The U.S. Government Accountability Office has denied a protest by Watsonville, Calif.-based Granite Construction Co. challenging a $44-million U.S. Navy contract award to Baldi Brothers Inc., Beaumont, Calif., for runway repairs at Travis Air Force Base, near Fairfield, Calif. Granite had protested the Naval Facilities Engineering Command’s rating of its small-business subcontracting plan as "unacceptable." But in a Jan. 14 decision, GAO said Granite’s "arguments amount to mere disagreement with the agency’s conclusions."
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.