NRC 2019-0007, License Conditions and Implementation Items Required to Resolve Construction Truss Design Code Nonconformances: Difference between revisions
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{{#Wiki_filter:March 13,2019 ATTN: Document Control Desk U.S. Nuclear Regulatory Commission Washington, DC 20555-0001 Point Beach Nuclear Plant, Units 1 and 2 Dockets 50-266 and 50-301 | {{#Wiki_filter:NRC 2019-0007 10 CFR 50.90 March 13,2019 ATTN: Document Control Desk U.S. Nuclear Regulatory Commission Washington, DC 20555-0001 Point Beach Nuclear Plant, Units 1 and 2 Dockets 50-266 and 50-301 | ||
==Subject:== | ==Subject:== | ||
Point Beach Nuclear Plant, Units 1 and 2, License Conditions and Implementation Items Required to Resolve Construction Truss Design Code Non conformances | Point Beach Nuclear Plant, Units 1 and 2, License Conditions and Implementation Items Required to Resolve Construction Truss Design Code Non conformances | ||
==References:== | ==References:== | ||
Line 25: | Line 25: | ||
: 2. NRC Letter, Point Beach Nuclear Plant, Units 1 and 2 -Request for Additional Information for Point Beach Nuclear Plant, Units 1 and 2, Regarding License Amendment Request to Resolve Nonconformances Relating to Containment Dome Truss (EPID L-2017-LLA-0209),January 31,2018 (ML18025C043) | : 2. NRC Letter, Point Beach Nuclear Plant, Units 1 and 2 -Request for Additional Information for Point Beach Nuclear Plant, Units 1 and 2, Regarding License Amendment Request to Resolve Nonconformances Relating to Containment Dome Truss (EPID L-2017-LLA-0209),January 31,2018 (ML18025C043) | ||
: 3. NextEra Energy Point Beach, LLC letter NRC 2018-0014, "Construction Truss License Amendment Request 278, Response to Request for Additional Information," April12, 2018 (ML18102B164) | : 3. NextEra Energy Point Beach, LLC letter NRC 2018-0014, "Construction Truss License Amendment Request 278, Response to Request for Additional Information," April12, 2018 (ML18102B164) | ||
: 4. NextEra Energy Point Beach, LLC letter NRC 2018-0030, "Construction Truss License Amendment Request 278 Draft Updated Final Safety Analysis Report (UFSAR) Revision," May 29,2018 (ML18149A466) | : 4. NextEra Energy Point Beach, LLC letter NRC 2018-0030, "Construction Truss License Amendment Request 278 Draft Updated Final Safety Analysis Report (UFSAR) Revision," | ||
: 5. NRC e-mail, "Final-Second Round RAis -Point Beach Nuclear Plant, Units 1 and 2 -License Amendment Request to Resolve Non-conformances Relating to Containment Dome Truss-EPID L-2017-LLA-0209," August 1, 2018 (ML18214A153) | May 29,2018 (ML18149A466) | ||
: 5. NRC e-mail, "Final- Second Round RAis - Point Beach Nuclear Plant, Units 1 and 2 - | |||
License Amendment Request to Resolve Non-conformances Relating to Containment Dome Truss- EPID L-2017-LLA-0209," August 1, 2018 (ML18214A153) | |||
: 6. NextEra Energy Point Beach, LLC letter NRC 2018-0041, "Response to Second Round Request for Additional Information Regarding Point Beach Nuclear Plant, Units 1 and 2, License Amendment Request for Risk-Informed Approach to Resolve Construction Truss Design Code Nonconformances, (EPID L 2017-LLA-0209)," August 30,2018 (ML18242A572) | : 6. NextEra Energy Point Beach, LLC letter NRC 2018-0041, "Response to Second Round Request for Additional Information Regarding Point Beach Nuclear Plant, Units 1 and 2, License Amendment Request for Risk-Informed Approach to Resolve Construction Truss Design Code Nonconformances, (EPID L 2017-LLA-0209)," August 30,2018 (ML18242A572) | ||
In Reference 1, supplemented by References 3, 4 and 6, NextEra Energy Point Beach, LLC (NextEra) submitted License Amendment Request (LAR) 278 to resolve legacy design code nonconformances associated with the Point Beach Units 1 and 2 containment dome construction trusses. NextEra Energy Point Beach, LLC 6610 Nuclear Road, Two Rivers, WJ54241 Document Control Desk Page 2 In Reference 6, Attachment 2, NextEra proposed new License Conditions for the resolution of the legacy design code nonconformances. | In Reference 1, supplemented by References 3, 4 and 6, NextEra Energy Point Beach, LLC (NextEra) submitted License Amendment Request (LAR) 278 to resolve legacy design code nonconformances associated with the Point Beach Units 1 and 2 containment dome construction trusses. | ||
The proposed License Conditions required NextEra to complete the comprehensive list of Implementation Items identified in Reference 6, Attachment | NextEra Energy Point Beach, LLC 6610 Nuclear Road, Two Rivers, WJ54241 | ||
NRC provided comments to the proposed language of the License Conditions and the list of Implementation Items. NRC also proposed the addition of a new Implementation Item to incorporate NextEra's response to RAI-1a. and RAI 17 in Reference | Document Control Desk Page 2 In Reference 6, Attachment 2, NextEra proposed new License Conditions for the resolution of the legacy design code nonconformances. The proposed License Conditions required NextEra to complete the comprehensive list of Implementation Items identified in Reference 6, Attachment 3. | ||
On February 14, 2019 a teleconference was held between NRC staff and NextEra to discuss the proposed License Conditions. NRC provided comments to the proposed language of the License Conditions and the list of Implementation Items. NRC also proposed the addition of a new Implementation Item to incorporate NextEra's response to RAI-1a. and RAI 17 in Reference 3. | |||
Following this discussion, NextEra agreed to incorporate NRC's comments and to include an additional Implementation Item. to this letter contains mark-ups for the proposed revised License Conditions incorporated into Paragraph 4.I of Renewed Facility Operating License No. DPR 24 and Paragraph 4.H of Renewed Facility Operating License No. DPR 27. Once approved, the amended Licenses will be effective as of the date of issuance and shall be implemented in accordance with the requirements specified in proposed Paragraphs 4.I (DPR 24) and 4.H (DPR 27), respectively. provides the corresponding "clean" License pages. Attachment 3 provides the comprehensive list of Implementation Items with the additional Item requested by NRC. | |||
Attachments 1 and 3 of this letter supersede Attachments 2 and 3 of Reference 6. | |||
This supplement does not alter the conclusions in Reference 1 that the proposed change does not involve a significant hazards consideration pursuant to 10 CFR 50.92, and there are no significant environmental impacts associated with the change. | |||
This letter contains no new or revised regulatory commitments. | |||
Should you have any questions regarding this submittal, please contact Mr. Eric Schultz, Licensing Manager, at 920-755-7854. | Should you have any questions regarding this submittal, please contact Mr. Eric Schultz, Licensing Manager, at 920-755-7854. | ||
I declare under penalty of perjury that the foregoing is true and correct. Robert Craven Site Director NextEra Energy Point Beach, LLC | I declare under penalty of perjury that the foregoing is true and correct. | ||
This program shall include: 1. Identification of a sampling schedule for the critical parameters and control points for these parameters; | Robert Craven Site Director NextEra Energy Point Beach, LLC : Point Beach Units 1 and 2 Operating Licenses- Mark-ups : Point Beach Units 1 and 2 Operating Licenses - Clean Pages : Implementation Items Required to Resolve the Construction Truss Design Code N onconformances cc: Administrator, Region III, USNRC Project Manager, Point Beach Nuclear Plant, USNRC Resident Inspector, Point Beach Nuclear Plant, USNRC Public Service Commission of Wisconsin | ||
