In opening statements on April 4 and 5 in the New York City trial of three construction managers related to a 2007 fire at a former Ground Zero high-rise that killed two firefighters, the prosecution and defense painted vastly different portraits of the officials charged with criminally negligent homicide and manslaughter. Photo: AP Trial of construction defendants in fatal 2007 New York City high-rise fire could last four months or more. The inferno killed firefighters Joseph Graffagnino and Robert Beddia. About 100 others were injured. In proceedings that could last more than four months, on trial are Jeffrey Melofchik, former
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.