An update of a National Institute of Building Sciences study on benefit-to-cost ratios of hazard-mitigation investments has determined an 11:1 BCR over time for jurisdictions that have adopted model building code updates versus those that still use codes from the 1990s.

San Francisco is seeking input from technical experts on its landmark tall-buildings seismic safety study. Suggestions from seismic design professionals, especially about code reform, will help inform the city’s path forward.

To grease the wheels of mass timber building construction in the state, the California Government Operations Agency is holding a developer-design competition for commercial and multifamily mass-timber building projects.

With floors 10 and 11 of Seattle’s 58-story Rainier Square Tower under construction concurrently, crews from the Erection Co. are meeting or exceeding speed predictions for the radical composite steel frame’s steel erection, core welding and core concrete casting.

On Jan. 10, the Transbay Joint Powers Authority announced that procurement has begun for the repair of the two fractured bottom flanges of the twin parallel girders that span 80 ft across Fremont Street in the 4.5-block-long Salesforce Transit Center in San Francisco.

The son of a pioneer bush pilot in Alaska, structural engineer John Aho spent decades working toward earthquake preparedness. 

Raised in Venezuela, U.S. citizen Andres Lepage considers his adopted homeland the “best country in the world.”

The underlying causes of the trouble at San Francisco’s 4.5-block-long Salesforce Transit Center are coming into focus.

The steel fabricator for the third-floor tapered, built-up plate girders at the troubled Salesforce Transit Center in San Francisco is calling for a girder-hanger connection design review as part of the probe into the causes of brittle fractures in bottom flanges of twin 80-ft-long members that bridge Fremont Street.