Reliability Centered Maintenance (RCM)
Reliability Centered Maintenance (RCM) : A proactive systematic decision logic tree approach to identify or revise preventive maintenance tasks or plans to preserve or DOE-HDBK-1188-2006 84 promptly restore operability, reliability and availability of facility structures, systems, and components; or to prevent failures and reduce risk through types of maintenance action and frequency selection to ensure high performance. Reliability centered maintenance is the performance of scheduled maintenance for complex equipment, quantified by the relationship of preventive maintenance to reliability and the benefits of reliability to safety and cost reduction through the optimization of maintenance task/frequency intervals. The concept relies on empirical maintenance task/frequency intervals to make determinations about real applicable data suggesting an effective interval for task accomplishment. The approach taken to establish a logical path for each functional failure is that each functional failure, failure effect, and failure cause be processed through the logic so that a judgement can be made as to the necessity of the task, and includes: (1) reporting preventive maintenance activities, plans and schedules; (2) optimizing/calculating the preventive maintenance interval by balancing availability, reliability and cost; (3) ranking preventive maintenance tasks; (4) accessing preventive maintenance information from piping and instrument drawings (P&IDs); (5) accessing preventive maintenance and other maintenance data; (6) listing recurring failure modes/parts, including failure to start and failure to run; (7) calculating and monitoring structure, system, and component availability; (8) accessing preventive maintenance procedures, and (9) keeping track of preventive maintenance cost
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