ENS 45467: Difference between revisions
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| event date = 10/26/2009 10:50 CDT | | event date = 10/26/2009 10:50 CDT | ||
| last update date = 11/18/2009 | | last update date = 11/18/2009 | ||
| title = Pressurizer | | title = Pressurizer and Feedwater Storage Tank Level Indications Do Not Meet Appendix R Requirements | ||
| event text = During a review in preparation for converting from 10 CFR 50 Appendix R to NFPA 805, it was discovered that all of the cables for pressurizer and emergency feedwater storage tank level indications did not meet Appendix R cable requirements. A fire in Corridor 4, Corridor 26, or in Room 6 could result in a failure of level indication for these critical components. Corridors 4 and 26 were adequately addressed by existing fire watches. A fire watch was established for Room 6 upon discovery of this condition. Pressurizer level and emergency feedwater storage tank level indicators currently meet their requirements, with the established fire watches. | | event text = During a review in preparation for converting from 10 CFR 50 Appendix R to NFPA 805, it was discovered that all of the cables for pressurizer and emergency feedwater storage tank level indications did not meet Appendix R cable requirements. A fire in Corridor 4, Corridor 26, or in Room 6 could result in a failure of level indication for these critical components. Corridors 4 and 26 were adequately addressed by existing fire watches. A fire watch was established for Room 6 upon discovery of this condition. Pressurizer level and emergency feedwater storage tank level indicators currently meet their requirements, with the established fire watches. | ||
The licensee notified the NRC Resident Inspector. | The licensee notified the NRC Resident Inspector. | ||
Latest revision as of 22:10, 1 March 2018
| Where | |
|---|---|
Ft Calhoun  Nebraska (NRC Region 4) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(ii)(B), Unanalyzed Condition | |
| Time - Person (Reporting Time:+-3.05 h-0.127 days <br />-0.0182 weeks <br />-0.00418 months <br />) | |
| Opened: | Erick Matzke 12:47 Oct 26, 2009 |
| NRC Officer: | Karl Diederich |
| Last Updated: | Nov 18, 2009 |
| 45467 - NRC Website
| |