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Initiation
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MONTHYEARML21090A1852021-03-31031 March 2021 Request for License Amendment and Regulatory Exemptions for a Risk-Informed Approach to Address GSI-191 and Respond to GL 2004-02 (LDCN 19-0014) Project stage: Request ML21125A0452021-05-0404 May 2021 NRR E-mail Capture - LIC-109 Acceptance Review (Unacceptable for Review with Opportunity to Supplement) - Callaway Plant, Unit 1 - License Amendment Request - Final Resolution to Address Concerns of GSI-191 - EPID L-2021-LLA-0059 Project stage: Acceptance Review ML21130A5882021-05-11011 May 2021 Supplemental Information Needed for Acceptance of Requested Licensing Actions to Adopt a Risk-Informed Approach to Address GSI-191 and Respond to Generic Letter 2004 02 Project stage: Acceptance Review ULNRC-06664, Supplement to Request for License Amendment and Regulatory Exemptions for a Risk-Informed Approach to Address GSI-191 and Respond to GL 2004-02 (LDCN 19-0014)2021-05-27027 May 2021 Supplement to Request for License Amendment and Regulatory Exemptions for a Risk-Informed Approach to Address GSI-191 and Respond to GL 2004-02 (LDCN 19-0014) Project stage: Supplement ML21160A1482021-06-10010 June 2021 Acceptance of Requested Licensing Actions License Amendment and Regulatory Exemptions for a Risk Informed Approach to Address Generic Safety Issue 191 and Respond to Generic Letter 2004-02 Project stage: Acceptance Review ML21203A1922021-07-22022 July 2021 Request for License Amendment and Regulatory Exemptions for a Risk-Informed Approach to Address GSI-191 and Respond to GL-2004-02 (LDCN 19-0014) Project stage: Request ML21203A1932021-07-22022 July 2021 Request for License Amendment and Regulatory Exemptions for a Risk-Informed Approach to Address GSI-191 and Respond to GL-2004-02 (LDCN 19-0014) Project stage: Request ML21197A0632021-07-23023 July 2021 Audit Plan and Setup of Online Reference Portal for License Amendment Request Risk-Informed Approach for Closure of Generic Safety Issue-191 Project stage: Other ML21237A1352021-08-23023 August 2021 Amendment Request Regarding Risk-Informed Approach to Closure of Generic Safety Issue 191 Project stage: Request ML21237A1362021-08-23023 August 2021 Amendment Request Regarding Risk-Informed Approach to Closure of Generic Safety Issue 191 Project stage: Other ML21238A1382021-09-14014 September 2021 Audit Summary for License Amendment Request and Regulatory Exemptions for a Risk-Informed Approach to Address GSI-191 and Respond to GL 2004-02 Project stage: Other ML21280A3782021-10-0707 October 2021 Third Supplement to Request for License Amendment and Regulatory Exemptions for a Risk-Informed Approach to Address GSI-191 and Respond to GL-2004-02 (LDCN 19-0014) Project stage: Request ML21280A3792021-10-0707 October 2021 Third Supplement to Request for License Amendment and Regulatory Exemptions for a Risk-Informed Approach to Address GSI-191 and Respond to GL-2004-02 (LDCN 19-0014) Project stage: Supplement ML22027A8042022-01-27027 January 2022 Fourth (Post-Audit) Supplement to Request for License Amendment and Regulatory Exemptions for a Risk-Informed Approach to Address GSI-191 and Respond to GL 2004-02 (LDCN 19-0014) Project stage: Request ML22027A8052022-01-27027 January 2022 Fourth (Post-Audit) Supplement to Request for License Amendment and Regulatory Exemptions for a Risk-Informed Approach to Address GSI-191 and Respond to GL 2004-02 (LDCN 19-0014) Project stage: Supplement ULNRC-06721, Fifth (Post-Audit) Supplement Request for License Amendment and Regulatory Exemptions for a Risk-Informed Approach to Address GSI-191 and Respond to GL 2004-02 (LDCN 19-0014)2022-03-0808 March 2022 Fifth (Post-Audit) Supplement Request for License Amendment and Regulatory Exemptions for a Risk-Informed