: 2. Identification of the procedures used to quantify parameters that are critical to control points; 3 Identification of process sampling points; 4. Procedure for the recording and management of data; 5. Procedures defining corrective actions for off control point chemistry condition; and 6. A procedure for identifying the authority responsible for the interpretation of the data, and the sequence and timing of administrative events required to initiate corrective action. H. The licensee is authorized to repair Unit 1 steam generators by replacement of major components. | |||
Repairs shall be conducted in accordance with the licensee's commitments identified in the Commission approved Point Beach Nuclear Plant | Attachment 1 Point Beach Units 1 and 2 Operating Licenses- Mark-ups (3 pages follow) | ||
J. Deleted K. All capsules in the reactor vessel that are removed and tested must meet the test procedures and reporting requirements of American Society for Testing and Materials (ASTM) E 185-82 to the extent practicable for the configuration of the specimens in the capsule. Any changes to the capsule withdrawal schedule, including spare capsules, must be approved by the NRC prior to implementation. | |||
All capsules placed in storage must be maintained for future insertion. | G. Secondary Water Chemistry Monitoring Program NextEra Energy Point Beach shall implement a secondary water chemistry monitoring program to inhibit steam generator tube degradation. This program shall include: | ||
Any changes to storage requirements must be approved by the NRC, as required by 10 CFR Part 50, Appendix H. L. Mitigation Strategy Strategies shall be developed and maintained for addressing large fires and explosions that include the following key areas: 1. Fire fighting response strategy with the following elements: | : 1. Identification of a sampling schedule for the critical parameters and control points for these parameters; | ||
: a. Pre-defined coordinated fire response strategy and guidance b. Assessment of mutual aid fire fighting assets c. Designated staging areas for equipment and materials | : 2. Identification of the procedures used to quantify parameters that are critical to control points; 3 Identification of process sampling points; | ||
: d. Command and control e. Training of response personnel Renewed License No. DPR-24 Amendment No. H. Deleted I. Deleted J. All capsules in the reactor vessel that are removed and tested must meet the test procedures and reporting requirements of American Society for Testing and Materials (ASTM) E 185-82 to the extent practicable for the configuration of the specimens in the capsule. Any changes to the capsule withdrawal schedule, including spare capsules, must be approved by the NRC prior to implementation. | : 4. Procedure for the recording and management of data; | ||
All capsules placed in storage must be maintained for future insertion. | : 5. Procedures defining corrective actions for off control point chemistry condition; and | ||
Any changes to storage requirements must be approved by the NRC, as required by 10 CFR Part 50, Appendix H. K. Mitigation Strategy Strategies shall be developed and maintained for addressing large fires and explosions that include the following key areas: 1. Fire fighting response strategy with the following elements: | : 6. A procedure for identifying the authority responsible for the interpretation of the data, and the sequence and timing of administrative events required to initiate corrective action. | ||
: a. Pre-defined coordinated fire response strategy and guidance b. Assessment of mutual aid fire fighting assets c. Designated staging areas for equipment and materials | H. The licensee is authorized to repair Unit 1 steam generators by replacement of major components. Repairs shall be conducted in accordance with the licensee's commitments identified in the Commission approved Point Beach Nuclear Plant Unit No. 1 Steam Generator Repair Report dated August 9, 1982 and revised March 1, 1983 and additional commitments identified in the staff's related safety evaluation. | ||
: d. Command and control e. Training of response personnel | I. | ||
J. Deleted K. All capsules in the reactor vessel that are removed and tested must meet the test procedures and reporting requirements of American Society for Testing and Materials (ASTM) E 185-82 to the extent practicable for the configuration of the specimens in the capsule. Any changes to the capsule withdrawal schedule, including spare capsules, must be approved by the NRC prior to implementation. All capsules placed in storage must be maintained for future insertion. Any changes to storage requirements must be approved by the NRC, as required by 10 CFR Part 50, Appendix H. | |||
L. Mitigation Strategy Strategies shall be developed and maintained for addressing large fires and explosions that include the following key areas: | |||
: 1. Fire fighting response strategy with the following elements: | |||
: a. Pre-defined coordinated fire response strategy and guidance | |||
: b. Assessment of mutual aid fire fighting assets | |||
: c. Designated staging areas for equipment and materials | |||
: d. Command and control | |||
: e. Training of response personnel Renewed License No. DPR-24 Amendment No. ~ | |||
H. Deleted I. Deleted J. All capsules in the reactor vessel that are removed and tested must meet the test procedures and reporting requirements of American Society for Testing and Materials (ASTM) E 185-82 to the extent practicable for the configuration of the specimens in the capsule. Any changes to the capsule withdrawal schedule, including spare capsules, must be approved by the NRC prior to implementation. All capsules placed in storage must be maintained for future insertion. Any changes to storage requirements must be approved by the NRC, as required by 10 CFR Part 50, Appendix H. | |||
K. Mitigation Strategy Strategies shall be developed and maintained for addressing large fires and explosions that include the following key areas: | |||
: 1. Fire fighting response strategy with the following elements: | |||
: a. Pre-defined coordinated fire response strategy and guidance | |||
: b. Assessment of mutual aid fire fighting assets | |||
: c. Designated staging areas for equipment and materials | |||
: d. Command and control | |||
: e. Training of response personnel | |||
: 2. Operations to mitigate fuel damage considering the following: | : 2. Operations to mitigate fuel damage considering the following: | ||
: a. Protection and use of personnel assets b. Communications | : a. Protection and use of personnel assets | ||
: c. Minimizing fire spread d. Procedures for implementing integrated fire response strategy e. Identification of readily-available pre-staged equipment | : b. Communications | ||
: f. Training on integrated fire response strategy g. Spent fuel pool mitigation measures 3. Actions to minimize release to include consideration of: a. Water spray scrubbing | : c. Minimizing fire spread | ||
: b. Dose to onsite responders Renewed License No. DPR-27 Amendment No. | : d. Procedures for implementing integrated fire response strategy | ||
: e. Identification of readily-available pre-staged equipment | |||
: f. Training on integrated fire response strategy | |||
: g. Spent fuel pool mitigation measures | |||
: 3. Actions to minimize release to include consideration of: | |||
: a. Water spray scrubbing | |||
: b. Dose to onsite responders Renewed License No. DPR-27 Amendment No. ~ | |||
