HS2 viaduct blunder over wonky concrete segments

A concrete joint on the HS2 Colne Valley viaduct is being drilled out this week after two giant segments on the crossing were misaligned.
Main contractor Align JV – made up of Bouygues Travaux Publics, Sir Robert McAlpine and VolkerFitzpatrick – started remedial work on Monday and hopes to get back on on track with the planned construction schedule next week.
The 3.4km viaduct will be the longest railway bridge in the UK and so far 700 of the 1,000 precast deck segments required to c