Published date:
24 November 2014
NEA/CNRA/R(2005)1
This report completes a study that was endorsed by CNRA following discussion on the issue. It is intended to be a basis for a new section in the next revision of the “Status Report on Regulatory Insp...
Published date:
4 April 2005
NEA/CNRA/R(2005)3
In some countries, there is a growing demand for information about NPP performance from the executives, public and media. Such a demand has to be responded to and the information provided need to be ...
Published date:
27 May 2005
NEA/CNRA/R(2005)5
This appendix provides the complete compilation of responses received to the questionnaire issued in conjunction with the workshop announcements. The responses are provided as received, with changes ...
Published date:
27 June 2005
NEA/CNRA/R(2006)1
In 1998, the NEA Committee on Nuclear Regulatory Activities (CNRA) began an activity, the objective of which was to advance the discussion on how to enhance and measure regulatory effectiveness in re...
Published date:
1 March 2006
NEA/CNRA/R(2006)2
The Joint CSNI/CNRA Strategic Plan states in its last paragraph that:
"CNRA and CSNI each prepare an operating plan which describes in more detail their committeeís organisation, planned activities, ...
Published date:
26 June 2006
NEA/CNRA/R(2006)3
These guidelines have been produced in conjunction with the development of the CNRA Operating Plan. The purpose behind this is to establish a systematic and transparent approach to how the CNRA and i...
Published date:
27 June 2006
NEA/CNRA/R(2006)4
This report is the third in a series of the WGOE (Working Group on Operating Experience) of reports on recurring events. The first two reports NEA/CSNI/R(1999)19 and NEA/CSNI/R(2003)13 discussed a va...
Published date:
5 September 2006
NEA/CNRA/R(2007)2
This appendix provides the complete compilation of responses received to the questionnaire issued in conjunction with the workshop announcements. The responses are provided as received, with changes ...
Published date:
29 March 2007
NEA/CNRA/R(2008)2
The Joint CSNI/CNRA Strategic Plan states in its last paragraph that: "CNRA and CSNI each prepare an operating plan which describes in more detail their committeeís organisation, planned activities, ...
Published date:
22 January 2008
NEA/CNRA/R(2008)1
With the development of the Joint CSNI/CNRA Strategic Plan and the drafting of a CNRA Operating Plan, the need to develop operating guidelines was recognised. These documents along with the Review Re...
Published date:
22 January 2008
Published date:
17 June 2008
NEA/CNRA/R(2008)3
The main objective of the CNRA Working Group on Operating Experience (WGOE) is to share experience and knowledge, analyse and provide expert insights from operating experience to reach timely conclus...
Published date:
22 January 2008
NEA/CNRA/R(2008)5
This revision of the CNRA Historical Record represents an up-to-date accounting of the work performed by the Committee since its conception in 1989. As noted during the 2004 review of the CNRA, “This...
Published date:
8 July 2008
NEA/CNRA/R(2009)1
Fire is a one of the hazards that is most commonly encountered in Nuclear Power Plants and could result in damages to safety related systems and to systems important to obtain and maintain safe shutd...
Published date:
10 February 2009
NEA/CNRA/R(2009)2
In order to capture the current situation, members of the WGOE IOEF Task Group provided short narratives outlining their national OEF practices. The IOEF Report notes that, in order to get a comprehe...
Published date:
11 May 2009
NEA/CNRA/R(2009)3
In 2006, the CNRA Working Group on Operating Experience (WGOE) began the task of examining national and international operating events databases in order to identify any potential safety issues relat...
Published date:
19 May 2009
NEA/CNRA/R(2010)2
This appendix provides the complete compilation of responses received to the question issued in conjunction with the workshop held on 1-5 June 2008 in Porvoo (Finland), dealing with Training and Qual...
Published date:
4 February 2010
NEA/CNRA/R(2010)3
Consistent with the CNRA/CSNI Joint Strategic Plan (2005-2009) and CNRA Operating Plan, the WGRNR began in May 2008 a task of examining and documenting the various practices used by regulatory author...
Published date:
17 May 2010
NEA/CNRA/R(2010)7
This report originated at the 35th meeting of the Working Group of Inspection Practices (WGIP) Members aimed to examine and evaluate the extent corrective action programmes (CAPs) are inspected and t...
Published date:
4 August 2010
NEA/CNRA/R(2011)2
The Joint CSNI/CNRA Strategic Plan states, the Committees' Operating Plans describe each Committee's organisation, priorities and operating procedures to be used in fulfilling their mandates. The Ope...
