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Safety Recommendation Details

Safety Recommendation P-73-052
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: AMEND ITS MAINTENANCE OPERATING MANUAL TO INCLUDE A SECTION ON STRESS CONCENTRATION AS A RESULT OF IMPROPER REPAIR WELDING.
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Addressee(s) and Addressee Status: Phillips Petroleum Company (Closed--No Longer Applicable)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 PIPE LINE COMPANY: PHILLIPS' MAINTENANCE OPERATING MANUAL HAS BEEN AMENDED TO INCLUDE 'PROCEDURES THAT MUST BE FOLLOWED TO AVOID STRESS CONCENTRATIONS' DURING MAINLINE REPAIR AND MAINTENANCE.