KOLKATA (Metro Rail News): India’s first underwater tunnel in Kolkata which is constructed under the Hooghly river is ongoing and is estimated to be functional by 2023. This Metro will provide connectivity between Howrah and Kolkata.
The Metro corridor is a 16.6-km-long east-west stretch in which 520 metres will be under the river bed.
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The tunnel corridor is built 33 meters below the riverbed. The Kolkata East-West Metro line is being constructed by Kolkata Metro Rail Corporation (KMRCL).
Mithun Ghosh, the Site Supervisor said that there will be walkways in the tunnels for evacuation of passengers in case of emergency, ANI reported. “Important Passage work has also been done keeping in mind that if a technical problem arises inside the water tunnel area, passengers can be taken out through the special passage,” he added.
Ghosh also said that almost 80 percent of the work of the East-west Howrah Metro station is completed and full service is estimated to start in 2023. “The station is being built under the Hooghly river at a depth of 33 meters. 80 per cent of work has been completed while 20 per cent is yet to be finished. It will start functioning by 2023,” Ghosh said.