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During a walkdown for the Fire Penetration … During a walkdown for the Fire Penetration Seal Project a degraded fire barrier was identified in the wall between the Unit 1 and Unit 2 Normal 480V Switchgear Rooms. The wall is listed as an Appendix R wall between Fire Area (FA) 37 and FA 38. The wall separates redundant safe shutdown cables.</br>There is a 2 inch gap where the top of the wall meets the ceiling. The gap is filled with combustible foam - some loose and some stationary. This has been identified as a missing fire barrier such that the required degree of separation for redundant safe shutdown trains is lacking.</br>A fire watch has been established as a compensatory measure and will remain in place until the fire barrier is repaired.</br>The discovery of this non-compliance is being reported as an unanalyzed condition as defined by 10CFR50.72(b)(3)(ii)(B).</br>The licensee has notified the NRC Resident Inspector of this event.</br>* * * RETRACTION ON 11/15/2010 AT 1328 EST FROM STEPHEN SEILHYMER TO MARK ABRAMOVITZ * * *</br>An eight hour report per 10 CFR 50.72(b)(3)(ii)(B) was conservatively reported on October 7, 2010 for a degraded fire barrier between Fire Area (FA) 37 and FA 38. Subsequent engineering analysis determined that the degraded fire barrier maintained the required degree of separation for redundant safe shutdown trains and plant safety was not significantly degraded. The 10 CFR 50.72(b)(3)(ii)(B) report is retracted.</br>The NRC Resident (Inspector) has been informed.</br>Notified the R3DO (Cameron).een informed.
Notified the R3DO (Cameron). +
18:52:00, 7 October 2010 +
46,318 +
21:06:00, 7 October 2010 +
18:52:00, 7 October 2010 +
During a walkdown for the Fire Penetration … During a walkdown for the Fire Penetration Seal Project a degraded fire barrier was identified in the wall between the Unit 1 and Unit 2 Normal 480V Switchgear Rooms. The wall is listed as an Appendix R wall between Fire Area (FA) 37 and FA 38. The wall separates redundant safe shutdown cables.</br>There is a 2 inch gap where the top of the wall meets the ceiling. The gap is filled with combustible foam - some loose and some stationary. This has been identified as a missing fire barrier such that the required degree of separation for redundant safe shutdown trains is lacking.</br>A fire watch has been established as a compensatory measure and will remain in place until the fire barrier is repaired.</br>The discovery of this non-compliance is being reported as an unanalyzed condition as defined by 10CFR50.72(b)(3)(ii)(B).</br>The licensee has notified the NRC Resident Inspector of this event.</br>* * * RETRACTION ON 11/15/2010 AT 1328 EST FROM STEPHEN SEILHYMER TO MARK ABRAMOVITZ * * *</br>An eight hour report per 10 CFR 50.72(b)(3)(ii)(B) was conservatively reported on October 7, 2010 for a degraded fire barrier between Fire Area (FA) 37 and FA 38. Subsequent engineering analysis determined that the degraded fire barrier maintained the required degree of separation for redundant safe shutdown trains and plant safety was not significantly degraded. The 10 CFR 50.72(b)(3)(ii)(B) report is retracted.</br>The NRC Resident (Inspector) has been informed.</br>Notified the R3DO (Cameron).een informed.
Notified the R3DO (Cameron). +
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00:00:00, 15 November 2010 +
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