Seeing Yellow
Johann F. Szautner, PE, Civil Engineer :::: We all know the meaning of "seeing red", often associated with a state of heightened emotion when the blood pressure rises, and we…
Waterpark Tragedy
Tom J. Griffiths, Ed.D., Aquatic Safety Consultant :::: A child of tender years attended a birthday party at a popular water park. Prior to the party, the young boy was…
Passenger, Pedestrian and Worker Safety in the Railroad Environment
Carl Berkowitz, Ph.D., PE, AICP, Transportation / RailRoad Safety Consultant :::: The dimensions of passenger areas, such as train platforms, are a key factor in platform overcrowding, as well as…
Young Boy Drowns at Guarded Pond
Tom J. Griffiths, Ed.D., Aquatic/Water Safety Expert :::: In this case study, an Aquatics Expert was requested to determine if the certified lifeguard on duty was properly supervising local a…
HOT-SHOCK
Leslie E. Lovre, Technical Assistant :::: Automotive engineers are routinely asked to inspect and document vehicles to rule in or rule out potential vehicle malfunctions as possible factors to a…
Danger Within Reach
Thomas J. Cocchiola, PE, CSP, Mechanical Engineer :::: Accident: A manufacturer designed, built, and sold a production line that produces decorative precast concrete pavers. The production line includes a conveyor…
Electronic Data: Driver Habits and Data Utilization
Robert S. Kinder Jr., BSME, Mechanical Engineer :::: During an investigation, electronic data is extracted from vehicles to help determine what occurred in the moments leading up to an incident.…
Speed From Video… Another Masterpiece
James R. Schmidt, Jr., BSME, Sr., Collision Reconstruction Engineer :::: As you probably know by now, DJS can analyze dash cam and still-camera surveillance videos to quantify vehicle speed (and…
What are Those “Stripes” on the Roadway?
James R. Schmidt, Jr., BSME, Sr. Collision Reconstruction Engineer :::: We've all seen them during the winter season … white stripes running along the length of the roadway. But what…
