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Singapore PUB DTSS T-11

Deep Tunnel Sewerage System
Bored Tunnels
3.0m & 3.3m
Slurry TBMs (Diameter)

The Deep Tunnel Sewerage System Phase 2 T-11 include the design and construction of a 6km South Main Sewerage Tunnel, a 5.5km South Linkway Sewerage Tunnel, fifteen working shafts and related facilities. Two 3.0m diameter slurry TBMs and three 3.3m diameter slurry TBMs. The contract value is S$472.17 million.

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