- 209 - CHAPTER 3 COMPLEMENTARY SAFETY ASSESSMENTS OF THE NUCLEAR FACILITIES OTHER THAN NUCLEAR POWER REACTORS.....................................................................................211 1. OVERVIEW OF THE SITES AND FACILITIES..................................................................211 1.1. Definition of the notion of priority facilities..........................................................................211 1.2. Overview of the sites and facilities........................................................................................214 1.2.1 Experimental reactors..................................................................................................................214 1.2.2 Fuel cycle facilities......................................................................................................................218 1.2.3 Other facilities ............................................................................................................................. 225 1.3. An approach adapted to the diversity of the facilities............................................................225 1.3.1 Particularities of the approach for nuclear facilities other than power reactors........................... 225 1.3.2. Identification of the feared situations.......................................................................................... 227 1.4. ASN's overall assessment of the identification of the feared situations.................................236 2. EARTHQUAKE.......................................................................................................................... 237 2.1. Design of the facilities...........................................................................................................237 2.2. Experimental reactors............................................................................................................237 2.2.1 reactors operated by the CEA (Osiris, JHR, Phénix)................................................................... 237 2.2.2. Reactor operated by the ILL....................................................................................................... 242 2.3. Nuclear fuel cycle facilities (La Hague, Tricastin, Mélox, FBFC)........................................245 2.3.1. Tricastin site................................................................................................................................ 245 2.3.2. The La Hague site....................................................................................................................... 249 2.3.3 Other facilities in the fuel cycle (Mélox, FBFC)......................................................................... 253 2.4. Other facilities (ATPu, Masurca)...........................................................................................258 2.4.1. ATPu...........................................................................................................................................258 2.4.2. Masurca.......................................................................................................................................259 2.5. General provisions relative to the seismic risk......................................................................260 3. FLOODING................................................................................................................................. 261 3.1. Design of the facilities...........................................................................................................261 3.2. Experimental reactors............................................................................................................261 3.2.1 Reactors operated by the CEA (Osiris, JHR, Phénix).................................................................. 261 3.2.2. Reactor operated by the ILL....................................................................................................... 267 3.3. Nuclear fuel cycle facilities (La Hague, Tricastin, Mélox, FBFC)........................................269 3.3.1 Tricastin site................................................................................................................................. 269 3.3.2. La Hague site.............................................................................................................................. 271 3.3.3. Other facilities in the fuel cycle (Mélox, FBFC)........................................................................ 273 3.4. Other facilities (ATPu, Masurca)...........................................................................................276 3.4.1 ATPu............................................................................................................................................ 276 3.4.2 Masurca.......................................................................................................................................277 4. OTHER EXTREME NATURAL PHENOMENA...................................................................280 4.1. Design of the facilities...........................................................................................................280 4.2. Experimental reactors............................................................................................................280 4.2.1. Reactors operated by the CEA (Osiris, JHR, Phénix)................................................................. 280 4.2.2. Reactor operated by the ILL....................................................................................................... 282
RkJQdWJsaXNoZXIy NjQ0NzU=