Wednesday, 20 May 2015

Prison Shaft (II)

The final TBM is now 142 rings (approx ~199m, 55% completion) into the excavation of the BP bound tunnel from the Prison Shaft towards Tampines West. At the present rate, the breakthrough can be anticipated by mid June. The Land Transport Authority shared some photographs of the shaft taken earlier last month after the launch of the BP bound TBM.

Completed tunnels towards Bedok Reservoir
Gantry Crane hoisting up the muck
Inside the Expo bound TBM
Precast RC ring segment

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