San Francisco officials and the city’s team scrutinizing permit applications for shoring the 645-ft-tall Millennium Tower—which has settled 17 in. and tilted 4 in. over more than a decade—say the review will last several months.

Experts are reviewing every step taken by the team investigating the cause of two cracked girders at the Salesforce Transit Center in San Francisco.

After calling for a “complete structural evaluation” of San Francisco's Salesforce Transit Center, the Transbay Joint Powers Authority now says the problems with girders are localized.

The Transbay Joint Powers Authority, after closing its recently dedicated Salesforce Transit Center, is investigating the cause of cracked built-up plate girders supporting the roof garden.

A team in earthquake-prone Seattle is daring to deliver an 850-ft-tall “proof of concept” for a composite structural-steel frame, instead of a steel frame around a reinforced concrete core.

California, Oregon and Washington are among the states moving forward with regulations and road maps for the construction and operation of building- and district-scale graywater capture and treatment systems for non-potable-water use, such as toilet flushing and irrigation.

Earlier this month, the first building in the U.S. permitted to treat rainwater for potable uses also became a Living Building—the highest level of ultra-green-building certification granted by the International Living Future Institute.