ML22131A211

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Ile ES-401-4
ML22131A211
Person / Time
Site: Davis Besse Cleveland Electric icon.png
Issue date: 02/24/2022
From: Chuck Zoia
NRC/RGN-III/DRS/OLB
To:
Energy Harbor Corp, FirstEnergy Nuclear Operating Co
Zoia C
Shared Package
ML20140A262 List:
References
L-22-061
Download: ML22131A211 (1)


Text

NUREG-1021, Revision 11 ES-401 Record of Rejected K/As Form ES-401-4 Facility: Davis Besse Nuclear Power Station Date of Exam 2/7/2022 to 2/18/2022 Tier /

Group Randomly Selected K/A Reason for Rejection Tier 2/Group 1 (RO) 026 A1.03 Q. 41 026 Containment Spray System (CSS)

A1 Ability to predict and/or monitor changes in parameters (to prevent exceeding design limits) associated with operating the CSS controls including:

(CFR: 41.5 / 45.5)

A1.03 Containment sump level, IR 3.5 KA 026 A1.03 is not applicable to Davis-Besse. There are no CSS controls associated with Containment sump level.

Following Discussion with Chief Examiner:

Maintained system (026) and ability (A1). Replaced topic A1.03 Containment sump level, IR 3.5 with A1.01 Containment Pressure, IR 3.9.

Tier 2/Group 2 (RO) 075 A2.01 Q. 65 075 Circulating Water System A2 Ability to (a) predict the impacts of the following malfunctions or operations on the circulating water system; and (b) based on those predictions, use procedures to correct, control, or mitigate the consequences of those malfunctions or operations:

(CFR: 41.5 / 43.5 / 45.3 / 45.13)

A2.01 Loss of intake structure, IR 3.0 KA 075 A2.01 is not applicable to Davis-Besse. The Circ Water Pumps do not take suction from the intake structure.

Following Discussion with Chief Examiner:

Maintained system (075) and ability (A2). Replaced topic A2.01 Loss of intake structure, IR 3.0 with A2.02 Loss of circulating water pumps, IR 2.5.