Airports in Southern California, one of the nation’s most heavily populated regions, are building as much and as “green” as they can with limited space and tight budgets. Modernization projects at the San Diego, Long Beach and Los Angeles airports are requiring engineers to think creatively. Photo: Courtesy of Paragon Shuffling of L.A. airport facilities, including a new taxiway, is a complex puzzle. Rendering: Courtesy Of SUNDT San Diego airport’s outdoor ticketing and check-in lobbies will take advantage of the region’s year-round mild weather. The San Diego County Regional Airport Authority’s $1-billion green-build program includes a 445,000-sq-ft expansion of Terminal
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.