[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: 49CFR192.111]

[Page 40]
 
                        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 C_Pipe Design
 
Sec. 192.111  Design factor (F) for steel pipe.

    (a) Except as otherwise provided in paragraphs (b), (c), and (d) of 
this section, the design factor to be used in the design formula in 
Sec. 192.105 is determined in accordance with the following table:

------------------------------------------------------------------------
                                                                Design
                       Class location                         factor (F)
------------------------------------------------------------------------
1...........................................................        0.72
2...........................................................        0.60
3...........................................................        0.50
4...........................................................        0.40
------------------------------------------------------------------------

    (b) A design factor of 0.60 or less must be used in the design 
formula in Sec. 192.105 for steel pipe in Class 1 locations that:
    (1) Crosses the right-of-way of an unimproved public road, without a 
casing;
    (2) Crosses without a casing, or makes a parallel encroachment on, 
the right-of-way of either a hard surfaced road, a highway, a public 
street, or a railroad;
    (3) Is supported by a vehicular, pedestrian, railroad, or pipeline 
bridge; or
    (4) Is used in a fabricated assembly, (including separators, 
mainline valve assemblies, cross-connections, and river crossing 
headers) or is used within five pipe diameters in any direction from the 
last fitting of a fabricated assembly, other than a transition piece or 
an elbow used in place of a pipe bend which is not associated with a 
fabricated assembly.
    (c) For Class 2 locations, a design factor of 0.50, or less, must be 
used in the design formula in Sec. 192.105 for uncased steel pipe that 
crosses the right-of-way of a hard surfaced road, a highway, a public 
street, or a railroad.
    (d) For Class 1 and Class 2 locations, a design factor of 0.50, or 
less, must be used in the design formula in Sec. 192.105 for--
    (1) Steel pipe in a compressor station, regulating station, or 
measuring station; and
    (2) Steel pipe, including a pipe riser, on a platform located 
offshore or in inland navigable waters.

[35 FR 13257, Aug. 19, 1970, as amended by Amdt. 192-27, 41 FR 34605, 
Aug. 16, 1976]