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Mumbai Metro achieves 41st Breakthrough for Line-3 at Mumbai Central Metro Station

Free Press Journal logo Free Press Journal 28-06-2022
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In the underground Mumbai Metro Line 3 (Colaba-Bandra-SEEPZ), the 41st breakthrough at Mumbai Central Metro Station was attained on Wednesday afternoon.

Robbins-made Tunnel Boring Machine (TBM) Tansa-2 completed a downline drive of 832.5 meters from Mahalaxmi Metro Station to Mumbai Central Metro Station in 262 days using 555 concrete rings.

S.V.R. Srinivas, Metropolitan Commissioner, MMRDA and Managing Director, MMRC, commented, "With this breakthrough, we are delighted to announce the completion of the entire downline tunnel of Metro-3 corridor from Colaba to SEEPZ. One more breakthrough is awaiting completion of 100% tunnelling of line 3."

According to the Mumbai Metro Rail Corporation, which is the project implementing authority, Package-3, includes Mumbai Central, Mahalaxmi, Science Museum, Acharya Atre Chowk and Worli Metro stations.

It is the longest stretch of the corridor and has now witnessed a total of five breakthroughs - (Science Museum to Worli) (Upline–2072m and Downline–2057m, (Science Museum to Mahalaxmi) (Upline–1117.5m and Downline– 1135.5m) (Mahalaxmi to Mumbai Central) (Downline- 832.5m).

As of now, the overall tunnelling completed on the Metro-3 corridor is 53.78-km which is approximately 98.60% of the total project.

The project has been divided into two phases. Phase 1, comprising Seepz to Bandra, is aimed to be completed by December 2023 or by January 2024. Meanwhile, the plan to run a trial run at Marol Maroshi on an underground track has been kept on hold.

Once open to public use, the Mumbai Metro Line 3 help reduce traffic on road. Further reducing about 2.61 lakh tonnes of CO2 emissions per annum, helping the city to be more environment friendly.

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