: This could involve a system set up to quickly and safely position a rescuer or worker in a situation where standard access equipment cannot be used.
Systems designed to prevent "crush" or "hang" scenarios by automatically stopping the machine if the operator is pressed against the controls. ewp hang
A hydraulic leak or electrical short that freezes the boom while extended. : This could involve a system set up
Before elevating, walk the perimeter. Use a spotter when working near mezzanines, power lines, or conveyor systems. ewp hang
Use the emergency descent system if possible, but only if it does not increase the tension on the "hang".