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SBB BAUFELD E – STADTRAUM HB, ZÜRICH

Competition 2007

The proposal layers the functions horizontally resulting in deep floor slabs that are lit with internal courts and light wells. Since all the layers have different spatial and structural requirements a flexible hexagonal module has been adopted. Each hexagon is supported by three “ribbon columns” that can change orientation relative to the module and move from corner to corner. This allows for smooth adjustments between floors without expensive and inefficient transfer structure. In the front area of the building the ribbon columns run diagonally through the floors and together with vertical tension rods form a large truss supporting the cantilevered front of the building.

The three housing types are separated by roof gardens providing a variety of spaces, public and private, on the upper floors.

CREDITS