Singapore Downtown Line 2 Extension (DTL2e) – Tunnels Contract 1

Client / awarding authority
Land Transport Authority (LTA), Singapore

Winning contractor(s)
Woh Hup Engineering Pte Ltd (Singapore)
Underground Technology Engineering Construction Pte Ltd (Singapore)
(joint venture)

Project scope
Design and construction of two mainline railway tunnels and a tunnel connection to Gali Batu Depot, including associated civil works.

Tunnel characteristics

• Two mainline bored tunnels, each approximately 1km long
• Maximum depth of up to 21m
• Tunnelling carried out adjacent to the operational North–South Line and existing infrastructure, including Sungei Pang Sua and Pang Sua Canal
• One cut-and-cover tunnel at Gali Batu Depot forming part of a new reception track

Contract value
S$326m (approximately US$253m)

Duration
Construction start expected in Q2 (year not specified)

Location
North-west Singapore, along the Downtown Line 2 Extension corridor, including Sungei Kadut Avenue and Gali Batu Depot.  For further information please click here. 02/26.