ML19162A409
| ML19162A409 | |
| Person / Time | |
|---|---|
| Issue date: | 06/13/2019 |
| From: | Office of Nuclear Regulatory Research |
| To: | |
| T. Rivera | |
| Shared Package | |
| ML19162A398 | List: |
| References | |
| Download: ML19162A409 (2) | |
Text
Step 4: Identify Equipment with Potential Spurious Actuations that May Challenge the Mitigating Capability to be Credited Considered spurious equipment operations Description PRA System or Function Possibly Affected Comments/Disposition MOV-13 PORV block valve MOV-16 AFW-A test line isolation valve MOV-17 AFW-B test line isolation valve MOV-19 AFW-C test line isolation valve MOV-3 Containment sump recirc. valve MOV-4 Containment sump recirc. valve AOV-1 PORV AOV-2 Letdown isolation valve AOV-3 Charging pump injection valve AOV-4 Atmospheric dump valve RHR-B RHR-B pump
Step 5: Identify Additional Mitigating, Instrumentation, and Diagnostic Equipment Important to Human Response Instrumentation required to perform human actions Description Potentially Affected Human Failure Event in PRA model Comments/Disposition LI-1 RWST level LI-2 RWST level LI-3 Containment sump level LI-4 Containment sump level LI-5 SG secondary level LI-6 SG secondary level TI-1 Letdown heat exchanger outlet temp PT-1 RCS pressure A-1 AFW-A motor high temp Step 6: Include Potentially High Consequence Related Equipment Equipment or combinations of equipment that can cause high consequence event Description of high consequence event Comments/Disposition