A New Model For Reliability Centered Maintenance In Petroleum Refineries
Deepak Prabhakar P., Dr. Jagathy Raj V. P.
Index Terms: - Reliability, RCM, A-RCM, Accelerated Reliability Centered Maintenance, Petroleum Refining, Maintenance Management, Statistical Analysis
Abstract: - Refiners today operate their equipment for prolonged periods without shutdown. This is primarily due to the increased pressures of the market resulting in extended shutdown-to-shutdown intervals. This places extreme demands on the reliability of the plant equipment. The traditional methods of reliability assurance, like Preventive Maintenance, Predictive Maintenance and Condition Based Maintenance become inadequate in the face of such demands. The alternate approaches to reliability improvement, being adopted the world over are implementation of RCFA programs and Reliability Centered Maintenance. However refiners and process plants find it difficult to adopt this standardized methodology of RCM mainly due to the complexity and the large amount of analysis that needs to be done, resulting in a long drawn out implementation, requiring the services of a number of skilled people. These results in either an implementation restricted to only few equipment or alternately, one that is non-standard. The paper presents the current models in use, the core requirements of a standard RCM model, the alternatives to classical RCM, limitations in the existing model, classical RCM and available alternatives to RCM and will then go on to present an ‘Accelerated’ approach to RCM implementation, that, while ensuring close conformance to the standard, does not place a large burden on the implementers.
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