TERRATEC TBM S81B “Kolli” achieves its first breakthrough at Otteri Station, advancing Chennai Metro Phase-II Corridor 3. Launched from Ayanavaram Station, it completed 903m of…
TERRATEC’s Tunnel Boring Machine (TBMs) achieved another breakthrough on the Corridor-3 of Chennai Metro Rail Phase-2 project for a 9 km twin-tube tunnel (totalling 18 km)…