[Code of Federal Regulations]
[Title 49, Volume 3]
[Revised as of October 1, 2003]
From the U.S. Government Printing Office via GPO Access
[CITE: 49CFR195.212]

[Page 144]
 
                        TITLE 49--TRANSPORTATION
 
 CHAPTER I--RESEARCH AND SPECIAL PROGRAMS ADMINISTRATION, DEPARTMENT OF 
                       TRANSPORTATION (CONTINUED)
 
PART 195--TRANSPORTATION OF HAZARDOUS LIQUIDS BY PIPELINE--Table of Contents
 
                         Subpart D--Construction
 
Sec. 195.212  Bending of pipe.

    (a) Pipe must not have a wrinkle bend.
    (b) Each field bend must comply with the following:
    (1) A bend must not impair the serviceability of the pipe.
    (2) Each bend must have a smooth contour and be free from buckling, 
cracks, or any other mechanical damage.
    (3) On pipe containing a longitudinal weld, the longitudinal weld 
must be as near as practicable to the neutral axis of the bend unless--
    (i) The bend is made with an internal bending mandrel; or
    (ii) The pipe is 12\3/4\ in (324 mm) or less nominal outside 
diameter or has a diameter to wall thickness ratio less than 70.
    (c) Each circumferential weld which is located where the stress 
during bending causes a permanent deformation in the pipe must be 
nondestructively tested either before or after the bending process.

[Amdt. 195-22, 46 FR 38360, July 27, 1981, as amended by Amdt. 195-52, 
59 FR 33396, June 28, 1994; Amdt. 195-63, 63 FR 37506, July 13, 1998]