49 C.F.R. § 192.65 Transportation of pipe.
Title 49 - Transportation
In a pipeline to be operated at a hoop stress of 20 percent or more of SMYS, an operator may not use pipe having an outer diameter to wall thickness ratio of 70 to 1, or more, that is transported by railroad unless: (a) The transportation is performed in accordance with API RP 5L1. (b) In the case of pipe transported before November 12, 1970, the pipe is tested in accordance with subpart J of this part to at least 1.25 times the maximum allowable operating pressure if it is to be installed in a class 1 location and to at least 1.5 times the maximum allowable operating pressure if it is to be installed in a class 2, 3, or 4 location. Notwithstanding any shorter time period permitted under subpart J of this part, the test pressure must be maintained for at least 8 hours. [Amdt. 192–12, 38 FR 4761, Feb. 22, 1973, as amended by Amdt. 192–17, 40 FR 6346, Feb. 11, 1975; 58 FR 14521, Mar. 18, 1993]
Title 49: Transportation
PART 192—TRANSPORTATION OF NATURAL AND OTHER GAS BY PIPELINE: MINIMUM FEDERAL SAFETY STANDARDS
Subpart B—Materials
§ 192.65 Transportation of pipe.
