The attorney for the crane rigger accused of causing the deadly 2008 crane collapse in Manhattan said that “incompetence at the highest levels of city government” caused the accident, which killed seven people, rather than the “recklessness” prosecutors alleged against his client, William Rapetti. Photo: AP/Louis Lanzano Rapetti on the day of his indictment in January, 2009. Photo: Michael Goodman for ENR The defense has emphasized that Rapetti operated equipment at Ground Zero. Related Links: Rigger Declines Jury Trial Crane-Failure Case Heading to Court Rapetti was the master rigger of a 200-ft-high tower crane at the high-rise apartment construction site
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.