The Manitowoc 16000 Crawler Crane now is available with a fixed-jib option as well as the standard luffing jib. The fixed jib has a 93-metric-ton (102-ton) capacity and a maximum length of 42.7 m (140 ft). The new jib reduces rigging time for lift applications in which a luffing jib is not required or feasible. Manitowoc Cranes; 920-684-6621; www.manitowoc.com The Atlas Copco Boomer E1 C-DH drill rig features a drilling coverage area of up to 95 sq meters, or 1,023 sq ft. This reach is a significant improvement over the company's earlier diesel-hydraulic face-drilling rig, the L1 C-DH. The rig
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.