Mumbai's undersea tunnel: From unique ventilation system to earthquake resistant, key features of project.
By 2023, Mumbai will be home to India's first undersea tunnel, part of the city's Rs 12,000 crore Coastal Road project.
The Coastal Road project is an under construction 22.2-kilometre freeway that would run along Mumbai's western coastline connecting Marine Lines in the sea.
Mumbai's undersea tunnel: From unique ventilation system to earthquake resistant, key features of projectouth to Kandivali in the north.
Here are some key features of the tunnel:
The 2.07 kilometre tunnel, which will have two lanes, will be 10 to 70 metres deep sub-surface. These lanes will be bored between Priyadarshini Park and Chhota Chowpatty at Marine Drive.
A civic official told The Times of India that the tunnels, having a circumference of 11 metres each, would be earthquake-resistant and have a life span of more than 120 years. The tunnels will have three lanes on each side and will get a coat of reflective paint to ensure adequate lighting. “In case of disaster, 13 cross tunnels would be opened up. Of the 13, seven cross tunnels would be for vehicles and six for human movement,” said the official.
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