{"operation":"document","citation":"PI-79-003","title":"Continental-Emsco Company — Pipeline Safety Interpretation","source_type":"guidance","agency":"Pipeline and Hazardous Materials Safety Administration","status":"guidance","official":true,"published_on":"1979-02-16","effective_on":null,"summary":"PI-79-003 response to Continental-Emsco Company concerning 192.149.","machine_formats":{"json":"https://regulus.evalyn.ai/document/phmsa-interpretation-pi-79-003.json","markdown":"https://regulus.evalyn.ai/document/phmsa-interpretation-pi-79-003.md"},"app_url":"https://regulus.evalyn.ai/document/phmsa-interpretation-pi-79-003","source_url":"https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/legacy/interpretations/Interpretation%20Files/Pipeline/1979/PI79003.pdf","body":"<<<PAGE 1>>>\n\nFeb 16 1979\nMr. Gary Faulkenberry\nContinental-Emsco Company\nP.O. Box 401388\nGarland, Texas 75040\nDear Mr. Faulkenberry:\nYour letter of December 5, 1978, refers to Title 49 CFR Section 192.149 Standard Fittings,\nParagraph (b), the second sentence, which reads in part, \"The actual burst strength of the fitting\nmust at least equal the computed burst strength of the pipe of the designated material and wall\nthickness....\" Your specific question was, \"Is there a formula you can recommend to use that will\nadhere to the guidelines set in Section 192.149, Paragraph (b)?\"\nThe requirement of this section is based on Paragraph 8 of ASA-B16.9, \"Wrought Steel\nButtwelding Fittings\" (1964 Edition) which does include a simple hoop stress formula for\ncomputing burst strength. A photo copy of this paragraph is enclosed for your information.\nSincerely,\nCesar DeLeon\nAssociate Director for\nPipeline Safety Regulation\ndal\\192\\149\\79-02-19\n1","truncated":false,"body_characters":944}