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The Perry Nuclear Power Plant took the Pla … The Perry Nuclear Power Plant took the Plant Computer out of service for scheduled maintenance which will take ERDS out of service. From 0814 hours EDT, on August 26, 2008 for approximately 6 hours personnel will be performing disk maintenance activities on the Plant Computer. During this planned maintenance, the Safety Parameter Display System (SPDS) and the automatic mode calculation of the Computer Aided Dose Assessment Program (CADAP) will be unavailable. The unavailability period is necessary to replace a disk drive. </br>In the event of an emergency, plant parameter data will be orally transmitted to the facilities through the Status Board Ring Down circuit with back-up by the Plant Branch Exchange, the Off Premise Exchange, and various redundant intra-facility circuits throughout the emergency facilities. The dose assessment function will be maintained during the out of service time period by manual input of data into CADAP and, if required, by manual calculation. The ability to open and maintain an 'open line' using the Emergency Notification System will not be affected and will be the primary means of transferring plant data to the NRC as a contingency until the ERDS can be returned to service during the period of unavailability. </br>This event is being reported in accordance with 10 CFR 50.72(b)(3)(xiii), as a condition that results in a major loss of offsite communications capability. A follow-up notification will be made when the activities are completed and the equipment is restored. The resident inspector has been notified.</br>* * * UPDATE PROVIDED AT 1425 EDT ON 08/26/08 FROM MIKE BROGAN TO JEFF ROTTON * * *</br>Computer maintenance is complete and the Plant Computer has been restored to service. SPDS, CADAP and ERDS are available. The licensee will notify the NRC Resident Inspector. </br>Notified R3DO (Ring).esident Inspector.
Notified R3DO (Ring). +
12:14:00, 26 August 2008 +
44,440 +
09:27:00, 26 August 2008 +
12:14:00, 26 August 2008 +
The Perry Nuclear Power Plant took the Pla … The Perry Nuclear Power Plant took the Plant Computer out of service for scheduled maintenance which will take ERDS out of service. From 0814 hours EDT, on August 26, 2008 for approximately 6 hours personnel will be performing disk maintenance activities on the Plant Computer. During this planned maintenance, the Safety Parameter Display System (SPDS) and the automatic mode calculation of the Computer Aided Dose Assessment Program (CADAP) will be unavailable. The unavailability period is necessary to replace a disk drive. </br>In the event of an emergency, plant parameter data will be orally transmitted to the facilities through the Status Board Ring Down circuit with back-up by the Plant Branch Exchange, the Off Premise Exchange, and various redundant intra-facility circuits throughout the emergency facilities. The dose assessment function will be maintained during the out of service time period by manual input of data into CADAP and, if required, by manual calculation. The ability to open and maintain an 'open line' using the Emergency Notification System will not be affected and will be the primary means of transferring plant data to the NRC as a contingency until the ERDS can be returned to service during the period of unavailability. </br>This event is being reported in accordance with 10 CFR 50.72(b)(3)(xiii), as a condition that results in a major loss of offsite communications capability. A follow-up notification will be made when the activities are completed and the equipment is restored. The resident inspector has been notified.</br>* * * UPDATE PROVIDED AT 1425 EDT ON 08/26/08 FROM MIKE BROGAN TO JEFF ROTTON * * *</br>Computer maintenance is complete and the Plant Computer has been restored to service. SPDS, CADAP and ERDS are available. The licensee will notify the NRC Resident Inspector. </br>Notified R3DO (Ring).esident Inspector.
Notified R3DO (Ring). +
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Modification date"Modification date" is a predefined property that corresponds to the date of the last modification of a subject and is provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a>.
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12:14:00, 26 August 2008 +
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