Worker Experienced Aerial Lift Dysfunction

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Type:  Just-In-Time Report

Publisher:  Bechtel - DOE Contracts, Hanford Waste Treatment Plant - WTP/WTCC (Various Locations)

Published As:  Public


Topics:  Occupational Safety and Health, Maintenance, Hoisting and Rigging, Heavy Equipment

On 05/19/2015, at the Waste Treatment Plant, an operator was forced to stop their Genie Z-135/70 aerial lift operations after experiencing a dysfunction with the controls. As the operator attempted to use the driver control to move forward, the platform boom began to rise unexpectedly. The operator stopped the lift, shut it off, and then tried again by restarting the lift and using the platform controls to control the boom. However the platform boom continued to rise. The operator immediately shut the lift down and called for help. Using another aerial lift, a maintenance worker retrieved the operator bringing them safely to the ground. There were no injuries as a result of the event.

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