Related Links: Anniston, Ala. Star: Work on Parkway Still Stalled After being removed from an Alabama state parkway section that was more than 80% complete, the contractor says the root of the problem was design errors that couldn’t be resolved with the state department of transportation. “The state’s description was we were behind schedule. We differ on why we were behind schedule,” says Dan Cordell, general manager of Hernando, Miss.-based L&T Construction. "When all things are considered—we presented the state with some scheduling changes we wanted them to consider—we were ahead of schedule.” The Alabama Dept. of Transportation removed L&T on
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.