KOLKATA (Metro Rail News): The dream of the Under the River Metro journey in India will be fulfilled very soon as the East-West Metro is all set to ply under the River Hooghly this year.
Under The River Feeling
Commuters of the East-West Metro Corridor, which will connect Howrah Maidan with Salt Lake Sector V, can enjoy this Under the River Metro Journey thoroughly. For this, special illumination of the inner walls of the tunnels under the river with blue lights has been arranged to give the effects of water around the moving rake.
The twin subaqueous tunnels 350 metres downstream of Rabindra Setu (Howrah Bridge) have been burrowed with the help of Earth Pressure Balancing Tunnel Boring Machines through pre-dominantly stiff clayey silt. Construction of this engineering marvel was completed in a record 66 days, and under the river, the length of this tunnel is 520 metres.
Though the non-transparent tunnels are circular bored tunnels of internal diameters 5.55 metres with 275 mm thick RCC segmental permanent liners, commuters will still feel they are travelling under the river Hooghly.
These magnificent tunnels will connect two century-old cities, Howrah and Kolkata, under the river Hooghly, which was unthinkable a few years ago. Metro Authorities are making elaborate arrangements to make this underwater journey, which will last for approx 45 secs., of all passengers memorable.
Also, illuminated fishes will be swimming around the rake during this journey. Forty such illuminated fishes will be swimming on the inner walls of the tunnels. The Internationally famous multinational Phillips has made this particular arrangement.
Metro Railway also thinks of special sound effects in this section to make this unique journey a riveting one.
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