Align hits key milestone on HS2 Colne Valley viaduct
Construction Enquirer
MAY 31, 2023
Cofferdams were used to hold back the water while the 60m deep foundations were built into the bed of the lakes. Originally built in 2004, the launching girder was first used during the construction of the Hong Kong East Tsing Yi Viaduct. Each pier weighs around 1,800 tonnes and took nine months to complete.
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