HS2's giant bridge building machine swings into action – video - Construction Enquirer

7,000 tonne machine launches first giant deck segment for Colne Valley viaduct

A 7,000t launching girder will install 1,000 individual segments across the 3.4km long viaduct route across a series of lakes and waterways between Hillingdon and the M25. Originally built in 2004, … [+2444 chars]

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