HAZOP Example Barge Fueling Operation Joseph Pecsenyicki Safe 275 Sept 29, 2013
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Barge Fueling Operation Deviation: High Flow Rate Cause: Fuelman set fuel flow rate too high.
Barge Fueling Operation Possible Consequences: Excessive vapor pressure in fuel tank Excessive fuel level in tank Spark causing fire / explosion
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Barge Fueling Operation Safeguards: Fuelman & dockman monitoring Fatigue regulations for fuelmen (but none for dockmen!) Regulations for initial slow filling No fuel freefall in new barges
Barge Fueling Operation Recommendations: Vapor relief valves Install fuel flow gauges Emergency fuel shutdown system on barge Written letters of concern re: dockmen fatigue New fatigue regulations for dockmen