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pipeline integrity management is the cradle-to-grave approach of understanding and operating pipelines in a safe reliable manner PIM programs our systems managed by pipeline owner operators that consider all stages of the pipeline lifecycle from conception to engineering and design construction operation inspection repair and finally to replace when necessary let's take a moment to clarify a few key points in terms we now understand that transmission pipelines are the pipelines that transport natural gas over long distances and distribution pipelines are those pipelines that deliver natural gas to homes and businesses these two distinctly different pipeline types require different integrity management plans when we refer to DIMP we were referring to distribution integrity management plans when we refer to timp we are referring to transmission integrity management plans pipelines have a commendable safety record and are the safest way of transporting hazardous materials however incidents continue to occur though infrequently and some result in significant consequences fims a-- adopted integrity management regulations for transmission pipelines beginning in 2000 to reduce the frequency of these incidents and improve safety in December 2003 the office of pipeline safety issued a final rule requiring natural gas pipeline operators to develop integrity management programs imp have them in place by December 2004 and to complete baseline assessments of pipeline in high consequence areas HCA's the distribution integrity management program or DIMP activities are focused on obtaining and evaluating information related to the distribution system that is critical for a risk-based proactive integrity management program that involves programmatically remediating risks the DIMP rules address how gas utilities identify prioritize and evaluate risks address threats and validate the integrity of their gas distribution system although the foundational requirements underlying that DIMP rules are similar to transmission integrity management program temporals dimples have less of a perspective nature than the temporals fims a-- determined that more general requirements were needed for distribution systems given the diversity of distribution systems and the unique threats to which they may be exposed the gas distribution integrity management regulations require operators such as natural gas distribution companies to develop write and implement an integrity management program with the following elements first they must understand system design and material characteristics operating conditions and environment and maintenance and operating history they must identify existing and potential threats as well as evaluate and rank risk they must also identify and implement measures to address risks they need to measure the integrity management program performance monitor results and evaluate effectiveness as well as periodically assessing and improving the integrity management program they must also report performance results to Femmes ax let's go over two important definitions threat identification is information about the pipeline segments that are evaluated to identify areas of concern and to assess risk risk analysis is a systematic process in which potential hazards from facility operation are identified and the likelihood and consequences of potential adverse events are estimated operators are required to identify and evaluate all potential threats to pipeline systems and they must consider interactions among these different threats such as environmental mechanical and fabrication related threats now let's talk about natural gas pipeline threats which are defined as both external and internal corrosion stress corrosion cracking both manufacturing and construction equipment third party mechanical incorrect operation and weather-related or outside force as you can see the procedures and practices implemented to protect manage and maintain the integrity of pipeline systems are extremely important due to the severity of pipeline failures when they occur the guiding principle of pipeline integrity management programs is to maintain the highest standards of safety and operating conditions for the betterment of both people and the environment you