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  2. National Association of Sewer Service Companies - Wikipedia

    en.wikipedia.org/wiki/National_Association_of...

    The National Association of Sewer Service Companies or NASSCO is a not-for-profit North American trade organization, established in 1976 "to increase the awareness of aging underground infrastructure and to provide viable solutions through education, technical resources and industry advocacy". [1]

  3. Pigging - Wikipedia

    en.wikipedia.org/wiki/Pigging

    In pipeline transportation, pigging is the practice of using pipeline inspection gauges or gadgets, devices generally referred to as pigs or scrapers, to perform various maintenance operations. This is done without stopping the flow of the product in the pipeline. [1] [2] [3]

  4. Pipeline and Hazardous Materials Safety Administration

    en.wikipedia.org/wiki/Pipeline_and_Hazardous...

    As of 2022, the Office of Pipeline Safety regulated an expansive network of about 3.4 million miles of natural gas pipeline system in the United States and its hazardous liquid pipelines. [ 7 ] [ 8 ] This includes 229,000 miles of hazardous liquid pipelines, 302,000 miles of gas transmission pipelines, 2,284,000 miles of gas distribution mains ...

  5. Robotic non-destructive testing - Wikipedia

    en.wikipedia.org/wiki/Robotic_Non-Destructive...

    Robotic non-destructive testing (NDT) is a method of inspection used to assess the structural integrity of petroleum, natural gas, and water installations. Crawler-based robotic tools are commonly used for in-line inspection (ILI) applications in pipelines that cannot be inspected using traditional intelligent pigging tools (or unpiggable pipelines).

  6. Magnetic flux leakage - Wikipedia

    en.wikipedia.org/wiki/Magnetic_flux_leakage

    There are many methods of assessing the integrity of a pipeline. In-line-Inspection (ILI) tools are built to travel inside a pipeline and collect data as they go. Magnetic Flux Leakage inline inspection tool (MFL-ILI) has been in use the longest for pipeline inspection. MFL-ILIs detect and assess areas where the pipe wall may be damaged by ...

  7. Integrity engineering - Wikipedia

    en.wikipedia.org/wiki/Integrity_engineering

    Integrity Engineers may be required to manage, develop, or conduct the following: [1] A high-level integrity management philosophy that includes verification and assurance of facilities (basic repair methods and strategies, Static equipment repair and temporary repairs, Fabric maintenance, Corrosion Engineering, Inspection Engineering, Chemical management, and Maintenance Management)