Michael Goodman for ENR A federal indictment says Wolff intentionally conspired to bill the U.S. Agency for International Development "at knowingly inflated rates" for contracts in Iraq and Afghanistan. Derish Wolff, former CEO of Louis Berger Group, is scheduled to be arraigned on Nov. 9 on federal charges that he led a plan to intentionally inflate overhead charges on hundreds of millions of dollars in federal contracts over nearly 20 years. A tentative trial date is likely to be set at that appearance.An indictment unsealed on Oct. 20 in U.S. District Court in Newark, N.J., says Wolff intentionally conspired to
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.