Safety Flash
Firefighting (FiFi) Tank Outlet Blockage
Firefighting (FiFi) Tank Outlet Blockage
- IMCA
- Safety Flash
- IMCA SF 30/20
- DivingEmergency ResponseInspection and MaintenanceMachinery and Equipment
- Mechanical failure
- Inspection and maintenance
- Storage tanks
- Fire protectionPositive retention and reliable securing
- Marine industry
- Vessel
Summary
A diving support vessel’s chamber firefighting tank outlet became blocked when a threaded endcap detached from its float and sank. The flash describes the plug assembly, potential loss of emergency water supply, permanent bonding of all six tank plugs, and recommended reviews for similar failure mechanisms.
Classifications: Mechanical failure; equipment failure.
Classifications: Inspection and maintenance; asset inspection; equipment maintenance.
Classifications: Storage tanks; atmospheric tanks.
Classifications: Fire protection; fire suppression; fire detection.
Classifications: Positive retention and reliable securing.
Classifications: Marine industry; shipping industry; maritime sector.
Classifications: Vessel; aboard ship; onboard vessel.
Summary
A member reports a blockage of the outlet of a dive chamber fire fighting water tank, caused by the failure of a floating plug.
IMCA SF 30/20. Themes: diving, emergency response, inspection and maintenance, machinery and equipment.