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DBI outlines performance-based review, peer review for tall buildings and Transbay context
Summary
DBI described its approach to tall-building seismic and fire-safety review, including performance-based design guidance, three-level seismic performance objectives and structural peer review. Commissioners asked about redundancy, firefighter elevators and collapse zones for proposed Transbay tower.
DBI engineers told the joint hearing that San Francisco evaluates tall buildings through the California Building Code with local amendments, supplemented by a performance-based approach and peer review for landmark projects such as the proposed Transbay tower.
Ray Louie, a structural engineer with DBI, said tall-building design follows national and state standards but that the…
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