Chennai Metro witnesses Tunnel Boring Machine breakthrough at Madhavaram High Road for Phase-2 project

Chennai Metro Rail Limited (CMRL) witnessed Tunnel Boring Machine (TBM) Podhigai (S97) breakthrough at Madhavaram High Road as a part of Phase-2 project.

More Details:

Chennai Metro Rail Limited 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 Corridors in stages since June 2015 and the growing ridership in Corridors 1 & 2.

The TBM Podhigai (S97) tunnel drive started on 18.01.2023 from Madhavaram Milk Colony Station to Madhavaram High Road (down line) covered a bored tunnel length of 1.4 km and break-through at Madhavaram High Road (02.11.2023). Officials and staff of CMRL, GC and Tata Projects were present during the event.

Now, Chennai Metro Rail Limited 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 being funded by several multi-national funding agencies including the JICA, ADB, AIIB & NDB.

Project in Brief:

  • Corridor 3 comprising total alignment length of 45.4 km from Madhavaram Milk colony to Siruseri Sipcot will be spanning across the north to south direction of the Chennai city and has a total of 28 underground stations and 19 elevated stations.
  • Corridor 4 is an east west alignment for a length of 26.1 km connecting the beach front from Light House station to the Depot at Poonamallee has 9 underground stations and 18 elevated stations.
  • Corridor 5 also begins at Madhavaram Milk colony and connects through Koyambedu, Porur, Alandur and other residential/commercial development of the city to Sholinganallur for a total length of 44.6 km with 6 underground stations and 39 elevated stations.

The tunnel construction for the first 9 km underground section of Corridor 3 from Madhavaram Milk Colony to Kellys is being executed through M/s Tata Projects limited and mobilised 7 TBMs for the works.

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