Revisiting efforts to funnel federal funds into school construction, the House has approved a measure that would authorize more than $6.5 billion for K-12 public school and community-college projects. The provision is part of a bill, which the House passed on Sept. 17, that would expand the federal loan program for college students and curtail private lending. The measure would authorize $2.02 billion annually for fiscal 2010 and 2011 for modernization, renovation or repair of K-12 public schools. Another $2.5 billion would be available for new construction or modernization of community colleges, starting in fiscal 2011. Groups like the American
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.