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NRC Issues Event Notification for Hatch Nuclear Plant in Georgia

  • Jan 2, 2022
Targeted News Service

WASHINGTON, Dec. 30 -- The Nuclear Regulatory Commission issued the following event notification (No. 55679) involving Hatch Nuclear Plant, Georgia:


This following information was conveyed by the licensee via phone and email:

"At 1552 EST on 12/29/21, with Unit 1 in Mode 1 at 90 percent power, the reactor was manually tripped due to reactor pressure perturbations. The cause of the reactor pressure perturbations is under investigation. Additionally, closure of [containment isolation valves] CIVs in multiple systems occurred during the trip as a result of reaching the actuation setpoint on reactor water level. The trip was not complex, with all systems responding normally post-trip.

"Operations responded and stabilized the plant. Reactor water level is being maintained via condensate/feedwater. Decay heat is being removed by discharging steam to the main condenser using the turbine bypass valves. Unit 2 is not affected.

"Due to the Reactor Protection System actuation while critical, this event is being reported as a four-hour, non-emergency notification per 10 CFR 50.72(b)(2)(iv)(B). It is also reportable under 10 CFR 50.72(b)(3)(iv)(A) as an event that results in a valid actuation of CIVs.

"There was no impact on the health and safety of the public or plant personnel. The NRC Resident Inspector has been notified. "

Power Reactor

Event Number: 55679

Facility: Hatch

Region: 2

State: GA

Unit: [1] [] []

RX Type: [1] GE-4,[2] GE-4

NRC Notified By: Ron Wheeler

HQ OPS Officer: Karen Cotton-Gross

Notification Date: 12/29/2021

Notification Time: 19:16 [ET]

Event Date: 12/29/2021

Event Time: 15:52 [EST]

Last Update Date: 12/29/2021

Emergency Class: Non Emergency

10 CFR Section:

50.72(b)(2)(iv)(B) - RPS Actuation - Critical

50.72(b)(3)(iv)(A) - Valid Specif Sys Actuation

Person (Organization):

Miller, Mark (R2)

Table omitted:

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