AC MITIGATION—1: Study stresses need to combine AC mitigation, CP

Based on presentation to NACE Corrosion 2010 conference, San Antonio, Mar. 14-18, 2010Coordinating AC mitigation with cathodic protection and other aspects of pipeline design, construction, and operation is essential. Accurate predictive analyses and engineering optimize AC mitigation and can result in considerable cost savings.The material and construction cost savings for the pipeline discussed in this article by use of a coordinated design approach was $1-2 million. The AC mitigation system should be contractor-friendly, maintenance-friendly, and readily integrated into the pipeline corrosion control program. Operator input in the design is key to making this happen.Combined AC and DC ...

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