Samsung C&T among contractors for $860mn Singapore North-South Corridor tunnel

Singapore’s Land Transport Authority has selected contractors for its North-South Corridor (NSC) road tunnel project.
Two civil contracts worth a combined $860mn have been awarded to Samsung C&T Corporation and a joint venture between Leighton Contractors and Yongnam Engineering & Construction.
Samsung C&T will be responsible for the construction of a section of the NSC tunnel between Toa Payoh Rise and Marymount Lane – a 1.37km stretch valued at $448mn.
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Samsung C&T Corporation is an established contractor in South Korea and has completed numerous road and railway infrastructure projects in the country and abroad, including in Singapore.
Its Singapore portfolio includes a 1.75km stretch of the Marina Coastal Expressway, the North-South Line’s Marina South Pier Station as well as the Downtown Line 3’s Expo and Upper Changi Stations.
Leighton Contractors and Yongnam Engineering & Construction will complete the other tunnel section between Kampong Java Road and Suffolk Walk, a 0.64km section valued at around $370mn.
The 21.5km NSC is Singapore’s first integrated transport corridor, featuring continuous bus lanes and cycling trunk routes, and is expected to be completed in 2026.
Leighton also has a track record in Singapore. Already well-established in Australia, the company has completed work on the Jalan Besar Station and tunnels on the Downtown Line. It is also currently involved in the construction of Springleaf Station on the Thomson-East Coast Line.
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