30 April,2020 07:46 PM IST | Mumbai | Ranjeet Jadhav
Vaitarna-2 is the first TBM to complete the stretch of 4km in a single drive
Mumbai Metro Rail Corporation (MMRC) on Thursday achieved yet another milestone with its 28th breakthrough from Chhatrapati Shivaji Maharaj Terminus to Mumbai Central. Vaitarna-2 is the first TBM to complete the stretch of 4km in a single drive.
Vaitarna-2, the Tunnel Boring Machine (TBM) of this package was commissioned on February 2, from CSMT launching shaft and completed its longest run at Mumbai Central station with 2,730 RCC rings.
"This part of the tunneling was very challenging particularly because the alignment runs very close to old and dilapidated buildings and also parallel to the sea shore and very shallow ground water table which is approximately 1-4 meters below only", said Ranjit Singh Deol, Managing Director, MMRC.
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"Another challenge posed before the team was the outbreak of COVID-19. However, we ensured physical distancing and strictly followed all the guidelines stipulated by the state government", said Deol further.
The 4-km long tunneling, on the Colaba-Bandra-SEEPZ Metro-3 Corridor, includes the construction of five underground stations beginning from Chatrapati Shivaji Maharaj Terminus to Mumbai Central via Kalbadevi, Girgaon and Grant Road.
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