Published date:
7 October 2010
NEA/CNRA/R(2011)4
The CNRA has procuded a series of reports, known as regulatory guidance booklets or "'green booklets", which examine various regulatory challenges and adress the major elements and contemporary issue...
Published date:
20 January 2011
NEA/CNRA/R(2011)5
The purpose of this task group report is to show existing national trending tasks and to assess the possibilities in trending of internationally reported events. The report discusses the opportunitie...
Published date:
17 February 2011
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...
Published date:
17 February 2011
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...
Published date:
16 March 2011
NEA/CNRA/R(2011)10
Over the previous decade, the CNRA has produced a series of regulatory guidance reports known as the "green booklets". These reports are prepared and peer reviewed by senior regulators. They provide ...
Published date:
13 May 2011
Published date:
14 June 2011
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...
Published date:
10 February 2012
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...
Published date:
15 May 2012
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...
Published date:
15 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...
Published date:
24 July 2012
Published date:
30 May 2013
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...
Published date:
10 December 2013
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 ...
Published date:
6 January 2014
NEA/CNRA/R(2014)2
The Fukushima Daiichi NPP accident demonstrated the importance of increasing the robustness of NPPs to extreme external conditions and beyond design basis accidents. In this respect, the CNRA establi...
Published date:
29 January 2014
NEA/CNRA/R(2014)3
Following a special topical discussion held on the characteristics of an effective regulator at the 27th CNRA meeting on 4-5 June 2012 and subsequent discussions at the 28th CNRA meeting on 3-4 Decem...
Published date:
19 February 2014
NEA/CNRA/R(2014)4
An international Workshop on Challenges and Enhancements to Defence in Depth (DiD) in Light of the Fukushima Daiichi Accident was jointly organised by the NEA Committee on Nuclear Regulatory Activiti...
Published date:
22 May 2014
Published date:
27 June 2014
NEA/CNRA/R(2014)8/ADD1
The 12th International Workshop was held by WGIP on regulatory inspection activities. This workshop, which is the twelfth in a series, along with many other activities performed by the Working Group,...
Published date:
4 August 2014
NEA/CNRA/R(2015)1
The previous report The Use of International Operating Experience Feedback for Improving Nuclear Safety, [NEA/CNRA/R(2008)3] addressed the proposal made at the December 2006 CNRA Meeting for the WGOE...
Published date:
2 April 2015
Published date:
13 April 2015
NEA/CNRA/R(2016)2/ADD1
The 13th International Nuclear Regulatory Inspection Workshop was held by WGIP on regulatory inspection activities. This workshop, which is the 13th in a series, along with many other activities perf...
Published date:
31 March 2016
NEA/CNRA/R(2017)1
The WGIP Nuclear Power Plant (NPP) Observed Inspection Practices Programme is intended to promote co-operation and learning among member countries and to collect and provide them with information for...
Published date:
16 June 2017
NEA/CNRA/R(2017)3
At the 15th Meeting of the Committee on Nuclear Regulatory Activities (CNRA) Working Group on the Regulation of New Reactors (WGRNR) agreed to initiate a survey on Regulatory Practice to Assess Passi...
Published date:
8 September 2017
NEA/CNRA/R(2017)4
The Working Group on Operating Experience (WGOE) has observed that events with heavy loads are a contemporary issue to address after several operating experiences in recent years. The WGOE made a pro...
Published date:
3 October 2017
Published date:
7 November 2017
NEA/CNRA/R(2015)6
A fundamental goal in a regulatory authority’s oversight of nuclear facilities is to establish confidence that adequate arrangements are in place for emergency preparedness and response. The CNRA pub...
Published date:
10 June 2015
NEA/CNRA/R(2011)13
During the September 2009 meeting, the WGRNR presented with a draft survey comprising a broad range of questions related to the licensing process, design review and regulatory structure. At that time...
Published date:
22 December 2011
NEA/CNRA/R(2012)2
This report is focused on the analysis of construction events currently reported to the WGRNR. In order to carry out this analysis, a construction event database (ConEx) has been developed within the...
Published date:
10 February 2012
NEA/CNRA/R(2014)5
In December 2011, the WGRNR developed a supplemental report augmenting Report on the Survey on Regulation of Site Selection and Preparation NEA/CNRA/R(2010)3 to address additional siting issues, such...
Published date:
24 June 2014
