ENS 53003: Difference between revisions
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| event date = 10/06/2017 19:45 EDT | | event date = 10/06/2017 19:45 EDT | ||
| last update date = 10/06/2017 | | last update date = 10/06/2017 | ||
| title = Loss | | title = Loss of Control Room Habitability Envelope | ||
| event text = On October 6, 2017 at 1945 EDT, a loss of Control Room Habitability Envelope (CRE) was declared due to failing to meet the requirements of SR 3.7.3.4 during 72 month surveillance testing. Measured in-leakage exceeded the SR acceptance value. | | event text = On October 6, 2017 at 1945 EDT, a loss of Control Room Habitability Envelope (CRE) was declared due to failing to meet the requirements of SR 3.7.3.4 during 72 month surveillance testing. Measured in-leakage exceeded the SR acceptance value. | ||
The CRE is required to be maintained such that occupants can control the reactor safely under normal conditions and maintain it in a safe condition following a radiological event, hazardous chemical release, or a smoke challenge. The station remains in compliance with Technical Specification required action statements. | The CRE is required to be maintained such that occupants can control the reactor safely under normal conditions and maintain it in a safe condition following a radiological event, hazardous chemical release, or a smoke challenge. The station remains in compliance with Technical Specification required action statements. | ||
Latest revision as of 21:41, 1 March 2018
| Where | |
|---|---|
Susquehanna  Pennsylvania (NRC Region 1) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident | |
| LER: | 05000387/LER-2017-006 |
| Time - Person (Reporting Time:+-1.98 h-0.0825 days <br />-0.0118 weeks <br />-0.00271 months <br />) | |
| Opened: | Steve Koch 21:46 Oct 6, 2017 |
| NRC Officer: | Donald Norwood |
| Last Updated: | Oct 6, 2017 |
| 53003 - NRC Website
| |
Susquehanna with 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident | |