Align hits key milestone on HS2 Colne Valley viaduct

Engineers rise to the challenge to complete first V-piers in lakes

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Tsing Yi ,Hong Kong General ,Hong Kong ,Grand Union Canal ,Derbyshire ,United Kingdom ,River Colne ,Essex ,Daniel Altier ,Robert Mcalpine ,Dominique Droniou ,Bouygues ,Union Canal ,Colne Valley Viaduct ,Project Director ,Bouygues Travaux Publics ,Sir Robert Mcalpine ,