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The Perry Nuclear Power Plant took the PlaThe Perry Nuclear Power Plant took the Plant Computer out of service for scheduled maintenance which took ERDS out of service. From 0810 hours EST on February 10, 2009 for approximately 6 hours, personnel will be performing 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.</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 Private Branch Exchange, 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 10CFR50.72(b)(3)(xiii), as a condition that results in a major loss of offsite communication capability. A follow-up notification will be made when the maintenance activities are completed and the equipment is restored. The (NRC) Resident Inspector has been notified.</br>* * * UPDATE AT 1250 EST ON 2/10/09 FROM STANLEY TO HUFFMAN * * * </br>At 1240 EST the licensee returned the plant computer to service. ERDS, CADAP, and SPDS have been restored to operable status. The licensee has notified the NRC Resident Inspector.</br>R3DO (Burgess) has been informed.spector. R3DO (Burgess) has been informed.  +
13:10:00, 10 February 2009  +
09:45:00, 10 February 2009  +
13:10:00, 10 February 2009  +
The Perry Nuclear Power Plant took the PlaThe Perry Nuclear Power Plant took the Plant Computer out of service for scheduled maintenance which took ERDS out of service. From 0810 hours EST on February 10, 2009 for approximately 6 hours, personnel will be performing 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.</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 Private Branch Exchange, 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 10CFR50.72(b)(3)(xiii), as a condition that results in a major loss of offsite communication capability. A follow-up notification will be made when the maintenance activities are completed and the equipment is restored. The (NRC) Resident Inspector has been notified.</br>* * * UPDATE AT 1250 EST ON 2/10/09 FROM STANLEY TO HUFFMAN * * * </br>At 1240 EST the licensee returned the plant computer to service. ERDS, CADAP, and SPDS have been restored to operable status. The licensee has notified the NRC Resident Inspector.</br>R3DO (Burgess) has been informed.spector. R3DO (Burgess) has been informed.  +
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00:00:00, 10 February 2009  +
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>.
02:12:42, 2 March 2018  +
09:45:00, 10 February 2009  +
false  +
-0.143 d (-3.42 hours, -0.0204 weeks, -0.00468 months)  +
13:10:00, 10 February 2009  +
Plant Computer Oos for Scheduled Maintenance Taking Erds Oos  +
URL"URL" is a <a href="/Special:Types/URL" title="Special:Types/URL">type</a> and predefined property provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a> to represent URI/URL values.
1  +