Sam India Builtwell Begins Construction on Chennai Metro Line-3 Under Package UG05-RT-01

Launching Package UG05-RT-01, Sam India Builtwell Utilizes Advanced Technology to Enhance Construction Efficiency

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CHENNAI (Metro Rail News): In expanding Chennai’s metro infrastructure, Sam India Builtwell has initiated construction on the 45.4 km Chennai Metro Line-3 (Purple line) in Phase II. This line will connect Madhavaram Milk Colony and SIPCOT via 49 stations and promises to enhance connectivity and ease commuter traffic across the city.

Sam India conducted an inauguration ceremony for Package UG05-RT-01 at Indira Nagar Station, marking the formal commencement of construction activities, in the presence of Rail Vikas Nigam (RVNL) and Chennai Metro Rail Ltd. (CMRL) officials.

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Inauguration Ceremony. Picture credit- T. Archunan, Director-Projects at Chennai Metro Rail Limited.

CMRL awarded RVNL the Rs. 665.99 crore contract for Package UG05-RT01 in July 2023, setting a deadline of 1725 days (approximately 4.7 years). RVNL subsequently subcontracted the construction work to Sam India Builtwell.

Scope of Work

Package UG05-RT-01 encompasses the construction of three underground stations at Adyar Depot, Indira Nagar, and Taramani Road Junction (Taramani), along with a ramp.

The package includes all works, excluding the diaphragm wall for one underground station at Thiruvanmiyur Metro in Corridor-3 of the CMRL Phase-II Project.

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Tender Notice by CMRL.

Technological Advancements

Sam India deployed a Schwing-XCMG trench cutter machine to kickstart the construction process, exemplifying the integration of advanced technology in metro construction.

The SCHWING – XCMG collaboration brings robust machines like Wheel Loaders, Rotary Drilling Piling Rigs, and Aerial Working Platforms for tough construction sites.

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Picture credit- T. Archunan, Director-Projects at Chennai Metro Rail Limited.

This machine will facilitate grabbing and trenching works to construct the diaphragm wall (D-wall) around Indira Nagar Station, laying the groundwork for future progress.

Milestones in Chennai Metro Phase 2

The commencement of underground work at Indira Nagar Station represents a crucial achievement in the broader context of Chennai Metro Phase 2. With Larsen & Toubro already engaged in tunnelling work since February 2023, the project is steadily progressing towards its targeted completion, promising enhanced urban mobility for Chennai residents.

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CMRL Route Map (Last Updated on 10-05-2023)

As construction advances, anticipation mounts for Chennai Metro Line-3’s transformative impact on redefining the city’s transportation landscape and fostering sustainable development across its diverse neighbourhoods.


Discover the endless possibilities of our city’s Metro at InnoMetro, our flagship Expo and Conference. Be an active participant in shaping its future towards a more sustainable tomorrow. Stay informed and join us to take a step towards a brighter future.

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