| | Location | Type | No. |
| | PZR relief tank
room | FR90/1–1500 | 3 | | Surge line room | FR90/1–960 | 1 | | PZR room | FR90/1–960 | 1 | | No. 1 SG
compartment | FR90/1–1500 | 3 | | No. 2 SG compartment | FR90/1–1500 | 3 | | No.1 RCP room | FR90/1–960 | 1 | | No.1 RCP room | FR90/1–960 | 1 | | SIT room | FR90/1–960 | 1 | | Dome region | FR90/1–1500 | 4 | | Annular compartment | FR90/1–1500 | 4 |
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