Related Links: Judge Acquits NYC Crane Owner Lawyers Trade Contradictory Facts as N.Y. Crane Collapse Criminal Trial Restarts The acquittal of crane owner James F. Lomma on criminal charges related to a 2008 crane collapse in New York City leaves the public's opinion of crane safety in the cramped, complicated city very much in doubt. Some owners and contractors have not shown they are capable of operating cranes safely without serious accident for a sustained period of time. The extreme density of Manhattan requires extra precautions.So far, neither criminal prosecutions nor financial liability by the crane owners and operators has
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.