{"operation":"document","citation":"P-76-042","title":"NTSB Safety Recommendation P-76-042","source_type":"guidance","agency":"National Transportation Safety Board","status":"guidance","official":true,"published_on":"1976-08-20","effective_on":"1976-08-20","summary":"IMPLEMENT THE RECOMMENDATION MADE IN THE SAFETY BOARD'S SPECIAL STUDY ON \"A SYSTEMATIC APPROACH TO PIPELINE SAFETY.\"","machine_formats":{"json":"https://regulus.evalyn.ai/document/ntsb-recommendation-p-76-042.json","markdown":"https://regulus.evalyn.ai/document/ntsb-recommendation-p-76-042.md"},"app_url":"https://regulus.evalyn.ai/document/ntsb-recommendation-p-76-042","source_url":"https://data.ntsb.gov/carol-main-public/sr-details/P-76-042","body":"NTSB safety recommendation P-76-042.\n\nIMPLEMENT THE RECOMMENDATION MADE IN THE SAFETY BOARD'S SPECIAL STUDY ON \"A SYSTEMATIC APPROACH TO PIPELINE SAFETY.\"\n\nPriority: CLASS II\n\nOverall Status: Closed - Acceptable Action\n\nIssued Date: 1976-08-20\n\nAdopted Date: 1976-06-30\n\nOverall Date Closed: 1977-07-29\n\nSynopsis: ON MAY 12, 1975, AN 8-INCH PIPELINE, WHICH WAS CLOSED IN UNDER PRESSURE AND WHICH WAS OWNED BY DOW CHEMICAL U.S.A AND OPERATED AS THE BRONCO PIPE LINE COMPANY, RUPTURED NEAR DEVERS, TEXAS. NATURAL GAS LIQUIDS AT 1,425 PSIG PRESSURE ERRUPTED FROM A FRACTURE NEAR THE TOP OF THE PIPE. THE LIQUIDS VAPORIZED, MIXED WITH AIR, AND FORMED A CLOUD WHICH DRIFTED TO THE SOUTHWEST OVER U.S. HIGHWAY 90. AN AUTOMOBILE ENTERED THE VAPOR CLOUD AND IGNITED THE ETHANE-PROPANE VAPORS. THE RESULTING EXPLOSION AND FIRE KILLED THE FOUR PERSONS IN THE AUTOMOBILE, MELTED TELEPHONE AND ELECTRIC POWER LINES, WARPED RAILROAD TRACKS, BURNED AND SCORCHED ADJACENT WOODLANDS, AND INTERRUPTED RAIL AND HIGHWAY TRAFFIC.\n\nNtsbnumber: PLD75XR001\n\nReport Number: PAR-76-05\n\nAddressee Name: American Petroleum Institute\n\nAddressee Status: Closed--No Longer Applicable\n\nAddressee Date Closed: 1977-07-29\n\nAddressee Acronym: API\n\nAddressee Organization Type: A-Associations\n\nCommunication Date: 1976-11-15\n\nCommunication Type: Official Correspondence\n\nCommunication Contents: LTR. FROM AMERICAN PETROLEUM INSTITUTE: THE INSTITUTE WILL TAKE RECOMMENDATION P-76-42 UNDER ADVISEMENT, REVIEW THE EARLIER RECOMMENDATION AGAIN AND INFORM YOU OF ANY FURTHER ACTION WE MAY FIND INDICATED.","truncated":false,"body_characters":1564}