[Code of Federal Regulations]

[Title 49, Volume 4]

[Revised as of October 1, 2005]

From the U.S. Government Printing Office via GPO Access

[CITE: 49CFR229.51]



[Page 391-392]

 

                        TITLE 49--TRANSPORTATION

 

       CHAPTER II--FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF 

                             TRANSPORTATION

 

PART 229_RAILROAD LOCOMOTIVE SAFETY STANDARDS--Table of Contents

 

                      Subpart C_Safety Requirements

 

Sec. 229.51  Aluminum main reservoirs.



    (a) Aluminum main reservoirs used on locomotives shall be designed 

and fabricated as follows:

    (1) The heads and shell shall be made of Aluminum Association Alloy 

No. 5083-0, produced in accordance with American Society of Mechnical 

Engineers (ASME) Specification SB-209, as defined in the ``ASME Boiler 

and Pressure Vessel Code'' (1971 edition), section II, Part B, page 123, 

with a minimum tensile strength of 40,000 p.s.i. (40 k.s.i.).

    (2) Each aluminum main reservoir shall be designed and fabricated in 

accordance with the ``ASME Boiler and Pressure Vessel Code,'' section 

VIII, Division I (1971 edition), except as otherwise provided in this 

part.

    (3) An aluminum main reservoir shall be constructed to withstand at 

least five times its maximum working pressure or 800 p.s.i., whichever 

is greater.

    (4) Each aluminum main reservoir shall have at least two inspection 

openings to permit complete circumferential visual observation of the 

interior surface. On reservoirs less than 18 inches in diameter, the 

size of each inspection opening shall be at least that of 1\1/2\-inch 

threaded iron pipe, and on reservoirs 18 or more inches in diameter, the 

size of each opening shall be at least that of 2-inch threaded iron 

pipe.

    (b) The following publications, which contain the industry standards 

incorporated by reference in paragraph (a) of this section, may be 

obtained from the publishers and are also on file in the Office of 

Safety of the Federal Railroad Administration, Washington, DC 20590. 

Sections II and VIII of the ``ASME Boiler and Pressure Vessel Code'' 

(1971 edition) are published by the American Society of Mechanical 

Engineers,



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