PB Unit 1 License Insert Containment Building Construction Truss NextEra Energy Point Beach shall complete implementation items 1, 2, 3, 5, and 6 included in Attachment 3 of licensee letter NRC 2019-0007, dated March 13,2019, by the completion date specified in the Attachment. | PB Unit 1 License Insert Containment Building Construction Truss NextEra Energy Point Beach shall complete implementation items 1, 2, 3, 5, and 6 included in Attachment 3 of licensee letter NRC 2019-0007, dated March 13,2019, by the completion date specified in the Attachment. | ||
PB Unit 2 License Insert Containment Building Construction Truss NextEra Energy Point Beach shall complete implementation items 3, 4, 5, and 6 included in Attachment 3 of licensee letter NRC 2019-0007, dated March 13, 2019, by the completion date specified in the Attachment. | PB Unit 2 License Insert Containment Building Construction Truss NextEra Energy Point Beach shall complete implementation items 3, 4, 5, and 6 included in Attachment 3 of licensee letter NRC 2019-0007, dated March 13, 2019, by the completion date specified in the Attachment. | ||
Attachment 2 Point Beach Units 1 and 2 Operating Licenses-Clean Pages (4 pages follow) | |||
This program shall include: 1. Identification of a sampling schedule for the critical parameters and control points for these parameters; | Attachment 2 Point Beach Units 1 and 2 Operating Licenses- Clean Pages (4 pages follow) | ||
: 2. Identification of the procedures used to quantify parameters that are critical to control points; 3 Identification of process sampling points; 4. Procedure for the recording and management of data; 5. Procedures defining corrective actions for off control point chemistry condition; and 6. A procedure for identifying the authority responsible for the interpretation of the data, and the sequence and timing of administrative events required to initiate corrective action. H. The licensee is authorized to repair Unit 1 steam generators by replacement of major components. | |||
Repairs shall be conducted in accordance with the licensee's commitments identified in the Commission approved Point Beach Nuclear Plant Unit No. 1 Steam Generator Repair Report dated August 9, 1982 and revised March 1, 1983 and additional commitments identified in the staff's related safety evaluation. | G. Secondary Water Chemistry Monitoring Program NextEra Energy Point Beach shall implement a secondary water chemistry monitoring program to inhibit steam generator tube degradation. This program shall include: | ||
: 1. Identification of a sampling schedule for the critical parameters and control points for these parameters; | |||
: 2. Identification of the procedures used to quantify parameters that are critical to control points; 3 Identification of process sampling points; | |||
: 4. Procedure for the recording and management of data; | |||
: 5. Procedures defining corrective actions for off control point chemistry condition; and | |||
: 6. A procedure for identifying the authority responsible for the interpretation of the data, and the sequence and timing of administrative events required to initiate corrective action. | |||
H. The licensee is authorized to repair Unit 1 steam generators by replacement of major components. Repairs shall be conducted in accordance with the licensee's commitments identified in the Commission approved Point Beach Nuclear Plant Unit No. 1 Steam Generator Repair Report dated August 9, 1982 and revised March 1, 1983 and additional commitments identified in the staff's related safety evaluation. | |||
I. Containment Building Construction Truss NextEra Energy Point Beach shall complete implementation items 1, 2, 3, 5, and 6 included in Attachment 3 of licensee letter NRC 2019-0007, dated March 13, 2019, by the completion date specified in the Attachment. | I. Containment Building Construction Truss NextEra Energy Point Beach shall complete implementation items 1, 2, 3, 5, and 6 included in Attachment 3 of licensee letter NRC 2019-0007, dated March 13, 2019, by the completion date specified in the Attachment. | ||
J. Deleted K. All capsules in the reactor vessel that are removed and tested must meet the test procedures and reporting requirements of American Society for Testing and Materials (ASTM) E 185-82 to the extent practicable for the configuration of the specimens in the capsule. Any changes to the capsule withdrawal schedule, including spare capsules, must be approved by the NRC prior to implementation. | J. Deleted K. All capsules in the reactor vessel that are removed and tested must meet the test procedures and reporting requirements of American Society for Testing and Materials (ASTM) E 185-82 to the extent practicable for the configuration of the specimens in the capsule. Any changes to the capsule withdrawal schedule, including spare capsules, must be approved by the NRC prior to implementation. All capsules placed in storage must be maintained for future insertion. Any changes to storage requirements must be approved by the NRC, as required by 10 CFR Part 50, Appendix H. | ||
All capsules placed in storage must be maintained for future insertion. | L. Mitigation Strategy Strategies shall be developed and maintained for addressing large fires and explosions that include the following key areas: | ||
Any changes to storage requirements must be approved by the NRC, as required by 10 CFR Part 50, Appendix H. L. Mitigation Strategy Strategies shall be developed and maintained for addressing large fires and explosions that include the following key areas: 1. Fire fighting response strategy with the following elements: | : 1. Fire fighting response strategy with the following elements: | ||
: a. Pre-defined coordinated fire response strategy and guidance b. Assessment of mutual aid fire fighting assets Renewed License No. DPR-24 Amendment No. 263 | : a. Pre-defined coordinated fire response strategy and guidance | ||
: d. Command and control e. Training of response personnel | : b. Assessment of mutual aid fire fighting assets Renewed License No. DPR-24 Amendment No. 263 | ||
: c. Designated staging areas for equipment and materials | |||
: d. Command and control | |||
: e. Training of response personnel | |||
: 2. Operations to mitigate fuel damage considering the following: | : 2. Operations to mitigate fuel damage considering the following: | ||
: a. Protection and use of personnel assets b. Communications | : a. Protection and use of personnel assets | ||
: c. Minimizing fire spread d. Procedures for implementing integrated fire response strategy e. Identification of readily-available pre-staged equipment | : b. Communications | ||
: f. Training on integrated fire response strategy g. Spent fuel pool mitigation measures 3. Actions to minimize release to include consideration of: a. Water spray scrubbing | : c. Minimizing fire spread | ||
: d. Procedures for implementing integrated fire response strategy | |||
: e. Identification of readily-available pre-staged equipment | |||
: f. Training on integrated fire response strategy | |||
: g. Spent fuel pool mitigation measures | |||
: 3. Actions to minimize release to include consideration of: | |||
: a. Water spray scrubbing | |||
: b. Dose to onsite responders M. Additional Conditions The additional conditions contained in Appendix C, as revised through Amendment No. 241, are hereby incorporated into this license. NextEra Energy Point Beach shall operate the facility in accordance with the additional conditions. | : b. Dose to onsite responders M. Additional Conditions The additional conditions contained in Appendix C, as revised through Amendment No. 241, are hereby incorporated into this license. NextEra Energy Point Beach shall operate the facility in accordance with the additional conditions. | ||
