{"operation":"document","citation":"PI-82-0103","title":"Pipeline Safety Interpretation PI-82-0103","source_type":"guidance","agency":"Pipeline and Hazardous Materials Safety Administration","status":"guidance","official":true,"published_on":"1982-05-12","effective_on":null,"summary":"PI-82-0103 concerning 192.271.","machine_formats":{"json":"https://regulus.evalyn.ai/document/phmsa-interpretation-pi-82-0103.json","markdown":"https://regulus.evalyn.ai/document/phmsa-interpretation-pi-82-0103.md"},"app_url":"https://regulus.evalyn.ai/document/phmsa-interpretation-pi-82-0103","source_url":"https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/legacy/interpretations/Interpretation%20Files/Pipeline/1982/g82-05-12_haydel_192.271-nlmx.pdf","body":"<<<PAGE 1>>>\n\nPI-82-0103\nMay 12, 1982\nMr. Stanley P. Haydel\nAMP Tuboscope, Inc.\nP. O. Box 808\nHouston, Texas 77001\nDear Mr. Haydel:\nYour letter of March 30, 1982, asks us to confirm on the basis of a laboratory test report from Anderson & Associates,\nInc., that a particular means of mechanically joining lengths of steel pipe meets the requirements of 49 CPR 192.271 and\n192.273.\nThe report shows the results of destructive tests run on API 5L Grade B pipe material. In each of the eight specimens\ntested, tensile and pressure strength values exceeded the 30,000 p.s.i. minimum yield strength of the material. These\ntests plus the hardness values demonstrate the capability of the connection to produce a joint that is stronger than the\ndesign strength of the pipe tested. Thus, the connection appears capable of producing a joint that can withstand\nexpansion and contraction forces and external and internal loading mentioned in §192.273(a), and that is gastight as\nrequired by §192.273(b). However, actual compliance with §192.273 would depend on proper installation of the con-\nnection by a pipeline operator under field conditions, a matter which we can not judge based on the test report alone.\nLet me add that our confirmation is not necessary for you to market the connection. Indeed, Part 192 is intentionally\nself-effectuating to avoid governmental approvals, and it is our policy not to endorse proprietary methods that meet the\napplicable requirements of Part 192.\nSincerely,\nSIGNED\nMelvin A. Judah\nActing Associate Director for\nPipeline Safety Regulation\nMaterials Transportation Bureau\n\n<<<PAGE 2>>>\n\nAMF\nTuboscope, Inc.\nP.O. Box 808\nHouston, Texas 77001\nMarch 30, 1982\nMr. Mel Judah\nAssociate Director of Pipeline Safety Regulations\nMaterial Transportation B\n400 7th Street Southwest\nWashington, D.C. 20590\nDear Mr. Judah:\nAMF Tuboscope, Inc. is marketing a mechanical interference fit connection for joining pipelines. The major uses of such\na connection are for laying water and CO2 flood lines, gathering systems, disposal systems, and transmission lines.\nWe have had a number of questions from pipeline companies relative to our compliance with D.O.T. regulations. In\nattempting to answer such questions, we have been in contact with the D.O.T. office here in Houston. We were\ninformed we would probably fall under Title 49, Subpart F - Joining of Materials Other Than by Welding, Section 192.271\n- Scope and Section 192.273 - General.\nWe were also told we would need an interpretation from your office as to our compliance with the above referenced\nsection. Based on that I am enclosing a copy of the report prepared by an independent testing laboratory on our\nmechanical interference fit connection. The report covers the testing procedures on seamless and EPW pipe joined by\nthe mechanical connection. The results of tensil testing to failure, hydrostatic testing to failure, and hardness testing are\noutlined in the report.\nAs a result of our meeting with the local office, it appears that the connection is in compliance with section 192.271 and\n192.273. We are therefore respectfully requesting your confirmation of our findings.\nShould you have any questions or desire further data, we will be glad to respond.\nSincerely,\nStanley P. Haydel\nSpecial Sales Representative\nCrimp-Kote Services","truncated":false,"body_characters":3314}