[Code of Federal Regulations]
[Title 49, Volume 4]
[Revised as of October 1, 2002]
From the U.S. Government Printing Office via GPO Access
[CITE: 49CFR238.223]

[Page 551]
 
                        TITLE 49--TRANSPORTATION
 
       CHAPTER II--FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF 
                             TRANSPORTATION
 
PART 238--PASSENGER EQUIPMENT SAFETY STANDARDS--Table of Contents
 
     Subpart C--Specific Requirements for Tier I Passenger Equipment
 
Sec. 238.223  Locomotive fuel tanks.

    Locomotive fuel tanks shall comply with either the following or an 
industry standard providing at least an equivalent level of safety if 
approved by FRA under Sec. 238.21:
    (a) External fuel tanks. External locomotive fuel tanks shall comply 
with the requirements contained in Appendix D to this part.
    (b) Internal fuel tanks.
    (1) Internal locomotive fuel tanks shall be positioned in a manner 
to reduce the likelihood of accidental penetration from roadway debris 
or collision.
    (2) Internal fuel tank vent systems shall be designed so they do not 
become a path of fuel loss in any tank orientation due to a locomotive 
overturning.
    (3) Internal fuel tank bulkheads and skin shall, at a minimum, be 
equivalent to a 5/16-inch thick steel plate with a yield strength of 
25,000 pounds per square inch. Material of a higher yield strength may 
be used to decrease the required thickness of the material provided at 
least an equivalent level of strength is maintained. Skid plates are not 
required.

[67 FR 19991, Apr. 23, 2002]