We need a build-out. We need a buildup. We need a national makeover. But we must make certain that every bailout dollar, which we’re borrowing from our kids’ future, is spent wisely. So opined New York Times columnist Thomas Friedman on Dec. 24 on then President-elect Obama’s proposed stimulus package. Slide Show Source: Robert Wible & Associates Potential Annual Private Sectors Streamlining Savings in Regulatory Costs ENR readers know only too well the need for a build-up, especially of the nation’s long-neglected infrastructure. Elected officials know this as well, and everyone has their own list of “shovel-ready” projects worthy of
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.