46 C.F.R. § 108.137 Bulkhead and deck separations of accommodation spaces.
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Each boundary bulkhead and deck that separates an accommodation space or control station from the following must be an A class bulkhead and A class deck respectively— (a) Machinery space; (b) Galley or combination galley and messroom; (c) Main pantry; (d) Classified space; (e) Store room.
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PART 108—DESIGN AND EQUIPMENT
Subpart B—Construction and Arrangement
Structural Fire Protection
§ 108.137 Bulkhead and deck separations of accommodation spaces.