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How will S.F.’s tallest buildings fare in the next big earthquake? Report expresses concerns

San Francisco’s tall buildings may be at risk of damage during the next big earthquake, a study released by research nonprofit Applied Technology Council (ATC) last week warns.

The 36-page report outlines vulnerability concerns over outdated building standards and provides a strategy for proactive safety checks.

The study’s release comes just days after cracks were found in two steel beams of San Francisco’s newly minted $2.2 billion Transbay Transit Center, and as Millennium Tower next door continues to sink and tilt. Last year, the late Mayor Ed Lee commissioned the report, which was prepared by a group of engineers.

The report probed the city’s 156 tallest buildings — either constructed or permitted for construction — that are at least 240 feet high, primarily located in San Francisco’s Financial District. About 60 percent of these buildings house business and office space, while the rest are zoned residential.

 

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