Tankerman · Transfer — Pre-Transfer
Plugging the deck scuppers before an oil transfer is required so that:
- ARainwater stays on deck
- BAny spilled oil on deck is contained and cannot run overboard✓ Correct
- CThe deck stays cool
- DVapor cannot escape
Explanation
Scuppers are plugged so that a deck spill is contained aboard and routed to a save-all rather than draining into the water, a basic pollution-prevention measure during transfers.
Authority: Pollution Prevention (33 CFR 155/156)
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