§ 192.713 Transmission lines: Permanent field repair of imperfections and damages.

(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.

[!quote] Source citation [Amdt. 192-88, 64 FR 69665, Dec. 14, 1999]