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Singapore LTA T206

Construction of Tunnels at Woodlands
6,150 m Bored Tunnels
6.35 m Diameter EPB Machine

Project: The Thomson Line T206 project include the design and construction of mainline bored tunnels between Woodlands Station & Woodlands South Station and between Woodlands south Station and Sembawang Airbase. It also includes reception bored tunnels between Mandai Depot and crossover tunnels at Sembawang Airbase, associated four launching shafts, two escape shafts and four cross passages. Three 6.35m diameter EPB machines and two 6.35m diameter slurry TBMs will be used to construct the bored tunnels. The contract value is S$421.58 million.

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