Laying of 1000 mm and 1200 mm dia np3 pipe line infront of itc building in place damaged line at along st. no. 878 at aa-iiig under new town kolkata project.

Connecting drain from hidco road to gully pit in front of itc and near iiig dps in aa-iiig under new town kolkata project.

Additional work for laying of sewer line along revised route due to land problem of street no. 937 at aa-iiig under ntk project. (laying of sewer line with 200mm dia np3 pipe to connect sewer with st. no. 937 via st. no. 882 and 880 at aa-iiig

Construction of manhole, 200mm and 300mm dia np3 pipe sewer line connection between main sewer and plot sewer wipro ltd. at st. no. mar-3333 in aa-iiig under ntk project.

Re-construction of damaged sewer line with manhole from infront of nbcc square building towards isls-v at aa-iiif by hume pipe np3 700mm dia. with allied works under ntk project.

Cross jointing and 100 mtr longitudinal joint by hot vulcanizing process in steel cord belting st-630 or equivalent (1200 mm width) in c1,c2,c3,c4 and st 1000 or equivalent 1400 mm width c5, c6 conveyor for a period of 01 year (365 days) of chhal sil

Diversion / shifting and extension with new pipe 20 no. and 6 inch dia exiting and old dismantling 1200 mtr. pipe line delivery range of 1000 gpm pump set installed at d-patch its discharge point at water supply of golden pahari at amal .nt-st-jg pro