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Singapore: Road collapse caused by Tunnel Boring Machine
The road collapse last November was caused by a sinkhole which in turn was caused by a TBM undergoing maintenance, according to the Building and Construction Authority (BCA). The Japanese construction company Nishimatsu's TBM was excavating a tunnel for Deep Tunnel Sewerage System (DTSS) Phase 2.
cover tunnel photo by: Matt Brown from London, England / CC BY
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https://www.straitstimes.com/singapore/transport/farrer-road-sinkhole-tunnelling-machine-under-maintenance-when-ground-destabilised
Farrer Road collapse in November a result of tunnelling machine maintenance: BCA
www.straitstimes.comSINGAPORE - In an update more than two months after tunnelling works caused part of Farrer Road to collapse, the Building and Construction Authority (BCA) said a tunnel boring machine (TBM) was undergoing maintenance when the ground in front of it...