The steel subcontractor and the fabricator for the problem bridge-like spans at San Francisco's Salesforce Transit Center are vigorously countering the Transbay Joint Powers Authority's contention that a construction error caused the brittle fractures of the hub’s two built-up plate girders.
The Building Decarbonization Coalition recently released a road map designed to help Californians stop their buildings from spewing greenhouse gases into the atmosphere. The road map charts a course toward reducing greenhouse gas emissions through highly-efficient systems and appliances powered by electricity instead of fueled by natural gas, which emits carbon into the atmosphere.
The U.S. Environmental Protection Agency’s 2017 Toxics Release Inventory National Analysis indicates that since 2007, releases of toxic chemicals by manufacturers declined, despite a growing economy.
Renovation of the Great Hall of Denver International Airport’s iconic Jeppesen Terminal has hit a bump. Tests are under way to determine whether the existing concrete slab can handle construction equipment loads.
The fix is under way of the fractured twin plate girders that span 80 ft across Fremont Street in the 4.5-block-long Salesforce Transit Center in San Francisco, but a reopening date is not yet set.