: 5. The issuance of this renewed operating license is without prejudice to subsequent licensing action which may be taken by the Commission with regard to the ongoing rulemaking hearing on the Interim Acceptance Criteria for Emergency Core Cooling Systems (Docket No. RM 50-1). 6. This renewed operating license is effective as of the date of issuance, and shall expire at midnight on October 5, 2030. FOR THE NUCLEAR REGULATORY COMMISSION Original Signed By R. W. Borchardt, Deputy Director Office of Nuclear Reactor Regulation Attachments: | : 5. The issuance of this renewed operating license is without prejudice to subsequent licensing action which may be taken by the Commission with regard to the ongoing rulemaking hearing on the Interim Acceptance Criteria for Emergency Core Cooling Systems (Docket No. RM 50-1). | ||
: 1. Appendix A-Technical Specifications | : 6. This renewed operating license is effective as of the date of issuance, and shall expire at midnight on October 5, 2030. | ||
: 2. Appendix B-Environmental Technical Specifications | FOR THE NUCLEAR REGULATORY COMMISSION Original Signed By R. W. Borchardt, Deputy Director Office of Nuclear Reactor Regulation Attachments: | ||
: 3. Appendix C -Additional Conditions Date of Issuance: | : 1. Appendix A- Technical Specifications | ||
December 22, 2005 Renewed License No. DPR-24 Amendment No. 258 | : 2. Appendix B- Environmental Technical Specifications | ||
I. Deleted J. All capsules in the reactor vessel that are removed and tested must meet the test procedures and reporting requirements of American Society for Testing and Materials (ASTM) E 185-82 to the extent practicable for the configuration of the specimens in the capsule. Any changes to the capsule withdrawal schedule, including spare capsules, must be approved by the NRC prior to implementation. | : 3. Appendix C - Additional Conditions Date of Issuance: December 22, 2005 Renewed License No. DPR-24 Amendment No. 258 | ||
All capsules placed in storage must be maintained for future insertion. | |||
Any changes to storage requirements must be approved by the NRC, as required by 10 CFR Part 50, Appendix H. K. Mitigation Strategy Strategies shall be developed and maintained for addressing large fires and explosions that include the following key areas: 1. Fire fighting response strategy with the following elements: | H. Containment Building Construction Truss NextEra Energy Point Beach shall complete implementation items 3, 4, 5, and 6 included in Attachment 3 of licensee letter NRC 2019-0007, dated March 13, 2019, by the completion date specified in the Attachment. | ||
: a. Pre-defined coordinated fire response strategy and guidance b. Assessment of mutual aid fire fighting assets c. Designated staging areas for equipment and materials | I. Deleted J. All capsules in the reactor vessel that are removed and tested must meet the test procedures and reporting requirements of American Society for Testing and Materials (ASTM) E 185-82 to the extent practicable for the configuration of the specimens in the capsule. Any changes to the capsule withdrawal schedule, including spare capsules, must be approved by the NRC prior to implementation. All capsules placed in storage must be maintained for future insertion. Any changes to storage requirements must be approved by the NRC, as required by 10 CFR Part 50, Appendix H. | ||
: d. Command and control e. Training of response personnel | K. Mitigation Strategy Strategies shall be developed and maintained for addressing large fires and explosions that include the following key areas: | ||
: 1. Fire fighting response strategy with the following elements: | |||
: a. Pre-defined coordinated fire response strategy and guidance | |||
: b. Assessment of mutual aid fire fighting assets | |||
: c. Designated staging areas for equipment and materials | |||
: d. Command and control | |||
: e. Training of response personnel | |||
: 2. Operations to mitigate fuel damage considering the following: | : 2. Operations to mitigate fuel damage considering the following: | ||
: a. Protection and use of personnel assets b. Communications | : a. Protection and use of personnel assets | ||
: c. Minimizing fire spread d. Procedures for implementing integrated fire response strategy e. Identification of readily-available pre-staged equipment | : b. Communications | ||
: f. Training on integrated fire response strategy g. Spent fuel pool mitigation measures 3. Actions to minimize release to include consideration of: a. Water spray scrubbing | : c. Minimizing fire spread | ||
: b. Dose to onsite responders Renewed License No. DPR-27 Amendment No. 266 | : d. Procedures for implementing integrated fire response strategy | ||
: 5. The issuance of this renewed operating license is without prejudice to subsequent licensing action which may be taken by the Commission with regard to the ongoing rulemaking hearing on the Interim Acceptance Criteria for Emergency Core Cooling Systems (Docket No. RM 50-1). 6. This renewed operating license is effective as of the date of issuance, and shall expire at midnight on March 8, 2033. FOR THE NUCLEAR REGULATORY COMMISSION Original Signed By R. W. Borchardt, Deputy Director Office of Nuclear Reactor Regulation Attachments: | : e. Identification of readily-available pre-staged equipment | ||
: f. Training on integrated fire response strategy | |||
: g. Spent fuel pool mitigation measures | |||
: 3. Actions to minimize release to include consideration of: | |||
: a. Water spray scrubbing | |||
: b. Dose to onsite responders Renewed License No. DPR-27 Amendment No. 266 | |||
L. Additional Conditions The additional conditions contained in Appendix C, as revised through Amendment No. 245, are hereby incorporated into this license. NextEra Energy Point Beach shall operate the facility in accordance with the additional conditions. | |||
: 5. The issuance of this renewed operating license is without prejudice to subsequent licensing action which may be taken by the Commission with regard to the ongoing rulemaking hearing on the Interim Acceptance Criteria for Emergency Core Cooling Systems (Docket No. RM 50-1). | |||
: 6. This renewed operating license is effective as of the date of issuance, and shall expire at midnight on March 8, 2033. | |||
FOR THE NUCLEAR REGULATORY COMMISSION Original Signed By R. W. Borchardt, Deputy Director Office of Nuclear Reactor Regulation Attachments: | |||
: 1. Appendix A -Technical Specifications | : 1. Appendix A -Technical Specifications | ||
: 2. Appendix B-Environmental Technical Specifications | : 2. Appendix B- Environmental Technical Specifications | ||
: 3. Appendix C -Additional Conditions Date of Issuance: | : 3. Appendix C - Additional Conditions Date of Issuance: December 22, 2005 Renewed License No. DPR-27 Amendment No. 262 | ||
December 22, 2005 Renewed License No. DPR-27 Amendment No. 262 Attachment 3 Implementation Items Required to Resolve the Construction Truss Design Code Nonconformances (2 pages follow) | |||
Attachment 3 Implementation Items Required to Resolve the Construction Truss Design Code Nonconformances (2 pages follow) | |||
IMPLEMENTATION ITEMS The following table identifies the regulatory items that must be completed to support implementation of the license amendment to resolve the construction truss design code nonconformances. | IMPLEMENTATION ITEMS The following table identifies the regulatory items that must be completed to support implementation of the license amendment to resolve the construction truss design code nonconformances. | ||
