One week after New York City announced it would shepherd a national database of tower cranes to improve jobsite safety, a crane-rental executive in Pennsylvania has built the world�s first Internet site for tracking crane repairs, inspections and other critical details. Related Links: Three Cities Plan Tower Crane Tracking Cranefacts.com The site is the industry’s first voluntary effort to make crane tracking more transparent in the wake of major accidents last year. “I wanted to get something out there that answers these cries for tracking cranes,” says Frank Bardonaro, president of Bensalem, Pa.-based AmQuip. He has spent about $40,000 and
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.