Municipalities and ports in northern Germany and across Denmark have started competing to host construction sites for the planned 19-km fixed crossing across the strait, Fehmarn Belt, between the two countries. Construction lasting six years is forecast to cost up to $7.3 billion. About three years before sitework is scheduled to start, the Copenhagen-based state company managing the project, Femern A/S, has published requirements for production and construction sites. Final site choices will be made by the companies that will handle three large contracts for the project. Though a bridge is the expected form of crossing, Femern A/S is still
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.