Browse wiki

Jump to navigation Jump to search
100  +
At approximately 0600 CDT on April 7, 2014At approximately 0600 CDT on April 7, 2014, Units 1 and 2 Control Room Special Vent System (CRSVS) Boundary was declared inoperable when a Control Room door handle fell off. Air could be felt flowing through the hole, causing an opening in the Control Room Envelope (CRE) Boundary. An opening reduces the protection of the Control Room Envelope provided to the operators in the event of a Design Basis Accident. The CRSVS Boundary was declared Inoperable, which required entry into Technical Specifications (TS) LCO 3.7.10. Condition B, one or more CRSVS trains inoperable, in MODES 1, 2, 3, or 4. Actions were immediately initiated to implement mitigating actions. A Work Request (WR) was initiated to repair the door, and work is in progress to restore the Control Room Boundary to an operable condition.</br>This condition is reportable under 10CFR50.72(b)(3)(v)(C), Event or Condition that Could Have Prevented Fulfillment of a Safety Function. </br>The plant remains safe, and this condition does not pose any additional risk to the public. Additionally, our defense in depth strategies are relied upon to take actions to protect the health and safety of the public.</br>The licensee has notified the NRC Resident Inspector." </br>* * * RETRACTION ON 5/10/14 AT 2032 EDT FROM STEVE INGALLS TO DONG PARK * * *</br>Engineering evaluation has determined that the door would still fulfill its safety function of maintaining the integrity of the Control Room Envelope while the door handle was broken. The Control Room Special Vent System Boundary remained operable with the door handle off, therefore, there was no loss of safety function.</br>The licensee has notified the NRC Resident Inspector." </br>Notified R3DO (Riemer).dent Inspector." Notified R3DO (Riemer).  +
11:00:00, 7 April 2014  +
50,004  +
13:17:00, 7 April 2014  +
11:00:00, 7 April 2014  +
At approximately 0600 CDT on April 7, 2014At approximately 0600 CDT on April 7, 2014, Units 1 and 2 Control Room Special Vent System (CRSVS) Boundary was declared inoperable when a Control Room door handle fell off. Air could be felt flowing through the hole, causing an opening in the Control Room Envelope (CRE) Boundary. An opening reduces the protection of the Control Room Envelope provided to the operators in the event of a Design Basis Accident. The CRSVS Boundary was declared Inoperable, which required entry into Technical Specifications (TS) LCO 3.7.10. Condition B, one or more CRSVS trains inoperable, in MODES 1, 2, 3, or 4. Actions were immediately initiated to implement mitigating actions. A Work Request (WR) was initiated to repair the door, and work is in progress to restore the Control Room Boundary to an operable condition.</br>This condition is reportable under 10CFR50.72(b)(3)(v)(C), Event or Condition that Could Have Prevented Fulfillment of a Safety Function. </br>The plant remains safe, and this condition does not pose any additional risk to the public. Additionally, our defense in depth strategies are relied upon to take actions to protect the health and safety of the public.</br>The licensee has notified the NRC Resident Inspector." </br>* * * RETRACTION ON 5/10/14 AT 2032 EDT FROM STEVE INGALLS TO DONG PARK * * *</br>Engineering evaluation has determined that the door would still fulfill its safety function of maintaining the integrity of the Control Room Envelope while the door handle was broken. The Control Room Special Vent System Boundary remained operable with the door handle off, therefore, there was no loss of safety function.</br>The licensee has notified the NRC Resident Inspector." </br>Notified R3DO (Riemer).dent Inspector." Notified R3DO (Riemer).  +
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>.
100  +
00:00:00, 10 May 2014  +
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>.
22:20:09, 24 September 2017  +
13:17:00, 7 April 2014  +
false  +
0.095 d (2.28 hours, 0.0136 weeks, 0.00312 months)  +
true  +
11:00:00, 7 April 2014  +
Control Room Special Vent Boundary Inoperable  +
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.
1  +  and 2  +