Having completed the Changi Bound tunnel from LS2 to Woodlands, the re-assembly of S-893 (TBM 1) is taking place at LS1 for the RT3 tunnel drive to Woodlands Station. The TBM is expected to launch next month and breakthrough by mid-2017. TBM 3 has been retrieved from Mandai Depot and is held at the surface of LS2, awaiting to be reassembled for the Changi bound tunnel drive to Woodlands South Station.
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| Launch Shaft 1/ ES1 |
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| Reassembly of S-893 and reaction frame within the shaft |
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| Retrieved TBM 3 shield and cutterhead at LS2 |
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| Tunnelling works on the Changi Bound tunnel to Woodlands still underway (S-894, left shaft) |
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| Permanent drain base slab works at ES2 |
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| RC wall construction on going at Sembawang Airbase C&C tunnel |
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| Spare TBM 5 shield on the shaft surface for the re-drive RT2 tunnel to Mandai Depot |
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| TBM 4 on its initial drive (RT1 to Mandai Depot) |
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| SBAB and MDD |
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| Breakthrough point at Mandai Depot |
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| Mandai Depot |
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| Casting works for the stabling yard and perimeter wall |
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