Abstracts ASN Report 2019

involved in operation. Of these, the processing of significant events requires an in-depth analysis of the organisational and human causes in addition to the technical causes. ňŅŇĻĸŅŀłŅĸё ŇĻĸ ĴĵłʼnĸіŀĸŁŇļłŁĸķ łŅķĸŅ ŅĸńňļŅĸņ ŇĻĴŇ ŇĻĸ licensee define and implement an Integrated Management System (IMS) to ensure that the requirements concerning the protection of interests are systematically considered in any decision concerning the facility. This IMS must specify the steps taken with regard to organisation and to resources of all kinds, in particular those adopted to control the activities important for the protection of persons and the environment. łʼnĸŅņļĺĻŇ łĹ ŇĻĸ ŊłŅľļŁĺ łĹ ŇĻĸ łŅĺĴŁļņĴŇļłŁņ ņĸŇ ňŃ ĵŌ aims to check the IMS implementation procedures. ASN more particularly ensures that the design or modification approach adopted by the engineering centres at the moment of the design of a new facility or a modification to an existing facility takes account of the users’ needs and does not compromise compliance with the defined requirements. More broadly, ASN monitors the organisation put into place by Ňł ŀĴŁĴĺĸ ŇĻĸ ŅĸņłňŅĶĸņ Łĸĸķĸķ Ňł ŃĸŅĹłŅŀ ŇĻĸņĸ ĴĶŇļʼnļŇļĸņє • xƏȇƏǕƺȅƺȇɎ Ȓǔ ɀɖƫƬȒȇɎȸƏƬɎƺƳ ƏƬɎǣɮǣɎǣƺɀ ĴļŁŇĸŁĴŁĶĸ ĴŁķ ŀłķļĹļĶĴŇļłŁ ĴĶŇļʼnļŇļĸņ łŁ ŅĸŁĶĻ ŅĸĴĶŇłŅņ ĴŅĸ Ňł Ĵ ĿĴŅĺĸ ĸŋŇĸŁŇ ņňĵĶłŁŇŅĴĶŇĸķ ĵŌ Ňł łňŇņļķĸ ĶłŁŇŅĴĶŇłŅņє ĽňņŇļĹļĸņ ŇĻĸ ňņĸ łĹ ņňĵĶłŁŇŅĴĶŇļŁĺ ĵŌ ŇĻĸ Łĸĸķ Ňł ĶĴĿĿ łŁ specific or rare expertise, as well as the highly seasonal nature of reactor outages and thus the need to absorb workload peaks. ѡņ ķĸĶļņļłŁ Ňł ŅĸņłŅŇ Ňł ņňĵĶłŁŇŅĴĶŇļŁĺ ŀňņŇ ŁłŇ ĶłŀŃŅłŀļņĸ the technical skills it must retain in-house in order to carry out its responsibility as licensee with regard to the protection of persons and the environment and to be able to effectively monitor the quality of the work performed by the subcontractors. Poorly managed subcontracting is liable to lead to poor quality work GRAPH 1 Trend in the number of significant events rated on the INES scale in the EDF nuclear power plants between 2009 and 2019 0 200 400 600 800 1,000 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 INES Level 0 INES Level 1 INES Level 2 795 717 747 830 817 765 697 717 835 875 934 GRAPH 2 Trend in the number of significant events by domain in the EDF nuclear power plants between 2009 and 2019 ³ǣǕȇǣˡƬƏȇɎ ³ƏǔƺɎɵ 0ɮƺȇɎɀ ³ǣǕȇǣˡƬƏȇɎ «ƏƳǣƏɎǣȒȇ ¨ȸȒɎƺƬɎǣȒȇ 0ɮƺȇɎɀ ³ǣǕȇǣˡƬƏȇɎ 0ȇɮǣȸȒȇȅƺȇɎƏǼ 0ɮƺȇɎɀ 895 812 845 919 902 868 774 782 916 930 999 0 200 400 600 800 1,000 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 ASN Report on the state of nuclear safety and radiation protection in France in 2019 297 ׏׎ ٲ THE EDF NUCLEAR POWER PLANTS 10