supplying and laying of d.i. ( k7 ) pipe with specials of different diameter including supply and installation of valves with construction of valve chambers and complete road restoration including all pipe carrying bridges where necessary to lay pipe over canals, drains or any waterways in complete with ancillary works as per tender specifications for distribution line from esr 1900 ( pearapur ) to different surrounding location within pearapur gram panchayet area for transmunicipal water supply scheme for dankuni, uttarpara, konnagar, rishra, serampore, baidyabati & champdani municipality and adjoining peri-urban areas .