The second Tunnel
Boring Machine (TBM) to be used for excavation at Nehru Park metro station will
begin operations by October 15.
The first machine which was launched in late
July has already covered more than 84 meters.
But after October 5, the speed of
the two machines would gradually be increased to three to four meters and four
to five meters a day, respectively.
An underground metro station consists of
three levels namely roof, concourse and base. The platform will be at base
level.
The stations will have multiple entry and exit points. Work on
underground stations is expected to be completed by April 2015. Metro Rail
Corridor-I runs from Washermenpet to airport via Mount Road and Corridor-II
connects Chennai Central to St. Thomas Mount via Koyambedu and 100 Feet
Road.
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