The U.S. General Services Administration on Aug. 14 let its largest stimulus-funded project so far, a $435.4-million design-build contract for the new U.S. Coast Guard headquarters building in Washington, D.C. Clark Construction Group of Bethesda, Md., led the winning team, joined by St. Louis-based HOK, which will provide interior designs, landscape architecture, construction documents and administration. The Washington office of WDG Architecture is architect-of-record. Chicago-based Perkins+Will created preliminary designs and bridging documents for the 1.2 million-sq-ft building, which will aim for a LEED Silver rating. The headquarters, along with a 1,000-car parking garage, will be built on the new 4.5
The 2016 Summer Olympics boating and swimming events have put an international spotlight on what has been a long-running problem in Rio de Janeiro—untreated sewage and trash are clogging up major bays and waterways.