corrigendum - providing and installing 200 mm i/d straight tubewell up to 150 mtr. depth, with reverse rotary rig, prov. and installing submersible pumping set and accessories, delivery main, prov. and installing chlorination plant, construction of pump chamber with toilet, construction of rcc ohsr, development of water works, prov. & stringing of pipe lines, jointing, cutting and testing of pvc pipes, rising main excavation for pipe line, new house connection with water meters of water supply scheme etc. complete in all respects & all other works contingent there to as per dnit at rural water supply scheme for village ahmedgarh channa block malerkotla-2, distt. sangrur (under nabard ridf xxiii)