Mumbai Metro Rail Corporation (MMRC) declares the 32nd breakthrough at Dadar Station.

Earth Pressure Balanced Tunnel Boring Machine (EPB TBM) Krishna-1 has bored the 1.2 kilometre stretch from Siddhivinayak to Dadar, laying 805 rings.

This completes the 100% completions of tunnel boring in package 4 out of 7 packages. Overall, this corresponds to roughly 91% of tunnel boring.

Colaba-Bandra-SEEPZ Metro-3 Corridor
35th Breakthrough at Dadar Metro Station
Package-4 completes 100% tunneling

Mumbai, December 16, 2020 –Mumbai Metro Rail Corporation (MMRC), today, achieved 35th breakthrough at Dadar Metro Station. With the 1.12 km. long tunnel from Siddhivinayak to Dadar, package-4 has completed its entire tunneling of 10.96 km. for which three TBMs were deployedin total.

“We are happy to announce 100% completion of tunneling work in 4 out of 7 packages. Tunneling in package-4 was particularly challenging task as all the stations are located in close proximity to developments, active road traffic and popular religious places. Dadar, considered heart of the city, will provide connectivity that will ease commuting woes of Mumbaikars”, said Mr. Ranjit Singh Deol, Managing Director, MMRC.

"The Herrenknecht made Tunnel Boring Machine (TBM) Krishna-1, equipped with Earth Pressure Balance technology, had started its main drive on July 7, 2020 and has completed the downline stretch  using  805  rings. The  overall  progress  of Dadar Metro  Station  is  around  42%", Mr.  S.K. Gupta, Director (Projects), MMRC, provided further details

Package-4   which   includes   Siddhivinayak,   Dadar   and   Shitladevi   stations,   witnessed   8 breakthroughs  (Nayanagar  to  Dharavi  (Upline –589m  and  downline –589m),  (Nayanagar  to Dadar (Upline –2491m  and downline –2472m), (Siddhivinayak to Dadar (Upline–1106m and downline –1126m), (Siddhivinayak to Worli (Upline –1305m and downline –1284m)