| 06/08/2008 | 27/08/2008 Corrigendum/ Addendum | Surveying entire route of Clear Water Rising Main, Filling up of ditches, laying of 1400 ±3mm (internal diameter) and 1200 ±3 mm dia. (internal diameter) Clear Water Rising Main from Water Treatment Plant to Booster Station-I, Booster Station-I to Booster Station-II in Action Area-II, Booster Station-I to Action Area-IIIC with supply of pipes and Specials valves etc., Construction of required nos. Steel Bridges, crossing of Major Arterial Road by Jack Pushing method including all other allied works completed in all respect followed by 3 months trial run and subsequent 3 (three) years operation & maintenance under New Town Kolkata Project. | N/A | Details |