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Crossrail

Programme

2015 - Ongoing

Sectors

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We were asked by Laing O’Rourke to evaluate the detail design and installation of the Crossrail tunnel lining. After we presented our initial findings we were commissioned to develop the design and installation principles of the lining system and apply it, initially to Tottenham Court Road and Liverpool Street stations.

The precise and elegant ‘LOR’ solution was adopted by Crossrail as their preferred solution. Other Crossrail contractors’ groups approached LOR to provide the lining system throughout the Crossrail network.

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Applying the benefits of manufacturing

The LOR solution follows manufacturing principles, unlike the site-based solutions typical in civil engineering and infrastructure projects. The tunnel lining is largely independent from the sprayed concrete retaining walls, so it is subject only to its own high-tolerance manufacturing process. The result is a much more accurate finished assembly.

The panel installation process is like an assembly line, where the tolerance has been predetermined at design stage. Accuracy is maintained through the use of Computer Numerical Control (CNC) cutting and forming machinery. 

The Crossrail project is, by necessity, at the leading edge of manufactured construction solutions. Applying manufactured solution techniques avoided many thousands of hours of site work.

Exceptional engineering. And it looks beautiful.

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100 Gray's Inn Road, London, WC1X 8AL