• Published: 17 Nov 2020

Collapsed winch drum

Collapsed winch
Collapsed winch

Cause & Consequence

  • Trapped or crushed

Contributing Factor

  • Communication
  • Complacency
  • Change management
  • Control of work

Description of Process

Replacement of crane winch barrel boss.

Description of Incident

The crane winch drum barrel boss was being replaced.

The winch drum had been removed from the boom hoist winch and positioned on the deck.

There was a discrepancy between the drawings and what the team found at site.

Approximately 15mins after the barrel boss was removed, the drum collapsed.

An individual was trapped between the collapsed drum and the scaffold boards.

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Good Practice Guidance

  • If you identify an issue, raise your concern
  • Ensure drawings are reviewed and revised to reflect known discrepancies
  • Ensure processes are in place to; identify, assess, record and communicate change

Useful links:

Safe Working Essentials Toolkit

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