BANGALORE, INDIA (Metro Rail News): On Wednesday, Bangalore Metro’s Tunnel Boring Machine (TBM) Urja, drilling between Cantonment station and Shivaji Nagar station, will achieve a breakthrough at 10:15 AM in the presence of Karnataka Chief Minister Shri Basavaraj Bommai.
According to officials, Urja, drilling 855 M for over a year now, will be the first TBM to achieve a breakthrough on Namma Metro’s Pink Line from Kalenga Agrahara to Nagawara (21 KMs).
“Urja is making a breakthrough at 10 AM in the presence of the chief minister. This breakthrough is an important development in tunnel work of Namma Metro Phase-02 project,” said Anjum Parwez, MD, BMRCL.
Urja is around 102 M long with a cost of Rs. 70 crores. Officials said that another machine, Vindhya, is also building a parallel tunnel a few M away. Urja, deployed by Larsen & Toubro (L&T), was the first TBM to commence drilling in August 2020, and it was supposed to be completed in nine months. But due to the pandemic, the work was delayed, said BMRCL officials.
Namma Metro pink line underground station project, we have deployed nine TBMs for the tunnel work, from Dairy Circle to Nagawara 14 KMs stretch. Among the nine, seven TBMs are working now”, said BMRCL chief PRO BL Yeshwanth Chavan.
According to the given information, (i) Bhadra TBM is drilling from Venkateshpura Station to the retrieval shaft and has completed 84 M (ii) Tunga is drilling in the same direction and has completed 65.8 M (iii) Avni is drilling from Shivaji Nagar to Rashtriya Military School and has completed 636.6 M (iv) Lavi is drilling in the same direction and has completed 349.8 M, while Rudra is drilling from South Ramp to Dairy Circle and has completed 340 M. Varada is drilling from Rashtriya Military School to Langford metro station and has completed 436 M. Vamika is drilling in the same direction and has completed 140 M.