ENS 51522: Difference between revisions
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| event date = 11/09/2015 05:47 MST | | event date = 11/09/2015 05:47 MST | ||
| last update date = 11/09/2015 | | last update date = 11/09/2015 | ||
| title = Unusual Event Declared Due | | title = Unusual Event Declared Due to Containment Fire Alarm | ||
| event text = The following event description is based on information currently available. If through subsequent reviews of this event additional information is identified that is pertinent to this event or alters the information being provided at this time a follow-up notification will be made via the ENS or under the reporting requirements of 10 CFR 50.73. | | event text = The following event description is based on information currently available. If through subsequent reviews of this event additional information is identified that is pertinent to this event or alters the information being provided at this time a follow-up notification will be made via the ENS or under the reporting requirements of 10 CFR 50.73. | ||
During Palo Verde Nuclear Generating Station Unit 2 containment pressurization for integrated leak rate testing in Mode 5, a containment fire alarm in Fire Zone 63B (Steam Generator 2 all elevations of containment) was received. Containment temperature and pressure at time of event were 72 degrees F and 13 PSIG. | During Palo Verde Nuclear Generating Station Unit 2 containment pressurization for integrated leak rate testing in Mode 5, a containment fire alarm in Fire Zone 63B (Steam Generator 2 all elevations of containment) was received. Containment temperature and pressure at time of event were 72 degrees F and 13 PSIG. | ||
Latest revision as of 21:46, 1 March 2018
| Where | |
|---|---|
Palo Verde  Arizona (NRC Region 4) | |
| Reporting | |
| Emergency class: | Unusual Event |
| 10 CFR 50.72(a) (1) (i), Emergency Class Declaration | |
| Time - Person (Reporting Time:+-4.12 h-0.172 days <br />-0.0245 weeks <br />-0.00564 months <br />) | |
| Opened: | C. R. Orozco 08:40 Nov 9, 2015 |
| NRC Officer: | Donald Norwood |
| Last Updated: | Nov 9, 2015 |
| 51522 - NRC Website
| |