Terratec Completes Factory Testing 3rd & Final TBM for Pune Metro

Tunnel boring machine (TBM) manufacturer Terratec on January 11 completed factory acceptance tests (FAT) for the third and final new TBM at their Guangzhou facility in China which will be used to build a section of Pune Metro’s 16.589 km Line-1 tunnels.

Christened S81, this Ø6.61m earth pressure balance (EPB) TBM will first be deployed from the Swargate Shaft by Gülermak – Tata Projects Limited JV for exclusively building tunnels on package UGC-02 (Budhwar Peth – Mandai – Swargate Station – Swargate Shaft).

Underground section of Line-1 – view Pune Metro Map & Info
First look of TBM S81 – Photo Copyright: ErhanU
Photo Copyright: ErhanU
Terratec, Gulermak-TPL JV & MahaMetro officials – Photo Copyright: ErhanU

MahaMetro’s nickname for this TBM is unknown as this time. With FAT completed, it’ll will now be dismantled and shipped to Pune through Mumbai’s JNPT port, with an ETA at the Swargate Shaft site (see location on Google Maps) by February-end.

Swargate Shaft’s progress snapped in Nov 2019 – Photo Copyright: MahaMetro

Meanwhile – on the northern section of the line, for UGC-01 – TBM S78 “Mutha” just made a breakthrough at the Agriculture College Shaft and is being prepared for its drive towards Shivaji Nagar. TBM S79 “Mula” was just commissioned from the Range Hills Ramp and is expected to arrive at the Agriculture College Shaft by the end of this month.

For more updates, check out the Pune section of The Metro Rail Guy!


written by

Global traveler who prefers mass rapid transit

Leave a Reply

Want to join the discussion?
Feel free to contribute!

Leave a Reply

Your email address will not be published. Required fields are marked *