46 C.F.R. § 154.305 Segregation of hold spaces from the sea.
Title 46 - Shipping
In vessels having cargo containment systems required by this part to have a secondary barrier, hold spaces must be segregated from the sea by: (a) A double bottom if the cargo tanks meet this part for design temperatures colder than −10 °C (14 °F); and (b) Wing tanks if the cargo tanks meet this part for design temperatures colder than −55 °C (−67 °F).
Title 46: Shipping
PART 154—SAFETY STANDARDS FOR SELF-PROPELLED VESSELS CARRYING BULK LIQUEFIED GASES
Subpart C—Design, Construction and Equipment
Ship Arrangements
§ 154.305 Segregation of hold spaces from the sea.
