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on 4/4/25 at 11:33 AM
The Nuclear Energy Agency (NEA) Committee on Nuclear Regulatory Activities (CNRA) Working Group on Codes and Standards (WGCS) sponsored a online international workshop on in-service inspection (ISI) on 11-14 April 2022. Among international codes and standards, the ISI acceptance criteria and examination frequency vary, even for identical components (including safety-related components). ISI programmes based on different or inconsistent requirements may have significant impact on nuclear power plant safety operation. Therefore, it is necessary to review and compare the ISI provisions in codes and standards, document the difference and determine if modifications to harmonise are necessary. Through a member survey, the WGCS members chose to focus the workshop on component specific ISI programmes and extending ISI intervals. In addition, several members suggested related topics on the evolution of non-destructive examination (NDE) techniques and design for inspection.
Participation in the workshop was open to nuclear industry representatives for new and operating reactors, international organisations, laboratories, and regulatory organisations. Participation by regulators and operating reactor licensees was strongly encouraged. In response to the invitations, the online workshop was attended by over 150 people each day (200 maximum) with presentations from eight countries with regulatory, industry, laboratory, and codes and standards representation.