Approach to Address GSI-191 and Respond to GL 2004-02 (LDCN 19-0014) Project stage: Supplement ML22068A0292022-03-0808 March 2022 Response to Audit Question/Item 23 in NRC Letter Dated September 14, 2021 Project stage: Other ML22068A0272022-03-0808 March 2022 Fifth (Post-Audit) Supplement Request for License Amendment and Regulatory Exemptions for a Risk-Informed Approach to Address GSI-191 and Respond to GL 2004-02 (LDCN 19-0014) Project stage: Request ML22087A4022022-03-28028 March 2022 NRR E-mail Capture - Callaway - Draft RAIs - License Amendment and Regulatory Exemptions for a Risk-Informed Approach to Address Generic Safety Issue - 191 and Respond to Generic Letter 2004-02 (EPIDs L-2021-LLA-0059 and L-2021-LLE-0021) Project stage: Draft RAI ML22096A0232022-04-0505 April 2022 NRR E-mail Capture - Callaway Plant - Final RAIs - License Amendment and Regulatory Exemptions for a Risk-Informed Approach to Address Generic Safety Issue - 191 and Respond to GL 2004-02 (EPIDs L-2021-LLA-0059 and L-2021-LLE-0021) Project stage: RAI ML22146A3392022-05-26026 May 2022 Enclosure 1: Ameren Missouri Response to NRC RAIs Project stage: Response to RAI ML22146A3372022-05-26026 May 2022, 27 May 2022 Response to Request for Additional Information Regarding Request for License Amendment and Regulatory Exemptions for Risk-Informed Approach to Address GSI-191 and Respond to Generic Letter 2004-02 (LDCN 19-0014) Project stage: Request ULNRC-06735, Response to Request for Additional Information Regarding Request for License Amendment and Regulatory Exemptions for Risk-Informed Approach to Address GSI-191 and Respond to Generic Letter 2004-02 (LDCN 19-0014).2022-05-27027 May 2022 Response to Request for Additional Information Regarding Request for License Amendment and Regulatory Exemptions for Risk-Informed Approach to Address GSI-191 and Respond to Generic Letter 2004-02 (LDCN 19-0014). Project stage: Response to RAI ML22182A4012022-08-23023 August 2022 Callaway - Environmental Assessment & Finding of No Significant Impact Requests for Amendment & Regulatory Exemptions for a Risk-Informed Approach to Address GSI-191 and Respond to GL 2004-02 (EPID L-2021-LLA-0059 & L-2021-LLE-0021) Project stage: Request ML22182A4062022-08-23023 August 2022 FRN - Environmental Assessment & Finding of No Significant Impact Requests for Amendment & Regulatory Exemptions for a Risk-Informed Approach to Address GSI-191 and Respond to GL 2004-02 (EPID L-2021-LLA-0059 & L-2021-LLE-0021) Project stage: Other ML22182A4112022-08-23023 August 2022 Letter - Environmental Assessment & Finding of No Significant Impact Requests for Amendment & Regulatory Exemptions for a Risk-Informed Approach to Address GSI-191 and Respond to GL 2004-02 (EPID L-2021-LLA-0059 & L-2021-LLE-00021) Project stage: Other ULNRC-06766, Correction of Text Contained in Enclosures Provided with Supplements to Request for License Amendment and Regulatory Exemptions for a Risk-Informed Approach to Address GSI-191 and Respond to GL 2004-02 (LDCN 19-0014)2022-09-0808 September 2022 Correction of Text Contained in Enclosures Provided with Supplements to Request for License Amendment and Regulatory Exemptions for a Risk-Informed Approach to Address GSI-191 and Respond to GL 2004-02 (LDCN 19-0014) Project stage: Supplement ML22220A1302022-10-21021 October 2022 Exemptions from the Requirements of 10 CFR 50.46 and 10 CFR Part 50 Appendix a, General Design Criteria 35, 38, and 41 (EPID L-2021-LLE-0021) (Cover Letter) Project stage: Other ML22220A1312022-10-21021 October 2022 Exemptions from the Requirements of Title 10 of the Code of Federal Regulations (10 CFR) Section 50.46, 10 CFR 50 Appendix a General Design Criteria 35, 38, and 41 (EPID L-2021-LLE-0021) (Exemptions) Project stage: Other ML22220A1322022-10-21021 October 2022 Issuance of Amendment No. 228 Re; Revise Technical Specifications to Address Generic Safety Isusue-191 and Respond to Generic Letter 2004-02 Using Risk-Informed Approach Project stage: Approval ML22220A1292022-10-25025 October 2022 Exemptions from the Requirements of Title 10 of the Code of Federal Regulations (10 CFR) Section 50.46, 10 CFR 50 Appendix a General Design Criteria 35, 38, and 41 (EPID L-2021-LLE-0021) (FRN) Project stage: Other 2021-09-14
