ENIQ TGR Discussion Document on the Role of In-Service Inspection within the Philosophy of Defence in Depth
The present work is the outcome of the activities of the ENIQ Task Group Risk (TGR) on Risk Informed In-service Inspection (RI-ISI).
ENIQ, the European Network for Inspection and Qualification, was set up in 1992 recognising the importance of the issue of qualification of NDE inspection procedures used in in-service inspection programmes for nuclear power plants. Driven by European Nuclear utilities and managed by the European Commission Joint Research Centre (JRC) of Petten, the Netherlands. ENIQ was intended to be a network in which the available resources and expertise could be managed at European level. It was also recognised that harmonisation in the field of codes and standards for inspection qualification would represent important advantages for all parties involved, with the ultimate goal of increasing the safety of European nuclear power plants. More information on the ENIQ network and its activities can be found at http://safelife.jrc.nl/eniq/.
ENIQ work is carried out by two sub-groups: Task Group on Qualification (TGQ) focuses on the qualification of in-service inspection (ISI) systems, and Task Group on Risk (TGR) focuses on risk-informed in-service inspection (RI-ISI) issues. The TGR has published the European Framework Document for Risk-informed In-service Inspection, and is producing more detailed recommended practices and discussion documents on several RI-ISI related issues.
This document is intended to provide as a basis for discussion on how to apply defence-in-depth concepts within a Risk-Informed In-Service Inspection (RI-ISI) framework. The report discusses the role of the RI-ISI programme (and connected activities) within the entire reactor safety programme, with a special focus on the defence in depth philosophy for reactor safety.
The document was formally approved for publication by the Steering Committee (SC) of ENIQ.
The author of this report is Göran Hultqvist of Forsmark Kraftgrupp AB. The document was edited by Luca Gandossi of EC-JRC and Kaisa Simola of VTT.
HULTQVIST Göran;
SIMOLA Kaisa;
GANDOSSI Luca;
2007-04-19
JRC36452
EUR 22230 EN,
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