Related Links: Civilian BRAC Bill Faces Challenges in Senate Office of Management and Budget Memo The Obama administration has put a freeze on the acquisition of new federal, non-defense real estate. Under the policy, spelled out in a May 11 Office of Management and Budget memo, federal agencies must offset any planned new space by consolidating or disposing of old space. The American Institute of Architects says the policy could create opportunities for building renovations and is less worrisome than current federal budgetary concerns.
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.