Direct Assessment

U.S. pipeline integrity management regulations require that pipelines that could affect high consequence areas (HCA’s) be assessed through in-line inspection, pressure testing, direct assessment, a combination of these or other equivalent technology. Many pipeline systems are not piggable and the introduction of water for pressure testing is not feasible. As an alternative, the pipeline industry has developed and the regulatory authorities have accepted a process called direct assessment for assessing for the threats of external corrosion, internal corrosion and stress corrosion cracking. It should be noted that other threats may also be assessed and determined through these processes, however, the three mentioned are the primary intents of direct assessment.

AI IMD offers solutions for supporting a pipeline company’s direct assessment process. Software and engineering expertise support the proper integration of data to determine HCA’s and assessment regions, integration and classification of assessment data, prioritization of excavation sites and engineering of collected data to determine remaining life and/or re-assessment intervals.

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