Chennai Metro Phase-2 picks up the pace as TBM Anaimalai achieves tunnel breakthrough at Otteri shaft

In a groundbreaking development towards expansion of Chennai transportation network, Chennai Metro has achieved tunnel breakthrough at Otteri shaft in Corridor-3 from Madhavaram Milk colony to Siruseri Sipcot. The TBM Anaimalai (S98) marks a significant progress in the Phase-2 project.

More Details:

The Chennai Metro Rail Limited (CMRL) has commenced the expansion of the Chennai city’s metro rail network as part of Phase-II after the successful completion of the Phase-I and Phase-I extension. CMRL has ventured into an extensive infrastructure development in the city comprising three more corridors of metro rail for a total length of 116.1 km. A total of 23 TBM’s (Tunnel Boring Machine) will be utilised in the tunnelling works for Phase-II project.

Progress of Corridor-3:

  • In Corridor 3,  the first 9 kilometres of the underground section, stretching from Madhavaram Milk Colony to Kellys, is being executed through M/s Tata Projects limited.
  • A total of 7 TBM’s have been mobilised for the tunnelling works.

  • One of the TBM Anaimalai (S98) commenced its tunnel drive on 23.10.2023 from Ayanavaram Station to Otteri station (Down line) in Corridor 3 covered a bored tunnel length of 925 m and the TBM successfully reached its destination with a breakthrough at the Otteri shaft.
  • Mr. M.A. Siddique, I.A.S., MD, CMRL, along with senior officials of GoTN, CMRL, GC and Tata Projects were present during the event.

The success of TBM Anaimalai (S98) in tunnel breakthrough highlights the agency and effectiveness with which the Chennai Metro Phase-II project is being executed and further shows the expertise and experience with which Chennai Metro is dealing with complex operations required to develop quality infrastructure.

Source: CMRL – Press Release | Images Credit: CMRL

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