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Hearst Memorial Mining Building Fact Sheet

The Building    
Date completed August 1907
Architect   John Galen Howard
Donor   Phoebe Apperson Hearst, in memory of her husband, U.S. Senator George Hearst, a prosperous miner who died in 1891
Construction   Steel and granite
Size   4 floors, 60 million pounds, 135,000 square feet
Location   800 feet west of the Hayward Fault
Cost of initial
Total cost after

It was the world’s largest building devoted to mining education at a time when mining was at its peak. The Bay Area was built largely on the gold and silver mining booms, and UC had the largest mining college in the world, with one-fifth of its male undergraduates studying the profession.


The Retrofit  
Time 4 years
Cost   $90.6 million
Technology   The retrofit included construction of 134 steel and rubber laminated composite columns, called base isolators, which can move 28 inches in any horizontal direction to allow the building to safely ride out earthquakes. The technology was pioneered by UC Berkeley engineers more than 20 years ago.
Architect   NBBJ
Builders   Turner Construction Company
Structural engineers   Rutherford & Chekene
Financial support   Individual and corporate donors, state funding

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