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Close Interval Survey

Legacy Integrity offers comprehensive close interval survey (CIS) services, ensuring the integrity and safety of pipelines. Our CIS services encompass a range of activities aimed at detecting and assessing potential issues within pipelines, including corrosion, leaks, and structural weaknesses.

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​Legacy Integrity's close interval survey services are conducted by CP trained professionals using state-of-the-art equipment and adhere to industry best practices and regulatory standards, ensuring the ongoing reliability and safety of pipeline infrastructure.

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Key components of Legacy Integrity's CIS services include:

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  • Close Interval Potential Survey (CIPS): This involves the measurement of pipe-to-soil potentials at closely spaced intervals along the pipeline route, helping to identify areas susceptible to corrosion.

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  • Current Mapping (PCM / ACCA): Utilizing advanced techniques, Legacy Integrity maps the flow of electric current along the pipeline, aiding in the detection of areas prone to corrosion or coating damage.

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  • Soil Resistivity Testing: assessing the electrical resistivity of the surrounding soil to determine its corrosive potential and optimize cathodic protection strategies.

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  • Data Analysis and Reporting: Following data collection, we employ advanced analytical techniques to interpret the results and generate comprehensive reports outlining the condition of the pipeline and any recommended remedial actions.

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