Even with his acquittal last year of criminal charges in the 2008 fatal collapse of a New York City tower crane, union master rigger William Rapetti likens the legal battle to regain his still-suspended city licenses to “double indemnity,” he says. In transcripts just released of administrative law hearings held in December, lawyers for the city’s Dept. of Buildings pressed for the continued suspension of Rapetti’s rigging and crane-operating licenses, despite the non-jury ruling by a Manhattan Supreme Court judge that exonerated him of manslaughter charges in the collapse that killed seven. Debra Herlica, Buildings Dept. attorney, argued that the
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.