Related Links: Fact Sheet on Project An ambitious plan to build a transmission line to support electricity-producing wind farms off the East Coast has moved closer to becoming a reality following an Interior Dept. determination that no competitors had come forward with a similar proposal.If the proposal gains other regulatory approvals, it would be the first project of its kind in the U.S. It could cost more than $5 billion and take 10 years to construct.Interior's May 14 finding means that its Bureau of Ocean Energy Management is likely to grant the project a right-of-way on the Outer Continental Shelf
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.