TBM Kolli records tunnel breakthrough at Otteri Shaft for Chennai Metro Phase 2 ProjectChennai Metro Rail Limited (CMRL) has successfully completed a significant milestone in its Phase II expansion project. The Tunnel Boring Machine (TBM) Kolli (S 81) broke through at the Otteri shaft, marking a crucial step in the development of three new metro corridors. This TBM was deployed by Tata Projects and...
more... covered a bored tunnel length of 903 meters. The expansion project, encompassing three corridors, will add a total of 116.1 kilometers to Chennai's metro system, improving connectivity and providing a more efficient public transportation network.
Chennai Metro Rail Limited (CMRL) ka Phase II expansion project mein ek bada milestone pura ho gaya hai. Tunnel Boring Machine (TBM) Kolli (S 81) Otteri shaft pe breakthrough kar gaya, yeh Chennai mein teen new metro corridors ke development mein ek important step hai. Tata Projects ne yeh TBM deploy...
more... kiya tha aur isne 903 meter lamba tunnel bore kiya. Yeh expansion project, jisme teen corridors hai, Chennai ke metro system mein 116.1 kilometers aur add karega, jisse connectivity improve hogi aur ek efficient public transport network mil payega.