Except Integrated Sustainability
Except Integrated sustainability.
Flourish in a changing world.
Multi-disciplinary consulting, innovation and development organization working on advanced sustainability projects around the globe.

San Francisco Transbay Terminal

Project > World's largest ecological rooftop

The San Francisco Transbay redevelopment project realizes the world’s largest rooftop park in the center of one of the world’s most exciting cities.

The concept, developed by Except together with Pelli Clarke Pelli Architects, restructures the existing transport hub in the city center. It features innovations such as water purification, air filtration, ecosystem services, improved biodiversity, and adds an exhilarating new green space in the center of the city.

The transbay terminal will be completed in 2017. You can follow  the construction progress here.

This isometric diagram shows the vertical integration of services The park as seen from above The park seen as a visitor Diagram of the various activities and biodiversity of the park An exploded view of the structure of the Transbay terminal

From concept to execution

The Transbay terminal redevelopment was one of the largest architectural competitions to be held in the past decade. We worked with architecture office Pelli Clarke Pelli on conceptual design, presentation and visualization throughout the process, made the case for a true ecological rooftop park, and won.

Finally, the world will be able to see that a rooftop park can be more than potted plants and a lonely olive tree, and become a true ecological entity, providing spatial quality, health benefits, economic value and biodiversity.

On September 20th 2007, the TJPA competition panel announced that we had won the competition in favor of Skidmore Owens & Merril and Richard Rogers. The project is currently being executed and will be finished in 2017. The construction status with cameras can be found on the Transbay website.

Celebrated Example

The transbay competition revolved around the replacement of the existing Transbay transportation hub, and the creation of a signature tower for the city of San Francisco. The environmental concerns were considerable, the development time short, and the stakes high. Pelli Clarke Pelli hired Except to jointly develop the conceptual design and the environmental concept. Together with our environmental engineering partner   Atelier Ten the Transbay design culminated in a globally unique proposition. Among the areas of involvement of Except were the main concept development, roof park, ecological system, water features, funiculars, main square, bridge connections and landscape design.

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Except Integrated Sustainability

Tom Bosschaert
Director

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Phone   +31 10 7370215