154.178—Contiguous hull structure: Heating system.
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