In a first for Namma Metro, Urja drills 27 meters in single day
2 years, 7 months ago

In a first for Namma Metro, Urja drills 27 meters in single day

The Hindu  

In a first for the Namma Metro project, Tunnel Boring Machine Urja drilled a distance of 27 meters on April 25. There are nine TBMs deployed to build a tunnel network for a distance of 14 km under the phase II of Namma Metro project. “Favourable geographical conditions, continuous supervision, and skilled manpower who change rings are prominent factors for TBM drilling a distance of 27 meters in a single day. Luckily, for Urja, there were conducive geographical conditions in its path.” Urja was first deployed by the contractor to tunnel a distance of 855 meters from Cantonment to Shivajinagar.

Cantonment Distance Task Tunnel Deployed Meters Shivajinagar Namma Namma Metro Bmrcl Nagawara Tbm Urja Pottery Town Parwez 27 Meters Tbms  road  urja  metro  distance  tbms  day  deployed  27  namma  single  tbm  task  tunnel  meters  drills  pottery

History of this topic

TBM Tunga achieves breakthrough after tunnelling 936.6 metres in Bengaluru
3 months, 2 weeks ago

TBM Tunga achieves breakthrough after tunnelling 936.6 metres in Bengaluru

The Hindu  

Bangalore Metro Rail Corporation Limited’s Tunnel Boring Machine Tunga achieved a breakthrough on September 4 after tunnelling 936.6 metres between Kadugondanahalli station and Nagawara station’s South Cut and Cover Shaft. In July, TBM Tunga, which was working on the Pink Line of Namma Metro, had set a new record by tunnelling 308 metres between K.G. It surpassed the previous record …

DMRC Completes 865-metre Tunnel For Tughlakabad-Aerocity Metro Corridor
4 months ago

DMRC Completes 865-metre Tunnel For Tughlakabad-Aerocity Metro Corridor

News 18  

Delhi Metro Rail Corporation has completed the tunnel work between Chhatarpur and Chhatarpur Mandir station on the Golden Line of Tughlakabad-Aerocity Corridor. Delhi Lieutenant Governor VK Saxena and Transport Minister Kailash Gehlot attended the ceremony held on the occasion of the completion of the tunnel work. 97-meter-long tunnel boring machine was used to build the tunnel between Chhatarpur and Chhatarpur …

Namma Metro tunnel boring machine Tunga sets new record in Bengaluru
4 months, 3 weeks ago

Namma Metro tunnel boring machine Tunga sets new record in Bengaluru

The Hindu  

Namma Metro’s Tunnel Boring Machine Tunga has set a new record. In July, Tunga tunnelled through 308 metres, surpassing the previous record of 273 metres set by TBM Urja in May 2022, according to Bangalore Metro Rail Corporation Limited. This surpasses the previous record of 273 metres set by TBM Urja between Cantonment and Pottery Town in May 2022.” BMRCL …

Namma Metro’s Pink Line tunnelling deadline at risk due to rocky terrain challenges
6 months, 2 weeks ago

Namma Metro’s Pink Line tunnelling deadline at risk due to rocky terrain challenges

The Hindu  

The two Tunnel Boring Machines working on the underground section of the Pink Line for the Bengaluru Metro from Kalena Agrahara to Nagawara might not meet the tunnelling deadline of August 2024 because of rocky terrain. Tunga and Bhadra, two tunnel boring machines, are excavating the last section of the underground Pink Line. The Pink Line, stretching over 21.26 km …

Mumbai-Ahmedabad Bullet Train On Right Track: Ghansoli Tunnel Excavation Complete
6 months, 3 weeks ago

Mumbai-Ahmedabad Bullet Train On Right Track: Ghansoli Tunnel Excavation Complete

