Court Summary - at a glance
To install an effective device, such as a time delay interlocked guard or trapped key interlock system with time delay, to prevent employees accessing the hazard while the machine was running down and the impellers had residual energy.
The Defendant owns a blast cleaning machine known as Wheelabrator. On the day of the incident, the victim opened the guard door of machine to assess the physical condition of a wear plate of the upper impeller. When he stepped on the door sill and reached the impeller, he inserted his arm into hazardous zone of the impeller while it still had significant residual energy from the run down. The machine had just finished the cycle therefore the guard door had unlocked, permitting access during the run down.
The victim’s arm was crushed and sheared between the impeller and the lower plate. He suffered multiple fractures of bones, serious damage to tendons and lacerations.