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On July 17, 2012, at 1120 hours the Contro … On July 17, 2012, at 1120 hours the Control Room Emergency Ventilation Air Conditioning (CREV AC) system was declared inoperable due to a cooling water leak from the condenser on the Refrigeration Compressor Unit (RCU). The leakage originates from an apparent gasket leak at a bolted connection on the condenser. As a result, Technical Specification 3.7.5, Condition A, was entered. A repair plan and schedule is being developed.</br>The CREV AC system maintains a habitable control room environment and ensures the operability of components in the control room emergency zone during accident conditions.</br>This notification is being made in accordance with 10 CFR 50.72(b)(3)(v)(D) because the CREV system is a single train system, and loss of the CREV AC could impact the plant's ability to mitigate the consequences of an accident.</br>The licensee has notified the NRC Resident Inspector.</br>* * * UPDATE AT 1317 EDT ON 09/10/12 FROM DEREK DROCKELMAN TO S. SANDIN * * * </br>The licensee is retracting this report based on the following:</br>The purpose of this notification is to retract the ENS Report made on July 17, 2012, at 1120 hours (ENS Report # 48114).</br>Further evaluation performed by Quad Cities Station confirms the CREV AC system would have performed its safety function.</br>Based on this subsequent evaluation, ENS Report # 48114 is being retracted.</br>Note: On July 18, 2012, the CREV AC system was successfully repaired and CREV AC system was returned to Operable status.</br>The licensee informed the NRC Resident Inspector. Notified R3DO (Giessner).dent Inspector. Notified R3DO (Giessner). +
16:20:00, 17 July 2012 +
17:36:00, 17 July 2012 +
16:20:00, 17 July 2012 +
On July 17, 2012, at 1120 hours the Contro … On July 17, 2012, at 1120 hours the Control Room Emergency Ventilation Air Conditioning (CREV AC) system was declared inoperable due to a cooling water leak from the condenser on the Refrigeration Compressor Unit (RCU). The leakage originates from an apparent gasket leak at a bolted connection on the condenser. As a result, Technical Specification 3.7.5, Condition A, was entered. A repair plan and schedule is being developed.</br>The CREV AC system maintains a habitable control room environment and ensures the operability of components in the control room emergency zone during accident conditions.</br>This notification is being made in accordance with 10 CFR 50.72(b)(3)(v)(D) because the CREV system is a single train system, and loss of the CREV AC could impact the plant's ability to mitigate the consequences of an accident.</br>The licensee has notified the NRC Resident Inspector.</br>* * * UPDATE AT 1317 EDT ON 09/10/12 FROM DEREK DROCKELMAN TO S. SANDIN * * * </br>The licensee is retracting this report based on the following:</br>The purpose of this notification is to retract the ENS Report made on July 17, 2012, at 1120 hours (ENS Report # 48114).</br>Further evaluation performed by Quad Cities Station confirms the CREV AC system would have performed its safety function.</br>Based on this subsequent evaluation, ENS Report # 48114 is being retracted.</br>Note: On July 18, 2012, the CREV AC system was successfully repaired and CREV AC system was returned to Operable status.</br>The licensee informed the NRC Resident Inspector. Notified R3DO (Giessner).dent Inspector. Notified R3DO (Giessner). +
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00:00:00, 10 September 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>.
22:24:21, 24 September 2017 +
17:36:00, 17 July 2012 +
true +
false +
0.0529 d (1.27 hours, 0.00756 weeks, 0.00174 months) +
16:20:00, 17 July 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.