The Westfield San Francisco Centre is a $460 million, 1.5 million sf mega structure, spanning 2 city blocks in downtown San Francisco. The project involved the redevelopment of the Emporium building, originally constructed in the late 1800’s. The development includes a new retail center and three new office floors.

The project included a number of interesting challenges requiring creative structural solutions, such as: lifting of historic dome 60 ft and incorporation of historic dome and façade in final design, long-span pedestrian bridges, retrofit of existing center with fluid viscous dampers, expansive, disparate floor openings at every level.

The second phase of the project, involved the seismic retrofit of the neighboring existing San Francisco Center (Nordstrom Building) using 108 fluid viscous dampers.

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