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Emergency @ Waterford-3 Nuclear Plant Officially Over

Totality 🇺🇦 🇮🇱

Totality 🇺🇦 🇮🇱

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NuclearID68
⚠️EMERGENCY DECLARED⚠️
EN Revision Imported Date: 8/31/2021

EN Revision Text: NOTIFICATION OF UNUSUAL EVENT DUE TO LOSS OF OFFSITE POWER

Waterford 3 shut down the reactor in preparation for Hurricane Ida landfall prior to this event.

At 1812 CDT, Waterford 3 declared a notification of unusual event under EAL S.U. 1.1 due to a loss of offsite power as a result of hurricane Ida. Plant power is being provided via emergency diesel generators. The NRC Activated at 2016 EDT with Region IV in the lead.
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EN Revision Imported Date: 8/31/2021

EN Revision Text: SAFETY SYSTEM ACTUATION

"At 1804 CDT on 8/29/2021, Waterford 3 Steam Electric Station (WF3) experienced a Loss of Off Site Power event due to Hurricane Ida. This event caused an automatic actuation of Emergency Diesel Generators Trains A and B. Both Emergency Diesel Generators started as designed and both are currently operating normally supplying power to their respective Class 1E Safety Busses. This automatic actuation is reportable in accordance with 10 CFR 50.72(b)(3)(iv)(A). Prior to the loss of offsite power, WF3 was in progress of performing a plant cooldown in accordance with procedural guidance. As part of this cooldown and after entering Mode 4, all Safety Injection Tanks were isolated. As a result of losing offsite power, Reactor Coolant System Temperature increased above 350F which is above the temperature requirements for Mode 4. Safety Injection Tanks are required to be unisolated and OPERABLE in Mode 3. Therefore, with no Safety Injection Tanks OPERABLE, this constituted an event or condition that could have prevented the fulfillment of a safety function and the unit entered Technical Specification 3.0.3. The unit was in Technical Specification 3.0.3 for approximately 43 minutes from 1805 CDT until 1848 CDT when Mode 4 conditions were re-established. This event or condition that could have prevented the fulfillment of a Safety Function is reportable in accordance with 10 CFR 50.72(b)(3)(v)(D).

"While continuing to perform the Reactor Coolant System Cooldown and prior to placing Shutdown Cooling Train in service, it became necessary to start one train of Emergency Feedwater. Emergency Feedwater Train A was manually started at 1847 CDT to feed the Steam Generators and was secured at 1947 CDT. Emergency Feedwater Train A started and operated normally during this period. This manual actuation is reportable in accordance with 10 CFR 50.72(b)(3)(iv)(A)."

The licensee notified the NRC Resident Inspector.
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@DEFCON Warning System @RiffRaff

NRC activated as of 08:16 PM Today.

Current Event Notification Report<--Link​

www.nrc.gov
www.nrc.gov

Emergency Declared – Waterford 3 Nuclear Power Station in Louisiana – Investment Watch
 
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I know. Though no one should let their guard down. Anything happens to those generators could lead to some big trouble, that is why NRC is now activated.

Also whenever the NRC is activated it should be taken on a serious note. It means room for disaster is there. Otherwise they would not of been activated.
 
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DarkNoon said:
Also whenever the NRC is activated it should be taken on a serious note. It means room for disaster is there. Otherwise they would not of been activated.
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It's not an "activation". That word carries the inference that the NRC now is doing something in response.

It's just a notification. Maybe the "NRC Resident Inspector" will come and take a look and file a report. But beyond that, nothing.
 
DEFCON Warning System said:
It's not an "activation". Maybe the "NRC Resident Inspector" will come and take a look and file a report. But beyond that, nothing.
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With respect DWSD the NRC are saying it's more than that:
"The NRC Activated at 2016 EDT with Region IV in the lead." <--Link -NRC
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I'm not saying panic at all. But for any technical problem no matter how minor is big issue regarding nuclear power plants. If the NRC jumps in anyway we should pay attention closer.
 
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