News 18  

In a significant development for the Mumbai-Ahmedabad bullet train project, a 394-meter-long Additionally Driven Intermediate Tunnel at Ghansoli has been successfully excavated. The 26-meter-deep inclined ADIT will support the construction of a 3.3-km tunnel segment using the New Austrian Tunnelling Method, allowing simultaneous tunnelling approximately 1.6 meters on each side. These include Surface Settlement Points, Optical Displacement Sensors or tilt …

Chennai Metro’s phase II project tunnelling work picking up pace
1 year, 7 months ago

Chennai Metro’s phase II project tunnelling work picking up pace

The Hindu  

One of the first tunnel boring machines that began boring in the city from north Chennai for Chennai Metro Rail Ltd.’s phase II project is expected to reach its first destination next month. Two TBMs — Anaimalai and Servarayan – will create a tunnel from Madhavaram to Venugopal Nagar under Corridor 5 of the ₹61,843-crore phase II project. According to …

72% of Pink Line tunnel works completed; four out of nine tunnel boring machines done with task, says BMRCL
1 year, 10 months ago

72% of Pink Line tunnel works completed; four out of nine tunnel boring machines done with task, says BMRCL

The Hindu  

The Bangalore Metro Rail Corporation Ltd. has completed 72% of tunnel work under phase II of Namma Metro. To build the tunnel network, the BMRCL had deployed nine tunnel boring machines. Two packages almost complete Anjum Parwez, MD of BMRCL, said: “The tunnel works of two packages awarded to L&T from Shaadi Mahal on Tannery Road to Rashtriya Military School …

Special tunnel boring machines to be deployed for Chennai Metro’s phase II project
2 years, 2 months ago

Special tunnel boring machines to be deployed for Chennai Metro’s phase II project

The Hindu  

As the city gets ready to witness massive tunnelling operations for the next few years for the 118.9-km phase II project, Chennai Metro Rail Ltd. plans to deploy two specialised machines for handling some portions of the underground work. This is because the transport utility is anticipating some challenging geological conditions and plans to use two special tunnel boring machines. …

Chennai Metro’s phase II tunnelling work gets under way at Madhavaram
2 years, 2 months ago

Chennai Metro’s phase II tunnelling work gets under way at Madhavaram

The Hindu  

Watch | Chennai Metro Rail’s phase II tunneling work begins at Madhavaram Ten years after the first tunnel boring machine was pressed into service at Nehru Park, Chief Minister M.K. It will take nearly 140 days for this machine to drill the earth from Madhavaram Milk Colony to Madhavaram High Road, a distance of 1.4 km. #Chennai Metro Rail's phase …

Chennai Metro to deploy made in India tunnel boring machines for Phase II project
2 years, 4 months ago

Chennai Metro to deploy made in India tunnel boring machines for Phase II project

The Hindu  

Chennai Metro Rail Ltd. is all set to deploy made in India tunnel boring machines for its Phase II project. According to CMRL officials, of the 23 TBMs to be used in the project, 12 would be from Tamil Nadu, five from China, one from Germany and one from Pune respectively. The status of four TBMs is not known yet …

400m-long rock delays tunnel excavation work of Pune Metro
2 years, 6 months ago

400m-long rock delays tunnel excavation work of Pune Metro

Hindustan Times  

The Maharashtra Metro Rail Corporation Limited will have to extend its May 31 deadline of excavation work by 10-15 days as 25-metre tunnel work is remaining. The proposed metro line will have two tunnels of which Range Hill to Swargate was completed on January 14, 2022, and work of the second tunnel started on December 9, 2019. “Since the tunnel …

Namma Metro: Tunnel boring machine emerges at Shivajinagar
3 years, 3 months ago

Namma Metro: Tunnel boring machine emerges at Shivajinagar

The Hindu  

The tunnel boring machine Urja emerged at Shivajinagar on Wednesday morning after covering a distance of 855 metres. Jubilant metro workers who have been part of the tunnel work for over a year cheered loudly as the head of the TBM emerged at the under-construction Shivajinagar underground station on the Pink Line from Kalenga Agrahara to Nagawara. Bangalore Metro Rail …

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