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ENS 42976
Show incoming properties 
Category
ENS Notification  and Power Reactor
CFR
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident +  and 10 CFR 50.72#b3vD +
Current power
85  +  and 0  +
Current reactor mode
Power Operation +  and Refueling +
Description
At 22:54 hours on November 8, 2006, the B … At 22:54 hours on November 8, 2006, the B Control Room HVAC Refrigeration and Condensing Unit (RCU) failed to maintain proper Control Room temperature and cycling excessively. The RCU is a single train system and therefore is reportable per 10CFR50.72(b)(3)(v)(D). The RCU is required to operate during a design basis accident to maintain Main Control Room habitability/temperature. The Air Filtration Unit (AFU) of CREVS remains operable. This places unit 2 in a 30 day LCORA per Tech Spec 3.7.5 Required Action A.1.</br>The licensee notified the NRC Resident Inspector.ensee notified the NRC Resident Inspector.  +
Discovered date
04:54:00, 9 November 2006  +
ENS id number
42,976  +
Emergency class
Non Emergency +
Entered date
04:33:00, 9 November 2006  +
Event date
04:54:00, 9 November 2006  +
Event description
At 22:54 hours on November 8, 2006, the B … At 22:54 hours on November 8, 2006, the B Control Room HVAC Refrigeration and Condensing Unit (RCU) failed to maintain proper Control Room temperature and cycling excessively. The RCU is a single train system and therefore is reportable per 10CFR50.72(b)(3)(v)(D). The RCU is required to operate during a design basis accident to maintain Main Control Room habitability/temperature. The Air Filtration Unit (AFU) of CREVS remains operable. This places unit 2 in a 30 day LCORA per Tech Spec 3.7.5 Required Action A.1.</br>The licensee notified the NRC Resident Inspector.ensee notified the NRC Resident Inspector.  +
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ENS 42976 +, ENS 42976 +, ENS 42976 +, ENS 42976 +, ENS 42976 +, ENS 42976 +, ENS 42976 +, ENS 42976 +, ENS 42976 +, ENS 42976 +, ENS 42976 +, ENS 42976 +, ENS 42976 +  and ENS 42976 +
Initial power
85  +  and 0  +
Initial reactor mode
Power Operation +  and Refueling +
Last update date
00:00:00, 9 November 2006  +
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>.
02:17:42, 2 March 2018  +
NRC officer
Mike Ripley +
Notification date
04:33:00, 9 November 2006  +
Originated by
Bruce Franzen +
Reactor critical
false  +  and true  +
Reactor scram
false  +
Reactor type
GE-3 +
Region
NRC Region 3 +
Reporting criterion
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident +
Reporting time
-0.0146 d (-0.35 hours, -0.00208 weeks, -4.7943e-4 months)  +
Site
Dresden +
Start date
04:54:00, 9 November 2006  +
State
Illinois +
System
HVAC +
TS
TS-3.7.5 +
Title
Failure of Control Room Hvac to Maintain Control Room Temperature  +
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.
http://www.nrc.gov/reading-rm/doc-collections/event-status/event/2006/20061110en.html#en42976  +
Unit
2  +  and 3  +
 
Retrieved from "https://kanterella.com/Special:Browse/:ENS-2042976"