Products 09/29/2010 Fall-Arrest Anchor Post: Works on Many Roof Designs The Miller Fusion Roof-Anchor Post is a single-point fall-arrest anchor that provides a temporary or permanent anchor without piercing the roof substrate. The Fusion anchor comes in several different models that are specially designed to work on a variety of roof designs, including standing seam, membrane, metal sheathing, concrete and wood. The ring mechanism is designed to rotate with the user’s position to prevent tangles, and a built-in energy-absorption system protects the structure during a fall. Miller Fall Protection; 800-873-5242; www.millerfallprotection.com Underground Cables: Preventing Water Damage Hendrix Wire & Cable
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.