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This report is being made in accordance wi … This report is being made in accordance with 10CFR50.73 (a)(1), which states, in part, "in the case of an invalid actuation reported under 10 CFR50.73(a)(2)(iv), other than actuation of the reactor protection system (RPS) when the reactor is critical, the licensee may, at its option, provide a telephone notification to the NRC Operations Center within 60 days after discovery of the event instead of submitting a written LER." These invalid actuations are being reported under 10CFR50.73(a)(2)(iv)(A). NUREG-1022, Rev. 2, states that the report should provide the following information:</br>-The specific train(s) and system(s) that were actuated</br>-Whether each train actuation was complete or partial</br>-Whether or not the system started and functioned successfully.</br>On January 11, 2004, at 0637 hours, the Reactor Building Exhaust Radiation Monitor (i.e., 1-D12-RM-K609B) signal input spiked resulting in the invalid actuation of the logic associated with the instrument channel. The actuations included the Primary Containment Isolation System (PCIS) Group 6 (i.e., Containment Atmosphere Control/Dilution, Containment Atmosphere Monitoring, and Post Accident Sampling Systems) valves, the Reactor Building Ventilation System isolation (i.e., Secondary Containment isolation) and the automatic start of both Standby Gas Treatment (SGT) System trains A and B. The actuations of PCIS Group 6 valves and Reactor Building Ventilation System isolation were complete and the affected equipment responded as designed to the invalid signal (i.e., the valves and dampers that were open, at the time of the event, closed). Additionally, SGT System trains A and B started and functioned successfully. After verification of the expected equipment responses, 1-D12-RM-K609B was reset, the actuation logic was reset, and the equipment/systems were returned to the status required by plant conditions. A radiological survey of the monitored area was completed with no abnormal conditions noted.</br>Discussion of the causes and corrective actions associated with this event are documented in the corrective action program in action request (i.e., AR) 115087. The resident inspector has been notified. The resident inspector has been notified.
11:37:00, 11 January 2004 +
40,541 +
15:36:00, 23 February 2004 +
11:37:00, 11 January 2004 +
This report is being made in accordance wi … This report is being made in accordance with 10CFR50.73 (a)(1), which states, in part, "in the case of an invalid actuation reported under 10 CFR50.73(a)(2)(iv), other than actuation of the reactor protection system (RPS) when the reactor is critical, the licensee may, at its option, provide a telephone notification to the NRC Operations Center within 60 days after discovery of the event instead of submitting a written LER." These invalid actuations are being reported under 10CFR50.73(a)(2)(iv)(A). NUREG-1022, Rev. 2, states that the report should provide the following information:</br>-The specific train(s) and system(s) that were actuated</br>-Whether each train actuation was complete or partial</br>-Whether or not the system started and functioned successfully.</br>On January 11, 2004, at 0637 hours, the Reactor Building Exhaust Radiation Monitor (i.e., 1-D12-RM-K609B) signal input spiked resulting in the invalid actuation of the logic associated with the instrument channel. The actuations included the Primary Containment Isolation System (PCIS) Group 6 (i.e., Containment Atmosphere Control/Dilution, Containment Atmosphere Monitoring, and Post Accident Sampling Systems) valves, the Reactor Building Ventilation System isolation (i.e., Secondary Containment isolation) and the automatic start of both Standby Gas Treatment (SGT) System trains A and B. The actuations of PCIS Group 6 valves and Reactor Building Ventilation System isolation were complete and the affected equipment responded as designed to the invalid signal (i.e., the valves and dampers that were open, at the time of the event, closed). Additionally, SGT System trains A and B started and functioned successfully. After verification of the expected equipment responses, 1-D12-RM-K609B was reset, the actuation logic was reset, and the equipment/systems were returned to the status required by plant conditions. A radiological survey of the monitored area was completed with no abnormal conditions noted.</br>Discussion of the causes and corrective actions associated with this event are documented in the corrective action program in action request (i.e., AR) 115087. The resident inspector has been notified. The resident inspector has been notified.
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93 +
00:00:00, 23 February 2004 +
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>.
22:43:46, 24 September 2017 +
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43.166 d (1,035.98 hours, 6.167 weeks, 1.419 months) +
11:37:00, 11 January 2004 +
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.