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Safety Recommendation Details

Safety Recommendation P-76-074
Details
Synopsis: ON AUGUST 9,1976, A ROAD GRADER RUPTURED A LOOPED, 20-INCH, NATURAL GAS TRANSMISSION LINE IN CARTWRIGHT, LOUISIANA. GAS ESCAPED IN SEVERAL DIRECTIONS FROM THE LINE'S TWO STREAMS AND IGNITED WITHIN SECONDS. THE RESULTING FLAME ENGULFED THE AREA, KILLED SIX RESIDENTS, INJURED ONE PERSON, AND INCINERATED TWO HOUSES, A HOUSE TRAILER, AND SEVERAL ACRES OF LAND.
Recommendation: ADVISE THEIR MEMBER COMPANIES OF THE CIRCUMSTANCES OF THIS ACCIDENT AND URGE THEM TO DETERMINE IF THE ORIGINAL COVER DEPTHS OF THEIR PIPELINES HAVE BEEN SIGNIFICANTLY REDUCED, AND TO TAKE ACTION TO CORRECT DEFICIENT AREAS. (URGENT)
Original recommendation transmittal letter: PDF
Overall Status: Closed - Acceptable Action
Mode: Pipeline
Location: Cartwright, LA, United States
Is Reiterated: No
Is Hazmat: No
Is NPRM: No
Accident #: DCA76MP025
Accident Reports:
United Gas Pipeline Company, 20-inch Pipeline Rupture and Fire
Report #: PAR-77-01
Accident Date: 8/9/1976
Issue Date: 10/27/1976
Date Closed: 5/10/1977
Addressee(s) and Addressee Status: American Gas Association (Closed--No Longer Applicable)
American Petroleum Institute (Closed--No Longer Applicable)
Interstate Natural Gas Association of America (Closed--No Longer Applicable)
Keyword(s):

Safety Recommendation History
From: American Petroleum Institute
To: NTSB
Date: 11/15/1976
Response: INGAA LTR OF 10/27/76 - INGAA FORWARDED COPIES OF THE SAFETY RECOMMENDATIONS TO ALL MEMBERS OF THE INTERSTATE NATURAL GAS ASSOCIATION OF AMERICA. API LTR OF 11/15/76 THE INSTITUTE SHARES THE BOARD'S CONCERN WITH THE PROBLEMS CREATED BY EXCAVATION OPERATIONS IMPINGING UPON PIPELINES. WE WILL TAKE IMMEDIATE STEPS TO ADVISE OUR MEMBERS OF THE CIRCUMSTANCE INVOLVED IN THIS ACCIDENT. AGA LTR OF 11/19/76 - AGA SUPPORTS ACTIONS THAT MAY IMPROVE SAFETY IN THE NATURAL GAS INDUSTRY THROUGH INCREASING AWARENESS OF THE CIRCUMSTANCES THAT CAN SOMETIMES RESULT IN ACCIDENTS. WE SUGGEST THAT THE FINDINGS OF THE NTSB REPORT BE DISSEMINATED TO THOSE DIRECTLY RESPONSIBLE FOR PIPELINE SAFETY IN YOUR COMPANY SO THAT THEY CAN BE ADVISED OF THE INCIDENT.

From: Interstate Natural Gas Association of America
To: NTSB
Date: 10/27/1976
Response: INGAA LTR OF 10/27/76 - INGAA FORWARDED COPIES OF THE SAFETY RECOMMENDATIONS TO ALL MEMBERS OF THE INTERSTATE NATURAL GAS ASSOCIATION OF AMERICA. API LTR OF 11/15/76 THE INSTITUTE SHARES THE BOARD'S CONCERN WITH THE PROBLEMS CREATED BY EXCAVATION OPERATIONS IMPINGING UPON PIPELINES. WE WILL TAKE IMMEDIATE STEPS TO ADVISE OUR MEMBERS OF THE CIRCUMSTANCE INVOLVED IN THIS ACCIDENT. AGA LTR OF 11/19/76 - AGA SUPPORTS ACTIONS THAT MAY IMPROVE SAFETY IN THE NATURAL GAS INDUSTRY THROUGH INCREASING AWARENESS OF THE CIRCUMSTANCES THAT CAN SOMETIMES RESULT IN ACCIDENTS. WE SUGGEST THAT THE FINDINGS OF THE NTSB REPORT BE DISSEMINATED TO THOSE DIRECTLY RESPONSIBLE FOR PIPELINE SAFETY IN YOUR COMPANY SO THAT THEY CAN BE ADVISED OF THE INCIDENT.

From: American Gas Association
To: NTSB
Date: 11/19/1976
Response: INGAA LTR OF 10/27/76 - INGAA FORWARDED COPIES OF THE SAFETY RECOMMENDATIONS TO ALL MEMBERS OF THE INTERSTATE NATURAL GAS ASSOCIATION OF AMERICA. API LTR OF 11/15/76 THE INSTITUTE SHARES THE BOARD'S CONCERN WITH THE PROBLEMS CREATED BY EXCAVATION OPERATIONS IMPINGING UPON PIPELINES. WE WILL TAKE IMMEDIATE STEPS TO ADVISE OUR MEMBERS OF THE CIRCUMSTANCE INVOLVED IN THIS ACCIDENT. AGA LTR OF 11/19/76 - AGA SUPPORTS ACTIONS THAT MAY IMPROVE SAFETY IN THE NATURAL GAS INDUSTRY THROUGH INCREASING AWARENESS OF THE CIRCUMSTANCES THAT CAN SOMETIMES RESULT IN ACCIDENTS. WE SUGGEST THAT THE FINDINGS OF THE NTSB REPORT BE DISSEMINATED TO THOSE DIRECTLY RESPONSIBLE FOR PIPELINE SAFETY IN YOUR COMPANY SO THAT THEY CAN BE ADVISED OF THE INCIDENT.