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California Memorial Stadium

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Photo by Tim Griffith
A network of five shoring and underpinning systems preserved a historic facade, rising 90 ft high in places.
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A poor seismic safety rating and general deterioration prompted the University of California, Berkeley, to undertake $300 million in renovations for the California Memorial Stadium, built in 1913. Because it is sited above an active fault, engineers treated it as a series of discrete blocks, each capable of accommodating up to 2 ft of vertical and 6 ft of horizontal movement during an earthquake. A network of five shoring and underpinning systems preserved a historic facade, rising 90 ft high in places, as crews demolished interior spaces. The facade provided a shell for 50,000 cu yd of new concrete. 

Project Team

Owner: University of California

Contractor: Webcor Builders, San Francisco

Designer: HNTB Architecture, Los Angeles

Assoc. Architect: STUDIOS Architecture, San Fran.

Structural Engineers: AJ Miller & Associates, Oakland; Forell/Elsesser Engineers Inc., San Francisco

Civil Engineer: Bellecci & Associates, Concord

MEP Engineer: WSP Group, San Francisco



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