City officials in Seattle say they will select the project manager and engineering team this week for the city�s nine-acre Central Waterfront project, a major redevelopment plan. The city has already named the 12-member design team. Landscape architect-urban designer James Corner Field Operations was selected from four finalists as the lead designer for the stretch of land along Elliott Bay, which includes a surface street, to be made available by the planned removal of the two-level Alaskan Way Viaduct. Design is set to begin in October. A conceptual design is expected in 2012 and a final design in 2015. Construction
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.