Managers of a 90%-complete, 646-bed hospital in Liverpool will take charge of the project after unravelling a public-private partnership with the contractor Carillion Plc, which collapsed ignominiously in January.
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.
The 58-story Millennium Tower in the Transbay district of San Francisco, which has sunk 18 in. and is tilting 2 in., is under even more scrutiny for possible structural defects since a window on the 36th floor cracked.
While widely accepted in Europe, designers and builders in the U.S. have struggled to take full advantage of mass timber because of current limitations in prescriptive codes.