|
|---|
Category:Letter
MONTHYEARML24178A0642024-06-20020 June 2024
Submittal of Periodic Reports, First Half 2024
ML24043A2272024-02-12012 February 2024
Report of 10 CFR 50.46 Emergency Core Cooling System (ECCS) Model Changes
ML23170A0162023-06-16016 June 2023
Submittal of Periodic Reports First Half 2023
ML23047A3292023-02-15015 February 2023
Report of 10 CFR 50.46 Emergency Core Cooling System (ECCS) Model Changes
ML22055A5922022-02-24024 February 2022
Report of 10 CFR 50.46 Emergency Core Cooling System (ECCS) Model Changes
ML21168A3692021-06-17017 June 2021
Submittal of Periodic Reports First Half 2021
ML21053A3932021-02-22022 February 2021
Report of 10 CFR 50.46 Emergency Core Cooling System Model Changes
ML20352A3532020-12-17017 December 2020
Submission of Periodic Report Second Half 2020
ML19350A6422019-12-16016 December 2019
Submission of Periodic Reports
ML19330F3142019-11-25025 November 2019
Report of 10 CFR 50.46 Emergency Core Cooling System Model Changes
ML19189A0862019-06-27027 June 2019
Submission of Periodic Reports
ML18354A7312018-12-14014 December 2018
Amendment to Indemnity Agreement No. B-80 Amendment No. 9
ML18338A1012018-11-22022 November 2018
COL Application - Confirmation of Payment
ML18310A0962018-11-0101 November 2018
Correspondence Distribution List Update
ML18310A4102018-11-0101 November 2018
LTR-18-0434 B. L. Stanley, Director, Nuclear Regulatory Affairs, Dominion Energy Services, Inc., Letter Updates to the Applicable NRC Service Lists Re Docketed Correspondence for Kewaunee, Millstone, North Anna, Surry Power Stations to Refl
ML18228A6822018-10-0303 October 2018
Virginia Power - Refund Notification Letter
ML18225A0202018-08-29029 August 2018
ISFSI; North Anna 1 & 2 Isfsls, and Unit 3; Surry Power 1 & 2, and Isfsls); Dominion Energy Kewaunee, Inc. (Kewaunee Power Station and Isfsi): Request for Threshold Determination Under 10 CFR 50.80
ML18240A1332018-08-17017 August 2018
Virginia Electric & Power Company (Dominion Energy Virginia) North Anna COL Application, Confirmation of Payment
ML18151A5282018-06-0707 June 2018
Errata - North Anna Power Station, Units 1, 2, and 3 - Amendment No. 9 to Indemnity Agreement No. B-80
ML18159A0322018-06-0101 June 2018
Submission of Periodic Reports
ML18053A1302018-02-12012 February 2018
Report of 10 CFR 50.46 Emergency Core Cooling System Model Changes
ML18036A2152018-01-31031 January 2018
ISFSI, North Anna, Units 1, 2 and 3, ISFSI, Surry, Units 1 and 2, ISFSI, Kewaunee, and ISFSI - Request for Threshold Determination Under 10 C.F.R. 50.80
ML18025B4852018-01-16016 January 2018
Isfsis, Surry, Units 1 and 2, and ISFSIs - Submittal of Proposed Consolidated Emergency Operations Facility
ML17356A0982017-12-14014 December 2017
Submittal of Periodic Reports
ML14245A3862014-08-29029 August 2014
NRDC V. NRC Et. Al., No. 13-1311 (Scheduled Oral Argument November. 21, 2014)
ML1030601022010-10-29029 October 2010
Notification of Potential Part 21 Transfer of Information Concerning Control Components Inc. (CCI) Drag Valves
2024-06-20
[Table view]
Category:Operating Report
MONTHYEARML23047A3292023-02-15015 February 2023
Report of 10 CFR 50.46 Emergency Core Cooling System (ECCS) Model Changes
ML22055A5922022-02-24024 February 2022
Report of 10 CFR 50.46 Emergency Core Cooling System (ECCS) Model Changes
2023-02-15
[Table view] |
Text
Serial No. NA3-23-001 Docket No.52-017
Attachment 1
2022 ANNUAL REPORT OF EMERGENCY CORE COOLING SYSTEM (ECCS)
MODEL CHANGES PURSUANT TO THE REQUIREMENTS OF 10 CFR 50.46
REPORT OF CHANGES IN GEH ECCS EVALUATION MODEL
VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA UNIT 3 Serial No. NA3-23-001 Docket No.52-017 Attachment 1, Page 1 of 1
REPORT OF CHANGES IN GEH ECCS EVALUATION MODEL North Anna Unit 3
General Electric Hitachi Nuclear Energy (GEH) identified no changes or errors applicable to the ECCS Loss of Coolant Accident (LOCA) TRACG Evaluation Model for North Anna Unit 3 during 2022.
Serial No. NA3-23-001 Docket No.52-017
Attachment 2
2022 ANNUAL REPORT OF EMERGENCY CORE COOLING SYSTEM (ECCS)
MODEL CHANGES PURSUANT TO THE REQUIREMENTS OF 10 CFR 50.46
2022 ANNUAL REPORTING OF 10 CFR 50.46 MARGIN UTILIZATION
VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA UNIT 3 Serial No. NA3-23-001 Docket No.52-017 Attachment 2, Page 1 of 1
Report of Changes in GEH ECCS Evaluation Model
Plant Name North Anna Unit 3 (Docket 52-017)
Utility Name Virginia Electric and Power Company
Reporting Year: 2022*
Evaluation Model: TRACG Vendor: GE Hitachi LBPCT Net PCT Absolute Effect PCT Effect Analysis of Record Licensing Basis PCT 600°F (LBPCT), with prior updates I. Prior 10 CFR 50.46 Changes or Error Corrections 2019 TRACG Channel Inlet PCT = + 0°F + 0°F Subcooling Calculation 2019 TRACG Radiation Heat PCT = + 0°F + 0°F Transfer Calculation 2017 Fuel Rod Plenum PCT = + 0°F + 0°F Temperature Update 2021 Non-condensable Gas PCT = + 0°F + 0°F Error in Zero Cell Side Branch
II. 10 CFR 50.46 Changes or Error Corrections for 2022 None PCT = + 0°F + 0°F
Sum of 10 CFR 50.46 Changes PCT = + 0°F + 0°F Projected LBPCT based on these 600°F changes
- The reporting period is 08/30/2021 through 09/30/2022.