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NRC Issues Event Notification for Cook Nuclear Plant, Mich.

  • Aug 30, 2022
  • 207 views
Source: 
Targeted News Service

WASHINGTON, Aug. 30 -- The Nuclear Regulatory Commission issued the following event notification (No. 56076) involving Cook Nuclear Plant, Michigan:

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AUTOMATIC REACTOR TRIP DUE TO REACTOR COOLANT PUMP TRIP

The following information was provided by the licensee via fax or email:

"On August 28, 2022 at 1348 EDT, DC Cook Unit 1 reactor automatically tripped due to a trip of the #13 Reactor Coolant Pump.

"This notification is being made in accordance with 10 CFR 50.72(b)(2)(iv)(B), Reactor Protection System (RPS) actuation as a four (4) hour report, and under 10 CFR 50.72(b)(3)(iv)(A), specified system actuation of the Auxiliary Feedwater System, as an eight (8) hour report. The DC Cook Resident NRC Inspector has been notified.

"Unit 1 is being supplied by offsite power. All control rods fully inserted. All Auxiliary Feedwater Pumps started properly. Decay heat is being removed via the Steam Dump System. Preliminary evaluation indicates all plant systems functioned normally following the Reactor Trip. DC Cook Unit 1 remains stable in Mode 3 while conducting the Post Trip Review. No radioactive release is in progress as a result of this event.

"Unit 2 remains stable at 100% power / Mode 1."

Power Reactor

Event Number: 56076

Facility: Cook

Region: 3

State: MI

Unit: [1] [] []

RX Type: [1] W-4-LP,[2] W-4-LP

NRC Notified By: John Whitten

HQ OPS Officer: Bethany Cecere

Notification Date: 08/28/2022

Notification Time: 15:41 [ET]

Event Date: 08/28/2022

Event Time: 13:48 [EDT]

Last Update Date: 08/28/2022

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):

Pelke, Patricia (R3DO)

Table omitted: https://www.nrc.gov/reading-rm/doc-collections/event-status/event/2022/2...

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Original text here: https://www.nrc.gov/reading-rm/doc-collections/event-status/event/2022/2...

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