supply, boring and installation of new tube-well at etp , supply, boring & installation of new tube-well at etp. • deep tube-well size up to 250 mm x 200 mm up to 450 mtr depth below ground level • detail of job: - • drilling of 609.6 mm dia bore • lowering 250 mm pipe up to 122 mtr depth below ground • lowering 200 mm pipe up to 328 mtr depth below ground • lcg cage type v up to 20 mtr depth • fixing & lowering reducing socket 250 mm • packing gravel around pipe 70cum • fixing well threaded ms cap • sample box and clamp fitting both • lowering submersible motor with pump. • the aforesaid activity will be envisaged in job work up to 450 mtr depth below ground level.