HAZOP ExampleBarge Fueling Operation

Joseph PecsenyickiSafe 275

Sept 29, 2013

Image from: http://www.bergan-blue.com/old/products.html

From: http://www.oshatrain.org/notes/2bnotes21.html

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

Image from: http://www.salon.com/2013/04/25/fuel_barge_explosions_cause_alabama_fire_ap/

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