ENS 55002: Difference between revisions
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| utype = GE-6 | | utype = GE-6 | ||
| cfr = 10 CFR 50.72(b)(3)(v)(D) | | cfr = 10 CFR 50.72(b)(3)(v)(D) | ||
| emergency class = | | emergency class = Non Emergency | ||
| notification date = 11/17/2020 03:40 | | notification date = 11/17/2020 03:40 | ||
| notification by = James Forman | | notification by = James Forman | ||
| Line 16: | Line 16: | ||
| event date = 11/16/2020 19:18 CST | | event date = 11/16/2020 19:18 CST | ||
| last update date = 11/24/2020 | | last update date = 11/24/2020 | ||
| title = | | title = Both Trains of Main Control Room Ventilation and Air Conditioning Systems Inoperable | ||
| event text = | | event text = At 1918 CST on 11/16/2020, it was discovered both required trains of the Main Control Room Ventilation and Air Conditioning systems were simultaneously inoperable. Due to these inoperabilities, the systems were in a condition that could have prevented the fulfillment of a safety function; therefore, this condition is being reported as an eight-hour, non-emergency notification per 10 CFR 50.72(b)(3)(v). | ||
At 1918 CST on 11/16/2020, it was discovered both required trains of the Main Control Room Ventilation and Air Conditioning systems were simultaneously inoperable. Due to these inoperabilities, the systems were in a condition that could have prevented the fulfillment of a safety function; therefore, this condition is being reported as an eight-hour, non-emergency notification per 10 CFR 50.72(b)(3)(v). | |||
Subsequent post-maintenance testing demonstrated that the Division 1 Main Control Room Ventilation system was available at the time of the event and was restored to operable status at 2036 CST on 11/16/2020. | Subsequent post-maintenance testing demonstrated that the Division 1 Main Control Room Ventilation system was available at the time of the event and was restored to operable status at 2036 CST on 11/16/2020. | ||
There was no impact on the health and safety of the public or plant personnel. | There was no impact on the health and safety of the public or plant personnel. | ||
| Line 24: | Line 23: | ||
| URL = https://www.nrc.gov/reading-rm/doc-collections/event-status/event/2020/20201125en.html#en55002 | | URL = https://www.nrc.gov/reading-rm/doc-collections/event-status/event/2020/20201125en.html#en55002 | ||
}}{{unit info | }}{{unit info | ||
| Unit = | | Unit = 1 | ||
| type = | | type = GE-6 | ||
| Scram code = | | Scram code = N | ||
| Reactor critical = | | Reactor critical = Y | ||
| Initial power = | | Initial power = 98 | ||
| Initial reactor mode = | | Initial reactor mode = Power Operation | ||
| Current power = | | Current power = 98 | ||
| Current reactor mode = | | Current reactor mode = Power Operation | ||
}} | }} | ||
{{ENS-Nav}}[[Category:Power Reactor]] | {{ENS-Nav}}[[Category:Power Reactor]] | ||
Latest revision as of 11:10, 15 January 2021
| Where | |
|---|---|
Clinton  Illinois (NRC Region 3) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident | |
| LER: | 05000461/LER-2020-002 Simultaneous Lnoperability of Main Control Room Ventilation Subsystems a and B |
| Time - Person (Reporting Time:+2.37 h0.0988 days <br />0.0141 weeks <br />0.00325 months <br />) | |
| Opened: | James Forman 03:40 Nov 17, 2020 |
| NRC Officer: | Brian Lin |
| Last Updated: | Nov 24, 2020 |
| 55002 - NRC Website
| |
Clinton with 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident | |