Safety Flash
Loss of heading control on an FPU during diving operations
Loss of heading control on an FPU during diving operations
- IMCA
- Safety Flash
- IMCA SF 07/24
- DivingPermit to WorkSimultaneous OperationsVessel and Mooring
- Mechanical failure
- Diving operationsInspection and maintenance
- Pumps
- Evacuation, escape and rescueEnergy and process isolationPermit to workSimultaneous operations coordination
- Marine industryUpstream oil and gas
- SubseaVessel
Summary
A floating production unit lost heading control during diving operations when a steering pump failed to start automatically during greasing. Only one thruster was available. Divers were recovered safely. The flash examines maintenance coordination, work permits, risk assessment and communication, and calls for changes to the company SIMOPS matrix.
Classifications: Mechanical failure; equipment failure.
Classifications: Diving operations; diving; commercial diving.
Classifications: Inspection and maintenance; asset inspection; equipment maintenance.
Classifications: Pumps.
Classifications: Evacuation, escape and rescue; EER; escape and rescue.
Classifications: Energy and process isolation; isolation; energy isolation.
Classifications: Permit to work; PTW; work permit.
Classifications: Simultaneous operations coordination; SIMOPS; simultaneous operations.
Classifications: Marine industry; shipping industry; maritime sector.
Classifications: Upstream oil and gas; oil and gas extraction; upstream petroleum.
Classifications: Subsea; underwater worksite.
Classifications: Vessel; aboard ship; onboard vessel.
Summary
The only thruster in operation and available was the aft port thruster.
IMCA SF 07/24. Themes: diving, permit to work, simultaneous operations, vessel and mooring.