The report describes and analyzes a natural gas pipeline accident near Monroe, La., on March 2, 1974. A 30-inch pipeline failed at a girth weld inside a casing under a highway. A resulting fire burned 10 acres of forest, but no deaths or injuries resulted. The National Transportation Safety Board determines that the probable cause of the accident was the failure of a substandard girth weld due to repeated soil stresses. Contributing to the imposed stresses were the position of the pipe inside the casing and the heavy clay soil surrounding the pipe at each end of the casing. Recommendations are made to determine the effectiveness of using casing for pipelines beneath highways and railroads and to develop guidelines for the effective operation of automatic valves.


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    Titel :

    Pipeline Accident Report - Michigan-Wisconsin Pipe Line Company, Gas Transmission Line Failure, South of Monroe, Louisiana


    Erscheinungsdatum :

    1975


    Format / Umfang :

    26 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch