Methodology of reliability centered maintenance realization to the NPP equipment

The Reliability Centered Maintenance Realization to the NPP equipment is widely used in the international practice. Improving of RCM in Ukraine is retard because of the necessary methodological absence for such works. General methodology allowing to plan terms of realization of RCM NPP equipment in view of its technical condition and safety significant and operating efficiency of NPP equipment is submitted in article. The special attention is given to formation of the ranking diagram of the equipment, substantiation of boundary conditions of the diagram, estimation scale of gamma-percentile operation reserve of time to failure for groups according to safety of the equipment. General procedure of realization of RCM works of the NPP equipment is submitted in article.