Safety Flash
Dropped objects in dry dock
Dropped objects in dry dock
- IMCA
- Safety Flash
- IMCA SF 04/23
- Control of WorkDropped ObjectsPermit to WorkSimultaneous Operations
- Dropped objectsMechanical failure
- Inspection and maintenanceRigging
- Lifting accessories
- Contractor managementControl of workPermit to workRisk assessment
- Marine industry
- Vessel
Summary
Two vessel dry-dock incidents involved a steering tube falling after chain-block slack caused shock loading, and a hydraulic cylinder pin cap sliding through an uncovered gap. The flash identifies shortcomings in task assessment, permit compliance and interfaces between work teams, emphasising detailed planning, clear responsibilities and coordinated control of work.
Classifications: Dropped objects; falling objects; DROPS.
Classifications: Mechanical failure; equipment failure.
Classifications: Inspection and maintenance; asset inspection; equipment maintenance.
Classifications: Rigging; slinging.
Classifications: Lifting accessories; lifting gear; rigging gear.
Classifications: Contractor management; contractor assurance.
Classifications: Control of work; work control.
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
A member reports two dropped object incidents during a vessel dry-dock, both with serious injury potential.
IMCA SF 04/23. Themes: control of work, dropped objects, permit to work, simultaneous operations.