46 C.F.R. § 32.56-55 Control spaces—T/ALL.
Title 46 - Shipping
Bulkheads and decks that separate control spaces from adjacent spaces must be “A” Class construction and insulated against fire. 46 CFR Table 72.05–10(e) of the Passenger Vessel Regulations may be used as a guide.
Title 46: Shipping
PART 32—SPECIAL EQUIPMENT, MACHINERY, AND HULL REQUIREMENTS
Subpart 32.56—Structural Fire Protection for Tank Ships With a Keel Laying Date On or After January 1, 1975
§ 32.56-55 Control spaces—T/ALL.