Translating the U.S. Green Building Council’s Leadership in Energy and Environmental Design (LEED) Silver certification into a standard for all international construction—which the U.S. Army Corps of Engineers has pledged to do—may be impossible. Photo: Tom Sawyer Corps holds workshop for staffers to acquaint them with LEED, which the Corps has committed to adopting as a worldwide standard. Related Links: Building Abroad Has Corps of Engineers Working Hard To Adapt Creating high-performance facilities is not the issue, but holding to a LEED rating is problematic. “LEED is a very U.S.-based standard, and trying to take that and apply it overseas
Arch dams, classically curved monoliths situated in narrow valleys, are not as common as other types of dams, such as embankment dams and gravity dams. ENR takes a look at some of the biggest arch dams in the world, both completed and under construction.