46 C.F.R. § 154.325 Accommodation, service, and control spaces.
Title 46 - Shipping
(a) Accommodation, service, and control spaces must be outside the cargo area. (b) If a hold space having a cargo containment system, required by this part to have a secondary barrier, is separated from any accommodation, service, or control space by a cruciform joint, there must be a cofferdam providing at least 760 mm (30 inches) by 760 mm (30 inches) clearance on one side of the cruciform joint.
Title 46: Shipping
PART 154—SAFETY STANDARDS FOR SELF-PROPELLED VESSELS CARRYING BULK LIQUEFIED GASES
Subpart C—Design, Construction and Equipment
Ship Arrangements
§ 154.325 Accommodation, service, and control spaces.