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Category:Letter
MONTHYEARULNRC-06853, Submittal of 2023 Fitness for Duty Performance Data Per Per 10 CFR 26.7172024-01-29029 January 2024 Submittal of 2023 Fitness for Duty Performance Data Per Per 10 CFR 26.717 IR 05000483/20230042024-01-19019 January 2024 Integrated Inspection Report 05000483/2023004 ML24008A0552024-01-19019 January 2024 Acceptance of Requested Licensing Action - Proposed Alternative to the Requirements of the ASME Code (EPID L-2023-LLR- 0061) ML23353A1712024-01-18018 January 2024 Issuance of Amendment No. 237 to Clarify Support System Requirements for the Residual Heat Removal System and Control Room Air Conditioning System Under Technical Specifications 3.4.8, 3.7.11, and 3.9.6 ML23317A0012024-01-12012 January 2024 Audit Summary Regarding LAR to Clarify Support System Requirements for the Residual Heat Removal and Control Room Air Conditioning System Under Technical Specifications 3.4.8, 3.7.11, and 3.9.6 ML23347A1212024-01-11011 January 2024 Issuance of Amendment No. 236 to Adopt TSTF-501, Revision 1, Relocate Stored Fuel Oil and Lube Volume Values to Licensee Control EPID L-2023-LLA-0046) ML24011A1492024-01-11011 January 2024 Notification of Post-Approval Site Inspection for License Renewal and Request for Information (05000483/2024011) ULNRC-06847, Supplement to Relief Request from Requirements of ASME BPV Code, Section XI, Subsection Iwl Regarding Examination and Testing of the Unbonded Post-Tensioning System (Relief Request C3R-01)2023-12-21021 December 2023 Supplement to Relief Request from Requirements of ASME BPV Code, Section XI, Subsection Iwl Regarding Examination and Testing of the Unbonded Post-Tensioning System (Relief Request C3R-01) ULNRC-06849, License Renewal Resolution for Commitments 34 and 35 Perform Evaluation of Crack Initiation and Propagation in Steam Generator Divider Plate and Tube-To-Tubesheet Welds2023-12-20020 December 2023 License Renewal Resolution for Commitments 34 and 35 Perform Evaluation of Crack Initiation and Propagation in Steam Generator Divider Plate and Tube-To-Tubesheet Welds ML23346A0392023-12-14014 December 2023 Supplemental Information Needed for Acceptance of Requested Licensing Action Request for Relief from Requirements of ASME Code, Section Xl, Examination and Testing Unbonded Post-Tensioning System ULNRC-06844, Request for Exemption from Specific Requirements in 2023 Security Rule, Enhanced Weapons, Firearms Background Checks, and Security Event Notification2023-12-0707 December 2023 Request for Exemption from Specific Requirements in 2023 Security Rule, Enhanced Weapons, Firearms Background Checks, and Security Event Notification 05000483/LER-2023-001, Submittal of LER 2023-001-00 for Callaway, Unit 1, Inoperable Instrument Tunnel Sump Level Indication Resulted in Condition Prohibited by Technical Specifications2023-11-29029 November 2023 Submittal of LER 2023-001-00 for Callaway, Unit 1, Inoperable Instrument Tunnel Sump Level Indication Resulted in Condition Prohibited by Technical Specifications ULNRC-06827, Supplement to License Amendment Request Regarding Support System Requirements for Residual Heat Removal and Control Room Air Conditioning Systems Under Technical Specifications 3.4.8, 3.7.11, and 3.9.6 (LDCN 22-0029)2023-11-20020 November 2023 Supplement to License Amendment Request Regarding Support System Requirements for Residual Heat Removal and