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T316
Underground Infrastructure
Changi Airport
Twin bored tunnels from Changi Airport Terminal 5 to Changi Airport (CGA) Station Terminal 2
Singapore LTA DTL3 C923A
Construction of Tunnels between Tampines East and Upper Changi Stations
4,760m
Bored Tunnels
6.35m Dia.
EPB Machine
The Downtown Line Stage 3 C923A project include the construction of tunnels between Tampines East and Upper Changi Stations with a total length of 4.76km, a TBM launching shaft and eight cross passages. Two 6.35m diameter EPB machines were used to construct the bored tunnels. The contract value is S$91.13 million.
Tampines East Tunnel C923A
Tampines East C923A
Tampines East C923A
Tampines East Tunnel C923A
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