Two former officials of a California firm that bills itself as the “world’s leading provider” of specialty service control valves in global energy and industrial facilities will be sentenced on July 20 after pleading guilty to federal corruption charges for bribery and conspiracy. Six other former executives of Rancho Santa Margarita-based Control Components Inc., including ex-CEO Stuart Carson, were indicted last month by the U.S. Dept. of Justice on similar charges. Neither the firm, a unit of U.K.-based IMI plc, nor current managers were indicted. DOJ charged Carson and the five other executives with multiple counts under the Foreign Corrupt
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.