1、Use of Periodic Safety Review for Long Term Operation of Nuclear Power PlantsSafety Reports SeriesNo.121INTERNATIONAL ATOMIC ENERGY AGENCYVIENNAA comprehensive assessment of the safety of a nuclear power plant is an important precondition for its continued operation beyond the original time frame.A

2、periodic safety review is considered an effective way to obtain an overall view of actual plant safety,and to determine the reasonable and practicable modifications that will ensure that a high level of safety is maintained during continued operation.The periodic safety review typically addresses th

3、e period until the next periodic safety review or,where appropriate,until the end of planned operation.The continued operation of a nuclear power plant beyond the time frame originally anticipated for its operation(typically 3040 years)needs to be justified by a safety assessment,with consideration

4、given to the life limiting processes and features of structures,systems and components important to safety.This publication addresses the scope of assessment,methods and applicable criteria applied within the periodic safety review and long term operation programmes framework to support decision mak

5、ing for long term operation of nuclear power plants.Safety Reports Series No.121 Use of Periodic Safety Review for Long Term Operation of Nuclear Power PlantsAtoms for PeaceAtoms for PeaceIAEA SAFETY STANDARDS AND RELATED PUBLICATIONSIAEA SAFETY STANDARDSUnder the terms of Article III of its Statute

6、,the IAEA is authorized to establish or adopt standards of safety for protection of health and minimization of danger to life and property,and to provide for the application of these standards.The publications by means of which the IAEA establishes standards are issued in the IAEA Safety Standards S