Similar Documents at Perry |
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Category:Letter type:L
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L-23-057, Energy Harbor Nuclear Corp Retrospective Premium Guarantee2023-02-20020 February 2023
Energy Harbor Nuclear Corp Retrospective Premium Guarantee
L-23-017, Mid-Cycle Revisions to the Core Operating Limits Report for Operating Cycle 192023-01-31031 January 2023
Mid-Cycle Revisions to the Core Operating Limits Report for Operating Cycle 19
L-22-271, Emergency Plan2022-12-20020 December 2022
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L-22-272, Supplement to License Amendment Request to Revise the Methodology Used for Flood Hazard Analysis (EPID L-2021-LLA-0067) and Withdrawal of Exemption Requests (EPIDs L-2021-LLE-0022 and L-2021-LLE-0023)2022-12-16016 December 2022
Supplement to License Amendment Request to Revise the Methodology Used for Flood Hazard Analysis (EPID L-2021-LLA-0067) and Withdrawal of Exemption Requests (EPIDs L-2021-LLE-0022 and L-2021-LLE-0023)
L-22-263, Spent Fuel Storage Cask Registration2022-12-12012 December 2022
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L-22-254, Emergency Plan for Perry Nuclear Power Plant, Including EAL Matrix Revision 222022-11-18018 November 2022
Emergency Plan for Perry Nuclear Power Plant, Including EAL Matrix Revision 22
L-22-250, Mid-Cycle Revision to the Core Operating Limits Report for Operating Cycle 192022-11-0808 November 2022
Mid-Cycle Revision to the Core Operating Limits Report for Operating Cycle 19
L-22-221, Supplement to Application to Revise the Technical Specifications to Adopt TSTF-541, Add Exceptions to Surveillance Requirements for Valves and Dampers Locked in the Actuated Position2022-10-18018 October 2022
Supplement to Application to Revise the Technical Specifications to Adopt TSTF-541, Add Exceptions to Surveillance Requirements for Valves and Dampers Locked in the Actuated Position
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Submittal of Evacuation Time Estimates
L-22-050, Summary of Changes to the Energy Harbor Nuclear Corp. Quality Assurance Program Manual2022-08-0909 August 2022
Summary of Changes to the Energy Harbor Nuclear Corp. Quality Assurance Program Manual
L-20-239, Application to Revise the Technical Specifications to Adopt TSTF-541, Add Exceptions to Surveillance Requirements for Valves and Dampers Locked in the Actuated Position2022-08-0505 August 2022
Application to Revise the Technical Specifications to Adopt TSTF-541, Add Exceptions to Surveillance Requirements for Valves and Dampers Locked in the Actuated Position
L-22-171, Response to Request for Additional Information Regarding Proposed Inservice Inspection Alternative IR-0632022-07-14014 July 2022
Response to Request for Additional Information Regarding Proposed Inservice Inspection Alternative IR-063
L-22-099, Supplement to License Amendment Request to Revise the Methodology Used for Flood Hazard Analysis2022-06-0101 June 2022
Supplement to License Amendment Request to Revise the Methodology Used for Flood Hazard Analysis
2024-08-08
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~ harbor Perry Nuclear Power Plant 10 Center Road P.O. Box 97 Perry, Ohio 44081 Frank R. Payne 440-280-5382 Site Vice President, Perry Nuclear March 25, 2020 L-20-021 10 CFR 50.46 ATTN: Document Control Desk U.S. Nuclear Regulatory Commission Washington, DC 20555-0001
SUBJECT:
Perry Nuclear Power Plant Docket No. 50-440, License No. NPF-58 2019 Annual Report of Emergency Core Cooling System Errors and Model Changes Attached is the 2019 Annual Report of Emergency Core Cooling System Errors and Model Changes for the Perry Nuclear Power Plant (PNPP). Energy Harbor Nuclear Corp. is submitting this report to the Nuclear Regulatory Commission (NRC) in accordance with 10 CFR 50.46(a)(3)(ii).
In Operating Cycle 17, PNPP had a mixed core of GE14 and GNF2 fuel. During the refueling outage that ended in April 2019, PNPP went to a complete core of GNF2 fuel.
There are no regulatory commitments contained in this submittal. If there are any questions or if additional information is required, please contact Mr. Phil H. Lashley, Acting Manager - Nuclear Licensing and Regulatory Affairs, at (330) 315-6808.
Sincere!f\ ,, ( \
l,t~~
Frank R. Payne
Perry Nuclear Power Plant L-20-021 Page 2
Attachment:
2019 Annual Report of Emergency Core Cooling System Errors and Model Changes cc: NRC Region Ill Administrator NRC Resident Inspector NRC Project Manager
Attachment L-20-021 2019 Annual Report of Emergency Core Cooling System Errors and Model Changes Page 1 of 1 New Errors and Changes:
Change in an acceptable evaluation model or application of such model:
None.
Errors:
10 CFR 50.46 Notification 2019-05, SAFER Lower Limit on Differential Pressure for Bypass Leakage, was received on October 23, 2019. This notification is applicable to both GE14 and GNF2 fuel in use at Perry.
In Operating Cycle 17, PNPP had a mixed core of GE14 and GNF2 fuel. During the refueling outage that ended in April 2019, PNPP went to a complete core of GNF2 fuel.
The error in evaluation model (Notification 2019-05) was reported to the Nuclear Regulatory Commission (NRC) on November 19, 2019, (Accession No. ML19323F143).
Report Summary:
The changes to and errors in the PNPP emergency core cooling system (ECCS) evaluation model in 2019 are summarized in the following table:
Perry Nuclear Power Plant, Unit 1 GE14 fuel GNF2 fuel PCT or PCT PCT or PCT change change Licensing Basis PCT at BEGINNING of 1555°F 1630°F 2019 2019 Activity EM errors Notification 2019-05 0°F 0°F EM Changes None None None Licensing Basis PCT at END of 2019 1555°F 1610°F
