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Safety Recommendation Details

Safety Recommendation P-73-051
Details
Synopsis: 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.
Recommendation: THE NTSB RECOMMENDS THAT THE PHILLIPS PIPE LINE COMPANY; EXAMINE ITS PIPELINE SYSTEM AND EXCAVATE THE LINE ON A RANDOM SAMPLE BASIS IN AREAS WHERE FULL-WRAP REINFORCEMENT SLEEVES HAVE BEEN INSTALLED, AND INSPECT THOSE REPAIRED SECTIONS FOR POSSIBLE AREAS OF STRESS CONCENTRATION.
Original recommendation transmittal letter: PDF
Overall Status: Closed - Acceptable Action
Mode: Pipeline
Location: Austin, TX, United States
Is Reiterated: No
Is Hazmat: No
Is NPRM: No
Accident #: 80284
Accident Reports:
Phillips Pipeline Company, Natural Gas Liquids Fire
Report #: PAR-73-04
Accident Date: 2/22/1973
Issue Date: 11/13/1973
Date Closed: 7/20/1976
Addressee(s) and Addressee Status: Phillips Petroleum Company (Closed--No Longer Applicable)
Keyword(s):

Safety Recommendation History
From: Phillips Petroleum Company
To: NTSB
Date: 8/28/1974
Response: LETTER FROM PHILLIPS PIPELINE COMPANY: PHILLIPS MADE OVER 50 INSPECTIONS AT DIFFERENT LOCATIONS AND UNCOVERED IN EXCESS OF 23,000 FEET OF PIPE WHERE FULLWRAP HAD BEEN PREVIOUSLY INSTALLED. IN ADDITION, PHILLIPS ALSO ELECTED TO HYDROSTATICALLY TEST THE ENTIRE PIPELINE.