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Singapore PUB DTSS T-01

Deep Tunnel Sewerage System-Changi Tunnel
5,800 m Bored Tunnels
7.2 m Diameter EPB Machine

Project: The Deep Tunnel Sewerage System Phase 1 T-01 project is the first design and build project for which STECS undertake in the name of a joint venture with Woh Hup. This project features the use of New Austrian tunneling method and tunnel boring method. A 7.2m diameter EPB Machine was used to construct the bored tunnels. The contract value is S$80.6 million.

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