Leakage survey and repair requirement before uprating

(1)Rule 316. (1) In addition to the requirements contained in 49 C.F.R.§192.555(b)(2), which is adopted by reference in R 460.20606, an operator shall conduct a leakage survey and repair all leaks found before the operator begins uprating any segment of a steel pipeline to an operating pressure that will produce a hoop stress of 30% or more of the specified minimum yield strength for the pipeline.#

(2)The provisions contained in 49 C.F.R. §192.557(b)(2), which is adopted by reference in R 460.20606, are superseded by the requirement that before an operator begins uprating any segment of a steel pipeline to an operating pressure that will produce a hoop stress of less than 30% of the specified minimum yield strength, a leakage survey must be conducted and all leaks found shall be repaired.#

History: 1998-2000 AACS; 2019 AACS.#

Editor's Note: An obvious error in R 460.20316 was corrected at the request of the promulgating agency, pursuant to Section 56 of 1969 PA 306, as amended by 2000 PA 262, MCL 24.256. The rule containing the error was published in Michigan Register, 2019 MR 1. The memorandum requesting the correction was published in Michigan Register, 2019 MR 1.#