IMPLEMENTATION ITEMS COMPLETION DATE 1. Unit 1 Spatial Clearance Upon approval ofLAR 278 (Amd. No. 263), a modification will The modification will be be implemented to the Unit 1 construction truss to improve implemented during the fall 2020 clearance between the truss and the containment liner. The Unit 1 refueling outage (U1R39). modification includes trimming the top chord at the first panel point of six trusses, specifically trusses 1, 2, 3, 7, 8, and 15, as identified in NextEra Energy Point Beach, LLC letter NRC 2018-0014, "Construction Truss License Amendment Request 278, Response to Request for Additional Information," dated April12, 2018 (ML18102B164). | IMPLEMENTATION ITEMS COMPLETION DATE | ||
The spatial clearance modification requires approval ofLAR 278 (Amd. No. 263) prior to implementation as the small amount of material removal modifies the sectional properties of the construction truss, which impacts the available seismic margin. 2. Unit 1 Containment Pipe Support Unit 1 containment spray pipe support Sl-301R-1-H202 will The modification will be be modified to achieve additional seismic capacity. | : 1. Unit 1 Spatial Clearance Upon approval ofLAR 278 (Amd. No. 263), a modification will The modification will be be implemented to the Unit 1 construction truss to improve implemented during the fall 2020 clearance between the truss and the containment liner. The Unit 1 refueling outage (U1R39). | ||
The implemented during the fall 2020 modification will increase the size of the support's U-bolt Unit 1 refueling outage (U1R39). diameter. | modification includes trimming the top chord at the first panel point of six trusses, specifically trusses 1, 2, 3, 7, 8, and 15, as identified in NextEra Energy Point Beach, LLC letter NRC 2018-0014, "Construction Truss License Amendment Request 278, Response to Request for Additional Information," dated April12, 2018 (ML18102B164). | ||
: 3. Unit 1 and Unit 2 New Seismic Operating Limits NextEra will implement new seismic operating limits applicable The procedure revisions will be to Unit 1 and Unit 2 to maintain stresses in the construction performed by March 31, 2021, trusses within elastic stress limits. The applicable bounding limits following implementation of are: the modifications noted in Horizontal: | The spatial clearance modification requires approval ofLAR 278 (Amd. No. 263) prior to implementation as the small amount of material removal modifies the sectional properties of the construction truss, which impacts the available seismic margin. | ||
O.OSg Peak Ground Acceleration | : 2. Unit 1 Containment Spra~ Pipe Support Unit 1 containment spray pipe support Sl-301R-1-H202 will The modification will be be modified to achieve additional seismic capacity. The implemented during the fall 2020 modification will increase the size of the support's U-bolt Unit 1 refueling outage (U1R39). | ||
0.04g Peak Ground Acceleration The existing seismic monitors will be used to detect the new operating seismic limits. Site procedures will be revised to initiate actions to commence a controlled dual Unit backdown to hot shutdown upon reaching the specified peak ground acceleration limits. The procedure will specify that the Units may be reduced in power individually in series, rather than concurrently, to ensure station staff have the proper resources and focus on each Unit for maximum safety and operational excellence during this off-normal operation. | diameter. | ||
The procedure will also initiate inspection and/ or evaluation actions for the construction trusses, equipment supported by the trusses, and the containment liners. | : 3. Unit 1 and Unit 2 New Seismic Operating Limits NextEra will implement new seismic operating limits applicable The procedure revisions will be to Unit 1 and Unit 2 to maintain stresses in the construction performed by March 31, 2021, trusses within elastic stress limits. The applicable bounding limits following implementation of are: the modifications noted in Items 1, 2, and 4. | ||
IMPLEMENTATION ITEMS COMPLETION DATE 4. Unit 2 PORV Control Cable Protection NextEra will implement a new modification to reroute the The modification will be control cables for the Unit 2 pressurizer power operated relief implemented during the spring valve (PORV) 2RC-431C and associated block valve 2RC-515 2020 Unit 2 refueling outage to ensure they are protected from a postulated falling object. (U2R37). 5. Unit 1 and Unit 2 New Thermal OJ;1erating Limits NextEra will implement new thermal operating limits applicable to The procedure revisions will be Unit 1 and Unit 2 construction trusses and attached components performed by March 31, 2021, for any thermal excursion or occurrence resulting in exceeding following implementation of the elastic stress limits. The proposed new operational containment modifications noted in Items 1, 2, temperature limits are: and4. Unit 1: 227° F containment atmospheric temperature Unit 2: 236° F containment atmospheric temperature The station implementation of these new limits will include taking the affected Unit offline and performing an inspection and/ or evaluation, as necessary, to confirm that the construction truss' future stability during a postulated design basis accident was not compromised by the thermal occurrence. | Horizontal: O.OSg Peak Ground Acceleration Vertical: 0.04g Peak Ground Acceleration The existing seismic monitors will be used to detect the new operating seismic limits. | ||
Detection of the thermal occurrence and initiation of actions to address the new limiting values will be addressed in site procedures. | Site procedures will be revised to initiate actions to commence a controlled dual Unit backdown to hot shutdown upon reaching the specified peak ground acceleration limits. The procedure will specify that the Units may be reduced in power individually in series, rather than concurrently, to ensure station staff have the proper resources and focus on each Unit for maximum safety and operational excellence during this off-normal operation. The procedure will also initiate inspection and/ or evaluation actions for the construction trusses, equipment supported by the trusses, and the containment liners. | ||
The site procedures will be revised to initiate inspection and/ or evaluation actions prior to Unit startup for the affected Unit's construction truss, equipment supported by the truss (as necessary), and the containment liner. No new instrumentation is required to support this change. Existing station instrumentation will be utilized for containment temperature identification. | |||
: 6. Unit 1 and Unit 2 New Construction Truss Design Code Conformance Items NextEra will revise the Point Beach Units 1 and 2 UFSAR to The construction truss design code include the evaluation methods and acceptance criteria identified conformance items will be in the Table in response to RAI-1.a, in NextEra letter implemented by March 31,2021. NRC 2018-0014, dated April12, 2018. NextEra will revise the Point Beach Units 1 and 2 UFSAR to reclassify the construction truss as stated in its response to RAI-17 in NextEra letter NRC 2018-0014.}} | IMPLEMENTATION ITEMS COMPLETION DATE | ||
: 4. Unit 2 PORV Control Cable Protection NextEra will implement a new modification to reroute the The modification will be control cables for the Unit 2 pressurizer power operated relief implemented during the spring valve (PORV) 2RC-431C and associated block valve 2RC-515 2020 Unit 2 refueling outage to ensure they are protected from a postulated falling object. (U2R37). | |||
