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.
The International Code Council has announced that all 14 tall mass-timber model-code change proposals unofficially passed the ballot for inclusion in the 2021 International Building Code.
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.
The American Concrete Institute is publishing the complete draft of the proposed “ACI 318-19: Building Code Requirements for Structural Concrete” for a 45-day public review starting Dec. 21.
Environmental advocacy group Mighty Earth’s call to action to reduce the carbon footprint of structural-steel production is well intended but naive, say construction and steel-sector firms.