CRCHI delivers two TBMs for Bangalore Metro Phase 2’s Tunneling

According to plan, L&T will deploy TBM DZ669 (Avni) 1st from Shivaji Nagar Station to construct tunnels on 2.755 km section of package RT-02 (Vellara Road Station–Shivaji Nagar).

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Two TBMs for Bangalore Metro Phase 2 delivered by CRCHI
Two TBMs for Bangalore Metro Phase 2 delivered by CRCHI

Bengaluru, India (Metro Rail News): Larsen & Toubro (L&T) Construction receives two tunnel boring machines (TBMs) for the construction of underground (UG) tunnels on 13.885 km Dairy Circle – Nagawara section of Bangalore Metro Phase 2 project in Bangaluru on 20th February 2020. 

China Railway Construction Heavy Industry (CRCHI), a Chinese Tunnel Boring Machine manufacturer has delivered Both TBMs i.e. DZ669 (Avni) and DZ670 (Urja) successfully. 

Both TBMs will deploy for excavating and building tunnels on Dairy Circle–Nagawara underground section of Bangalore Metro’s Line-4 (Reach 6) by L&T Construction. This section is part of the 73.92 km long network of Bangalore Metro Phase 2 project.

Both Ø6.65m slurry TBMs were dispatched to Bengaluru by China Railway Construction Heavy Industry Co., Ltd. (CRCHI) in November 2019 after completing factory acceptance tests (FAT) at Changsha plant, China.

Both TBMs 1st arrived at Chennai Port in the first week of February 2020 after that its parts were loaded on the trailers and transport to Bangalore by road.

According to plan, L&T will deploy TBM DZ669 (Avni) 1st from Shivaji Nagar Station to construct tunnels on 2.755 km section of package RT-02 (Vellara Road Station–Shivaji Nagar). 

The 2nd TBM DZ670 (Urja) will be deployed from Cantonment Station to construct tunnels on the 2.884 km section of package RT-03 (Shivaji Nagar Station–Tannery Road). After this TBM (Lavi) will follow the TBM DZ669 (Avni) and TBM Vindhya will follow TBM DZ670 (Urja). 

TBM Lavi passed the Factory Acceptance Test in December 2019.

In January 2018, Bangalore Metro Rail Corporation had decided to place the Cantonment Station at Bamboo Bazaar instead of the original location which was closer to the Railway Station.

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