LAC 33:V.30306. Test Medium [49 CFR 195.306]

A. Except as provided in §30306.B, C, and D, water must be used as the test medium. [49 CFR 195.306(a)] B. Except for offshore pipelines, liquid petroleum that does not vaporize rapidly may be used as the test medium if: [49 CFR 195.306(b)] 1. the entire pipeline section under test is outside of cities and other populated areas; [49 CFR 195.306(b)(1)] 2. each building within 300 feet (91 meters) of the test section is unoccupied while the test pressure is equal to or greater than a pressure which produces a hoop stress of 50 percent of specified minimum yield strength; [49 CFR 195.306(b)(2)] 3. the test section is kept under surveillance by regular patrols during the test; and [49 CFR 195.306(b)(3)] 4. continuous communication is maintained along entire test section. [49 CFR 195.306(b)(4)] C. Carbon dioxide pipelines must use water as the test medium unless another medium is approved by the Commissioner. [49 CFR 195.306(c)] D. Air or inert gas may be used as the test medium in low stress pipelines. [49 CFR 195.306(d)]