Safety Alert
Safety Alert 345 - Sprag Brake Clutch Failure Leads to Near Miss
Safety Alert 345 - Sprag Brake Clutch Failure Leads to Near Miss
- BSEE
- Safety Alert
- BSEE Safety Alert 345
- Machinery and Equipment
- Dropped objectsLine of fireMechanical failure
- Inspection and maintenanceLifting operations
- CraneWinch
- Functional testingOperating and work proceduresPreventive maintenanceSafety communication
- Upstream oil and gas
- Vessel
Summary
A crane winch failure dropped a construction box back onto a vessel’s deck, narrowly missing a deckhand. Testing revealed intermittent load-holding failure and sprag brake clutch slippage. The alert recommends considering operational checks, periodic disassembly, oil analysis, warm-up procedures and avoidance of shock loading.
Classifications: Dropped objects; falling objects; DROPS.
Classifications: Line of fire; struck-by hazards.
Classifications: Mechanical failure; equipment failure.
Classifications: Inspection and maintenance; asset inspection; equipment maintenance.
Classifications: Lifting operations; load lifting; hoisting.
Classifications: Crane; cranes.
Classifications: Winch; winches.
Classifications: Functional testing; function test.
Classifications: Operating and work procedures.
Classifications: Preventive maintenance; preventative maintenance; planned maintenance.
Classifications: Safety communication; toolbox talk; toolbox talks.
Classifications: Upstream oil and gas; oil and gas extraction; upstream petroleum.
Classifications: Vessel; aboard ship; onboard vessel.
BSEE Safety Alert 345. Themes: machinery and equipment.