La. Admin. Code tit. 43 § XI-4529

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

Section XI-4529 - Welds: Nondestructive Testing and Retention of Testing Records (Formerly section 1529)

A. A weld may be nondestructively tested by any process that will clearly indicate any defects that may affect the integrity of the weld.

B. Any nondestructive testing of welds must be performed:

1. in accordance with a written set of procedures for nondestructive testing; and

2. with personnel that have been trained in the established procedures and in the use of the equipment employed in the testing.

C. Procedures for the proper interpretation of each weld inspection must be established to ensure the acceptability of the weld under §4525

D. During construction, at least 10 percent of the girth welds made by each welder during each welding day must be nondestructively tested over the entire circumference of the weld.

E. In the following locations, 100 percent of the girth welds must be nondestructively tested:

1. at any onshore location where a loss of transported fluid could reasonably be expected to pollute any stream, river, lake, reservoir, or other body of water, and any offshore area unless impracticable, in which case only 90 percent of each day's welds need be tested;

2. within railroad or public roads rights-of-way;

3. at overhead road crossings and within tunnels;

4. at pipeline tie-ins;

5. within the limits of any incorporated subdivision of the state;

6. 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;

7. when installing used pipe, 100 percent of the old girth welds must be nondestructively tested.

La. Admin. Code tit. 43, § XI-4529

Promulgated by the Department of Natural Resources, Office of Conservation, LR 12:115 (February 1986), repromulgated LR 49314 (2/1/2023).

AUTHORITY NOTE: Promulgated in accordance with R.S. 30:4(C)(17) and R.S. 30:1104(A).