Deck foam systems, designed to protect cargo areas on tank vessels built after January 1, 1975, must have a supply of foam-producing material to operate the system at its designed rate of foam production for __________.
β’ 46 CFR requirements for tank vessel deck foam systems (fire protection) β’ Difference between deck foam systems and other fixed fire-extinguishing systems (like COβ or dry chemical) β’ Minimum duration of foam supply needed to control a cargo-deck fire
β’ Is the required foam duration for cargo deck protection generally short like an initial knock-down, or long enough to maintain a foam blanket while crews respond? β’ Does the date "built after January 1, 1975" suggest an older, lower standard or a newer, more conservative fire protection standard? β’ Think about what would be a realistic minimum time for fighting a serious cargo-deck fire on a tanker before outside help can arrive.
β’ Look up the specific 46 CFR part that covers fire protection for tank vessels and find the table or paragraph that lists the required foam duration for deck systems. β’ Confirm that the time requirement applies to deck foam systems for cargo areas, not engine-room fixed systems or portable foam. β’ Verify that the time requirement is stated as "without recharging" and that you are matching the units (minutes) correctly.
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