: 5. Unit 1 and Unit 2 New Thermal OJ;1erating Limits NextEra will implement new thermal operating limits applicable to The procedure revisions will be Unit 1 and Unit 2 construction trusses and attached components performed by March 31, 2021, for any thermal excursion or occurrence resulting in exceeding following implementation of the elastic stress limits. The proposed new operational containment modifications noted in Items 1, 2, temperature limits are: and4. | |||
Unit 1: 227° F containment atmospheric temperature Unit 2: 236° F containment atmospheric temperature The station implementation of these new limits will include taking the affected Unit offline and performing an inspection and/ or evaluation, as necessary, to confirm that the construction truss' future stability during a postulated design basis accident was not compromised by the thermal occurrence. | |||
Detection of the thermal occurrence and initiation of actions to address the new limiting values will be addressed in site procedures. The site procedures will be revised to initiate inspection and/ or evaluation actions prior to Unit startup for the affected Unit's construction truss, equipment supported by the truss (as necessary), and the containment liner. No new instrumentation is required to support this change. Existing station instrumentation will be utilized for containment temperature identification. | |||
: 6. Unit 1 and Unit 2 New Construction Truss Design Code Conformance Items NextEra will revise the Point Beach Units 1 and 2 UFSAR to The construction truss design code include the evaluation methods and acceptance criteria identified conformance items will be in the Table in response to RAI-1.a, in NextEra letter implemented by March 31,2021. | |||
NRC 2018-0014, dated April12, 2018. NextEra will revise the Point Beach Units 1 and 2 UFSAR to reclassify the construction truss as stated in its response to RAI-17 in NextEra letter NRC 2018-0014.}} |
Latest revision as of 00:09, 20 October 2019
ML19072A179 | |
Person / Time | |
---|---|
Site: | Point Beach ![]() |
Issue date: | 03/13/2019 |
From: | Craven R Point Beach |
To: | Document Control Desk, Office of Nuclear Reactor Regulation |
References | |
NRC 2019-0007 | |
Download: ML19072A179 (14) | |
Text
NRC 2019-0007 10 CFR 50.90 March 13,2019 ATTN: Document Control Desk U.S. Nuclear Regulatory Commission Washington, DC 20555-0001 Point Beach Nuclear Plant, Units 1 and 2 Dockets 50-266 and 50-301
Subject:
Point Beach Nuclear Plant, Units 1 and 2, License Conditions and Implementation Items Required to Resolve Construction Truss Design Code Non conformances
References:
- 1. NextEra Energy Point Beach, LLC letter NRC 2017-0017, "License Amendment Request 278, Risk-Informed Approach to Resolve Construction Truss Design Code N onconformances, " March 31, 2017 (ML17090A511)
- 2. NRC Letter, Point Beach Nuclear Plant, Units 1 and 2 -Request for Additional Information for Point Beach Nuclear Plant, Units 1 and 2, Regarding License Amendment Request to Resolve Nonconformances Relating to Containment Dome Truss (EPID L-2017-LLA-0209),January 31,2018 (ML18025C043)
- 3. NextEra Energy Point Beach, LLC letter NRC 2018-0014, "Construction Truss License Amendment Request 278, Response to Request for Additional Information," April12, 2018 (ML18102B164)
- 4. NextEra Energy Point Beach, LLC letter NRC 2018-0030, "Construction Truss License Amendment Request 278 Draft Updated Final Safety Analysis Report (UFSAR) Revision,"
May 29,2018 (ML18149A466)
- 5. NRC e-mail, "Final- Second Round RAis - Point Beach Nuclear Plant, Units 1 and 2 -
License Amendment Request to Resolve Non-conformances Relating to Containment Dome Truss- EPID L-2017-LLA-0209," August 1, 2018 (ML18214A153)
- 6. NextEra Energy Point Beach, LLC letter NRC 2018-0041, "Response to Second Round Request for Additional Information Regarding Point Beach Nuclear Plant, Units 1 and 2, License Amendment Request for Risk-Informed Approach to Resolve Construction Truss Design Code Nonconformances, (EPID L 2017-LLA-0209)," August 30,2018 (ML18242A572)
In Reference 1, supplemented by References 3, 4 and 6, NextEra Energy Point Beach, LLC (NextEra) submitted License Amendment Request (LAR) 278 to resolve legacy design code nonconformances associated with the Point Beach Units 1 and 2 containment dome construction trusses.
NextEra Energy Point Beach, LLC 6610 Nuclear Road, Two Rivers, WJ54241
Document Control Desk Page 2 In Reference 6, Attachment 2, NextEra proposed new License Conditions for the resolution of the legacy design code nonconformances. The proposed License Conditions required NextEra to complete the comprehensive list of Implementation Items identified in Reference 6, Attachment 3.
On February 14, 2019 a teleconference was held between NRC staff and NextEra to discuss the proposed License Conditions. NRC provided comments to the proposed language of the License Conditions and the list of Implementation Items. NRC also proposed the addition of a new Implementation Item to incorporate NextEra's response to RAI-1a. and RAI 17 in Reference 3.
Following this discussion, NextEra agreed to incorporate NRC's comments and to include an additional Implementation Item. to this letter contains mark-ups for the proposed revised License Conditions incorporated into Paragraph 4.I of Renewed Facility Operating License No. DPR 24 and Paragraph 4.H of Renewed Facility Operating License No. DPR 27. Once approved, the amended Licenses will be effective as of the date of issuance and shall be implemented in accordance with the requirements specified in proposed Paragraphs 4.I (DPR 24) and 4.H (DPR 27), respectively. provides the corresponding "clean" License pages. Attachment 3 provides the comprehensive list of Implementation Items with the additional Item requested by NRC.
Attachments 1 and 3 of this letter supersede Attachments 2 and 3 of Reference 6.
This supplement does not alter the conclusions in Reference 1 that the proposed change does not involve a significant hazards consideration pursuant to 10 CFR 50.92, and there are no significant environmental impacts associated with the change.
This letter contains no new or revised regulatory commitments.
Should you have any questions regarding this submittal, please contact Mr. Eric Schultz, Licensing Manager, at 920-755-7854.
I declare under penalty of perjury that the foregoing is true and correct.
Robert Craven Site Director NextEra Energy Point Beach, LLC : Point Beach Units 1 and 2 Operating Licenses- Mark-ups : Point Beach Units 1 and 2 Operating Licenses - Clean Pages : Implementation Items Required to Resolve the Construction Truss Design Code N onconformances cc: Administrator, Region III, USNRC Project Manager, Point Beach Nuclear Plant, USNRC Resident Inspector, Point Beach Nuclear Plant, USNRC Public Service Commission of Wisconsin
Attachment 1 Point Beach Units 1 and 2 Operating Licenses- Mark-ups (3 pages follow)
G. Secondary Water Chemistry Monitoring Program NextEra Energy Point Beach shall implement a secondary water chemistry monitoring program to inhibit steam generator tube degradation. This program shall include:
- 1. Identification of a sampling schedule for the critical parameters and control points for these parameters;
- 2. Identification of the procedures used to quantify parameters that are critical to control points; 3 Identification of process sampling points;
- 4. Procedure for the recording and management of data;
- 5. Procedures defining corrective actions for off control point chemistry condition; and
- 6. A procedure for identifying the authority responsible for the interpretation of the data, and the sequence and timing of administrative events required to initiate corrective action.
