{"operation":"document","citation":"P-76-025","title":"NTSB Safety Recommendation P-76-025","source_type":"guidance","agency":"National Transportation Safety Board","status":"guidance","official":true,"published_on":"1976-06-14","effective_on":"1976-06-14","summary":"REDUCE THE PRESSURE IN THOSE SECTIONS WHERE SEAMS HAVE FAILED UNTIL THEY CAN BE RETESTED OR INSPECTED INTERNALLY. THE PRESSURE SHOULD NOT EXCEED 1,155 PSIG. (URGENT)","machine_formats":{"json":"https://regulus.evalyn.ai/document/ntsb-recommendation-p-76-025.json","markdown":"https://regulus.evalyn.ai/document/ntsb-recommendation-p-76-025.md"},"app_url":"https://regulus.evalyn.ai/document/ntsb-recommendation-p-76-025","source_url":"https://data.ntsb.gov/carol-main-public/sr-details/P-76-025","body":"NTSB safety recommendation P-76-025.\n\nREDUCE THE PRESSURE IN THOSE SECTIONS WHERE SEAMS HAVE FAILED UNTIL THEY CAN BE RETESTED OR INSPECTED INTERNALLY. THE PRESSURE SHOULD NOT EXCEED 1,155 PSIG. (URGENT)\n\nPriority: CLASS I\n\nOverall Status: Closed - Acceptable Action\n\nIssued Date: 1976-06-14\n\nAdopted Date: 1976-05-21\n\nOverall Date Closed: 1986-12-03\n\nSynopsis: ON FEBRUARY 25, 1976, A MID-AMERICA PIPE LINE SYSTEM 8-INCH LIQUEFIED PETROLEUM GAS PIPELINE RUPTURED NEAR WHITHARRAL, TEXAS. THE ESCAPING LPG VAPORIZED, FORMED A LOW-LYING CLOUD, AND IGNITED. THE OCCUPANTS OF TWO DWELLINGS IN THE AREA WERE BURNED SEVERELY, AND FIVE WERE KILLED.\n\nProbable Cause: Investigation showed that the longitudinal seam of the 8 inch pipe had split. The 8 1/2-foot -long split was located on the side of the pipe at the 9:00 position. The pipe was manufactured by Jones and Laughlin Steel Corporation in 1960.\n\nNtsbnumber: DCA76FP016\n\nReport Number: None\n\nAddressee Name: Mid-America Pipeline System\n\nAddressee Status: Closed - Acceptable Action\n\nAddressee Date Closed: 1986-12-03\n\nAddressee Organization Type: P-Private Industry\n\nCommunication Date: 1986-12-03\n\nCommunication Type: Official Correspondence\n\nCommunication Contents: THIS IS ACTUALLY A FOLLOWUP AND THE FOLLOWING IS A HISTORY OF PAST CORRESPONDENCE. MID-AMERICA'S RESPONSE OF JUNE 15, 1976. NTSB'S FOLLOWUP LETTER OF JULY 30, 1976.\n\nAddressee Organization Type: P-Private Industry\n\nCommunication Date: 1986-12-03\n\nCommunication Type: Official Correspondence","truncated":false,"body_characters":1509}