Hartsfield-Jackson Atlanta International Airport became the first U.S. international airfield to let drones fly within its controlled airspace when Atkins and its design-team partners, 3DR and Autodesk, flew a series of seven flights during a four-hour period on the morning of Jan. 10.
A group of North Carolina politicians are seeking to shut down a nearly complete, $400-million, 22,000-acre wind farm in northeastern North Carolina, citing allegedly harmful impacts from “industrial wind-energy interference” to a Navy radar facility.
Last spring, at the Plant Vogtle construction site near Waynesboro, Ga., executives representing Georgia Power, its lead contractors and trades groups gathered to commit publicly to turning around the $16-billion nuclear power-plant expansion.
With the decentering complete of the fixed trusses that shape the daring kinetic roof of the Atlanta Falcons stadium, the steel erector is adding the eight movable parts, called "petals," that will close and open like an oculus.
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.