{"operation":"document","citation":"PI-93-041","title":"Memo: Internal — Pipeline Safety Interpretation","source_type":"guidance","agency":"Pipeline and Hazardous Materials Safety Administration","status":"guidance","official":true,"published_on":"1993-07-16","effective_on":null,"summary":"PI-93-041 response to Memo: Internal concerning 195.406.","machine_formats":{"json":"https://regulus.evalyn.ai/document/phmsa-interpretation-pi-93-041.json","markdown":"https://regulus.evalyn.ai/document/phmsa-interpretation-pi-93-041.md"},"app_url":"https://regulus.evalyn.ai/document/phmsa-interpretation-pi-93-041","source_url":"https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/legacy/interpretations/Interpretation%20Files/Pipeline/1993/PI93041.pdf","body":"<<<PAGE 1>>>\n\nFROM: DeLeon, Cesar\nTO: Huntoon, Ivan DATE: 07/16/93\nTIME: 1:39 PM\nCC: DeLeon, Cesar\nSUBJECT: Records for pressure tests - HVL lines\nPRIORITY:\nATTACHMENTS:\n--------------------------------------------------------------------------------------------------\nYour July 14, 1993 draft letter to Mosteller regarding testing records that must be\nmaintained to satisfy requirements of 195.406(a) (5) is O.K. Send it.\nYour 7/14/93 fax attaching \"Ulysses to Scott City Pipeline; Hydrostatic Test Daily Report;\nUlysses to Holcomb Station\" requested to know if this daily report complied with the\nrequirements for \"recording charts or logs\" in 195.406(a)(5). No it does not, because it is\na daily report of the hydrostatic testing, rather than the \"recording\" chart and log.\ndal\\195.406\\93-07-16\n\n<<<PAGE 2>>>\n\nJuly 14, 1993\nMr. Glen Mosteller\nPlant Manager\nTrident NGL, Inc.\nJayhawk Plant\nRoute 1, Box 14D\nSatanta, Kansas 67870\nThis letter is in response to Mr. Bodenhamer's request for a determination as to the\nrequirements for testing records that must be maintained to satisfy the requirements of\n§195.406(a)(5) of the Regulations for the Transportation of Hazardous Liquids by\nPipelines (Title 49 C.F.R., Part 195). Records pertaining to pressure testing of specific\npipelines accompanied the April 28, 1993 request.\nThe regulation, as it pertains to your request, stipulates a requirement for the\ndetermination of maximum operating pressure for an onshore interstate HVL line\nconstructed before January 8, 1971, and an onshore intrastate pipeline constructed before\nOctober 21, 1985, and not tested under Subpart E of Part 195. Section 195.406(a)(5)\nlimits the maximum operating pressure based on a pressure test or previous operating\npressure. The limitation is:\na. 80% of the test pressure to which the pipeline was subjected for four or\nmore continuous hours, or\nb. 80% of the operating pressure to which the pipeline was subjected for four\nor more continuous hours.\nAdditionally, the pressure test or the operating pressure, whichever is used, must be\ndocumented by recording charts or logs made at the time the test or operations were\nconducted.\nClarification of the requirements for documentation of the test pressure or operating\npressure is found in the discussion of the final rule of the amendment to the regulations\nwhich provided this criteria for determination of maximum operating pressure,\nAmendment 195-17, Testing Highly Volatile Liquid Pipelines. A copy of this document is\nattached. It states:\n\"the final rules require carriers who wish to demonstrate that pipelines have been\npreviously tested to 125 percent of MOP to use recording charts or logs made at\nthe time the test was conducted.\"\ndal\\195.406\\93-07-16\n\n<<<PAGE 3>>>\n\nTherefore, the documentation required must include the recording charts or logs of the\npressures that were made over the 4-hour period during which the test or operation was\nconducted. A summary report or a declaration that the test or operation was conducted is\nnot satisfactory documentation.\nBased on our review of the records submitted, only those records which include a\nrecording chart or a log documenting the pressures maintained over the 4-hour period\nwould be acceptable. The chart or log must have been made throughout the duration of\nthe 4-hour period. Charts and/or logs, as required by this rule, only accompanied the\nrecords for the pipelines identified as:\na. Cheney - Hutchinson 6\"\nb. Cheney - Wichita 6\"\nc. Jayhawk - Hutchinson 8\"\nd. Wilburton - Postle Hough 2\"\nPlease let me know if you have any questions in regard to this matter.\nSincerely,\nIvan A. Huntoon\nDirector, Central Region\nOffice of Pipeline Safety\nAttachment\ndal\\195.406\\93-07-16","truncated":false,"body_characters":3715}