{"operation":"document","citation":"P-73-054","title":"NTSB Safety Recommendation P-73-054","source_type":"guidance","agency":"National Transportation Safety Board","status":"guidance","official":true,"published_on":"1973-11-13","effective_on":"1973-11-13","summary":"THE NTSB RECOMMENDS THAT THE PHILLIPS PIPE LINE COMPANY: MAKE COMPREHENSIVE SOIL TESTS ALONG THIS ENTIRE PIPELINE RIGHT-OF-WAY PARTICULARLY IN AREAS WHERE PIPELINE FAILURES HAVE OCCURRED. AS A RESULT OF THESE TESTS, PHILLIPS SHOULD CHECK THE PIPE IN AREAS OF SEVERE SOIL SWELL POTENTIAL AND SHOULD REPLACE, ANCHOR, OR PROVIDE ADDITIONAL SLACK FOR PIPE THROUGH THE AREA.","machine_formats":{"json":"https://regulus.evalyn.ai/document/ntsb-recommendation-p-73-054.json","markdown":"https://regulus.evalyn.ai/document/ntsb-recommendation-p-73-054.md"},"app_url":"https://regulus.evalyn.ai/document/ntsb-recommendation-p-73-054","source_url":"https://data.ntsb.gov/carol-main-public/sr-details/P-73-054","body":"NTSB safety recommendation P-73-054.\n\nTHE NTSB RECOMMENDS THAT THE PHILLIPS PIPE LINE COMPANY: MAKE COMPREHENSIVE SOIL TESTS ALONG THIS ENTIRE PIPELINE RIGHT-OF-WAY PARTICULARLY IN AREAS WHERE PIPELINE FAILURES HAVE OCCURRED. AS A RESULT OF THESE TESTS, PHILLIPS SHOULD CHECK THE PIPE IN AREAS OF SEVERE SOIL SWELL POTENTIAL AND SHOULD REPLACE, ANCHOR, OR PROVIDE ADDITIONAL SLACK FOR PIPE THROUGH THE AREA.\n\nPriority: CLASS II\n\nOverall Status: Closed - Acceptable Action\n\nIssued Date: 1973-11-13\n\nAdopted Date: 1973-11-07\n\nOverall Date Closed: 1976-07-20\n\nSynopsis: ON FEBRUARY 22, 1973, NATURAL GAS LIQUIDS LEAKED FROM A RUPTURED 10-INCH PIPELINE AT A PUMP STATION IN AUSTIN, TEXAS, FLOWED INTO DITCHES ALONGSIDE A ROAD ADJACENT TO THE STATION, AND VAPORIZED. A DODGE VAN DROVE INTO THE VAPOR-RICH ZONE AND STALLED. WHEN THE DRIVER ATTEMPTED TO RESTART THE ENGINE, THE VAPOR IGNITED, AND THE DRIVER AND SEVEN PASSENGERS WERE ENGULFED IN FLAMES. SIX OF THESE PERSONS DIED AND TWO WERE CRITICALLY BURNED.\n\nNtsbnumber: PLD73XR005\n\nReport Number: PAR-73-04\n\nAddressee Name: Phillips Petroleum Company\n\nAddressee Status: Closed--No Longer Applicable\n\nAddressee Date Closed: 1976-07-20\n\nAddressee Organization Type: P-Private Industry\n\nCommunication Date: 1974-08-28\n\nCommunication Type: Official Correspondence\n\nCommunication Contents: LETTER FROM PHILLIPS PIPE LINE COMPANY: INVESTIGATIONS DETERMINED THAT SEVERE SOIL SWELL POTENTIAL EXISTED ONLY IN THE AUSTIN AREA. AS THE RESULT OF THESE FINDINGS 47 MILES OF PIPE WERE REPLACED FROM MP 247 TO MP 294. AUSTIN STATION IS MP 274.","truncated":false,"body_characters":1576}