President Obama’s ambitious $3.55-trillion budget outline for fiscal year 2010 is the latest salvo in his administration’s efforts to revive and reshape the nation’s economy. The proposed budget blueprint, unveiled Feb. 26, aims to cut the federal deficit in half by 2013 but doesn’t slash construction accounts to reach that g oal. Instead, it would boost funding for water infrastructure and create a National Infrastructure Bank. Photo: AP/Wideworld OMB’s Orszag (left) delivers plan to Rep. John Spratt (center) and Sen. Kent Conrad Meanwhile, Congress still needs to approve final spending numbers for fiscal 2009. Lawmakers approved a stopgap measure this
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.