estimate for augmentation of water supply scheme, providing functional household tap connections and laying the balance pipe lines in village bhaini maharjpur distt. rohtak design, construction, testing and commissioning of 0.50 mld capacity water treatment plant, 1 sands tank, 1 raw water pumping station comprising sump well, pump chamber, laying the rising main and balance pipe lines in village, repairing the existing structures. supply, erection, testing and commissioning of pumping machinery. oandm for 12 months during defect liability period after trail run of 3 month and 5 year thereafter and all other works contingent thereto”.