Six leading Indian and international companies in the field of water and wastewater treatment have prequalified for a new wastewater treatment facility in Colaba in south Mumbai, the Chief Engineer – Mumbai Sewage Disposal Project, Municipal Corporation of Greater Mumbai, has announced. The bidders are Doshion Veolia Water Solutions Pvt. Ltd and Veolia Water India Ltd, VA Tech Wabag Ltd, Degremont Ltd, Enviro Control and KEC, Cadagua SA and SPML Infra Ltd, and UEM India Pvt. Ltd and Geo Miller Co. Pvt. Ltd.

The WWTF project falls under the Mumbai Sewage Disposal Project-II (Priority Works) and will be developed on design-build-operation-maintenance basis. The municipal corporation began implementing the facility in 2013 and hopes to complete it by 2015. It has provided Rs.20 crore towards the project in the civic budget for 2013-14.

Wastewater Plant_Colaba_ProjectsMonitorThe Colaba treatment plant is one of seven projects that entail the upgradation of treatment facilities across Mumbai in a phased manner. The other six plants are at Worli, Bandra, Versova, Malad, Bhandup and Ghatkopar. Some of these are already in various stages of implementation. For instance, the Malad WWTF is estimated to cost Rs.700 crore and is proposed to be commissioned by 2017. The cost of improvement of all seven wastewater treatment and disposal facilities would be around Rs.3,058 crore (base price: 2012).

MSDP-II is a strategic action plan for the sewerage segment that aims to improve environment and sanitation in the city and minimise pollution and risk of contamination. The project will also increase the quality and reliability of wastewater collection, treatment and disposal through affordable and sustainable technologies over a 25-year period—the total duration of MSDP-II.

The entire Mumbai Sewage Disposal Project-II is estimated to cost over Rs.6,000 crore until 2025. Some of the components under this project include sanitation programme, sewer lines, manholes, pumping stations, outfalls, treatment plants, and illegal connections


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