National Report of the Slovak Republic - Radiation and Nuclear Safety
, September 1998
2.2.2 Safety Reviews of Bohunice V-2 Units
In addition to the Bohunice site seizmicity review missions mentioned above (Section 2.1.2), the following V-2 safety review missions have been visiting the Bohunice NPP:
- IAEA Safety Review Mission - September 5 - 12, 1994. The aim of the Mission was to compare the NPP design with the current safety-related approach, and to provide recommendations to assist the NPP management and the regulatory body to make decisions on safety improvements. The report has stated that the NPP had made considerable endeavor to improve the original design, and provided recommendations and suggestions for further design improvements. In a next step, safety issues identified with all WWER-440/213 model power plants were put together and ranked according to their importance. Four categories were distinguished, as laid down in the material "Safety Issues and their Ranking for WWER 440 Model 213 Nuclear Power Plants".
- IAEA PSA Peer Review (Probabilistic Safety Assessment Level 1) of V-2 Units - January 17 - 28, 1995. It has been stated that the study objectives had been achieved, and all relevant initiation events with safety relevance had been considered. Effectively no modeling-related faults could be identified. The study can be a good basis for further applications in the NPP and National Nuclear Authority programs because it contains a broad range of possible applications of specific NPP data and staff expertise.
- IAEA Operation Safety Review Mission (OSART) - September 9 - 26, 1996. The aim of the Mission was to review operation procedures, to exchange experience and knowledge between and among Mission members and NPP partners on how a common objective could be pursued, namely an outstanding operation safety standard. The group offered suggestions to improve operation safety, it appreciated areas where activities are performed on a good level, and identified areas assessed as good practice to be recommended for implementation in other power plants - installation and utilization of up-to-date diagnostic systems and teledosimetric system for the monitoring of the radiation status within and in the environment of the nuclear power plant.
- Follow-up IAEA Operation Safety Review Mission (OSART - Follow-up visit) - March 2 - 6, 1998. The aim of the Mission was to evaluate activities of the NPP oriented towards operation safety-related recommendations identified by the preceding mission. The expert team stated an excellent level of preparedness of the NPP for the Mission, appreciated the willingness of the NPP management to consider new suggestions and the implementation of changes, as a positive indicator of further improvements. Of all recommendations and suggestions made by the OSART 96 Mission, 49 % had been implemented, satisfactory progress had been achieved with respect to additional 49 %, and 2 % (a single recommendation) will be solved in the near future.
Copyright © UJD SR, 1998
Copyright © SE, a. s., 1998