ENS 49851: Difference between revisions
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| event date = 02/23/2014 12:00 EST | | event date = 02/23/2014 12:00 EST | ||
| last update date = 03/15/2014 | | last update date = 03/15/2014 | ||
| title = Integrated Plant Computer System Removed | | title = Integrated Plant Computer System Removed from Service for Planned Maintenance | ||
| event text = [On] February 23, 2014, at approximately 1200 [EST], the Fermi 2 Integrated Plant Computer System (IPCS) was removed from service outside of the Control Room to support planned system maintenance. The Safety Parameters Display System (SPDS) and Emergency Response Data System (ERDS) reside on the IPCS platform and [was rendered] out of service when the IPCS [was] removed from Emergency Response Facilities (ERFs). These systems will be unavailable to all Emergency Response Facilities (ERFs) for approximately 50 hours. During this time, dose assessment (Raddose) capability will only be available in the manual data input mode. The SPDS indications and Raddose remain available to the plant staff in the Control Room, and will be used for emergency response, if needed. Information will be communicated to the NRC using other available communication systems as needed. A follow-up notification will be submitted when the IPCS is completely restored, including SPDS and ERDS, to the Operational Support Center, the Technical Support Center, and alternate facilities. This 8-hour non-emergency notification is being made per the requirements of 10 CFR 50.72(b)(3)(xiii), as an event that results in a major loss of emergency assessment capability. | | event text = [On] February 23, 2014, at approximately 1200 [EST], the Fermi 2 Integrated Plant Computer System (IPCS) was removed from service outside of the Control Room to support planned system maintenance. The Safety Parameters Display System (SPDS) and Emergency Response Data System (ERDS) reside on the IPCS platform and [was rendered] out of service when the IPCS [was] removed from Emergency Response Facilities (ERFs). These systems will be unavailable to all Emergency Response Facilities (ERFs) for approximately 50 hours. During this time, dose assessment (Raddose) capability will only be available in the manual data input mode. The SPDS indications and Raddose remain available to the plant staff in the Control Room, and will be used for emergency response, if needed. Information will be communicated to the NRC using other available communication systems as needed. A follow-up notification will be submitted when the IPCS is completely restored, including SPDS and ERDS, to the Operational Support Center, the Technical Support Center, and alternate facilities. This 8-hour non-emergency notification is being made per the requirements of 10 CFR 50.72(b)(3)(xiii), as an event that results in a major loss of emergency assessment capability. | ||
The licensee has notified the NRC Resident Inspector. | The licensee has notified the NRC Resident Inspector. | ||
Latest revision as of 20:51, 1 March 2018
| Where | |
|---|---|
Fermi  Michigan (NRC Region 3) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness | |
| Time - Person (Reporting Time:+-4.62 h-0.193 days <br />-0.0275 weeks <br />-0.00633 months <br />) | |
| Opened: | Paul Gresh 12:23 Feb 23, 2014 |
| NRC Officer: | Howie Crouch |
| Last Updated: | Mar 15, 2014 |
| 49851 - NRC Website
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