L&T Construction bags contracts to construct Tunnels & Elevated section for Corridor 3 & 4 of Chennai Metro’s Phase-2

The construction arm of L&T has secured large orders from a prestigious Client for its Heavy Civil Infrastructure business in India. The Business has secured an order from Chennai Metro Rail Corporation Limited (CMRL) to construct nearly 12 km Twin Bored tunnels from Kellys station to Taramani Road Junction station.

  • It also involves construction of diaphragm walls of station box and entry / exit structures of Chetpet Metro, Royapettah Govt. Hospital, Thiruvanmiyur Metro Stations and part diaphragm wall of Greenways Road Metro Station, including launching and retrieval shafts in these stations.
  • This underground Metro Rail tunnel package is a part of Corridor 3 of CMRL Phase-II Metro Rail Project and is to be constructed in approximately 52 months by using 8 tunnel boring machines working simultaneously in various stretches of the project.
  • The Business has also secured another order from Chennai Metro Rail Corporation Limited (CMRL) to construct approx 8 Km of elevated Viaduct with 9 elevated Metro Stations starting from Power House to Porur Junction including other associated works.
  • The elevated corridor includes approx. 4 km of double deck construction in which both the decks are used for Metro Rail, which will be the first of its kind in India.
  • This elevated Metro Rail package is a part of Corridor 4 of CMRL Phase-II Metro Rail Project and is to be constructed in 36 Months.

Additional Details:

  • These projects are the first packages of Phase – II which have been awarded by Chennai Metro Rail.
  • Both the projects were bagged under stiff competition from domestic and international metro construction players.
  • L&T will deploy the state-of-the-art construction methods and digital technologies to build these prestigious projects.

About Chennai Metro’s Phase-2:

Considering the demand for fast, safe, efficient and sustainable public transport system, CMRL’s Phase-II project is being planned for 118.9 kms in three corridors viz. Corridors-3, 4 and 5 at an estimated cost of Rs. 61,843 Cr supported by Government of India, Government of Tamil Nadu, JICA, ADB, AIIB and NDB.

  • Corridor-3: Madhavaram to SIPCOT covering 45.8 Km is a North South Corridor connecting the prime locations like IT Corridor, Adayar, Mylapore and Purasaiwalkam with 50 Metro Stations comprising of 20 Elevated Metro stations and 30 Underground Metro Stations.
  • Corridor-4: Lighthouse to Poonamallee Bypass covering 26.1 Km is the East West Corridor covering the commercial hubs of city viz. Nandanam, T.Nagar, Vadapalani, Valasaravakkam, Porur and Poonamallee with 30 Metro Stations comprising of 18 Elevated Metro stations and 12 Underground Metro Stations.
  • Corridor-5: Madhavaram to Sholinganallur covering 47.0 Km is the orbital corridor connecting prime locations viz., Villivakkam, Anna Nagar, Koyambedu, Virugambakkam, Ramapuram, Madipakkam and Medavakkam with 48 Metro Stations comprising of 42 Elevated Metro stations and 6 Underground Metro Stations.
  • Foundation Stone for 109 Km network of Phase-2 of Chennai Metro Rail Project was laid by the Union Minister for Home Affairs, Shri Amit Shah on 21-11-2020 at Kalaivanar Arangam, Chennai.
  • The Phase-II of Chennai Metro Rail Project with a total length of 118.9 km with estimated completion cost of Rs.61,843 crore has been approved by the Government of Tamil Nadu. 
  • With expected expenditure of Rs. 61,843 cr in next 5 years, Chennai city will get total metro network of 173 km by 2026.

About Larsen & Toubro:

Larsen & Toubro is an Indian multinational engaged in EPC Projects, Hi-Tech Manufacturing and Services with over USD 21 billion in revenue. It operates in over 30 countries worldwide. A strong, customer–focused approach and the constant quest for top-class quality have enabled L&T to attain and sustain leadership in its major lines of business for eight decades.


Source: L&T-Press Release | Image Credit (representational): CMRL