House and Senate negotiators have agreed on a $106-billion supplemental spending bill for fiscal 2009 that most funds the wars in Afghanistan and Iraq but also contains about $4.4 billion for defense and non-military construction, much of it in the U.S. The conference agreement, approved June 11 by House and Senate appropriators, is expected to go to the House and Senate floors during the week of June 15. The measure's construction allocations include $2.7 billion for Dept. of Defense construction, including $263 million to finish hospital projects in Bethesda, Md., and Fort Belvoir in Virginia; $488 million for other military
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.