Section 460.20326. Transmission lines; permanent field repair of leaks.

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    (1) In accordance with the requirements contained    in    49 C.F.R.

§192.717(b)(3), which is adopted by reference in   R 460.20606, an operator shall repair a leak that is due to a corrosion pit or that occurs in a transmission line that is joined by mechanical couplings and that operates at less than 40% of the specified minimum yield strength of the pipeline through any of the following procedures:

(a)     The methodology set forth in 49 C.F.R. § 192.717(a).

(b)     The methodology set forth in 49 C.F.R. § 192.717(b)(1).

(c)     The methodology set forth in 49 C.F.R. § 192.717(b)(2).

(2)   An operator shall not repair a leak described in subrule (1) of this rule through use of a fillet welded patch.

History: 1998-2000 AACS; 2009 AACS.

                    
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