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Operating aerial work platforms when outside basket

  • What happened?

    Worker was working outside of aerial work platform.

    He remained tied off to the platform basket.

    The ground crew started to retract the boom and basket without warning.

    Other personnel noticed and the operation was stopped in time.

    No one was injured, but it could have caused serious, life-changing injury.

    Two workers in protective clothing, one stood inside an aerial platform, one outside the platform tied to the basket.
  • Why did it happen?

    Worker was still attached to the basket while working outside the platform.

    The ground crew were unaware of the worker’s position or status when they began lowering the basket.

    From the operational panel perspective looking towards the two workers in the distance. The view is obstructed by equipment.
  • What did they learn?

    Comply with tie-off requirements in working at heights procedure.

    Ground crew should not operate aerial work platform controls except in emergencies.

    Ground crew should consider location and status of personnel using aerial platforms.

    Inspect telescopic arm and basket before operating.

    Include aerial work platforms safety requirements in safety plans.

    Everyone should follow the training and equipment allocation process.

    What learn - icon
  • Ask yourself or your crew

    What other actions could have been taken?

    How can something like this happen here?

    What are the correct tying off actions?

    How do we verify the status and position of the basket and arm before operating?

    How would you intervene in this, or a similar, situation?

    Ask your crew - icon
Published on 02/05/19 1184 Views 0 likes

Worker was working outside of aerial work platform. He remained tied off to the platform basket. The ground crew started to retract the boom and basket without warning.