It looks like federal agencies will be operating under another short-term spending bill. The Senate on Dec. 21 passed a stopgap continuing resolution (CR) to fund construction accounts and other federal programs through March 4. The vote was 79-16. The House approved the measure within hours. The nine-week measure also would continue authorizations for surface-transportation programs through March 4. State transportation agencies and construction firms that pursue federally funded work would have preferred an extension at least through Sept. 30, when fiscal 2011 ends. Federal Aviation Administration programs, including airport construction grants, will fare a little better. The House and
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.