Photo Courtesy of Pacificorp The Boardman-to-Hemingway transmission project, first proposed in 2000, is not expected to complete until 2020. The project was placed on the Obama administration's list of projects to accelerate in 2011. Related Links: Project Website Information on Interagency Rapid Response Team for Transmission An Obama administration effort to expedite federal agencies' review of the proposed 300-mile, 500-kV Boardman-to-Hemingway transmission line through parts of eastern Oregon and southern Idaho has had both positive and negative effects on advancing the project, according to Idaho Power, the utility that started planning the project several years ago.Doug Dockter, manager of 500-kV
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.