Control Room Air Conditioning Systems Under Technical Specifications 3.4.8, 3.7.11, and 3.9.6 (LDCN 22-0029) IR 05000483/20230102023-11-15015 November 2023 NRC License Renewal Phase 1 Inspection Report 05000483 2023010 IR 05000483/20233012023-11-0909 November 2023 NRC Examination Report 05000483-2023301 ML23311A2082023-11-0909 November 2023 Reassignment of U.S. Nuclear Regulatory Commission Branch Chief in the Division of Operating Reactor Licensing for Plant Licensing Branch IV ML23297A2502023-11-0606 November 2023 Individual Notice of Consideration of Issuance of Amendment to Renewed Facility Operating License, Proposed No Significant Hazards Consideration Determination and Opportunity for a Hearing (EPID L-2022-LLA-0176) - Letter IR 05000483/20240122023-10-24024 October 2023 Information Request for the Cybersecurity Baseline Inspection, Notification to Perform Inspection (05000483/2024012) ML23293A2652023-10-24024 October 2023 3rd Quarter 2023 Integrated Inspection Report ML23240A3692023-10-0505 October 2023 Issuance of Amendment No. 235 to Revise Technical Specifications to Use of Framatome Gaia Fuel (EPID L-2022-LLA-0150) (Non-Proprietary) ML23234A1522023-10-0505 October 2023 Exemption from the Requirements of 10 CFR Part 50, Section 50.46, and Appendix K Regarding Use of M5 Cladding Material (EPID L-2022-LLE-0030) (Letter) ML23305A0942023-10-0202 October 2023 10-CW-2023-09 Post-Exam Submittal ML23270B9662023-09-27027 September 2023 10 CFR 50.55a(z)(I) Request for Relief from ASME OM Code Pump and Valve Testing Requirements for Fifth 120-Month Inservice Testing Interval ML23228A0252023-09-25025 September 2023 Issuance of Amendment No. 234 to Revise Technical Specification 5.5.16, Containment Leakage Rate Testing Program, for Permanent Extension of Type a and Type C Leak Rate Test Frequencies ML23261C3852023-09-25025 September 2023 Safety Evaluation for Operating Quality Assurance Manual Revision 36A ML23166B0882023-09-20020 September 2023 Issuance of Amendment No. 233 for Adoption of Alternative Source Term and Revision of Technical Specifications ML23206A1992023-09-15015 September 2023 Regulatory Audit Summary Regarding License Amendment and Regulatory Exemptions Request for Fuel Transition to Framatome Gaia Fuel (Epids L-2022-LLA-0150 and L-2022-LLE-0030) IR 05000483/20234012023-09-13013 September 2023 NRC Security Baseline Inspection Report 05000483/2023401 ML23240A7572023-08-31031 August 2023 NRC Initial Operator Licensing Examination Approval 05000483/2023301 IR 05000483/20230052023-08-23023 August 2023 Updated Inspection Plan for Callaway Nuclear Power Plant, Unit 1 (Report 05000483/2023005) - Mid Cycle Letter 2023 ULNRC-06824, Response to Request for Additional Information Regarding Operating Quality Assurance Manual (Oqam) Revision 36A2023-08-17017 August 2023 Response to Request for Additional Information Regarding Operating Quality Assurance Manual (Oqam) Revision 36A ML23219A1392023-08-15015 August 2023 Request for Withholding Information from Public Disclosure ULNRC-06830, Transmittal of Updated Technical Specification Markup and Clean Pages for License Amendment Request to Revise Technical Specification 5.5.16, Containment Leakage Rate Testing Program, for Permanent Extension of Type a and Type C Leak2023-08-15015 August 2023 Transmittal of Updated Technical Specification Markup and Clean Pages for License Amendment Request to Revise Technical Specification 5.5.16, Containment Leakage Rate Testing Program, for Permanent Extension of Type a and Type C Leak ML23215A1972023-08-0303 August 2023 Supplement to License Amendment and Exemption Request Regarding Use of Framatome Gaia Fuel (LDCN 22-0002) ULNRC-06223, Minor Correction to License Amendment Request to Revise Technical Specification 5.5.16, Containment Leakage Rate Testing Program, for Permanent Extension of Type a and