On May 2, as the manslaughter trial of three construction firm managers in the fatal Ground Zero building fire entered its fifth week, 28 prosecution witnesses had been called and 78 more were set to testify. Citing the potential for redundant and irrelevant testimony and noting that jurors appeared fatigued, New York State Supreme Court Judge Rena K. Uviller ordered the prosecution to cut its witness list and rest its case by May 31. New York County District Attorney's Office Firefighters exited fatal 2007 building blaze using scaffolding when access by interior stairwells was blocked. The Aug. 18, 2007, fire
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.