L&T’s TBM Lavi Relaunched from Bangalore Metro’s MG Road Station

Larsen & Toubro’s Tunnel Boring Machine Lavi (DZ672) on Friday was recommissioned from MG Road Station to Vellara (RMS) Station for its final journey to build Bangalore Metro’s 21.386 km Pink Line (Reach 6)

This CRCHI slurry machine had recorded its 1st breakthrough on April 15 after constructing a 1076m tunnel between Shivajinagar and MG Road for Bangalore Metro Phase 2 project’s 2.755 km underground Package RT-02.

L&T took just 28 days to drag Lavi 200 meters from the northern-end of MG Road Station’s box to the southern-end using hydraulic jacks, refurbish critical components (like cutter discs) and recommission it – making it the fastest relaunch in Bangalore Metro’s construction history.

In comparison – L&T took 58 days to recommission Lavi’s sister machine Avni, which went through the same journey months prior, towards Vellara Junction (National Military School) Station.

The distance from MG Road to National Military School is approximately 1134 meters which L&T hopes to cover in 331 days.

So far approximately 39% of tunneling work for Phase 2 (total scope: 20,855m) has been completed with 7 out of 26 breakthroughs recorded: 3 on Package RT-01 by Afcons, 2 on RT-02 by L&T, 2 on RT-03 by L&T, and 0 on RT-04 by ITD Cementation.

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– TMRG