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Unit 2 HPCI was declared inoperable during … Unit 2 HPCI was declared inoperable during the performance of a scheduled surveillance test. HPCI failed to develop the required discharge pressure to meet its design function." Reactor Core Isolation Cooling (RCIC) is available. The licensee notified the NRC Resident Inspector.</br>* * * UPDATE FROM DAVE FOSS TO JOHN KNOKE AT 0954 ON 06/17/08 * * *</br>The purpose of this notification is to retract a previous report made on 6/12/08 at 0549 hours (EN# 44290). On 6/12/08, the High Pressure Coolant Injection (HPCI) system was declared inoperable as a result of the performance of a routine Surveillance Test (ST). During the ST, the HPCI pump discharge pressure did not achieve the acceptance criteria of greater than or equal to 1258 psig. The highest indicated pressure achieved during the ST was approximately 1230 psig. Therefore, notification of this issue to the NRC on 6/12/08 as a loss of the HPCI safety function was initially made as a result of the belief that the HPCI system was inoperable due to inadequate discharge pressure. HPCI was maintained in an available status as troubleshooting began. </br>During subsequent troubleshooting on 6/12/08, it was determined that the Main Control Room HPCI discharge pressure indicator (i.e., the pressure indicator used during the ST) was reading approximately 65 psig low. Therefore, the pressure indicator used during the ST indicated a low value for discharge pressure. Based on this, the actual HPCI discharge pressure during the ST was acceptable. The pressure indicator was recalibrated and the HPCI ST was re-performed successfully. HPCI was declared operable by 1805 hours on 6/12/08. </br>Based on the above, there were no unplanned loss of the safety function for the HPCI system. Therefore, the initial ENS notification is being retracted. " </br>Licensee has notified NRC Resident Inspector. Notified R1DO (Schmidt)sident Inspector. Notified R1DO (Schmidt) +
04:40:00, 12 June 2008 +
44,290 +
05:48:00, 12 June 2008 +
04:40:00, 12 June 2008 +
Unit 2 HPCI was declared inoperable during … Unit 2 HPCI was declared inoperable during the performance of a scheduled surveillance test. HPCI failed to develop the required discharge pressure to meet its design function." Reactor Core Isolation Cooling (RCIC) is available. The licensee notified the NRC Resident Inspector.</br>* * * UPDATE FROM DAVE FOSS TO JOHN KNOKE AT 0954 ON 06/17/08 * * *</br>The purpose of this notification is to retract a previous report made on 6/12/08 at 0549 hours (EN# 44290). On 6/12/08, the High Pressure Coolant Injection (HPCI) system was declared inoperable as a result of the performance of a routine Surveillance Test (ST). During the ST, the HPCI pump discharge pressure did not achieve the acceptance criteria of greater than or equal to 1258 psig. The highest indicated pressure achieved during the ST was approximately 1230 psig. Therefore, notification of this issue to the NRC on 6/12/08 as a loss of the HPCI safety function was initially made as a result of the belief that the HPCI system was inoperable due to inadequate discharge pressure. HPCI was maintained in an available status as troubleshooting began. </br>During subsequent troubleshooting on 6/12/08, it was determined that the Main Control Room HPCI discharge pressure indicator (i.e., the pressure indicator used during the ST) was reading approximately 65 psig low. Therefore, the pressure indicator used during the ST indicated a low value for discharge pressure. Based on this, the actual HPCI discharge pressure during the ST was acceptable. The pressure indicator was recalibrated and the HPCI ST was re-performed successfully. HPCI was declared operable by 1805 hours on 6/12/08. </br>Based on the above, there were no unplanned loss of the safety function for the HPCI system. Therefore, the initial ENS notification is being retracted. " </br>Licensee has notified NRC Resident Inspector. Notified R1DO (Schmidt)sident Inspector. Notified R1DO (Schmidt) +
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100 +
00:00:00, 17 June 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>.
22:34:23, 24 September 2017 +
05:48:00, 12 June 2008 +
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0.0471 d (1.13 hours, 0.00673 weeks, 0.00155 months) +
04:40:00, 12 June 2008 +
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