Products 12/01/2010 Rough-Terrain Crane: Handles Many Types of Lifts The Terex RT 555 Rough Terrain Crane has a rated capacity of 50 tons and is able to perform on both short- and long-radius lifting operations in thick mud and rough jobsites. It is capable of switching between front-wheel, concentric four-wheel and four-wheel crab steering for added maneuverability. Standard cab features include air-conditioning, armrest-mounted joysticks, graphical load-limiter interface and a tinted-glass skylight for better visibility. Multiple job options are available to increase overall lifting capacity. Terex Cranes; 319-352-3920; www.terex.com Snapped Bolts: Kit Preserves Hole The Broken Bolt Extraction Kit allows for
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.