Publication of the ASN Report on the CSA. ASN imposes enhanced nuclear facility robustness to extreme situations
ASN is making public its report on the complementary safety assessments (CSA) carried out further to the Fukushima accident in Japan.
This morning the ASN President, André-Claude Lacoste, delivered it personally to the Prime Minister.
Following the complementary safety assessments of the priority nuclear facilities, ASN considers that the facilities examined offer a sufficient level of safety for it not to request the immediate shutdown of any of them. At the same time, ASN considers that for the continuation of their operation, an increase in the robustness of the facilities to extreme situations, beyond their existing safety margins, is necessary, as rapidly as possible.
ASN will therefore be requiring that the licensees take a series of measures and reinforce the safety requirements relative to the prevention of natural risks (earthquake and flooding) and risks associated with other industrial activities, the monitoring of subcontractors and the handling of nonconformities.
ASN considers that the social, organisational and human factors are an essential part of safety. It will therefore remain attentive to the renewal of the licensees' workforces and skills. ASN considers in particular that the monitoring of subcontractors working in the nuclear facilities must not be delegated by the licensee when the work in question is important for safety.
Moreover, jointly with the ministries responsible for nuclear safety, ASN has prepared a draft order establishing the general rules relative to the basic nuclear installations that will make a significant contribution to the improvement of safety. ASN recommends that this order be signed as soon as possible.
Lastly, on the basis of the in-depth experience feedback from the Fukushima accident, ASN will reinforce the baseline safety referentials of the nuclear facilities, particularly with respect to earthquakes, flooding and risks associated with other industrial activities.
During this press conference, André-Claude Lacoste placed particular emphasis on the following points:
The ASN report will be communicated by the Prime Minister to the President of the European Commission as France's report on the stress tests decided by the European Council on 24 and 25 March 2011. The reports from the various European countries will be subject to a peer review process, which is planned to run from January to June 2012.
ASN will draw all the necessary conclusions from the results of this process. It will continue to actively participate in the analyses undertaken across the world to gain a clearer understanding of the Fukushima accident and learn the lessons from it.
ASN will be particularly vigilant in monitoring the implementation of the requirements it issues, and integration of the new baseline safety referentials it approves. As of summer 2012, it will present periodic progress reports on all of these actions.
Appendix to the press release of 3 January on the CSAs
In the wake of the Fukushima accident, ASN launched a Complementary Safety Assessment (CSA) of the French civil nuclear facilities, in response to the requests of the French Prime Minister on 23 March 2011, and the European Council on 24 and 25 March 2011.
The CSAs analyse the robustness of the facilities to extreme situations such as those that led to the Fukushima accident. All the nuclear facilities in France (150 facilities) are concerned by these in-depth safety reviews, including the research and fuel treatment facilities; subcontracting is also taken into consideration.
79 facilities were judged to have priority status and underwent the CSAs in 2011 (including the 58 nuclear reactors operated by EDF and the EPR reactor currently under construction).
The key steps in the process:
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