Abstracts ASN Report 2019

׬٫ ڲ Outlook In 2020, ASN actions in the field of NPP oversight will more specifically concern the following topics. • Áǝƺ ȵƺȸǣȒƳǣƬ ɀƏǔƺɎɵ ȸƺɮǣƺɯɀ ŊļĿĿ ļņņňĸ Ĵ ŃłņļŇļłŁ ņŇĴŇĸŀĸŁŇ ļŁ ӅӃӅӃׇłŁ ŇĻĸ ĶłŁķļŇļłŁņ ĹłŅ ŇĻĸ ĶłŁŇļŁňĸķ łŃĸŅĴŇļłŁ łĹ ŇĻĸ ӌӃӃׇ ĸ ŅĸĴĶŇłŅņ ĵĸŌłŁķ their fourth periodic safety review. It will notably take account of the observations of the public collected during the consultation ĿĴňŁĶĻĸķ ļŁ ӅӃӄӋׇłŁ ŇĻĸ ŀĸĴņňŅĸņ ŃŅłŃłņĸķ ĵŌ ļŁ ŅĸņŃłŁņĸ to the objectives of this periodic safety review. • !ȒȅȵǼǣƏȇƬƺ Ȓǔ Ɏǝƺ ǔƏƬǣǼǣɎǣƺɀ ɯǣɎǝ Ɏǝƺǣȸ ƫƏɀƺǼǣȇƺ ƳƺɀǣǕȇً ƬȒȇɀɎȸɖƬɎǣȒȇ ƏȇƳ ȒȵƺȸƏɎǣȇǕ ȸƺȷɖǣȸƺȅƺȇɎɀ ASN will continue to be particularly attentive to the conformity łĹ ŇĻĸ ĹĴĶļĿļŇļĸņ ļŁ ӅӃӅӃׇĴŁķ ŊļĿĿ ļŁ ŇĻļņ ŅĸņŃĸĶŇ ĶłŁŇļŁňĸ ļŇņ inspections of the condition of equipment and systems. It will ĸŁņňŅĸ ŇĻĴŇ ŇĻĸ ŁĸŊ ĵĴņĸĿļŁĸ ĹłŅ ŃŅłĶĸņņļŁĺ ķĸʼnļĴŇļłŁņ ļņ able to satisfactorily meet the regulatory obligations linked to the detection and processing of deviations and reporting to ASN. ŊļĿĿ ĴĿņł ĵĸ ŃĴŅŇļĶňĿĴŅĿŌ ʼnļĺļĿĴŁŇ Ňł ѡņ ĶłŅŅĸĶŇ ŃĸŅĹłŅŀĴŁĶĸ of the facilities compliance inspection programme during the ĹłňŅŇĻ ŇĸŁіŌĸĴŅĿŌ ļŁņŃĸĶŇļłŁ łĹ ŇĻĸ ňĺĸŌ ŅĸĴĶŇłŅׇӅє • …ɮƺȸɀǣǕǝɎ Ȓǔ Ɏǝƺ IǼƏȅƏȇɮǣǼǼƺ 0¨« ȸƺƏƬɎȒȸ ASN will continue to monitor the installation of equipment, the preparation for and performance of the start-up tests and the preparation of the various operating support documents. The nuclear safety inspectors will continue with inspections at a sustained rate. ASN will continue to examine the commissioning authorisation application and will issue a position statement on the partial commissioning application, corresponding to the arrival of nuclear fuel on the site. ļŁĴĿĿŌё ŊļĿĿ ĶłŁŇļŁňĸ Ňł ĸŋĴŀļŁĸ ŇĻĸ ŃŅłĶĸņņļŁĺ łĹ ķĸʼnļĴŇļłŁņ affecting the main secondary system welds, along with the conformity assessments of the NPE most important for safety. • …ɮƺȸɀǣǕǝɎ Ȓǔ zɖƬǼƺƏȸ ¨ȸƺɀɀɖȸƺ 0ȷɖǣȵȅƺȇɎ ٢z¨0٣ In recent years, oversight of NPE has been marked by three major events: the detection of carbon macrosegregation problems in certain forged components, the discovery of irregularities that ĶłňĿķ ĵĸ ĶłŁņŇŅňĸķ Ĵņ ĹĴĿņļĹļĶĴŇļłŁņё ŁłŇĴĵĿŌ ŊļŇĻļŁ ŅĴŀĴŇłŀĸѡņ ŅĸňņłŇ łŅĺĸ ŃĿĴŁŇ ĴŁķ łŁ ŇĻĸ ŁĶļōĸņ ņļŇĸ łĹ ňĵĸŅŇ ĸŇ ňʼnĴĿё as well as the problem of controlling weld quality on the ĿĴŀĴŁʼnļĿĿĸ є In 2020, ASN will carry out work to monitor these three events and will also continue with work to prevent such problems from happening again. ASN Report on the state of nuclear safety and radiation protection in France in 2019 311 ׏׎ ٲ THE EDF NUCLEAR POWER PLANTS 10