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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.
Investigators for San Francisco’s Transbay Joint Powers Authority are searching for the cause of brittle fractures in the tapered bottom flanges of twin 80-ft-long built-up plate girders in San Francisco’s Salesforce Transit Center.
A 14,000-sq-ft installation of a proprietary paving material that was combined with recycled rubber tires wrapped up last month at Yellowstone National Park, marking the largest undertaking of its kind to date in the three-year project near Old Faithful.
Higher prices for lumber and other wood products, driven by January's 20% tariff on Canadian softwood lumber and new tariffs on Chinese products, will increase rebuilding costs in areas hit by Hurricane Florence.