Boswell Engineering’s Marine Division – Boswell Underwater Engineering (BUE) performed subaqueous structural inspections, scour evaluations and the videotaped documentation of 34 Long Island Railroad bridge structures crossing waterways. Six (6) of the railroad structures necessitated penetration dives in confined spaces. The penetration dives were performed in strict adherence to all OSHA safety requirements. In addition all underwater inspections were performed in accordance with New York State Department of Transportation standards guidelines.