Your vessel is taking on bunkers from a shoreside facility. If oil begins flowing from one tank vent, which of the following actions should be taken FIRST?
• Pollution prevention during bunkering – stopping the source vs. cleaning up • Ship-to-shore bunkering communication procedures and emergency stop signals • Dangers of over-pressurizing tanks or vent lines
• When you first notice oil coming from a tank vent, what is your most urgent priority: stop the flow, contain the spill, or redistribute cargo? • Who actually controls the flow rate and can quickly stop the transfer in a ship-to-shore bunkering operation? • What could happen if you try to close or restrict a vent line while transfer pressure is still on the system?
• Verify which action directly stops or reduces the source of the spill fastest and safest. • Confirm which party (ship or shore) has immediate control of the transfer pumps/valves in a typical bunkering setup. • Consider whether manipulating the vent line or other tanks could increase pressure or create a more dangerous situation.
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