www.sonomatic.com Case Study 06 August 2010 Design Project Project: Fitness For Service (FFS) on a 16” Main Oil Line Problem: Failure of an additive injection quill had resulted in accelerated corrosion downstream of the injection point on a 16” Main Oil Line. Sonomatic were retained in order to ascertain if the line was fit for continued operation in the degraded condition. Benefits: The FFS concluded that the Main Oil Line could operate safely. The benefits of conducting a FFS with Sonomatic are: • Accurate measurement of defect • Analysis of inspection data promotes better estimation of measurement tolerances • The accurate measurement of the defect allowed a FFS to be conducted that was not overly conservative while still allowing safe opera

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