Type C Leak Rate Test Frequencies (LDCN 2020-0004)2023-07-25025 July 2023 Minor Correction to License Amendment Request to Revise Technical Specification 5.5.16, Containment Leakage Rate Testing Program, for Permanent Extension of Type a and Type C Leak Rate Test Frequencies (LDCN 2020-0004) ULNRC-06799, Submittal of Licensee Event Report 2022-003-01, Class 1E Electrical Air Conditioning System Thermal Expansion Valve Failure Resulted in Condition Prohibited by Technical Specifications2023-07-13013 July 2023 Submittal of Licensee Event Report 2022-003-01, Class 1E Electrical Air Conditioning System Thermal Expansion Valve Failure Resulted in Condition Prohibited by Technical Specifications IR 05000483/20230022023-07-10010 July 2023 Integrated Inspection Report 05000483/2023002 ML23174A1272023-06-23023 June 2023 Cw FFD Document Request List 2023 ML23171A9942023-06-22022 June 2023 Acceptance of Request for Approval of Operating Quality Assurance Manual Revision 36a ULNRC-06821, Post-Audit Follow-Up Information in Support of Callaway'S License Amendment Request and Proposed Exemption to Allow Use of Framatome Gaia Fuel (LDCN 22-0002) (EPID L-2022-LLA-0150 and EPID L-2022-LLE-00301)2023-06-21021 June 2023 Post-Audit Follow-Up Information in Support of Callaway'S License Amendment Request and Proposed Exemption to Allow Use of Framatome Gaia Fuel (LDCN 22-0002) (EPID L-2022-LLA-0150 and EPID L-2022-LLE-00301) IR 05000483/20230112023-06-15015 June 2023 Comprehensive Engineering Team Inspection (CETI) Inspection Report 05000483/2023011 ULNRC-06822, Additional Information Regarding Request for NRC Approval of Operating Quality Assurance Manual (Oqam) Revision 36a2023-06-14014 June 2023 Additional Information Regarding Request for NRC Approval of Operating Quality Assurance Manual (Oqam) Revision 36a ML23158A1462023-06-13013 June 2023 Notification of Post-Approval Site Inspection for License Renewal and Request for Information Inspection (05000483/2023010) ULNRC-06815, Request for NRC Approval of Operating Quality Assurance Manual, Revision 36a2023-06-0505 June 2023 Request for NRC Approval of Operating Quality Assurance Manual, Revision 36a ULNRC-06818, Response to Request for Additional Information Regarding License Amendment Request to Revise Technical Specification 5.5.16, Containment Leakage Rate Testing Program, for Permanent Extension of Type a and Type C Leak Rate .2023-06-0505 June 2023 Response to Request for Additional Information Regarding License Amendment Request to Revise Technical Specification 5.5.16, Containment Leakage Rate Testing Program, for Permanent Extension of Type a and Type C Leak Rate . ML23093A0952023-05-10010 May 2023 Issuance of Amendment No. 232 Regarding Technical Specification Changes for Spent Fuel Storage ULNRC-06816, Withdrawal of Previously Submitted Enclosures Regarding License Amendment Request for Adoption of Alternative Source Term and Revision of Technical Specifications (LDCN 21-0015)2023-05-0909 May 2023 Withdrawal of Previously Submitted Enclosures Regarding License Amendment Request for Adoption of Alternative Source Term and Revision of Technical Specifications (LDCN 21-0015) ML23129A7942023-05-0909 May 2023 Post-Audit Supplement to License Amendment Request and Exemption to Allow Use of Framatome Gaia Fuel (LDCN 22-0002) (Iepid L-2022-LLA-0150 and EPID L-2022-LLE-0030) ML23122A3172023-05-0808 May 2023 Review of the Spring 2022 Steam Generator Tube Inservice Inspections ML23118A3492023-05-0808 May 2023 Request for Withholding Information from Public Disclosure 2024-01-29
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t!:Aiiierefl Callaway Plant MISSOURI July 22, 2021 ULNRC-0665 1 U.S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555-000 1 10 CFR 50.90 Ladies and Gentlemen:
DOCKET NUMBER 50-483 CALLAWAY PLANT UNIT 1 UNION ELECTRIC CO.