H. The licensee is authorized to repair Unit 1 steam generators by replacement of major components. Repairs shall be conducted in accordance with the licensee's commitments identified in the Commission approved Point Beach Nuclear Plant Unit No. 1 Steam Generator Repair Report dated August 9, 1982 and revised March 1, 1983 and additional commitments identified in the staff's related safety evaluation.
I.
J. Deleted K. All capsules in the reactor vessel that are removed and tested must meet the test procedures and reporting requirements of American Society for Testing and Materials (ASTM) E 185-82 to the extent practicable for the configuration of the specimens in the capsule. Any changes to the capsule withdrawal schedule, including spare capsules, must be approved by the NRC prior to implementation. All capsules placed in storage must be maintained for future insertion. Any changes to storage requirements must be approved by the NRC, as required by 10 CFR Part 50, Appendix H.
L. Mitigation Strategy Strategies shall be developed and maintained for addressing large fires and explosions that include the following key areas:
- 1. Fire fighting response strategy with the following elements:
- a. Pre-defined coordinated fire response strategy and guidance
- b. Assessment of mutual aid fire fighting assets
- c. Designated staging areas for equipment and materials
- d. Command and control
- e. Training of response personnel Renewed License No. DPR-24 Amendment No. ~
H. Deleted I. Deleted J. All capsules in the reactor vessel that are removed and tested must meet the test procedures and reporting requirements of American Society for Testing and Materials (ASTM) E 185-82 to the extent practicable for the configuration of the specimens in the capsule. Any changes to the capsule withdrawal schedule, including spare capsules, must be approved by the NRC prior to implementation. All capsules placed in storage must be maintained for future insertion. Any changes to storage requirements must be approved by the NRC, as required by 10 CFR Part 50, Appendix H.
K. Mitigation Strategy Strategies shall be developed and maintained for addressing large fires and explosions that include the following key areas:
- 1. Fire fighting response strategy with the following elements:
- a. Pre-defined coordinated fire response strategy and guidance
- b. Assessment of mutual aid fire fighting assets
- c. Designated staging areas for equipment and materials
- d. Command and control
- e. Training of response personnel
- 2. Operations to mitigate fuel damage considering the following:
- a. Protection and use of personnel assets
- b. Communications
- c. Minimizing fire spread
- d. Procedures for implementing integrated fire response strategy
- e. Identification of readily-available pre-staged equipment
- f. Training on integrated fire response strategy
- g. Spent fuel pool mitigation measures
- 3. Actions to minimize release to include consideration of:
- a. Water spray scrubbing
- b. Dose to onsite responders Renewed License No. DPR-27 Amendment No. ~
PB Unit 1 License Insert Containment Building Construction Truss NextEra Energy Point Beach shall complete implementation items 1, 2, 3, 5, and 6 included in Attachment 3 of licensee letter NRC 2019-0007, dated March 13,2019, by the completion date specified in the Attachment.
PB Unit 2 License Insert Containment Building Construction Truss NextEra Energy Point Beach shall complete implementation items 3, 4, 5, and 6 included in Attachment 3 of licensee letter NRC 2019-0007, dated March 13, 2019, by the completion date specified in the Attachment.
Attachment 2 Point Beach Units 1 and 2 Operating Licenses- Clean Pages (4 pages follow)
G. Secondary Water Chemistry Monitoring Program NextEra Energy Point Beach shall implement a secondary water chemistry monitoring program to inhibit steam generator tube degradation. This program shall include:
- 1. Identification of a sampling schedule for the critical parameters and control points for these parameters;
- 2. Identification of the procedures used to quantify parameters that are critical to control points; 3 Identification of process sampling points;
- 4. Procedure for the recording and management of data;
- 5. Procedures defining corrective actions for off control point chemistry condition; and
- 6. A procedure for identifying the authority responsible for the interpretation of the data, and the sequence and timing of administrative events required to initiate corrective action.
H. The licensee is authorized to repair Unit 1 steam generators by replacement of major components. Repairs shall be conducted in accordance with the licensee's commitments identified in the Commission approved Point Beach Nuclear Plant Unit No. 1 Steam Generator Repair Report dated August 9, 1982 and revised March 1, 1983 and additional commitments identified in the staff's related safety evaluation.
I. Containment Building Construction Truss NextEra Energy Point Beach shall complete implementation items 1, 2, 3, 5, and 6 included in Attachment 3 of licensee letter NRC 2019-0007, dated March 13, 2019, by the completion date specified in the Attachment.
J. Deleted K. All capsules in the reactor vessel that are removed and tested must meet the test procedures and reporting requirements of American Society for Testing and Materials (ASTM) E 185-82 to the extent practicable for the configuration of the specimens in the capsule. Any changes to the capsule withdrawal schedule, including spare capsules, must be approved by the NRC prior to implementation. All capsules placed in storage must be maintained for future insertion. Any changes to storage requirements must be approved by the NRC, as required by 10 CFR Part 50, Appendix H.
L. Mitigation Strategy Strategies shall be developed and maintained for addressing large fires and explosions that include the following key areas:
- 1. Fire fighting response strategy with the following elements:
- a. Pre-defined coordinated fire response strategy and guidance
- b. Assessment of mutual aid fire fighting assets Renewed License No. DPR-24 Amendment No. 263
- c. Designated staging areas for equipment and materials
- d. Command and control
- e. Training of response personnel
- 2. Operations to mitigate fuel damage considering the following:
- a. Protection and use of personnel assets
- b. Communications
- c. Minimizing fire spread
- d. Procedures for implementing integrated fire response strategy
- e. Identification of readily-available pre-staged equipment
- f. Training on integrated fire response strategy
- g. Spent fuel pool mitigation measures
- 3. Actions to minimize release to include consideration of:
- a. Water spray scrubbing
- b. Dose to onsite responders M. Additional Conditions The additional conditions contained in Appendix C, as revised through Amendment No. 241, are hereby incorporated into this license. NextEra Energy Point Beach shall operate the facility in accordance with the additional conditions.
- 5. The issuance of this renewed operating license is without prejudice to subsequent licensing action which may be taken by the Commission with regard to the ongoing rulemaking hearing on the Interim Acceptance Criteria for Emergency Core Cooling Systems (Docket No. RM 50-1).
- 6. This renewed operating license is effective as of the date of issuance, and shall expire at midnight on October 5, 2030.
FOR THE NUCLEAR REGULATORY COMMISSION Original Signed By R. W. Borchardt, Deputy Director Office of Nuclear Reactor Regulation Attachments:
- 1. Appendix A- Technical Specifications
- 2. Appendix B- Environmental Technical Specifications
- 3. Appendix C - Additional Conditions Date of Issuance: December 22, 2005 Renewed License No. DPR-24 Amendment No. 258
H. Containment Building Construction Truss NextEra Energy Point Beach shall complete implementation items 3, 4, 5, and 6 included in Attachment 3 of licensee letter NRC 2019-0007, dated March 13, 2019, by the completion date specified in the Attachment.
