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This is an 8-hour notification to report a … This is an 8-hour notification to report a valid ESF signal to start the 1A Emergency Diesel Generator that occurred on 11/5/08 at 0057. Salem Unit 1 is in Mode 5, with core cooling being provided by 12 RHR pump. The Reactor Coolant System is being maintained at 173 F and 315 PSIG with a pressurizer level of 35 percent. The operating crew was performing a load shed surveillance test for a single component IAW test plan. The test plan used the Safeguards Equipment Cabinet (SEC) test pushbuttons to verify the equipment's response to a load shed signal. When the 1A SEC test pushbutton was actuated in addition to testing the single component it opened the in-feed breaker to the 1A 4KV vital bus and the bus was de-energized and loaded in blackout conditions. All equipment functioned as designed and core cooling was unaffected and remained in-service from 12 RHR pump powered from 1B 4KV bus. Investigation revealed the test plan did not take into account all components operated by the test pushbutton and the test pushbutton operated as designed. The 1A 4KV vital bus was restored to off-site power and the 1A EDG was restored to a standby condition. There were no personnel injured during the event.</br>The NRC Resident Inspector has been notified.</br>LAC Township was notified by the licensee.</br>Notified R1DO (Caruso).d by the licensee.
Notified R1DO (Caruso). +
05:57:00, 5 November 2008 +
44,629 +
05:44:00, 5 November 2008 +
05:57:00, 5 November 2008 +
This is an 8-hour notification to report a … This is an 8-hour notification to report a valid ESF signal to start the 1A Emergency Diesel Generator that occurred on 11/5/08 at 0057. Salem Unit 1 is in Mode 5, with core cooling being provided by 12 RHR pump. The Reactor Coolant System is being maintained at 173 F and 315 PSIG with a pressurizer level of 35 percent. The operating crew was performing a load shed surveillance test for a single component IAW test plan. The test plan used the Safeguards Equipment Cabinet (SEC) test pushbuttons to verify the equipment's response to a load shed signal. When the 1A SEC test pushbutton was actuated in addition to testing the single component it opened the in-feed breaker to the 1A 4KV vital bus and the bus was de-energized and loaded in blackout conditions. All equipment functioned as designed and core cooling was unaffected and remained in-service from 12 RHR pump powered from 1B 4KV bus. Investigation revealed the test plan did not take into account all components operated by the test pushbutton and the test pushbutton operated as designed. The 1A 4KV vital bus was restored to off-site power and the 1A EDG was restored to a standby condition. There were no personnel injured during the event.</br>The NRC Resident Inspector has been notified.</br>LAC Township was notified by the licensee.</br>Notified R1DO (Caruso).d by the licensee.
Notified R1DO (Caruso). +
Has query"Has query" is a predefined property that represents meta information (in form of a <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Subobject">subobject</a>) about individual queries and is provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a>.
00:00:00, 5 November 2008 +
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>.
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05:57:00, 5 November 2008 +
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.