The views expressed do not necessarily reflect those of the IAEA, the governments of the nominating Member States or the nominating organizations. Cheng of the Division of Nuclear Power.ДҐ EDITORIAL NOTE The papers in these proceedings are reproduced as submitted by the authors and have not undergone rigorous editorial review by the IAEA. The IAEA officer responsible for this publication was H. The IAEA wishes to thank all the participants for their valuable contributions. The technical working group on NPP life management and other advisory groups nominated by the Member States provide recommendations on high priority needs of Member States in this area.

The main objective of an integrated life cycle management programme is to enable NPP s to compete, without compromising safety, successfully in the changing energy markets throughout their service life and to facilitate life extension and eventual decommissioning through improved engineering, technological, economic and managerial actions. This report was prepared under IAEA project on integrated NPP life cycle management including decommissioning. It includes selected papers on maintenance optimization presented during its preparation.

This publication collects and analyses proven condition based maintenance strategies and techniques (engineering and organizational) in Member States. All these selections of components and parameters to be monitored, monitoring and diagnostics techniques to be used, acceptance criteria and trending for condition evaluation, and the economic aspect of predictive maintenance and condition monitoring should be incorporated into an integrated, effective condition based maintenance programme, which is part of the plant s overall maintenance optimization programme. Component selection for condition based maintenance, parameter selection for monitoring condition, evaluation of condition monitoring results are issues influencing the effectiveness of condition based maintenance. In this context, various on-line and off-line condition monitoring and diagnostics, nondestructive inspection techniques and surveillance are used. There is an increasing tendency to move from the preventive (time based) maintenance concept to one dependent on plant and component conditions. Box 100 A-1400 Vienna, Austria IMPLEMENTATION STRATEGIES AND TOOLS FOR CONDITION BASED MAINTENANCE AT NUCLEAR POWER PLANTS IAEA, VIENNA, 2007 IAEA-TECDOC-1551 ISBN ISSN IAEA, 2007 Printed by the IAEA in Austria May 2007Д¤ FOREWORD There is now an acute need to optimize maintenance to improve both reliability and competitiveness of nuclear power plant operation. 1 IAEA-TECDOC-1551 Implementation Strategies and Tools for Condition Based Maintenance at Nuclear Power Plants May 2007Дў IAEA-TECDOC-1551 Implementation Strategies and Tools for Condition Based Maintenance at Nuclear Power Plants May 2007ДЈ The originating Section of this publication in the IAEA was: Nuclear Power Engineering Section International Atomic Energy Agency Wagramer Strasse 5 P.O.

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