|Project Detail :||The Union Ministry of Home Affairs (MHA) has give its nod to the Brihanmumbai Municipal Corporation (BMC) to appoint a Chinese contractor for the construction of two underground sewer water tunnels. The 10 km long underground sewer water tunnels will be built between Borivli and Goregaon.
The tunnels will be connected to the wastewater treatment plant (WTP) at Malad, and are a part of the BMC’s Mumbai Sewerage Disposal Project. The first tunnel is proposed to be constructed between Borivli and Malad plant, while the second one is planned between Goregaon and Malad plant.
Both the tunnels are proposed to be constructed on the Link Road. The Malad WTP project is likely to improve the quality and reliability of wastewater collection, treatment and promote its usage. BMC had allocated around Rs 50 crore for the project.
Meanwhile, the two tunnels will have to constructed by using a tunnel boring machine (TBM). BMC had floated tenders to appoint contractors for construction of sewer water tunnel in two phases in March 2019.
Two bids were received each for the Phase-I and Phase-II, in which three contractors-- Larsen & Toubro (L&T) and China-based Shanghai Tunnelling Engineering Company (STEC) and ITD Cementation – had placed bids for the project. BMC received the security clearance from the Centre for appointing Chinese contractor STEC. STEC is also working in the underground Metro-3 corridor between Colaba and Aarey Colony.|