[Code of Federal Regulations]
[Title 49, Volume 4]
[Revised as of October 1, 2004]
From the U.S. Government Printing Office via GPO Access
[CITE: 49CFR230.36]

[Page 382]
 
                        TITLE 49--TRANSPORTATION
 
       CHAPTER II--FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF 
                             TRANSPORTATION
 
PART 230_STEAM LOCOMOTIVE INSPECTION AND MAINTENANCE STANDARDS--Table of 
Contents
 
                   Subpart B_Boilers and Appurtenances
 
Sec. 230.36  Hydrostatic testing of boilers.

    (a) Time of test. The locomotive owner and/or operator shall 
hydrostatically test every boiler at the following times:
    (1) During the 1472 service day inspection, and at every annual 
inspection thereafter;
    (2) After making any alteration to the boiler;
    (3) After installing a flush patch on an unstayed portion of the 
boiler; and
    (4) After any riveting on an unstayed portion of the boiler.
    (b) Method of testing. The metal temperature of the boiler shall be 
between 70 degrees Fahrenheit and 120 degrees Fahrenheit each time it is 
subjected to any hydrostatic pressure. Hydrostatic testing required by 
these rules shall be conducted at 25 percent above the MAWP.
    (c) Internal inspection. An internal inspection of the boiler shall 
be conducted following any hydrostatic test where the pressure exceeds 
MAWP.

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