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ALL CHANGE

Singapore's new Expo station on the Changi Airport Mass Rapid Transport extension opened last week.

Featuring two dramatic Arupdesigned roof structures, the station is designed to handle up to 17,000 passengers a day.

Platforms are elevated above a ground level concourse and protected by a 200m long titanium-clad torus roof made up of a diagrid of steel members supported on only two Vshaped columns. Overlapping one end is a 38m diameter stainless steel disc roof which covers the ticket hall.

Architect for the project was Foster & Partners in association with Singapore's Public Works Authority and Land Transport Authority. The Land Transport Authority was also responsible for the civil, mechanical and electrical engineering.

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