providing and installing deep tubewell 200 mm i/d straight 200 mtr deep with 20mtr stainless strainer with reverse rotary rig, disinfections unit electronically actuated type, gravel pit, development of water works, house service connection ,rising main with specials and sluice valve and houdies, repair of pump chamber ,plinth protection of ohsr, c.i delivery main complete, providing and installing pumping machinery complete in all respects