49 C.F.R. § 192.713 Transmission lines: Permanent field repair of imperfections and damages.
Title 49 - Transportation
(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— (1) Removed by cutting out and replacing a cylindrical piece of pipe; or (2) Repaired by a method that reliable engineering tests and analyses show can permanently restore the serviceability of the pipe. (b) Operating pressure must be at a safe level during repair operations. [Amdt. 192–88, 64 FR 69665, Dec. 14, 1999]
Title 49: Transportation
PART 192—TRANSPORTATION OF NATURAL AND OTHER GAS BY PIPELINE: MINIMUM FEDERAL SAFETY STANDARDS
Subpart M—Maintenance
§ 192.713 Transmission lines: Permanent field repair of imperfections and damages.
