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Abstract

As a contribution towards identifying problem areas and for assessing PSA methods and procedures of analysis, JRC has organized a wide range Benchmark Exercise on systems reliability. This has been executed by ten different teams involving seventeen organizations from nine European countries. The exercise has been based on a real case (AFS of EDF Paluel BWR 1300 MWe Unit), starting from analysis of technical specifications, logical and topological layout and operational procedures. Terms of references included both qualitative and quantitative analyzes. The subdivision of the exercise into different phases and the rules adopted allowed assessment of the different components of the spread of the overall results. It appeared that modelling uncertainties may overwhelm data uncertainties and major efforts must be expanded in order to improve consistency and completeness of qualitative analysis. After successful completion of the first exercise, CEC - JRC programme has planned separate exercises on analysis of dependent failures (CCF) and human factors before approaching the evaluation of a complete accident sequence.

Additional information

Authors: AMENDOLA A JRC ISPRA ESTAB. (ITALY), JRC ISPRA ESTAB. (ITALY)
Bibliographic Reference: INTERNATIONAL ANS/ENS TOPICAL MEETING PROBABILISTIC SAFETY METHOD AND APPLICATIONS, SAN FRANCISCO, CA. (USA), FEB. 24-28, 1985 WRITE TO CEC LUXEMBOURG, DG XIII/A2, POB 1907 MENTIONING PAPER E 31781 ORA
Availability: Can be ordered online
Record Number: 1989123004000 / Last updated on: 1987-01-01
Category: PUBLICATION
Available languages: en
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