Mumbai Metro 3 corridor ALERT! MMRC completes 97% tunnelling on Colaba-SEEPZ Metro line

Spelling cheers for Mumbaikars, almost 97 per cent tunnelling work on the longest and fully-underground Colaba-Bandra-SEEPZ Mumbai Metro 3 corridor has been completed with the 39th breakthrough achieved at Mahalaxmi, officials said on Wednesday.

Till date, the Mumbai Metro Rail Corporation (MMRC) Ltd, which is executing the project, has tunnelled 52.60 km of the 54.50 km double line (up/down), marking nearly 97 percent of the total tunnelling work required, company’s Managing Director Ranjit Singh Deol said.

The city’s first fully subterranean 33.50-kms long Colaba-Bandra-SEEPZ Metro-3 line, which passes below sections off the Mithi River and Mahim Creek, will have 27 stations, including 26 underground, with at least 6 inter-changes at strategic points on the route.

Estimated to cost around Rs 23,136 crore, the entire project is expected to be operational by mid-2022, and transport around 1.60 million commuters daily in full comfort.

In the ongoing work, the latest achievement was the breakthrough at Mahalaxmi Metro Station by the tunnel boring machine Tansa-2, completed in 257 days, using 745 concrete rings, Deol said.

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