46 C.F.R. § 108.139 Boundary bulkheads and decks of a space containing emergency power.
Title 46 - Shipping
Each boundary bulkhead and deck of a space containing an emergency electric power source or components of an emergency electric power source must be an A class bulkhead and A class deck respectively. When separate but adjoining spaces are provided for such equipment, boundary bulkhead type construction is not required for the separating partitions common to each space.
Title 46: Shipping
PART 108—DESIGN AND EQUIPMENT
Subpart B—Construction and Arrangement
Structural Fire Protection
§ 108.139 Boundary bulkheads and decks of a space containing emergency power.
