Mumbai Metro Line III: MMRC successfully completes 2 km alignment

MMRC has completed an important step while working for the Metro III line by constructing a 2 km long metro tunnel

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Mumbai Metro Rail Corporation (MMRC) is said to complete the Colaba-Bandra-Seepz metro corridor, the first subway project, by the year 2021. MMRC has completed an important step while working for the Metro-3 line. Of the 33.5 kilometres (km) long subway on this route, the MMRC has successfully completed 2 km.

MMRC Managing Director Ashwini Bhide claimed to have completed this work in just six months. This project was considered ambitious as it is a big challenge to work underground in the suburbs with old buildings at risk and massive crowd everywhere. However, MMRC used sophisticated technology to create the metro subway. The formation of the subway will be done through 17 tunnel boring machines (TBM) from overseas.


It is indeed a milestone to complete more than 2 km of tunnelling in a short span. With 15 TBMs already having completed Factory Acceptance Test (FAT), we hope to have all the 17 TBMs running by July 2018,” MMRC Managing Director Ashwini Bhide. 

MMRC has given special names to these machines like Surya, Vaitarna, Tansa, Krishna, Godavari, Tapi and Wainganga. The remaining six machines will be available in Mumbai till July, Bhide said.


MMRC is working on the following at different sites

Azad Maidan Launch Shaft: The two TBMs of package 2 will construct 4.5 km of tunnels up to Grant Road. These TBMs - Vaitarna 1 and 2 - have so far completed 450 meters of tunnelling.

Naya Nagar Launch Shaft: The two TBMs of package 4 will construct 2.5 km tunnel up to Dadar metro station. These TBMs - Krishna 1 and 2 - have tunnelled 1005 meters so far.

Vidyanagari Launch Shaft: The two TBMs of package 5 will dig 2.98 km of tunnels up to CSIA Domestic Airport. These TBMs - Godavari 1 and 2 - have completed 342 meters of boring so far.

Marol Naka Launch Shaft:
The two TBMs of package 7 will construct 1.2 km of tunnels up to CSIA International Airport. These TBMs - Vainganga 1 and 2 - have tunnelled 395 meters so far.

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