ENS 48087: Difference between revisions
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| event date = 07/10/2012 22:25 EDT | | event date = 07/10/2012 22:25 EDT | ||
| last update date = 07/11/2012 | | last update date = 07/11/2012 | ||
| title = Loss | | title = Loss of Erds Due to Communications Network Module Failure | ||
| event text = A 'Communications Network Module' failed rendering the Emergency Response Display System (ERDS) incapable of transmitting data to the NRC. ERDS is out of service for both Unit 1 and Unit 2. Should an emergency be declared during this period, the Control Room will continue to have the capability to retrieve plant data inputs to assess plant conditions and perform core damage assessment. Control Room Emergency Response Organization personnel will use backup methods already captured in emergency response procedures to disseminate plant parameter data to the effected emergency response facilities and NRC during the plant data network outage. The module was removed from service and ERDS was restored at 2325 [EDT]. | | event text = A 'Communications Network Module' failed rendering the Emergency Response Display System (ERDS) incapable of transmitting data to the NRC. ERDS is out of service for both Unit 1 and Unit 2. Should an emergency be declared during this period, the Control Room will continue to have the capability to retrieve plant data inputs to assess plant conditions and perform core damage assessment. Control Room Emergency Response Organization personnel will use backup methods already captured in emergency response procedures to disseminate plant parameter data to the effected emergency response facilities and NRC during the plant data network outage. The module was removed from service and ERDS was restored at 2325 [EDT]. | ||
The licensee will notify the NRC Resident Inspector. | The licensee will notify the NRC Resident Inspector. |
Latest revision as of 22:03, 1 March 2018
Where | |
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Calvert Cliffs Maryland (NRC Region 1) | |
Reporting | |
10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness | |
Time - Person (Reporting Time:+-0.03 h-0.00125 days <br />-1.785714e-4 weeks <br />-4.1094e-5 months <br />) | |
Opened: | Dan Geneva 02:23 Jul 11, 2012 |
NRC Officer: | Dong Park |
Last Updated: | Jul 11, 2012 |
48087 - NRC Website
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