LAC 43:XIII.2913. Transmission Lines: Permanent Field Repair of Imperfections and Damages [49 CFR 192.713]

A. Each imperfection or damage that impairs the serviceability of pipe in a steel transmission line operating at or above 40 percent of SMYS must be: [49 CFR 192.713(a)] 1. removed by cutting out and replacing a cylindrical piece of pipe; or [49 CFR 192.713(a)(1)] 2. repaired by a method that reliable engineering tests and analyses show can permanently restore the serviceability of the pipe. [49 CFR 192.713(a)(2)] B. Operating pressure must be at a safe level during repair operations. [49 CFR 192.713(b)]