Pipeline operators prioritize metal loss features using in-line inspection tools (Smart Pigs). In-line inspection results have traditionally been used to directly assess remaining wall thickness and remaining strength. Pipeline Safety regulations are beginning to require more
comprehensive Integrity Management Plans, especially in High Consequence Areas. One method has been developed to address risk factors which the author feels will meet both the Department of Transportation's requirement for "Prioritizing Risk Factors" and
The American Petroleum Institute's Proposed RP 1160, "Methodology for Evaluation of In-line Inspection Data. This Integrity Management Program has provided the pipeline operator with a high degree of confidence of long-term safety and service.