RENEWED FACILITY OPERATING LICENSE NPF-30 SUPPLEMENT TO REQUEST FOR LICENSE AMENDMENT AND REGULATORY EXEMPTIONS FOR A RISK-INFORMED APPROACH TO ADDRESS GSI-191 AND RESPOND TO GL 2004-02 (LDCN 19-0014)
References:
1 . Ameren Missouri letter ULNRC-06526, Request for License Amendment and Regulatory Exemptions for a Risk-Informed Approach to Address GSI 191 and Respond to GL 2004-02 (LDCN 19-0014), dated March 31, 2021 In the letter identified as Reference 1 Union Electric Company (Ameren Missouri) submitted its proposed resolution for addressing G$I-191 and responding to Generic Letter 2004-02, Potential Impact of Debris Blockage on Emergency Recirculation During Design Basis Accidents at Pressurized-Water Reactors, for the Callaway plant. As submitted, the letter is a combined request for regulatory exemptions and license amendment, as it also requests NRC approval of the risk-informed RoverD approach for addressing concerns about accident generated debris in the containment and its potential effects on sump performance and core cooling.
The license amendment request (LAR) part of Reference 1 includes proposed Technical Specification (TS) changes based on Technical Specifications Task Force (TSTF) traveler TSTF-567, Rev. 1, Add Containment Sump TS to Address GSI-1 91 Issues. The primary change is the proposed addition of new TS 3 .6.8, Containment Sumps, including new Surveillance Requirement (SR) 3 .6.8. 1 for inspection ofthe sump strainers, which would replace existing SR 3.5.2.8. The proposed TS changes also include revision of TS Administrative Control (AC) 5.5. 15, Safety Function Determination Program, to clarify the application of TS LCO 3 .0.6 to the containment sumps.
83 15 County Road 459 : Steedman, MO 65077 : AmerenMissouri.com
ULNRC-0665 1 July 22, 2021 Page 2 of 5 Several enclosures were provided with the Reference 1 letter. Enclosure 1 describes and provides the basis for the proposed regulatory exemptions identified to be needed in support of the risk-informed approach for Callaway. Enclosure 2 provides the evaluation and basis for the EAR, i.e., the proposed Technical Specification changes and method(s) of evaluation employed to establish a basis for the debris limits referenced in the revised Technical Specifications (as proposed). Enclosure 2 includes page markups and retyped pages for the affected Technical Specification (IS) pages. Enclosure 3 describes and provides details about the RoverD methodology used by Ameren Missouri, including the risk-informed approach to resolving GSI-1 91 concerns, consistent with RG 1 1 74 guidance. It also includes a final response to GL 2004-02, for Callaway, following the NRCs content guide for that.
Subsequent to submittal of the Reference 1 letter and enclosures, the NRC staff began its acceptance review of the submittal, and from their initial review, in particular, the NRC staff identified two concerns that require resolution. Resolution ofthose concerns is the basis for this follow-up letter, which is being provided as a supplement to the Reference 1 EAR. For the first concern, it was identified that the IS pages provided in Enclosure 2 to the Reference 1 letter were not fully consistent with the format of the pages contained in the Callaway Technical Specifications (in regard to the lack of a proper footer for the provided pages). It was noted that this applied as well to the TS Bases pages provided for information in Enclosure 2. In addition, a marked-up/revised Table of Contents page was not included with the IS pages, for reflecting the proposed, new TS 3.6.8. From follow-up discussions with the NRC staff about this concern, it was agreed that Ameren Missouri would submit corrected pages (i.e., replacement/additional pages) in a follow-up/supplement to the LAR.
