|
|
Line 40: |
Line 40: |
| * A description of how the implementation schedule will be tracked.2.0 Summary of Current Multi-Unit/Multi-Source Capability Seabrook Station's dose assessment model, RADDOSE V is capable of multi source dose assessment. | | * A description of how the implementation schedule will be tracked.2.0 Summary of Current Multi-Unit/Multi-Source Capability Seabrook Station's dose assessment model, RADDOSE V is capable of multi source dose assessment. |
| In addition to calculating dose from the installed plant effluent release paths, RADDOSE V provides the capability of calculating the source term from a grab isotopic sample, field team monitoring data (for Unmonitored release), or direct input of a release rate. The model provides for up to 5 release paths per time step.Dose assessment input data is available both manually and automatically from the plant process computer. | | In addition to calculating dose from the installed plant effluent release paths, RADDOSE V provides the capability of calculating the source term from a grab isotopic sample, field team monitoring data (for Unmonitored release), or direct input of a release rate. The model provides for up to 5 release paths per time step.Dose assessment input data is available both manually and automatically from the plant process computer. |
| The dose assessment software is located on multiple computers and in the absence of a plant data feed, manual input can be used.3.0 Interim Measures Based on the evaluation discussed in Section 2.0 above, no interim actions are required for Seabrook Station. | | The dose assessment software is located on multiple computers and in the absence of a plant data feed, manual input can be used.3.0 Interim Measures Based on the evaluation discussed in Section 2.0 above, no interim actions are required for Seabrook Station. |
| 4.0 Permanent Solution Based on the evaluation discussed in Section 2.0 above, no interim actions are required for Seabrook Station.5.0 Schedule Based on the evaluation discussed in Section 2.0 above, no interim actions are required for Seabrook Station.6.0 References | | |
| | ===4.0 Permanent=== |
| | |
| | Solution Based on the evaluation discussed in Section 2.0 above, no interim actions are required for Seabrook Station.5.0 Schedule Based on the evaluation discussed in Section 2.0 above, no interim actions are required for Seabrook Station.6.0 References |
| : 1. US NRC's Fukushima Near-Term Task Force Report, "Recommendations for Enhancing Reactor Safety in the 21st Century," dated July 12, 2011 (ADAMS Accession No. ML 112510271). | | : 1. US NRC's Fukushima Near-Term Task Force Report, "Recommendations for Enhancing Reactor Safety in the 21st Century," dated July 12, 2011 (ADAMS Accession No. ML 112510271). |
| : 2. NEI letter to NRC, "Industry Implementation of Multi-Unit Dose Assessment Capability," dated January 28, 2013 (ADAMS Accession No. ML13028A200). | | : 2. NEI letter to NRC, "Industry Implementation of Multi-Unit Dose Assessment Capability," dated January 28, 2013 (ADAMS Accession No. ML13028A200). |
| : 3. NRC letter to NEI requesting additional details on multi-unit dose assessment capability, dated February 27, 2013 (ADAMS Accession No. ML13029A632). | | : 3. NRC letter to NEI requesting additional details on multi-unit dose assessment capability, dated February 27, 2013 (ADAMS Accession No. ML13029A632). |
| : 4. NEI letter to NRC, "Commitment for Implementation of Multi-Unit Dose Assessment Capability," dated March 14, 2013 (ADAMS Accession No. ML13073A522).}} | | : 4. NEI letter to NRC, "Commitment for Implementation of Multi-Unit Dose Assessment Capability," dated March 14, 2013 (ADAMS Accession No. ML13073A522).}} |
|
---|
Category:Letter
