural complete including 3 months trail run period one year defect liability and thereafter five year oandm and all other works contingent thereto”.