[Code of Federal Regulations]
[Title 49, Volume 3]
[Revised as of October 1, 2004]
From the U.S. Government Printing Office via GPO Access
[CITE: 49CFR192.65]

[Page 39]
 
                        TITLE 49--TRANSPORTATION
 
 CHAPTER I--RESEARCH AND SPECIAL PROGRAMS ADMINISTRATION, DEPARTMENT OF 
                       TRANSPORTATION (CONTINUED)
 
PART 192_TRANSPORTATION OF NATURAL AND OTHER GAS BY PIPELINE: MINIMUM 
FEDERAL SAFETY STANDARDS--Table of Contents
 
                           Subpart B_Materials
 
Sec. 192.65  Transportation of pipe.

    In a pipeline to be operated at a hoop stress of 20 percent or more 
of SMYS, an operator may not use pipe having an outer diameter to wall 
thickness ratio of 70 to 1, or more, that is transported by railroad 
unless:
    (a) The transportation is performed in accordance with API RP 5L1.
    (b) In the case of pipe transported before November 12, 1970, the 
pipe is tested in accordance with subpart J of this part to at least 
1.25 times the maximum allowable operating pressure if it is to be 
installed in a class 1 location and to at least 1.5 times the maximum 
allowable operating pressure if it is to be installed in a class 2, 3, 
or 4 location. Notwithstanding any shorter time period permitted under 
subpart J of this part, the test pressure must be maintained for at 
least 8 hours.

[Amdt. 192-12, 38 FR 4761, Feb. 22, 1973, as amended by Amdt. 192-17, 40 
FR 6346, Feb. 11, 1975; 58 FR 14521, Mar. 18, 1993]