As a flurry of new American Recovery and Reinvestment Act updates makes clear, opportunities for construction firms seeking to win ARRA-funded work are waning. Some agencies, such as the General Services Administration, still have substantial stimulus work to award, but in sectors such as highways, the funding window is nearly closed. Source:House Transportation and Infrastructure Committee, DOE, National Park Service.. ARRA Progress Reports Ken Simonson, the Associated General Contractors’ chief economist, says, “It appears that there is now more stimulus-funded construction activity in more sectors of the industry than at any point since last February. … The bad news is
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.