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On 10/12/12 at 0420 CDT the Unit 2 Steam G … On 10/12/12 at 0420 CDT the Unit 2 Steam Generator B Atmospheric Steam Dump Valve (ADV) spuriously opened while in automatic control. This resulted in indicated reactor power exceeding the FSAR analyzed value of 1810.8 MWt. Prompt operator action was taken and reactor power was restored to within limits in approximately four minutes. The operators placed the Atmospheric Steam Dump Controller to manual and closed the ADV successfully. This event is being reported under the criteria in 10 CFR 50.72 (b)(3)(ii)(B).</br>All other plant systems responded as expected.</br>The licensee has notified the NRC Resident Inspector.</br>* * * RETRACTION FROM MARY SIPIORSKI TO VINCE KLCO ON 12/04/12 AT 1544 EST * * * </br>This notification is being made to retract Event Notification EN #48402 which reported power exceeding the FSAR analyzed value of 1810.8 MWt due to a spurious opening of an Atmospheric Steam Dump Valve. While 1810.8 MWt is the normal PBNP (Point Beach Nuclear Plant) full power value without consideration to uncertainties, subsequent reviews show that the peak power level reached during the event was bounded by FSAR analyzed events. Additionally, the opening of the valve is an Anticipated Operational Occurrence, described and analyzed in the FSAR.</br>The power excursion during the event was below excursions evaluated in the FSAR. The event was analyzed and plant safety was not significantly degraded. Therefore, the event does not meet the criteria of 10CFR50.72(b)(3) and NextEra Energy Point Beach retracts Event Notification EN #48402.</br>The licensee notified the NRC Resident Inspector.</br>Notified the R3DO (Pelke).dent Inspector.
Notified the R3DO (Pelke). +
09:20:00, 12 October 2012 +
48,402 +
11:29:00, 12 October 2012 +
09:20:00, 12 October 2012 +
On 10/12/12 at 0420 CDT the Unit 2 Steam G … On 10/12/12 at 0420 CDT the Unit 2 Steam Generator B Atmospheric Steam Dump Valve (ADV) spuriously opened while in automatic control. This resulted in indicated reactor power exceeding the FSAR analyzed value of 1810.8 MWt. Prompt operator action was taken and reactor power was restored to within limits in approximately four minutes. The operators placed the Atmospheric Steam Dump Controller to manual and closed the ADV successfully. This event is being reported under the criteria in 10 CFR 50.72 (b)(3)(ii)(B).</br>All other plant systems responded as expected.</br>The licensee has notified the NRC Resident Inspector.</br>* * * RETRACTION FROM MARY SIPIORSKI TO VINCE KLCO ON 12/04/12 AT 1544 EST * * * </br>This notification is being made to retract Event Notification EN #48402 which reported power exceeding the FSAR analyzed value of 1810.8 MWt due to a spurious opening of an Atmospheric Steam Dump Valve. While 1810.8 MWt is the normal PBNP (Point Beach Nuclear Plant) full power value without consideration to uncertainties, subsequent reviews show that the peak power level reached during the event was bounded by FSAR analyzed events. Additionally, the opening of the valve is an Anticipated Operational Occurrence, described and analyzed in the FSAR.</br>The power excursion during the event was below excursions evaluated in the FSAR. The event was analyzed and plant safety was not significantly degraded. Therefore, the event does not meet the criteria of 10CFR50.72(b)(3) and NextEra Energy Point Beach retracts Event Notification EN #48402.</br>The licensee notified the NRC Resident Inspector.</br>Notified the R3DO (Pelke).dent Inspector.
Notified the R3DO (Pelke). +
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100 +
00:00:00, 4 December 2012 +
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>.
22:23:40, 24 September 2017 +
11:29:00, 12 October 2012 +
Vince Klco + and Mary Sipiorski +
true +
false +
0.0896 d (2.15 hours, 0.0128 weeks, 0.00295 months) +
09:20:00, 12 October 2012 +
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.