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At 1014 hours on January 15, 2006, the fou … At 1014 hours on January 15, 2006, the four Unit 1 Electromatic Relief Valves (ERVs) were declared inoperable due to concerns related to the ERV actuators. These operability concerns originated from inspections and testing performed on the Unit 2 ERVs which indicate evidence of mechanical interference issues that could prevent proper ERV operation (note that Unit 2 was shutdown on January 14, 2006 to perform ERV actuator inspections). In accordance with Technical Specification 3.4.3, Condition B, 3.5.1 Condition H, and 3.6.1.6 Condition B, Unit 1 commenced a shutdown on January 15, 2006 at 1104 hours. </br>This notification is being made in accordance with 10 CFR 50.72(b)(2)(i) as commencement of any nuclear plant shutdown required by the plant's Technical Specifications.</br>During the upcoming Unit 1 outage, actuator inspections and ERV testing is planned to confirm the operational ability of the ERVs. Note that the Unit 1 Target Rock Relief Valve and the Main Steam Safety Valves are operable and available to support reactor overpressure protection.</br>The plant is conducting a normal shutdown per Tech Spec requirements. At 16:00 CST the unit will going off line and by 24:00 CST the plant is expected to be in Mode 4 (Cold Shutdown). </br>The licensee notified the NRC Resident Inspector.ensee notified the NRC Resident Inspector. +
17:04:00, 15 January 2006 +
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12:36:00, 15 January 2006 +
17:04:00, 15 January 2006 +
At 1014 hours on January 15, 2006, the fou … At 1014 hours on January 15, 2006, the four Unit 1 Electromatic Relief Valves (ERVs) were declared inoperable due to concerns related to the ERV actuators. These operability concerns originated from inspections and testing performed on the Unit 2 ERVs which indicate evidence of mechanical interference issues that could prevent proper ERV operation (note that Unit 2 was shutdown on January 14, 2006 to perform ERV actuator inspections). In accordance with Technical Specification 3.4.3, Condition B, 3.5.1 Condition H, and 3.6.1.6 Condition B, Unit 1 commenced a shutdown on January 15, 2006 at 1104 hours. </br>This notification is being made in accordance with 10 CFR 50.72(b)(2)(i) as commencement of any nuclear plant shutdown required by the plant's Technical Specifications.</br>During the upcoming Unit 1 outage, actuator inspections and ERV testing is planned to confirm the operational ability of the ERVs. Note that the Unit 1 Target Rock Relief Valve and the Main Steam Safety Valves are operable and available to support reactor overpressure protection.</br>The plant is conducting a normal shutdown per Tech Spec requirements. At 16:00 CST the unit will going off line and by 24:00 CST the plant is expected to be in Mode 4 (Cold Shutdown). </br>The licensee notified the NRC Resident Inspector.ensee notified the NRC Resident Inspector. +
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85 +
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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>.
02:19:34, 2 March 2018 +
12:36:00, 15 January 2006 +
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-0.186 d (-4.47 hours, -0.0266 weeks, -0.00612 months) +
17:04:00, 15 January 2006 +
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