Sports, Leisure & Arts
Part of a £150 million project to convert the 2012 London Olympic Stadium for long-term use as both a football and athletics stadium. The new roof is an innovative gravity-stressed design, and is now the largest spanning tensile roof in the world, with every seat in the stadium covered by the new roof.
The new structure includes 8km of steel cables weighing 930 tonnes, 112 steel rafters, 2,308 purlins, 422 struts, 9,900 roof panels and 14 light paddles each weighing 43 tonnes, with the whole structure weighing in at around 4,700 tonnes which is nearly six times the weight of its predecessor.