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34-003

Common methodology for analysis of initiating events

Project Manager, NPSAG: Ralph Nyman
Start Year: 2012
Finish Year: 2014
The project aimed to perform a survey of methods used for identification, categorization and frequency estimation of initiating events in current Swedish PSAs. During the course of this project, several harmonization issues related to initiating event analysis have been identified and examined.

The project resulted in two main reports:

(1) Methods for identification and categorization of initiating events. The identified issues concerns choice of method, criteria for screening, strategies for systematic mapping, and verification of completeness (e.g. comparison with deterministic methods).

(2) Methods for classification and parameterization. The identified issues concerns choice of method, criteria for quantitative screening and selection of data source, and which data to include to achieve reasonable estimations of the initiating event frequencies.

Project Reports

   NPSAG 34-003-02 Appendix »

   NPSAG 34-003-01 Methods for Identification and Categorization of IE »
   Author: Gunnar Johanson, Mattias Håkansson

   NPSAG 34-003-02 Methods for Classification and Parameterization of IE »
   Author: Gunnar Johanson, Mattias Håkansson

   NPSAG 34-003-01 Appendix »

Related Documents

   NPSAG 34-003 International Survey - Questionnaire rev 1.0 (2012055-010) »
   Author: Mattias Håkansson

   NPSAG 34-003 Dokument-id »

   NPSAG 34-003 Reference report to Swedish Plant Survey rev 1.0 (2012055-012) »
   Author: Mattias Håkansson

   NPSAG 34-003 Survey - Questionnaire rev 1.0 (2012055-003) »
   Author: Mattias Håkansson

   SSMs syn på varför ett nytt projekt om IH behöver etableras »
   Author: Ralph Nyman

















Projects:  Common methodology for analysis of initiating events

01-003  Analysis of External Events »
01-008  Analysis of External Events »
04-001  Analysis of Reliability of External Power Grid »
09-002  Analysis of External Events - Continued Activities »
12-001  Mapping of Currently Modelled Initiating Events and IE Frequencies »
20-001  Pilot study concerning handling of loss of external grid in PSA »
34-003  Common methodology for analysis of initiating events »
36-001  Workshop on Handling of Seismic Events in Swedish PSAs »
36-002  Handling of weather related issues in PSA »