President Obama has proposed a $3.8-trillion budget for fiscal year 2011 that would freeze total “non-security” domestic discretionary spending—the category that includes most federal construction programs—and result in cutbacks in most of the key construction accounts. Industry sources say the proposed reductions are not surprising given current economic realities, and they point to a few bright areas in the budget’s long list of cuts. Slide Show DOT: Federal-aid highway obligation The DOT program funding highway projects was one of the few programs to receive a modest boost. Industry sources such as the American Road and Transportation Builders Association say the
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.