The Smithsonian museum on the National Mall in Washington, originally designed by SOM in the 1970s, is undergoing a three-stage upgrade and expansion as visitor numbers grow.
In 2018, EPC contractor TGE Top Down delivered a $112-million, 10-story, 621,000-sq-ft office building in Bangalore, India, using a patented top-down building system.
Top-down construction—assembling the floor of a building on the ground and lifting it into place—has long presented a possible alternative to the labor-intensive process of building steel frames, floors, walls and all components at height.
The American Institute of Steel Construction task group reviewed proposals made by California's Metropolitan Transportation Commission, in the aftermath of the 2018 discovery of brittle fractures in plate girders at the Salesforce Transit Center.
The U.S. General Services Administration has issued an RFI as part of a fact-finding mission to help establish federal agency procurement
preferences for construction materials and goods that contain less embodied
carbon.
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