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Mark Harris, WS Atkins

Twin towers

WS Atkins' team took a radical 'grand design' approach. After rejecting a number of ideas, including selling the towers off or replacing them with inflatable copies, they opted to remodel the whole stadium around the towers, using them to support the new stadium roof.

'By rotating the stadium 90 degrees and shifting it north a new state of the art stadium could be housed without interference of the towers,' explains engineer Mark Harris.

'This could allow an extended life for the old stadium for games to be played while the new stadium is developed. The towers would require stabilising and recladding.'

Harris believes that they could support a new stadium roof. 'We looked at various options for bringing some structure into the towers,' he explains.

'You could fill the hollow tower shells with concrete and mirror them with new piers at the other side.These could then be used to take the thrust out on an arched roof truss, something like the Sydney Olympic stadium.'

Another option would be to use the towers to support masts for a cable stayed roof similar to the Millennium Stadium in Cardiff.

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