Brazil’s Odebrecht has won a $2.1-billion concession for the upgrade and new construction of the Dom Pedro Highway in the state of Sao Paulo, Brazil. The 30-year concessionaire will be responsible for the upgrade and maintenance of a total of almost 185 miles of tolled roadway traversing 17 cities between Mogi Guaçu and Jacarei the northeast of Sao Paulo’s urban center. The project is part of an ongoing effort to alleviate traffic problems in the country’s largest metro area. “We will invest ... 1.4 billion in the first six years,” says Leonardo Mala, an Odebrecht spokesman. “We will start the
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.