HS2 completes foundation work for railway bridge - CILT(UK)
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HS2 completes foundation work for railway bridge

31 January 2023/Categories: Rail, Transport Planning

The last of 292 concrete piles that will form the foundations for the UK’s longest railway bridge were installed this week at the site of HS2’s Colne Valley Viaduct.

Once complete, the 2.1 miles (3.4km) bridge will carry the new high-speed rail line across a series of lakes and waterways near Hillingdon on the north-west outskirts of London.

The construction of the foundations, the 56 huge piers and the deck on top, have all been happening in parallel – with separate teams working from north to south. Deck assembly began last year, with more than 500 meters of the viaduct structure now complete.

In order to deliver the 66 piles in the lakebed, the team first had to construct over a kilometer of temporary jetties, with cofferdams to hold back the water around each set of foundations. The jetties are also used to transport materials and equipment during the construction of the piers and viaduct deck, keeping vehicles off local roads.

Construction of the HS2 project - which is designed to improve rail links between London, Birmingham and North, help level-up the economy and provide a low carbon alternative to car and air travel - is ramping up across the UK with almost 30,000 jobs now supported by the project.


David Emms, Project Client, HS2, said:

“Once complete, HS2 will transform journeys across the UK, help to boost the economy and support the UK’s transition to net zero.”

Derek van Rensburg, Surface Operations Director, Align, said:

“Completing the piling is a great achievement for both Align and the team at KVJV, working over the lakes and waterways across the Colne Valley. We were able to complete the piling with no significant impact on the environment, a great result for the whole team.”



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