EDF BNI OPERATION AND DESCRIPTION CHALLENGE NEXT KEY STEPS ASN OBSERVATIONS BNI Decommissioning of reactor pressure vessel “Pilot” project for the decommissioning of the other GCRs • Opening of pressure vessel and installation of the decommissioning platform. • Decommissioning of the graphite stack. Removal of the fuel from the facility has significantly reduced the risks. The facility has moreover already been partly decommissioned. ASN will issue a position statement on the deadlines presented by EDF for decommissioning its GCRs, as part of the review of the decommissioning files submitted at the end of 2022. BNI 74 Retrieval and packaging of the graphite sleeves Construction of a new storage facility that meets current safety standards Construction of the new storage building and of the retrieval and packaging equipment. ASN will issue a position statement on the safety of the new storage facility project as part of the review of the decommissioning file submitted in 2022. * Deadline as presented in the last file subject to public inquiry or the deadline stipulated by ASN. Orano La Hague BNI OPERATION AND DESCRIPTION CHALLENGE NEXT KEY STEPS ASN OBSERVATIONS BNI 33 Decommissioning of the “High Activity Dissolution Extraction” unit (HADE) Short-term safety with respect to the earthquake hazard Active commissioning of the DFG building (French acronym for “Fine granulometry waste”) for retrieval of decladding waste (scheduled for 2028). The decommissioning priority for this facility is given to the expeditious retrieval of the legacy waste, which represents a major risk for safety given the large radiological inventory and the fragility of the current storage conditions. The rinsing and treatment operations on the effluents in the solvent tanks in the HAPF unit could be postponed to about 2035 in the event of technical difficulties. The end of decommissioning is scheduled for 2046 (*). Decommissioning of the “High Activity Fission Product” unit (HAPF) Rinsing and effluent treatment operations on the HAPF unit solvent tanks (scheduled for before the end of 2031). Decommissioning of the “Medium Activity Plutonium” unit (MAPu) Short term safety of neighbouring units with respect to the earthquake hazard Dismantling of upper storeys to limit risks to the units in operation (scheduled before end of 2028). * Deadline as presented in the last file subject to public inquiry or the deadline stipulated by ASN. Chinon A2 ASN Report on the state of nuclear safety and radiation protection in France in 2023 357 • 14 • Decommissioning of Basic Nuclear Installations 14 05 15 08 11 04 06 07 13 AP 03 10 02 09 12 01
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