Four executives with one of the largest construction firms in South America, Camargo Correa, were arrested by Brazilian police Wednesday in connection with a year-long corruption probe. A total of ten 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 — part of an investigation named Operation Sand Castle. Photo: C.J. Schexnayder The Campos Novos dam in southern Brazil built by Camargo Correa and completed in 2006. Investigators with Brazil’s federal prosecutor’s office specializing in financial crimes say Camargo Correa was laundering money
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.