{"data":{"id":"us/49-cfr-192.111","jurisdiction":"us","citation":"49 CFR 192.111","heading":"Design factor (F) for steel pipe.","body":"(a) Except as otherwise provided in paragraphs (b), (c), and (d) of this section, the design factor to be used in the design formula in § 192.105 is determined in accordance with the following table:\nClass location Design factor (F)\n1 0.72\n2 0.60\n3 0.50\n4 0.40\n(b) A design factor of 0.60 or less must be used in the design formula in § 192.105 for steel pipe in Class 1 locations that:\n(1) Crosses the right-of-way of an unimproved public road, without a casing;\n(2) Crosses without a casing, or makes a parallel encroachment on, the right-of-way of either a hard surfaced road, a highway, a public street, or a railroad;\n(3) Is supported by a vehicular, pedestrian, railroad, or pipeline bridge; or\n(4) Is used in a fabricated assembly, (including separators, mainline valve assemblies, cross-connections, and river crossing headers) or is used within five pipe diameters in any direction from the last fitting of a fabricated assembly, other than a transition piece or an elbow used in place of a pipe bend which is not associated with a fabricated assembly.\n(c) For Class 2 locations, a design factor of 0.50, or less, must be used in the design formula in § 192.105 for uncased steel pipe that crosses the right-of-way of a hard surfaced road, a highway, a public street, or a railroad.\n(d) For Class 1 and Class 2 locations, a design factor of 0.50, or less, must be used in the design formula in § 192.105 for—\n(1) Steel pipe in a compressor station, regulating station, or measuring station; and\n(2) Steel pipe, including a pipe riser, on a platform located offshore or in inland navigable waters.","path":["Title 49—Transportation","Subtitle B—Other Regulations Relating to Transportation","CHAPTER I—PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","SUBCHAPTER D—PIPELINE SAFETY","PART 192—TRANSPORTATION OF NATURAL AND OTHER GAS BY PIPELINE: MINIMUM FEDERAL SAFETY STANDARDS","Subpart C—Pipe Design"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-49.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:34Z","sha256":"c432c2dad6832857d790ab5626184ce28bf1dbc37f546e044228399d20fefe19","source_id":"us-cfr","stale":true,"prev":"us/49-cfr-192.109","next":"us/49-cfr-192.112"},"notice":"GroundRules: Original legal text. Not legal advice."}