+
L&T commences Chennai Metro Ph 2 tunnelling with TBM Siruvani
RAILWAYS & METRO RAIL

L&T commences Chennai Metro Ph 2 tunnelling with TBM Siruvani

Larsen & Toubro (L&T) officially put into operation tunnel boring machine (TBM) DZ1040, affectionately named Siruvani, as a pivotal milestone in the Chennai Metro Phase 2 project. This impressive 6.65-meter Earth Pressure Balance (EPB) machine represents the third out of a total of eight TBMs scheduled to commence tunnelling activities for Line-3's Package TU-02, connecting the Kellys and Taramani Road Junction stations.

The TBM Siruvani, crafted by China Railway Construction Heavy Industry (CRCHI), successfully completed rigorous factory acceptance tests during the summer of 2022. It is now geared up to embark on its journey southward from Chetpet Station towards Sterling Road, initially covering a distance of approximately 705 meters.

L&T, the designated project contractor, will deploy TBM Siruvani along with seven other TBMs to construct an impressive network of 12 twin tunnels, totalling a remarkable 24 kilometres between the Kellys and Taramani Road Junction stations. The contract for Package TU-02, valued at Rs 23.85 billion, was entrusted to L&T by Chennai Metro Rail. (CMRL) in May 2021, with a deadline set at 42 months.

In addition to the tunnel construction, L&T is also tasked with the construction of diaphragm walls and entry/exit structures at several stations, including Chetpet Station, Royapettah Government Hospital Station, Thiruvanmiyur Station, and a section of the diaphragm wall at Greenways Road Station. This encompasses the construction of launching and retrieval shafts at these respective stations.

In June, L&T initiated the intricate process of lowering the components of TBM Siruvani into Chetpet Station. Up to this point, the machine has assembled two temporary rings within the shaft for its initial drive, with plans to attach its backup gantry for the primary drive in the near future.

Larsen & Toubro (L&T) officially put into operation tunnel boring machine (TBM) DZ1040, affectionately named Siruvani, as a pivotal milestone in the Chennai Metro Phase 2 project. This impressive 6.65-meter Earth Pressure Balance (EPB) machine represents the third out of a total of eight TBMs scheduled to commence tunnelling activities for Line-3's Package TU-02, connecting the Kellys and Taramani Road Junction stations.The TBM Siruvani, crafted by China Railway Construction Heavy Industry (CRCHI), successfully completed rigorous factory acceptance tests during the summer of 2022. It is now geared up to embark on its journey southward from Chetpet Station towards Sterling Road, initially covering a distance of approximately 705 meters.L&T, the designated project contractor, will deploy TBM Siruvani along with seven other TBMs to construct an impressive network of 12 twin tunnels, totalling a remarkable 24 kilometres between the Kellys and Taramani Road Junction stations. The contract for Package TU-02, valued at Rs 23.85 billion, was entrusted to L&T by Chennai Metro Rail. (CMRL) in May 2021, with a deadline set at 42 months.In addition to the tunnel construction, L&T is also tasked with the construction of diaphragm walls and entry/exit structures at several stations, including Chetpet Station, Royapettah Government Hospital Station, Thiruvanmiyur Station, and a section of the diaphragm wall at Greenways Road Station. This encompasses the construction of launching and retrieval shafts at these respective stations.In June, L&T initiated the intricate process of lowering the components of TBM Siruvani into Chetpet Station. Up to this point, the machine has assembled two temporary rings within the shaft for its initial drive, with plans to attach its backup gantry for the primary drive in the near future.

Next Story
Technology

Six ways a smarter workflow leads to faster, more accurate bids

In today’s fast-paced civil construction environment, estimators need more than just solid numbers. They need smart, streamlined processes. This article explores six key ways connected workflows can transform the estimated approach, help in minimising risk, move faster, and improve accuracy. By integrating tools, data, and teams, one can produce stronger bids with less rework, fewer surprises, and more confidence. As an estimator, the job goes beyond producing numbers. They are responsible for delivering bids that are fast, accurate, and built to win. In today’s civil construction ind..

Next Story
Real Estate

Experion Launches Women-Only Co-Living Project in Greater Noida

Experion, part of Singapore-based AT Capital Group, has launched its first co-living space under its managed rental housing brand, VLIV, in Greater Noida. The all-women residence features 730 twin-sharing beds with a strong focus on safety, comfort, and well-being. VLIV has committed a $300 million investment to create a structured, service-led rental housing ecosystem in India. The brand aims to scale up to 20,000 beds in the next few years, with a long-term target of 100,000 beds nationwide. “India’s rental housing is fragmented. VLIV is our way of building long-term, dependabl..

Next Story
Infrastructure Urban

Officine Maccaferri Acquires CPT to Bolster Tunnelling Tech

Ambienta’s platform company, Officine Maccaferri S.p.A., has acquired CPT Group, a leading Italian developer of robotic prefabrication systems and digital control technologies for mechanised tunnelling. The move positions Maccaferri as a global player in integrated tunnelling solutions, blending traditional and advanced mechanised systems. Based in Nova Milanese, CPT serves major global contractors across Europe, Southeast Asia, and Australia. The company offers robotic prefabrication (Robofactory), productivity-monitoring software for Tunnel Boring Machines (TBMs), and eco-designed spa..

Advertisement

Subscribe to Our Newsletter

Get daily newsletters around different themes from Construction world.

STAY CONNECTED

Advertisement

Advertisement

Advertisement

Talk to us?