Mumbai Metro-3 update: MMRC achieves 37th breakthrough at CSMT Metro Station

Mumbai Metro Rail Corporation (MMRC), on April 22, 2021 achieved its 37th breakthrough at Chhatrapati Shivaji Maharaj Terminus (CSMT) Metro Station. Robbins made TBM Surya-2 completed its final drive of 569 meters from Hutatma Chowk to CSMT Metro Station in 106 days using 418 concrete rings.

“Tunnelling in the heritage precinct, which is also in the close proximity to the sea, is a daunting task. MMRCL team of contractors, consultants, engineers and workers scientifically dealt the challenge successfully. I am happy that 96% of tunnelling has been completed in package-1 by ensuring the safety of the historical buildings”, said Mr. Ranjit Singh Deol, Managing Director, MMRC. 

  • With this 2.9-km long downline tunnel from Cuffe Parade to CSMT Metro Station is completed.
  • Package-1, which includes Cuffe Parade, Vidhan Bhavan, Churchgate and Hutatma Chowk Metro stations, has witnessed six breakthroughs (Cuffe Parade to Vidhan Bhavan (Upline-1228m and Downline-1254m), (Vidhan Bhavan to Churchgate (Upline-498m and Downline-481m), (Churchgate to Hutatma Chowk (Upline-654m) and Hutatma Chowk to CSMT (Downline-569m).
  • The overall tunnelling completed on the project is 52-km which is approximately 95% of the total project.

About the project:

  • Mumbai Metro Line-3 (MML-3) is one of such key projects to improve the transportation scenario in the financial capital of India i.e. Mumbai. MML-3 project – a 33.5 Km. long corridor running along Colaba-Bandra-SEEPZ, envisages to decongest the traffic situation in Greater Mumbai. 
  • Upon completion, this fully underground corridor with 27 stations would connect Six business districts, 30 educational institutes, 30 recreational facilities and domestic as well as international airport terminals. 
  • It will have five interchange points for suburban railway and one each for Monorail and ‘Versova-Andheri-Ghatkopar’ Metro-1.
  • Mumbai Metro Rail Corporation Limited (MMRC) is the nodal agency responsible for the implementation of Mumbai Metro Line-3(MML-3) project. 
  • It has been constituted as a JV of the Govt. of India(GOI) and the Government of Maharashtra(GOM) on 50:50 sharing basis.

Source: MMRC-Press Release | Image Credit (representational): MMRC