Safety Flash
Failure of personal isolation procedures: Crane became damaged when it was used inappropriately
Failure of personal isolation procedures: Crane became damaged when it was used inappropriately
- IMCA
- Safety Flash
- IMCA SF 29/23
- Control of WorkCrane and RiggingIsolationPermit to Work
- Human factorsPressure systems
- Inspection and maintenance
- Crane
- Energy and process isolationOperating and work proceduresPermit to workRisk assessment
- Marine industry
- Vessel
Summary
A crane aboard a vessel in dry dock was damaged when crew attempted to operate it during hydraulic repairs. Personal isolation had been used across several days by multiple people and removed for testing. The flash highlights inadequate risk assessment, the missing permit to work and restrictions on personal isolation.
Classifications: Human factors; human performance; ergonomics.
Classifications: Pressure systems; stored pressure; pressurised systems; pressurized systems.
Classifications: Inspection and maintenance; asset inspection; equipment maintenance.
Classifications: Crane; cranes.
Classifications: Energy and process isolation; isolation; energy isolation.
Classifications: Operating and work procedures.
Classifications: Permit to work; PTW; work permit.
Classifications: Risk assessment; hazard assessment.
Classifications: Marine industry; shipping industry; maritime sector.
Classifications: Vessel; aboard ship; onboard vessel.
Summary
On a vessel in dry dock, a crane, which had been isolated for many days for work to be conducted by a third party, was used by crew unaware that the crane was out of use for maintenance. The crane was damaged as a result, leading to increased maintenance time and cost.
IMCA SF 29/23. Themes: control of work, crane and rigging, isolation, permit to work.