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    <FDSYS>
        <CFRTITLE>46</CFRTITLE>
        <CFRTITLETEXT>Shipping</CFRTITLETEXT>
        <VOL>2</VOL>
        <DATE>2025-10-01</DATE>
        <COVERONLY>false</COVERONLY>
        <ORIGINALDATE>2025-10-01</ORIGINALDATE>
        <ANCESTORS>
            <PARENT HEADING="Title 46" SEQ="4">Shipping</PARENT>
            <PARENT HEADING="CHAPTER I" SEQ="3">COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED)</PARENT>
            <PARENT HEADING="SUBCHAPTER F" SEQ="2">MARINE ENGINEERING</PARENT>
            <PARENT HEADING="PART 63" SEQ="1">AUTOMATIC AUXILIARY BOILERS</PARENT>
            <PARENT HEADING="Subpart 63.15" SEQ="0">General Requirements</PARENT>
        </ANCESTORS>
    </FDSYS>
    <SECTION>
        <SECTNO>§ 63.15-1</SECTNO>
        <SUBJECT>General.</SUBJECT>
        <P>(a) Each automatic auxiliary boiler must be designed and constructed for its intended service according to the requirements of the parts referenced in table 1 to § 54.01-5 of this subchapter.</P>
        <P>(b) Controls and safety devices for automatic auxiliary boilers must meet the applicable requirements of ASME CSD-1 (incorporated by reference, see § 63.05-1), except Paragraph CG-310.</P>
        <P>
            (c) All devices and components of an automatic auxiliary boiler must satisfactorily operate within the marine environment. The boiler must satisfactorily operate with a momentary roll of 30°, a list of 15°, and a permanent trim of 5° with it installed in a position as specified by the manufacturer.
            <PRTPAGE P="303"/>
        </P>
        <P>(d) An electrical control used to shut down the automatic auxiliary boiler must be installed in accordance with § 58.01-25 of this subchapter. This device must stop the fuel supply to the fuel burning equipment.</P>
        <P>(e) Mercury tube actuated controls are prohibited from being installed and used on automatic auxiliary boilers.</P>
        <CITA>[CGD 88-057, 55 FR 24238, June 15, 1990, as amended by USCG-2003-16630, 73 FR 65191, Oct. 31, 2008]</CITA>
    </SECTION>
</CFRGRANULE>
