Pipeline Safety: Manufacturing Defects in Pipeline Components Rarely Contribute to Accidents   [open pdf - 397KB]

From the Document: "The U.S. pipeline network includes almost 350,000 miles of interstate gas and hazardous liquid transmission pipelines that operate at high pressures and transport products across the country. The integrity of individual components used in constructing these pipelines is critical to the safe and efficient operation of the network. These components include fittings to accommodate changes in terrain or direction of the pipe; flanges to connect pipe and other equipment together; and valves to help control the flow and pressure of product in the pipe. While pipelines are among the safest modes to transport energy products and other hazardous materials, failure of the components due to issues such as incorrect installation, corrosion, or manufacturing defects could cause significant damage to life, property, and the environment. Within the U.S. Department of Transportation, the Pipeline and Hazardous Materials Safety Administration (PHMSA) oversees the safety of the pipeline network. As part of this oversight, PHMSA sets the federal minimum safety standards for pipelines and pipeline facilities, including requirements and specifications relating to the design and manufacture of pipeline components. The minimum safety standards apply to owners and operators of pipeline facilities rather than the manufacturers of pipeline components."

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Public Domain
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Government Accountability Office: http://www.gao.gov/
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