The second concern was that the NRC staffreviewer(s) identified information (i.e., numerical values) within Enclosure 3 that appeared to be taken from a proprietary technical report and as such should be considered proprietary to the preparer of that report. (The information was not identified as proprietary in the LAR/enclosure). Ameren Missouri promptly confirmed the information as proprietary and then also identified that such information was included in Enclosure 2 as well. Action was promptly taken by the NRC to withdraw Enclosure 3 (and then Enclosure 2) from ADAMS.
Ameren Missouri also took actions, including agreeing to submit a supplement to the LAR to resolve the proprietary information concern. It was determined that the best approach would be to replace the proprietary numerical values with specific references to the technical report as needed. In this way, the replacement Enclosures would not contain proprietary information and thus would not have to be redacted.
In response to the two noted concerns and how they are to be resolved, as described above, replacements are now being provided for the enclosures, i.e., Enclosures 2 and 3, that were provided with the Reference 1 letter. To be clear, the enclosures provided as Enclosures 2 and 3 to this letter are to be considered replacements for Enclosures 2 and 3 of the Reference 1 letter, respectively, and thus entirely supersede those enclosures. A summary of changes to Enclosures 2 and 3 of the Reference 1 letter, which are included in Enclosures 2 and 3 to this letter, is provided in Enclosure 1 to this letter.
The replacement documents provided in this supplemental information submittal have no impact on the changes requested and described in the LAR. As such, they do not change the No Significant Hazards Consideration conclusions reached in the LAR, nor do they change the conclusion regarding
ULNRC-0665 1 July 22, 2021 Page 3 of 5 no need for an environmental assessment based on the categorical exclusion provisions of 10 CFR 51.22.
In accordance with 10 CfR 50.91, Notice for public comment; State consultation, Section (b)(l), a copy of this supplemental information submittal provided in connection with the March 3 1 2021 amendment application is being provided to the designated Missouri State official.
This letter does not contain new commitments.
If there are any questions, please contact Mr. Tom Elwood at 3 14-225-1905.
I declare under penalty ofperjury that the foregoing is true and correct.
Sincerely,
//%i%FJtY Steve J. Meyer Manager, Regulatory Affairs Executed on:
Enclosures:
Enclosure 1 Summary of Changes to Enclosure 2, License Amendment Request, and Enclosure 3, Callaway Methodology for a Risk-Informed Approach to Address Generic Letter 2004-02, of ULNRC-06526 Enclosure 2 (Replacement for Enclosure 2, License Amendment Request, of ULNRC-06526)
Enclosure 3 (Replacement for Enclosure 3, Callaway Methodology for a Risk-Informed Approach to Address Generic Letter 2004-02, of ULNRC-06526)
ULNRC-0665 1 July 22, 2021 Page 4 of 5 cc: Mr. Scott A. Morris Regional Administrator U. S. Nuclear Regulatory Commission Region IV 1 600 East Lamar Boulevard Arlington, TX 76011-4511 Senior Resident Inspector Callaway Resident Office U.S. Nuclear Regulatory Commission 8201 NRC Road Steedman, MO 65077 Mr. M. Chawla Project Manager, Callaway Plant Office ofNuclear Reactor Regulation U. S. Nuclear Regulatory Commission Mail Stop O8B1A Washington, DC 20555-0001
ULNRC-0665 1 July 22, 2021 Page 5 of 5 Index and send hardcopy to QA file A160.0761 Hardcopy:
Certrec Corporation 6500 West Freeway, Suite 400 fort Worth, TX 76116 (Certrec receives ALL attachments as long as they are non-safeguards and may be publicly disclosed.)
Electronic distribution for the following can be made via Responses and Reports ULNRC Distribution:
F. M. Diya B. L. Cox F. J. Bianco S. P. Banker B. L. Jungmann S. J. Meyer S. M. Lange T. B. Elwood R. J. Andreasen NSRB Secretary STARS Regulatory Affairs Mr. Jay Silberg (Pillsbury Winthrop Shaw Pittman LLP)
Missouri Public Service Commission Ms. Katie Jo Wheeler (DNR)