Four executives with one of the largest construction firms in South America, Camargo Correa, were arrested by Brazilian police on March 25 in connection with a yearlong corruption probe. In all, 10 employees of the firm were arrested as federal police carried out a series of raids on the company’s offices in Sao Paulo and Rio de Janiero. The operation was part of an investigation named Operation Sand Castle. Photo: Hermano Luders Itaipu dam contractor faces charges. Investigators with Brazil’s federal prosecutor’s office specializing in financial crimes say Camargo Correa was laundering money through fake companies and illegal currency traders.
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.