I. Deleted J. All capsules in the reactor vessel that are removed and tested must meet the test procedures and reporting requirements of American Society for Testing and Materials (ASTM) E 185-82 to the extent practicable for the configuration of the specimens in the capsule. Any changes to the capsule withdrawal schedule, including spare capsules, must be approved by the NRC prior to implementation. All capsules placed in storage must be maintained for future insertion. Any changes to storage requirements must be approved by the NRC, as required by 10 CFR Part 50, Appendix H.
K. Mitigation Strategy Strategies shall be developed and maintained for addressing large fires and explosions that include the following key areas:
- 1. Fire fighting response strategy with the following elements:
- a. Pre-defined coordinated fire response strategy and guidance
- b. Assessment of mutual aid fire fighting assets
- c. Designated staging areas for equipment and materials
- d. Command and control
- e. Training of response personnel
- 2. Operations to mitigate fuel damage considering the following:
- a. Protection and use of personnel assets
- b. Communications
- c. Minimizing fire spread
- d. Procedures for implementing integrated fire response strategy
- e. Identification of readily-available pre-staged equipment
- f. Training on integrated fire response strategy
- g. Spent fuel pool mitigation measures
- 3. Actions to minimize release to include consideration of:
- a. Water spray scrubbing
- b. Dose to onsite responders Renewed License No. DPR-27 Amendment No. 266
L. Additional Conditions The additional conditions contained in Appendix C, as revised through Amendment No. 245, are hereby incorporated into this license. NextEra Energy Point Beach shall operate the facility in accordance with the additional conditions.
- 5. The issuance of this renewed operating license is without prejudice to subsequent licensing action which may be taken by the Commission with regard to the ongoing rulemaking hearing on the Interim Acceptance Criteria for Emergency Core Cooling Systems (Docket No. RM 50-1).
- 6. This renewed operating license is effective as of the date of issuance, and shall expire at midnight on March 8, 2033.
FOR THE NUCLEAR REGULATORY COMMISSION Original Signed By R. W. Borchardt, Deputy Director Office of Nuclear Reactor Regulation Attachments:
- 1. Appendix A -Technical Specifications
- 2. Appendix B- Environmental Technical Specifications
- 3. Appendix C - Additional Conditions Date of Issuance: December 22, 2005 Renewed License No. DPR-27 Amendment No. 262
Attachment 3 Implementation Items Required to Resolve the Construction Truss Design Code Nonconformances (2 pages follow)
IMPLEMENTATION ITEMS The following table identifies the regulatory items that must be completed to support implementation of the license amendment to resolve the construction truss design code nonconformances.
IMPLEMENTATION ITEMS COMPLETION DATE
- 1. Unit 1 Spatial Clearance Upon approval ofLAR 278 (Amd. No. 263), a modification will The modification will be be implemented to the Unit 1 construction truss to improve implemented during the fall 2020 clearance between the truss and the containment liner. The Unit 1 refueling outage (U1R39).
modification includes trimming the top chord at the first panel point of six trusses, specifically trusses 1, 2, 3, 7, 8, and 15, as identified in NextEra Energy Point Beach, LLC letter NRC 2018-0014, "Construction Truss License Amendment Request 278, Response to Request for Additional Information," dated April12, 2018 (ML18102B164).
The spatial clearance modification requires approval ofLAR 278 (Amd. No. 263) prior to implementation as the small amount of material removal modifies the sectional properties of the construction truss, which impacts the available seismic margin.
- 2. Unit 1 Containment Spra~ Pipe Support Unit 1 containment spray pipe support Sl-301R-1-H202 will The modification will be be modified to achieve additional seismic capacity. The implemented during the fall 2020 modification will increase the size of the support's U-bolt Unit 1 refueling outage (U1R39).
diameter.
- 3. Unit 1 and Unit 2 New Seismic Operating Limits NextEra will implement new seismic operating limits applicable The procedure revisions will be to Unit 1 and Unit 2 to maintain stresses in the construction performed by March 31, 2021, trusses within elastic stress limits. The applicable bounding limits following implementation of are: the modifications noted in Items 1, 2, and 4.
Horizontal: O.OSg Peak Ground Acceleration Vertical: 0.04g Peak Ground Acceleration The existing seismic monitors will be used to detect the new operating seismic limits.
Site procedures will be revised to initiate actions to commence a controlled dual Unit backdown to hot shutdown upon reaching the specified peak ground acceleration limits. The procedure will specify that the Units may be reduced in power individually in series, rather than concurrently, to ensure station staff have the proper resources and focus on each Unit for maximum safety and operational excellence during this off-normal operation. The procedure will also initiate inspection and/ or evaluation actions for the construction trusses, equipment supported by the trusses, and the containment liners.
IMPLEMENTATION ITEMS COMPLETION DATE
- 4. Unit 2 PORV Control Cable Protection NextEra will implement a new modification to reroute the The modification will be control cables for the Unit 2 pressurizer power operated relief implemented during the spring valve (PORV) 2RC-431C and associated block valve 2RC-515 2020 Unit 2 refueling outage to ensure they are protected from a postulated falling object. (U2R37).
- 5. Unit 1 and Unit 2 New Thermal OJ;1erating Limits NextEra will implement new thermal operating limits applicable to The procedure revisions will be Unit 1 and Unit 2 construction trusses and attached components performed by March 31, 2021, for any thermal excursion or occurrence resulting in exceeding following implementation of the elastic stress limits. The proposed new operational containment modifications noted in Items 1, 2, temperature limits are: and4.
Unit 1: 227° F containment atmospheric temperature Unit 2: 236° F containment atmospheric temperature The station implementation of these new limits will include taking the affected Unit offline and performing an inspection and/ or evaluation, as necessary, to confirm that the construction truss' future stability during a postulated design basis accident was not compromised by the thermal occurrence.
Detection of the thermal occurrence and initiation of actions to address the new limiting values will be addressed in site procedures. The site procedures will be revised to initiate inspection and/ or evaluation actions prior to Unit startup for the affected Unit's construction truss, equipment supported by the truss (as necessary), and the containment liner. No new instrumentation is required to support this change. Existing station instrumentation will be utilized for containment temperature identification.
- 6. Unit 1 and Unit 2 New Construction Truss Design Code Conformance Items NextEra will revise the Point Beach Units 1 and 2 UFSAR to The construction truss design code include the evaluation methods and acceptance criteria identified conformance items will be in the Table in response to RAI-1.a, in NextEra letter implemented by March 31,2021.
NRC 2018-0014, dated April12, 2018. NextEra will revise the Point Beach Units 1 and 2 UFSAR to reclassify the construction truss as stated in its response to RAI-17 in NextEra letter NRC 2018-0014.