ENS 51642: Difference between revisions
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| event date = 01/07/2016 19:00 CST | | event date = 01/07/2016 19:00 CST | ||
| last update date = 01/08/2016 | | last update date = 01/08/2016 | ||
| title = Unanalyzed Condition - Appendix R Credited Procedures Not | | title = Unanalyzed Condition - Appendix R Credited Procedures Not in Place | ||
| event text = Prairie Island's Appendix R calculations credit a procedurally established repair instruction to the Train B Pressurizer Vent valves for a postulated fire in Fire Area 59 (Unit 1) and Fire Area 74 (Unit 2) to obtain Mode 5 during a postulated fire in the affected areas. At 1900 [CST] on 1/7/2016, during a review of corrective actions associated with Prairie Island's NFPA 805 transition, it was identified that the required procedures are not in place to make the analyzed repairs. | | event text = Prairie Island's Appendix R calculations credit a procedurally established repair instruction to the Train B Pressurizer Vent valves for a postulated fire in Fire Area 59 (Unit 1) and Fire Area 74 (Unit 2) to obtain Mode 5 during a postulated fire in the affected areas. At 1900 [CST] on 1/7/2016, during a review of corrective actions associated with Prairie Island's NFPA 805 transition, it was identified that the required procedures are not in place to make the analyzed repairs. | ||
It has been determined that this condition is reportable per 10 CFR 50.72(b)(3)(ii)(B) as an unanalyzed condition that significantly degrades plant safety. | It has been determined that this condition is reportable per 10 CFR 50.72(b)(3)(ii)(B) as an unanalyzed condition that significantly degrades plant safety. | ||
Latest revision as of 21:46, 1 March 2018
| Where | |
|---|---|
Prairie Island  Minnesota (NRC Region 3) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(ii)(B), Unanalyzed Condition | |
| LER: | 05000282/LER-2016-003 |
| Time - Person (Reporting Time:+-0.95 h-0.0396 days <br />-0.00565 weeks <br />-0.0013 months <br />) | |
| Opened: | Tom Holt 00:03 Jan 8, 2016 |
| NRC Officer: | Howie Crouch |
| Last Updated: | Jan 8, 2016 |
| 51642 - NRC Website
| |