Environmental Engineering Reference
In-Depth Information
Figure 4. Application of the knowledge base during safety assessment of the NPP I&C
earlier LC stages comments on the considered
system (or documents substantiating safety) that
should be incorporated at the current LC stage
could be specified. Assessment of incorporation
of comments made in previous expert reviews is
required for consecutive safety assurance of NPP
I&C systems at all LC stages.
In turn, all results of a current expert review
are also input into Chapter 7 of the knowledge
base to be used at further stages (and possibly for
static analysis of expert review results).
Note that the suggested the ASSEA and the
knowledge base are devoted to provide only
information support of expert review. Direct as-
sessment of compliance of the NPP I&C systems
to requirements of guides, rules and standards on
NRS cannot be automated and hence is performed
by experts.
Finally formed report on expert review is
input into Chapter 3 of the knowledge base, and
assessment results of performance of separate
requirements are input into Chapter 7 of the
knowledge base.
7. Conclusions and recommendations. The
last chapter of expert review contains short
description of main assessment results of
submitted documents, comments (if any),
conclusions and recommendations to the
regulatory authority about possibility of
approval of documents or about necessity
in their improvement.
Solutions and Recommendations
Expert activity at all life cycle stages of the NPP
I&C systems requires effective information sup-
port because of large amount of analyzing data
during the expert review. Therefore, it is recom-
mended:
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