(a) The regulations in this part apply to steam heating boilers, hot water boilers (which include hot water heating boilers and hot water supply boilers), and to appurtenances thereto. The requirements in this part shall be used in conjunction with section IV of the ASME Boiler and Pressure Vessel Code (incorporated by reference; see 46 CFR 53.01-1). table 54.01-5(a) of this subchapter gives a breakdown by parts in this subchapter of the regulations governing various types of pressure vessels and boilers.

(b) Modifies HG-100. The requirements of part HG of section IV of the ASME Boiler and Pressure Vessel Code shall be used except as noted otherwise in this part.

[USCG-2003-16630, 73 FR 65163, Oct. 31, 2008]