Rule number one of Bay Area building? Avoid the fault lines. Violator number one of rule number one? UC Berkeley's Memorial Stadium, which was built smack on top of the Hayward Fault in 1922. The US Geological Survey once called the rift under the beaux arts arena a "tectonic time bomb," and the stadium has already moved enough for the concrete walls to crack. University reps hope that a $321 million unique, flexible retrofit, designed by a team of structural engineers, seismologists, and geologists, will keep things from getting any worse.
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