A $590-million upgrade to Sky Harbor International Airport’s Terminal Three in Phoenix is the building equivalent of liposuction—stripping tons of concrete from the structural bones in order to create a new, light-filled public space.
The $12.1-million Val Vista Water Transmission Main Rehabilitation project was performed on more than 6,000 linear ft of pre-stressed concrete cylinder pipe that delivers water to more than 60% of the population in the city of Phoenix.
After the original rubber-bladder dam failed in 2010 and drained 1 billion gallons of water without warning from Tempe Town Lake, the city of Tempe, Ariz., engaged the construction team to design and build a more permanent replacement.
The $2.31-million Horse Mesa Dam Rock Debris Talus Stabilization project mitigates a rock-fall debris talus deposit located in extremely remote terrain at Salt River Project’s Horse Mesa Dam, east of Phoenix.
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.