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It is mentioned that independent safety review exist at Krsko. Which organisation, staffing and competence is used for independent safety review? Which types of issues are reviewed?

Independent safety review is covered through the following two groups: Independent Safety Engineering Group (ISEG) and Krsko Safety Committee (KSC).

1. ISEG is composed of at least five, dedicated, full-time engineers located on site. The ISEG is responsible for, but not limited to:

a. examination of unit-operating characteristics, Slovenian Nuclear Safety Administration (SNSA) issuance's, industry advisories, License Event Reports, and other sources of unit design and operating experience information, including units of similar design, which may indicate areas for improving unit safety;

b. detailed recommendations for revised procedures, equipment modifications, maintenance activities, operations activities, or other means of improving unit safety to the NEK Board of Directors and Director General.



2. The KSC is composed of 11 members including Chairman and Deputy Chairman of whom 6 members are not employees of Krsko NPP. The KSC is responsible for the review of:

a. The safety evaluations for changes to procedures, equipment or systems; and proposed tests or experiments to verify that such actions did not constitute an unreviewed safety question or which involve an unreviewed safety question;

b. Proposed changes to Technical Specifications, Safety Analysis Report (SAR) or the Operating License;

c. Violations of codes, regulations, orders, Technical Specifications, license requirements or of internal procedures or instructions having nuclear safety significance;

d. Significant operating abnormalities or deviations from normal and expected performance of unit equipment that affect nuclear safety;

e. All Reportable Events;

f. All recognised indications of an unanticipated deficiency in some aspect of design or operation of structures, systems, or components that could affect nuclear safety.

 


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