255.711 Transmission lines: general requirements for repair procedures.

Each operator must take immediate temporary measures to protect the public whenever:#

(1)a leak, imperfection or damage that impairs its serviceability is found in a segment of steel transmission line, or distribution main operating at 125 psig (862 kPa) or more in a Class 3 or 4 location; and#

(2)it is not feasible to make a permanent repair at the time of discovery.#

An operator must make permanent repairs on its pipeline system according to the following:#

(1)non integrity management repairs. The operator must make permanent repairs as soon as feasible;#

(2)integrity management repairs. When an operator discovers a condition on a pipeline covered under Subpart O-Gas Transmission Pipeline Integrity Management, the operator must remediate the condition as prescribed by section 255.933(d) of this Part.#

Except as provided in section 255.717(b)(3) of this Part, no operator may use a welded patch as a means of repair.#