ENS 44937
ENS Event | |
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05:00 Mar 27, 2009 | |
Title | Troubleshooting Emergency Offsite Facility Communications |
Event Description | This notification is being made in accordance with 10 CFR 50.72(b)(3)(xiii) as an event that will result in a major loss of emergency assessment capability, offsite response capability, or offsite communications capability (e.g. significant portion of control room indication, Emergency Notification System or offsite notification system.)
At approximately 0000 on 3/27/09, all five of the T-1 data lines to the Emergency Offsite Facility (EOF) will be taken out of service to troubleshoot and repair malfunctioning phone company equipment. Multiple short duration outages will occur until the malfunction can be located and repaired. This outage will cause a loss of Plant Management Information System printer capability, Safety Parameter Display System (SPDS) capability, FTS 2001 system, Alternate Intercom system, Low Band base radio (the primary Downwind Survey team radio), State Notification Telephone System, Dose Assessment and some external phone lines at the EOF. This loss of capability affects only the off-site EOF. All other emergency communications from the site to the NRC are not affected. Compensatory measures being put into effect include SPDS information relayed via telephone from the Technical Support Center, dose assessment and offsite notifications and reports via alternate means, or relocate the on-call Emergency Director to the Control Room and make notifications to offsite agencies via the Control Room Communicator. CNS is in contact with communications personnel to restore the T-1 lines as quickly as possible in the event of a declared emergency. Region IV and the NRC Resident Inspector were notified of the planned loss of the T-1 lines. CNS will notify the NRC when all EOF equipment affected by the T-1 lines have been satisfactorily tested and verified to be operational.
This notification is an update to EN#44937 regarding the planned troubleshooting of Emergency Off Site Facility (EOF) communications equipment. Discussion with the NPPD telecommunications vendor have identified that the planned troubleshooting and repair of Cooper's EOF communications equipment was completed non-intrusively. There was no actual interruption of the EOF communications equipment. Testing by the vendor, NPPD Telecommunications Department personnel and NPPD Emergency Preparedness Department personnel has been completed and all EOF communications equipment has been verified to be fully functional. The NRC Senior Resident Inspector and the State and Local Agencies will be notified that the CNS EOF communications equipment is fully functional. Notified the R4DO (O'Keefe).
This notification is a second follow up to Event Notification EN 44937 of 3/26/09 at 1852 EDT which reported the planned troubleshooting of Emergency Off Site Facility (EOF) communications equipment. The first follow up reported that the planned troubleshooting was completed non-intrusively and that no actual interruption of EOF capability occurred. Subsequently the telecommunication provider has advised that further troubleshooting is required. Therefore, at approximately 2300 on 3/30/09, all five T-1 data lines to the EOF will be taken out of service to troubleshoot and repair malfunctioning phone company equipment. Multiple short duration outages will occur until the malfunction can be located and repaired. This outage will cause a loss of Plant Management Information System printer capability, Safety Parameter Display System (SPDS) capability, FTS 2001 system, Alternate Intercom system, Low Band base radio (the primary Downwind Survey team radio), State Notification Telephone System, Dose Assessment and some external phone lines at the EOF. This loss of capability affects only the off-site EOF. All other emergency communications from the site to the NRC are not affected. Compensatory measures being put into effect include SPDS information relayed via telephone from the Technical Support Center, dose assessment and offsite notifications and reports via alternate means, or relocate the on-call Emergency Director to the Control Room and make notifications to offsite agencies via the Control Room Communicator. CNS is in contact with communications personnel to restore the T-1 lines as quickly as possible in the event of a declared emergency. Region IV and the NRC Resident Inspector were notified of the planned loss of the T-1 lines. CNS will notify the NRC when all EOF equipment affected by the T-1 lines have been satisfactorily tested and verified to be operational. Notified R4DO(Deese).
Third follow-up of event notification EN#44937. Discussions with the NPPD telecommunications vendor have identified that troubleshooting and repairs to the EOF communications equipment are complete [as of 0639 CDT]. Post-work testing by Telecommunications Department personnel and NPPD Emergency Preparedness Department personnel has been completed and all EOF communications equipment has been verified to be fully functional. The NRC Senior Resident Inspector will be informed. Notified R4DO (Deese).
This notification is a fourth follow up to Event Notification EN 44937 of 3/26/09 at 1852 EDT which reported the planned troubleshooting of Emergency Off Site Facility (EOF) communications equipment. The third follow up reported that subsequent repairs were completed and that EOF full communication capability had been restored. Since then, the telecommunication provider has advised that more troubleshooting is required. Therefore, at approximately 2300 on 4/7/09, all five T-1 data lines to the EOF will again be taken out of service to troubleshoot and repair malfunctioning phone company equipment. Multiple short duration outages will occur for approximately 7 hours8.101852e-5 days <br />0.00194 hours <br />1.157407e-5 weeks <br />2.6635e-6 months <br /> until the malfunction can be located and repaired. This outage will cause a loss of Plant Management Information System printer capability, Safety Parameter Display System (SPDS) capability, FTS 2001 system, Alternate Intercom system, Low Band base radio (the primary Downwind Survey team radio), State Notification Telephone System, Dose Assessment and some external phone lines at the EOF. This loss of capability affects only the off-site EOF. All other emergency communications from the site to the NRC are not affected. Compensatory measures being put into effect include SPDS information relayed via telephone from the Technical Support Center, dose Assessment and offsite notifications and reports via alternate means, or relocate the on-call Emergency Director to the Control Room and make notifications to offsite agencies via the Control Room Communicator. CNS is in contact with communications personnel to restore the T-1 lines as quickly as possible in the event of a declared emergency. Region IV and the NRC Resident Inspector were notified of the planned loss of the T-1 lines. CNS will notify the NRC when all EOF equipment affected by the T-1 lines have been satisfactorily tested and verified to be operational. Notified R4DO(Spitzberg).
Discussions with the NPPD telecommunications vendor have identified that troubleshooting and repairs to the EOF communications equipment were not necessary and no work was performed. Post-work testing by Telecommunications Department personnel and NPPD Emergency Preparedness Department personnel has been completed and all EOF communications equipment has been verified to be fully functional. The NRC Senior Resident Inspector has been informed. Notified R4DO(B. Spitzberg) |
Where | |
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Cooper ![]() Nebraska (NRC Region 4) | |
Reporting | |
10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness | |
Time - Person (Reporting Time:+-10.13 h-0.422 days <br />-0.0603 weeks <br />-0.0139 months <br />) | |
Opened: | Edward Mccutchen Jr. 18:52 Mar 26, 2009 |
NRC Officer: | Mark Abramovitz |
Last Updated: | Apr 8, 2009 |
44937 - NRC Website
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Unit 1 | |
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Reactor critical | Critical |
Scram | No |
Before | Power Operation (100 %) |
After | Power Operation (100 %) |
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