Bengaluru Metro’s tunnel boring machine `Varada’ set to hold its boots on Friday- The New Indian Specific


Specific Information Service

BENGALURU: After spending a complete of 517 days of drilling for the Bengaluru Metro, Tunnel Boring Machine (TBM) `Varada’ is about to finish its innings on Friday. It’s scheduled to finish its second tunnel working to 596 metres and attain breakthrough on the upcoming Langford Metro station. It will likely be dismantled and brought off obligation and solely eight TBMs will proceed work on the 13.8-km Underground Hall for the Nagawara-Kalena Agrahara Line.

The drilling of the second leg, parallel to the primary leg and in the identical path from Rashtriya Army Faculty (Vellara Junction) to Langford started on January 27, 2022. A prime Metro official instructed TNIE, “After tunnelling 194 days, it’s set to emerge at Langford station on Friday. Varada confronted the hurdles of very exhausting rock and blended face throughout its journey and emerged profitable. It might be the primary TBM to wind up its assigned work and depart the underground portion.”

Varada, procured from Herrenknecht in Germany had a relaxation interval of over two months after finishing one spherical and starting the subsequent. Afcons Infrastructure has been contracted with the job by the Bangalore Metro Rail Company Restricted (BMRCL).

Happily, for the reason that work was fully underground inside a tunnel, the rains that lashed Bengaluru didn’t impression the work, the official added.

Whereas Urja and Vindhya have accomplished two tunnels, they’re tunnelling a 3rd leg too. Varada has solely been deliberate for 2 tunnels.

Requested in regards to the future plan of action, the official stated, “The machine can be dismantled into elements. They’d be lifted utilizing a gantry overground after which transported by a trailer to the yard.”

All the opposite TBMs are presently in numerous levels of tunnelling throughout Attain-6.



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