augmentation of water supply scheme laddi block & distt sangrur “boring and installing 200mm i / d depth 150 mtr bgl or upto depth where sufficient quantity of is available with reverse rotary rigincluding stainless steelstrainer& m.s. pipe, & construcion of pump chamber size of 3.05x3.70 mtr with toilet, providing & installing submersible pumping set, prov. & fixing c.i delivery main, prov. & installation electromagnetic type / chlorination plants, , construction of one no. rcc ohsr 50000 ltrs capacity having height 20.00 mtr up to fsl development of w / w site, prov.laying, cutting, jointing & testing of pvc pipe construction of sv houdies, and all other works contigent there to under nabard xxvii