India will quickly expertise one thing like by no means earlier than because the nation will quickly have its first-ever underwater metro practice in Kolkata by 2023. The Kolkata Metro Rail Corporation (KMRC) is ready to finish the nation’s first underwater tunnel for metro connectivity below the Hooghly river between Howrah and Kolkata. The East and West metro corridors might be related by way of this twin tunnel over 500 meters.
All it’s essential to find out about India’s first underwater metro tunnel:
About the challenge
Of the 16.6-km-long east-west hall stretch, 520 meters might be below the river mattress of the Hooghly river. The tunnel hall is constructed 33 meters under the riverbed and can join Kolkata to Howrah. The tunnel could have 1.4m-wide concrete rings and hydrophilic gaskets to forestall water from getting into the tunnel. This metro connectivity will assist cut back journey time between Sector V to Howrah. The practice might be operating at a depth equal to a 10-story construction underwater.
This might be a one-of-a-kind underwater metro practice tunnel in India and is predicted to be at par with Eurostar which connects London to Paris. The challenge is predicted to decongest site visitors and rework lives of the folks residing close to Hooghly river.
Speaking of the services and security measures being offered within the challenge, Mithun Ghosh, the Site Supervisor stated that there might be walkways within the tunnels for evacuation of passengers in case of emergency. Passage work has been carried out conserving in view the technical issues that may come up contained in the water tunnel space. Hence a particular passage has been made so passengers can evacuate throughout such a state of affairs.
Cost of the tunnel
The value of the challenge is estimated to be Rs 8,600 crore.
Deadline for the challenge
The challenge is predicted to be accomplished by 2023.