The Government of the Northwest Territories, Canada, has reached a settlement with individuals from the Deh Cho Bridge Corp. over questions of unpaid work on the failed design of the Deh Cho Bridge, a 1,045-meter span crossing the Mackenzie River near Fort Providence. After work was delayed one year due to a substandard design, Andrew Gamble, former project manager, and Jivko Jivkov, former design adviser, were removed from the project when the government took over from the private Deh Cho Bridge Corp. They filed a claim for $1.3 million. Earl Blacklock, a government spokesman, says the mediated settlement, while undisclosed,
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.