India’s National High Speed Rail Corporation Limited (NHSRCL) has released an international tender for the construction of the county’s first undersea rail tunnel, a 21km long twin-bore that will be constructed using a combination of TBM and NATM between Mumbai Underground Station and Bandra-Kurla Complex Station.
The tunnel, that will take 3.5 years to build, will be a critical section of the 508km long Mumbai-Ahmedabad bullet train project, the first such rail line in India. Some 7km of tunnel will be bored under Thane creek, 1.8km under the seabed, with the rest built under the mangroves marshland either side of the creek. The NHSRCL has said it expects bids in the region of US$1bn.
The Government of India has received a loan from the Japan International Cooperation Agency (JICA) towards the cost of the project, of which parts will be applied to eligible payments under the contract for works. International Competitive Bidding will be conducted in accordance with JICA’s Single Stage (Two Envelope) Bidding Procedure.
The bidding documents will be available from 26thApril 2019 – 22ndAugust 2019, with a closing date for submission of 23rdAugust 2019, before 15.00hrs.
The documents can be obtained at a cost of INR236,000 from the Managing Director, National High Speed Rail Corporation Limited (NHSRCL).