La. Admin. Code tit. 33 § V-30424

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

Section V-30424 - Pipe Movement [49 CFR 195.424]

A. No operator may move any line pipe, unless the pressure in the line section involved is reduced to not more than 50 percent of the maximum operating pressure. [ 49 CFR 195.424(a)]

B. No operator may move any pipeline containing highly volatile liquids where materials in the line section involved are joined by welding unless: [ 49 CFR 195.424(b)]

1. movement when the pipeline does not contain highly volatile liquids is impractical; [ 49 CFR 195.424(b)(1) ]

2. the procedures of the operator under §30402 contain precautions to protect the public against the hazard in moving pipelines containing highly volatile liquids, including the use of warnings, where necessary, to evacuate the area close to the pipeline; and [ 49 CFR 195.424(b)(2) ]

3. the pressure in that line section is reduced to the lower of the following: [ 49 CFR 195.424(b)(3)]

a. fifty percent or less of the maximum operating pressure; or [ 49 CFR 195.424(b)(3)(i) ]

b. the lowest practical level that will maintain the highly volatile liquid in a liquid state with continuous flow, but not less than 50 p.s.i. (345 kPa) gage above the vapor pressure of the commodity. [ 49 CFR 195.424(b)(3)(ii) ]

C. No operator may move any pipeline containing highly volatile liquids where materials in the line section involved are not joined by welding unless: [ 49 CFR 195.424(c)]

1. the operator complies with §30424. B.1 and §30424. B.2; and [ 49 CFR 195.424(c)(1) ]

2. that line section is isolated to prevent the flow of highly volatile liquid. [ 49 CFR 195.424(c)(2) ]

La. Admin. Code tit. 33, § V-30424

Promulgated by the Department of Natural Resources, Office of Conservation, Pipeline Division, LR 29:2828 (December 2003).

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