dairy circle: Bengaluru: Two more tunnelling milestones for Namma Metro | Bengaluru News – Times of India

BENGALURU: Two tunnel boring machines (TBMs) achieved breakthrough on Thursday, completing tunneling from Rashtriya Military School (Vellara) to Langford Town Metro station and from South Ramp (near Swagath Road Cross) to Dairy Circle station.
TBM Varada, launched on March 12 at Vellara, completed drilling a distance of 594 metres and emerged at Langford Town station, while TBM Rudra, launched on April 23 at South Ramp, completed drilling 614 metres to Dairy Circle.
“At present, TBM Rudra is drilling further between Dairy Circle and Lakkasandra,” a BMRCL official said.
Afcons Infrastructure Limited, which is excavating the underground Metro section between Dairy Circle and Langford Town, has deployed three TBMs — Rudra, Vamika and Varada.
Fourth breakthrough

The milestones on Thursday marked the fourth breakthrough in the city’s longest underground tunnel (the 21km Pink Line) connecting Nagawara and Kalena Agrahara (18 stations). According to BMRCL officials, both the elevated and underground sections will be operational by March 2025.

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Sagar Biswas

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