46 C.F.R. § 108.135 Boundary bulkheads, decks of galleys, and combustible material lockers.
Title 46 - Shipping
Each boundary bulkhead and deck of each galley, each combination galley and messroom, and each combustible material storage locker must be an A class bulkhead and A class deck respectively.
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PART 108—DESIGN AND EQUIPMENT
Subpart B—Construction and Arrangement
Structural Fire Protection
§ 108.135 Boundary bulkheads, decks of galleys, and combustible material lockers.