ENS 47431: Difference between revisions

v t e ENS Event
16:21 Nov 11, 2011
Title	Technical Support Center Inoperable Due to Planned Maintenance
Event Description	At 1021 hrs. (CST) on November 11, 2011, the Duane Arnold Energy Center (DAEC) Technical Support Center (TSC) Ventilation Fan 1VAC070 was removed from service for pre-planned maintenance. The expected duration of the maintenance is 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />. The backup plan is to relocate key TSC personnel to the Control Room where the Standby Filter Units protect personnel. This notification is being made pursuant to 10 CFR 50.72(b)(3)(xiii) due to a loss of emergency response facility. The licensee has notified the NRC Resident Inspector. * * UPDATE FROM HAN OLSON TO PETE SNYDER AT 1907 EST ON 11/11/11 * * * The TSC Ventilation Fan 1VAC070 has been returned to service and functionally tested so the TSC has been returned to service. The licensee notified the NRC Resident Inspector. Notified R3DO (Giessner).

ENS 47431 +/-
Where
Duane Arnold Iowa (NRC Region 3)
Reporting

10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness
Time - Person (Reporting Time:+-3.07 h-0.128 days <br />-0.0183 weeks <br />-0.00421 months <br />)
Opened:	Hans Olson 13:17 Nov 11, 2011
NRC Officer:	Howie Crouch
Last Updated:	Nov 11, 2011
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v • d • e

v t e Emergency Notification System
Duane Arnold with 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness
WEEKMONTHYEAR2018-07-11T05:00:00 [Table view]
[ENS list for Duane Arnold]

@@ Line 16: / Line 16: @@
 | event date = 11/11/2011 10:21 CST
 | last update date = 11/11/2011
-| title = Technical Support Center Inoperable Due To Planned Maintenance
+| title = Technical Support Center Inoperable Due to Planned Maintenance
 | event text = At 1021 hrs. (CST) on November 11, 2011, the Duane Arnold Energy Center (DAEC) Technical Support Center (TSC) Ventilation Fan 1VAC070 was removed from service for pre-planned maintenance. The expected duration of the maintenance is 6 hours. The backup plan is to relocate key TSC personnel to the Control Room where the Standby Filter Units protect personnel.
 This notification is being made pursuant to 10 CFR 50.72(b)(3)(xiii) due to a loss of emergency response facility.

Latest revision as of 22:05, 1 March 2018