Related Links: Website of All-Railroad Services Corp. (Vaccarello) Website of Roadway Worker Training (Crisafi) Online obituary for Patsy Crisafi Federal investigators are continuing a probe into the crash of a private plane on Oct. 3 near Gary, Ind., that killed two Florida-based veteran rail construction executives, one of them the pilot. But a preliminary report offers few clues as to the cause.Killed were Patsy J. “PJ” Crisafi, 48, co-founder and executive vice president of Roadway Worker Training Inc. and Vincent “Vinnie” Vaccarello, 45, co-founder and co-president of All Railroad Services Corp., both in St. Augustine.Crisafi was piloting the plane, a
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.