Dennis W. Olson C.E.I.

The forensic experts at Robson Forensic are frequently retained to investigate injuries and construction claims related to elevators and escalators. In this document our elevator experts have provided generalized schematics of a hydraulic and a traction elevator. These illustrations are intended to be helpful for attorneys and adjusters to understand the technical aspects of this equipment and to facilitate a meaningful discussion with our technical experts.

The forensic experts at Robson Forensic are frequently retained to investigate injuries and construction claims related to elevators and escalators. In this document our escalator experts have provided a generalized schematic along with information on escalator safety equipment. This information is intended to be helpful for attorneys and adjusters to understand the technical aspects of this equipment and to facilitate a meaningful discussion with our technical experts.

Elevator overspeed incidents are among the elevator malfunctions that appear in our forensic casework. The sudden and unexpected acceleration of an elevator beyond the accepted contract speed, followed by an abrupt stop, can result in serious injuries for passengers.

In this article, Elevator & Escalator Expert Dennis Olson explains the purpose and function of an overspeed governor and the maintenance policies and procedures which should be followed to ensure safety.

In this article our elevator experts have compiled statistics and valuable information pertaining to elevator safety, the most common types of passenger incidents, and some of the standards relevant to elevators.

Elevator expert, Dennis Olson was interviewed by the New York times regarding a deadly elevator mishap in Williamsburg, Brooklyn that killed one man.