La. Admin. Code tit. 33 § V-30212

Current through Register Vol. 50, No. 11, November 20, 2024

Section V-30212 - Bending of Pipe [49 CFR 195.212]

A. Pipe must not have a wrinkle bend. [ 49 CFR 195.212(a)]

B. Each field bend must comply with the following: [ 49 CFR 195.212(b)]

1. a bend must not impair the serviceability of the pipe; [ 49 CFR 195.212(b)(1)]

2. each bend must have a smooth contour and be free from buckling, cracks, or any other mechanical damage; [ 49 CFR 195.212(b)(2)]

3. on pipe containing a longitudinal weld, the longitudinal weld must be as near as practicable to the neutral axis of the bend unless: [ 49 CFR 195.212(b)(3)]

a. the bend is made with an internal bending mandrel; or [ 49 CFR 195.212(b)(3)(i)]

b. 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. [ 49 CFR 195.212(b)(3)(ii) ]

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. [ 49 CFR 195.212(c)]

La. Admin. Code tit. 33, § V-30212

Promulgated by the Department of Natural Resources, Office of Conservation, Pipeline Division, LR 29:2818 (December 2003).

AUTHORITY NOTE: Promulgated in accordance with R.S. 30:753.