Bullet train corridor: 2.7-km stretch of BKC-Shilphata tunnel completed
According to NHSRCL officials, the 21-km tunnel has two different construction processes.
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The 2.7 km stretch is located in Ghansoli, 400 metres away from Parsik Hills. (Image: NHSRCL)The first breakthrough in the under construction 21 km-long tunnel between Bandra Kurla Complex (BKC) and Shilphata for the Mumbai-Ahmedabad bullet train corridor was achieved on Thursday when a 2.7 km-long continuous tunnel section was completed.
The 2.7 km stretch is located in Ghansoli, 400 metres away from Parsik Hills. “The achievement of the first tunnel breakthrough is a major milestone in the civil works of the corridor in Maharashtra,” said a National High-Speed Rail Corporation Limited (NHSRCL) official.
According to NHSRCL officials, the 21-km tunnel has two different construction processes. The new austrian tunnelling method (NATM) is being used for about 5 km of the Shilphata-Ghansoli section, while tunnel boring machines (TBMs) are being utilised for the remaining 16 km, including a 7-km underwater span under Thane Creek.
The Mumbai-Ahmedabad bullet train project under the NHSRCL has various intricate engineering features, such as viaducts, tunnels, stations and depots along the corridor through Gujarat and Maharashtra.
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