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Cook Nuclear Power Plant will begin a cybe … Cook Nuclear Power Plant will begin a cyber security modification of Unit 1 and Unit 2 Plant Process Computers (PPCs) and associated network infrastructure on Tuesday, November 13, 2012 at 0900 EST. This includes the Emergency Response Data System (ERDS) communication with the NRC Operations Center.</br>The entire PPC for each unit will be out of service and unavailable for approximately 6 hours. During that time, the PPC satellite display systems in the Control Rooms, TSC and EOF will be unavailable. After approximately 9 hours, the ERDS will be restored to service along with the satellite display systems in the Control Rooms, TSC and EOF.</br>Compensatory measures exist within the DC Cook Emergency Response procedures to provide plant data in the event of an actual Emergency to the NRC Operations Center until the ERDS can be returned to service. Unavailability of the ERDS and Control Room, TSC and EOF data is being reported in accordance with 10 CFR 50.72(b)(3)(xiii) as a major loss of emergency assessment capability. The NRC Resident Inspector has been notified. A follow-up ENS communication will be made when both units ERDS are fully restored to service.</br>Unit 1 and Unit 2 PPC availability is expected to be restored on Tuesday, November 13, 2012 at 1500 EST. ERDS communication with the NRC Operations Center is expected to be restored on November 13, 2012 at 1800 EST.</br>* * * UPDATE FROM BRADDOCK LEWIS TO HOWIE CROUCH @ 1559 EST ON 11/13/12 * * * </br>The licensee notified the Operations Center that the PPC work was delayed and, as a consequence, ERDS restoration will be delayed. Work on the PPC continues.</br>The licensee has notified the NRC Resident Inspector. Notified R3DO (Giessner) and ERDS Group (via email).</br>* * * UPDATE AT 1908 EST ON 11/13/12 FROM GREG KANDA TO MARK ABRAMOVITZ * * *</br>ERDS was declared operable at 1815 EST. The licensee notified the NRC Resident Inspector.</br>Notified R3DO (Giessner) and ERDS Group (via email).3DO (Giessner) and ERDS Group (via email). +
14:00:00, 13 November 2012 +
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07:49:00, 13 November 2012 +
14:00:00, 13 November 2012 +
Cook Nuclear Power Plant will begin a cybe … Cook Nuclear Power Plant will begin a cyber security modification of Unit 1 and Unit 2 Plant Process Computers (PPCs) and associated network infrastructure on Tuesday, November 13, 2012 at 0900 EST. This includes the Emergency Response Data System (ERDS) communication with the NRC Operations Center.</br>The entire PPC for each unit will be out of service and unavailable for approximately 6 hours. During that time, the PPC satellite display systems in the Control Rooms, TSC and EOF will be unavailable. After approximately 9 hours, the ERDS will be restored to service along with the satellite display systems in the Control Rooms, TSC and EOF.</br>Compensatory measures exist within the DC Cook Emergency Response procedures to provide plant data in the event of an actual Emergency to the NRC Operations Center until the ERDS can be returned to service. Unavailability of the ERDS and Control Room, TSC and EOF data is being reported in accordance with 10 CFR 50.72(b)(3)(xiii) as a major loss of emergency assessment capability. The NRC Resident Inspector has been notified. A follow-up ENS communication will be made when both units ERDS are fully restored to service.</br>Unit 1 and Unit 2 PPC availability is expected to be restored on Tuesday, November 13, 2012 at 1500 EST. ERDS communication with the NRC Operations Center is expected to be restored on November 13, 2012 at 1800 EST.</br>* * * UPDATE FROM BRADDOCK LEWIS TO HOWIE CROUCH @ 1559 EST ON 11/13/12 * * * </br>The licensee notified the Operations Center that the PPC work was delayed and, as a consequence, ERDS restoration will be delayed. Work on the PPC continues.</br>The licensee has notified the NRC Resident Inspector. Notified R3DO (Giessner) and ERDS Group (via email).</br>* * * UPDATE AT 1908 EST ON 11/13/12 FROM GREG KANDA TO MARK ABRAMOVITZ * * *</br>ERDS was declared operable at 1815 EST. The licensee notified the NRC Resident Inspector.</br>Notified R3DO (Giessner) and ERDS Group (via email).3DO (Giessner) and ERDS Group (via email). +
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