Engineering · Safety — Fixed Fire Systems
Before releasing a fixed CO2 flooding system into a machinery space, you must:
- AIncrease ventilation to the space
- BEvacuate and account for all personnel, then shut down ventilation and close openings✓ Correct
- COpen all doors for access
- DKeep the fuel pumps running
Explanation
CO2 displaces oxygen and is lethal, so the space must be evacuated and all hands accounted for; ventilation is stopped and openings closed so the gas concentration is achieved and held.
Authority: Engine-Room Safety (USCG engineering topic); SOLAS
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