46 C.F.R. § 154.178 Contiguous hull structure: Heating system.
Title 46 - Shipping
The heating system for transverse and longitudinal contiguous hull structure must: (a) Be shown by a heat load calculation to have the heating capacity to meet §154.174(b)(2) or §154.176(b)(2); (b) Have stand-by heating to provide 100% of the required heat load and distribution determined under paragraph (a); and (c) Meet Parts 52, 53, and 54 of this chapter.
Title 46: Shipping
PART 154—SAFETY STANDARDS FOR SELF-PROPELLED VESSELS CARRYING BULK LIQUEFIED GASES
Subpart C—Design, Construction and Equipment
Hull Structure
§ 154.178 Contiguous hull structure: Heating system.