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NEA Document
Operating Experience Report: Recent Failures of Large Oil-Filled Transformers
NEA/CNRA/R(2011)6

At its May 2009 meeting, the WGOE identified transformer failures as an issue of generic importance. The US NRC had identified that transformer failures had an increasing trend. Transfortmers are non...

English WGOE CNRA Operating experience Nuclear safety regulation …
Published date: 17 February 2011
NEA Document
Status of Country Regulatory Response to the Forsmark-1 Event 25 July 2006 and CSNI DiDELSYS Task Group Report Recommendations
NEA/CNRA/R(2011)8

On 25 July 2006, Forsmark Unit 1 experienced a short circuit in the offsite 400kV switchyard causing the inoperability of two emergency diesel generators. 

This event identified weaknesses in the ele...

English WGOE CNRA Operating experience Nuclear safety regulation …
Published date: 16 March 2011
NEA Document
English Human aspects of nuclear safety WGPC CNRA Public communication Nuclear safety regulation …
Published date: 14 June 2011
NEA Document
WGOE Report: Maintaining and Transferring Knowledge on Operating Experience
NEA/CNRA/R(2012)1

Based on the regulatory actions underway or being considered in different member countries concerning their ability to maintain their corporate knowledge with respect to the ageing work force, the Co...

English WGOE CNRA Operating experience Nuclear safety regulation …
Published date: 10 February 2012
NEA Document
Utilisation of Operating Experience in the Regulatory Inspection Programme and of Inspection Findings and Operating Experience Insights from the Non-Conformance of Spare Parts Working Group on Operating Experience Appendix: Compilation of Survey Responses 14-16 June 2011 Helsinki, Finland
NEA/CNRA/R(2012)3/ADD1

This appendix provides the complete compilation of responses received to the questionnaire issued in conjunction with the International Operating Experience Feedback Workshop. The workshop was coordi...

English WGOE CNRA Operating experience Nuclear safety regulation …
Published date: 15 May 2012
NEA Document
Challenges in Long-Term Operation of Nuclear Power Plants - Implications for Regulatory Bodies
NEA/CNRA/R(2012)5

Following discussions at the CNRA meeting held on 7-8 June 2010, the Senior Task Group on Long-term Operation was established to prepare a document on regulatory challenges for long-term operation of...

English CNRA Nuclear safety regulation
Published date: 15 May 2012
NEA Document
11th Workshop on Experience from the Inspection of Ageing and Equipment Qualification, of Competency of Operators and of Licensee's Oversight of Contractors - Appendix: Compilation of Survey Responses - Baden, Switzerland, 21-24 May 2012
NEA/CNRA/R(2012)6/ADD1

The OECD Nuclear Energy Agency (NEA) Committee on Nuclear Regulatory Activities (CNRA) Working Group on Inspection Practices (WGIP) sponsored the 11th International Workshop on Nuclear Regulatory Ins...

English WGIP CNRA Inspection practices Nuclear safety regulation …
Published date: 24 July 2012
NEA Document
English Human aspects of nuclear safety CNRA Public communication Nuclear safety regulation …
Published date: 30 May 2013
NEA Document
Inspection of Licensee - Maintenance Programme and Activities
NEA/CNRA/R(2013)1

This report issued by Working Group for Inspection Practices (WGIP) aims to examine and evaluate how maintenance programs are inspected and the benefits of the inspections. This information would the...

English CNRA Inspection practices Nuclear safety regulation
Published date: 10 December 2013
NEA Document
WGOE Report on Fukushima Daiichi NPP Precursor Events
NEA/CNRA/R(2014)1

The Fukushima Daiichi NPP accident serves as a case study for various disciplines within nuclear sciences. Researchers worldwide in health physics, radio-ecology, severe accident analysis, and human ...

English WGOE CNRA Operating experience Nuclear safety regulation …
Published date: 6 January 2014