ENIQ Report no. 37 - ENIQ TGR Discussion Document - Updating on Risk-informed Inspection Programmes
The European Framework Document for Risk-Informed In-Service Inspection (RI-ISI) is intended to provide general guidelines to utilities for both developing RI-ISI approaches and for using or adapting already established approaches to the European nuclear environment taking into account national regulatory requirements and utility-specific characteristics.
The Framework Document emphasizes the process of keeping RI-ISI living, i.e. updated, and provides a brief discussion on the concept of living RI-ISI. An effective risk-informed inspection strategy requires the development of a feedback procedure to update the risk ranking after plant changes or acquirement of other relevant information. Further, the Nuclear Regulatory Working Group document highlights the performance monitoring and updating of a RI-ISI programme. In the US, a document on RI-ISI updating provides several examples of plants having conducted updates to their RI-ISI programmes.
This European Network for Inspection and Qualification (ENIQ) discussion document is meant to assist a user involved in a RI-ISI application on how to maintain and update a RI-ISI programme. It also provides an overview of current ISI updating practices in most EU Member States with nuclear power plants in operation.
SIMOLA Kaisa;
GANDOSSI Luca;
2010-01-28
European Commission
JRC51503
1018-5593,
EUR 23929 EN,
https://publications.jrc.ec.europa.eu/repository/handle/JRC51503,
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