ENS 52995

v t e ENS Event
15:00 Sep 27, 2017
Title	Accident Mitigation - Loss of Secondary Containment
Event Description	Security personnel reported to the Main Control Room that at time 1000 CDT [on 9/27/2017], an alarm indicated that a secondary containment door was open beyond the normal delay time allowed for entry and exit. Security personnel responded and found the door open and unattended with the dogs extended meaning that the door was unable to be closed. Security personnel secured the door at time 1004 CDT. No deficiencies were found with the door. The fact the door was open and unattended beyond the time allowed for normal entry and exit results in Technical Specification 3.6.4.1 'Secondary Containment-Operating,' not being met because surveillance requirement SR 3.6.4.1.3 is not met. This surveillance requires that doors be closed except during normal entry and exit. By definition in NUREG-1022, when Secondary Containment is inoperable, it is not capable of performing its specified safety function which in turn makes this condition reportable in accordance with 10 CFR 50.72(b)(3)(v)(D). The NRC Resident Inspector has been notified.

ENS 52995 +/-
Where
River Bend Louisiana (NRC Region 4)
Reporting

10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
Time - Person (Reporting Time:+-0.57 h-0.0238 days <br />-0.00339 weeks <br />-7.80786e-4 months <br />)
Opened:	Timothy Gates 14:26 Sep 27, 2017
NRC Officer:	Richard Smith
Last Updated:	Sep 27, 2017
52995 - NRC Website
v • d • e

v t e Emergency Notification System
River Bend with 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
WEEKMONTHYEAR2022-09-19T06:32:00 [Table view]
[ENS list for River Bend]

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