TBM Kalvarayan completes tunneling works for third line of second phase of Metro Rail project
Tunnel Boring Machine (TBM) Kalvarayan (S1331) has successfully completed its tunnel drive and achieved a breakthrough at the Perambur Metro (South) shaft.
The tunnel boring machine (TBM) ‘Kalvarayan’ bored a tunnel running to a length of 867 metres and made a breakthrough at Perambur on Tuesday. With this, Chennai Metro Rail has finished 11 tunnels so far for the phase II project.
In the 118.9 km phase II project which will have three corridors (Madhavaram-SIPCOT, Light House-Poonamallee, and Madhavaram-Sholinganallur), 42.6 km has been planned underground, and there will be 48 stations.
Ayanavaram-Perambur underground stretch is one of the sections in the Madhavaram-SIPCOT corridor of the phase II project.
In 2021, Tata Projects Limited bagged Contract TU-01 from Chennai Metro Rail Limited ( CMRL) with a 42-month deadline.
The contract included the construction of twin tunnels for the first 9 km underground section of Corridor 3 from Madhavaram Milk Colony to Kelly’s.