La. Admin. Code tit. 33 § V-30234

Current through Register Vol. 50, No. 9, September 20, 2024

Section V-30234 - Welds: Nondestructive Testing [49 CFR 195.234]

A. A weld may be nondestructively tested by any process that will clearly indicate any defects that may affect the integrity of the weld. [ 49 CFR 195.234(a)]

B. Any nondestructive testing of welds must be performed: [ 49 CFR 195.234(b)]

1. in accordance with a written set of procedures for nondestructive testing; and [ 49 CFR 195.234(b)(1)]

2. with personnel that have been trained in the established procedures and in the use of the equipment employed in the testing. [ 49 CFR 195.234(b)(2)]

C. Procedures for the proper interpretation of each weld inspection must be established to ensure the acceptability of the weld under §30228 [ 49 CFR 195.234(c)]

D. During construction, at least 10 percent of the girth welds made by each welder and welding operator during each welding day must be nondestructively tested over the entire circumference of the weld. [ 49 CFR 195.234(d)]

E. All girth welds installed each day in the following locations must be nondestructively tested over their entire circumference, except that when nondestructive testing is impracticable for a girth weld, it need not be tested if the number of girth welds for which testing is impracticable does not exceed 10 percent of the girth welds installed that day: [ 49 CFR 195.234(e)]

1. at any onshore location where a loss of hazardous liquid could reasonably be expected to pollute any stream, river, lake, reservoir, or other body of water, and any offshore area; [ 49 CFR 195.234(e)(1)]

2. within railroad or public road rights-of-way; [ 49 CFR 195.234(e)(2)]

3. at overhead road crossings and within tunnels; [ 49 CFR 195.234(e)(3)]

4. within the limits of any incorporated subdivision of a state government; and [ 49 CFR 195.234(e)(4)]

5. within populated areas, including, but not limited to, residential subdivisions, shopping centers, schools, designated commercial areas, industrial facilities, public institutions, and places of public assembly. [ 49 CFR 195.234(e)(5)]

F. When installing used pipe, 100 percent of the old girth welds must be nondestructively tested. [ 49 CFR 195.234(f)]

G. At pipeline tie-ins, including tie-ins of replacement sections, 100 percent of the girth welds must be nondestructively tested. [ 49 CFR 195.234(g)]

La. Admin. Code tit. 33, § V-30234

Promulgated by the Department of Natural Resources, Office of Conservation, Pipeline Division, LR 29:2819 (December 2003), Amended LR 441026 (6/1/2018).

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