Chennai (Metro Rail News): Chennai Metro Phase 2 progressed as Tata Projects Ltd’s TBM Kalvarayan has achieved a breakthrough at Perambur station of Line 3. This line spans 45.813 km between Madhavaram to SIPCOT under TU-01 contract.
Officials from Chennai Metro Rail Limited (CMRL), General Consultant and Tata Projects were present during the breakthrough event.
About TBM Kalvarayan
The TBM Kalvarayan (S 1331) is the 7th TBM deployed by Tata Projects Limited under TU-01 contract.
The TBM Kalvarayan (S 1331) started its construction drive from Ayanavaram Station to Perambur Station and constructed a 867 m up-line tunnel, achieving a breakthrough at Perambur South Shaft.
Contract TU-01 Of Chennai Metro Phase 2
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.
Scope of TU01: Construction of approximately 9 km twin bored tunnels (total = 18 km) from the TBM Retrieval Shaft near Venugopal Nagar (of Line-5) to Kellys Station, and the construction of diaphragm walls, entry/exit structures of Madhavaram Milk Colony Station, Murari Hospital Station, Ayanavaram Station and Purasaiwakkam High Road Station, including launching and retrieval shafts at the above stations.
So far, 11 breakthroughs have been achieved in Phase 2 of Chennai Metro.
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