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Safety Recommendation Details

Safety Recommendation P-76-026
Details
Synopsis: ON JANUARY 7, 1976, EMPLOYEES AT THE MICHIGAN-WISCONSIN PIPE LINE COMPANY'S CEDARDALE, OKLAHOMA, COMPRESSOR STATION WERE DIRECTED TO OPEN A VALVE ON A SHUT-IN 12-INCH GAS-GATHERING PIPELINE IN AN ATTEMPT TO INCREASE THE FLOW INTO THE MAIN LINE. NATURAL GAS AND NATURAL GAS LIQUIDS AT 700-PSIG PRESSURE ROARED THROUGH THE VALVE, OUT THROUGH THE END OF AN OPEN 12-INCH PIPE, AND INTO A DITCH, WHERE SEVEN MEN WERE WORKING NEAR AN OPEN FLAME HEATER. THE NATURAL GAS LIQUIDS SATURATED THEIR CLOTHINGAND THE HEATER SET THEM ON FIRE. FIVE MEN WERE KILLED AND TWO MEN WERE BURNED SERIOUSLY AS A RESULT OF THIS ACCIDENT.
Recommendation: ADVISE THEIR MEMBER COMPANIES WHO OPERATE SIMILAR NATURAL GAS-GATHERING PIPELINE SYSTEMS OF THE IMPORTANCE OF FOLLOWING PRECISELY THE WRITTEN PROCEDURES COVERING THESE SITUATIONS. (URGENT)
Original recommendation transmittal letter: PDF
Overall Status: Closed - Acceptable Action
Mode: Pipeline
Location: Mooreland, OK, United States
Is Reiterated: No
Is Hazmat: No
Is NPRM: No
Accident #: DCA76FP012
Accident Reports:
Report #: None
Accident Date: 1/7/1976
Issue Date: 6/23/1976
Date Closed: 7/8/1985
Addressee(s) and Addressee Status: Interstate Natural Gas Association of America (Closed - Acceptable Action)
Keyword(s):

Safety Recommendation History
From: NTSB
To: Interstate Natural Gas Association of America
Date: 7/8/1985
Response:

From: Interstate Natural Gas Association of America
To: NTSB
Date: 6/23/1976
Response: LTR FROM INTERSTATE NATURAL GAS ASSOCIATION: WE HAVE TODAY FORWARDED COPIES OF THESE DOCUMENTS TO THE MEMBERS OF THIS ASSOCIATION.