Role & responsibilities -Looking after construction of Secant pile (Hard and Soft pile), Capping beam, Flood protection wall for construction of shaft. -Selection of Shaft sizing and sequence (Bottom-UP) for TBM launch. -Preparing Method statement regarding rectangular shaft construction sequence. -Execution of Launching shaft (30M) excavation for both soft and hard ground. -Monitoring erection cycle of Strut -waler beam with its bracket for supporting shaft including packing concrete. -Installation and assembling of Tunnel Boring Machine on ground and then shifting it in tunnel. -Erection and laying of all rail lines, sleepers in tunnel to facilitate the moving of TBM. Protected offloading of TBM parts.
- Lowering and assembling of TBM's ( Eye seal, Thrust Frame & TBM Backup gantries) Initial Drive and Main Drive Preparations. -Temporary rings installation & Removal supervision. Cutter head intervention. -Site set up and arrangement and TBM Operation. -Monitoring TBM operation parameters, -Ring building alignment control including damage assessment,



Key Segment selection with maintaining standard Tail skin clearances. -Daily coordination with surveyor on alignment control. -Advance Technical Reporting about the shift activities with Maintaining contemporary shift report including Tunnel construction & Ring build reports. -Monitoring of Primary & back grouting, excavation quantities -Identification of Delays & causes, Being aware with safety observations. -TBM Transition i.e. Pushing forward of TBM on traveling cradle with all back up gantries to Relaunch as it is for the next drive, and mining progress. -Manpower management, Maintaining records for TBM consumables, Productivity implementation. -Material consumption and selection for the project. -Planning of launching shaft sizing and arrangement with site setup. -Route survey for TBM transportation with contractors. Preferred candidate profile Min
- 7 to 13 years in Underground Metro / Tunnel experience is required.

📌 Manager Tunnel (Chennai)
🏢 Tata Projects
📍 Chennai