MONTHYEARL-2024-137, Second Supplement to NextEra Energy Seabrook, LLC, Letter L-2024-108, “Response to Request for Additional Information (RAI) Regarding One Time Extension to Technical Specification 3.8.1.1.a, Allowed Outage Time with One Independent .2024-08-12012 August 2024 Second Supplement to NextEra Energy Seabrook, LLC, Letter L-2024-108, “Response to Request for Additional Information (RAI) Regarding One Time Extension to Technical Specification 3.8.1.1.a, Allowed Outage Time with One Independent . IR 05000443/20240022024-08-0606 August 2024 Integrated Inspection Report 05000443/2024002 and Independent Spent Fuel Storage Installation Inspection Report 07200063/2024001 ML24163A0012024-08-0505 August 2024 LTR-24-0119-1-1 Response to Nh Letter Regarding Review of NextEras Emergency Preparedness Amendment Review L-2024-127, Supplement to Letter L-2024-108, “Response to Request for Additional Information (RAI) Regarding One Time Extension to Technical Specification 3.8.1.1.a, Allowed Outage Time with One Independent2024-08-0505 August 2024 Supplement to Letter L-2024-108, “Response to Request for Additional Information (RAI) Regarding One Time Extension to Technical Specification 3.8.1.1.a, Allowed Outage Time with One Independent L-2024-125, Notice of Intent to Provide Supplemental Information to License Amendment Request to Adopt Common Emergency Plan with Site-Specific Annexes2024-07-24024 July 2024 Notice of Intent to Provide Supplemental Information to License Amendment Request to Adopt Common Emergency Plan with Site-Specific Annexes L-2024-108, Response to Request for Additional Information (RAI) Regarding One Time Extension to Technical Specification 3.8.1.1.a, Allowed Outage Time with One Independent Circuit Between the Offsite.2024-07-16016 July 2024 Response to Request for Additional Information (RAI) Regarding One Time Extension to Technical Specification 3.8.1.1.a, Allowed Outage Time with One Independent Circuit Between the Offsite. ML24193A2432024-07-12012 July 2024 – Interim Audit Summary Report in Support of Review of License Amendment Requests Regarding Fleet Emergency Plan L-2024-114, Quality Assurance Topical Report (FPL-1 Revision 31 Annual Submittal2024-07-10010 July 2024 Quality Assurance Topical Report (FPL-1 Revision 31 Annual Submittal L-2024-102, Official Service List Update2024-06-19019 June 2024 Official Service List Update ML24149A2862024-06-12012 June 2024 NextEra Fleet - Proposed Alternative Frr 23-01 to Use ASME Code Case N-752-1, Risk-Informed Categorization and Treatment for Repair/Replacement Activities in Class 2 and 3 Systems Section X1, Division 1 (EPID L-2023-LLR-0009) - Letter L-2024-098, Preparation and Scheduling of Operator Licensing Examinations2024-06-12012 June 2024 Preparation and Scheduling of Operator Licensing Examinations L-2024-084, Relief Request 4A-01, Rev 1 - Revision to Relief Request for Examination of Control Rod Drive Mechanism (Rod) Housing H-4 Canopy Seal Weld2024-05-30030 May 2024 Relief Request 4A-01, Rev 1 - Revision to Relief Request for Examination of Control Rod Drive Mechanism (Rod) Housing H-4 Canopy Seal Weld IR 05000443/20240102024-05-29029 May 2024 Biennial Problem Identification and Resolution Inspection Report 05000443/2024010 IR 05000443/20240112024-05-24024 May 2024 Age-Related Degradation Inspection Report 05000443/2024011 IR 05000443/20240012024-05-13013 May 2024 Integrated Inspection Report 05000443/2024001 L-2024-061, NextEra Energy Seabrook, LLC, License Amendment Request - One Time Extension to Technical Specification 3.8.1.1.a, Allowed Outage Time with One Independent Circuit Between the Offsite Transmission Network and the Onsite Class 1E Distribut2024-05-10010 May 2024 NextEra Energy Seabrook, LLC, License Amendment Request - One Time Extension to Technical Specification 3.8.1.1.a, Allowed Outage Time with One Independent Circuit Between the Offsite Transmission Network and the Onsite Class 1E Distributio ML24046A0512024-05-0707 May 2024 Issuance of Amendment No. 174 to Update the Period of Applicability (Poa) for the Pressure-Temperature Limits (PTL) and Low Temperature Overpressure Protection (LTOP) Curves ML24127A0632024-05-0606 May 2024 Supplemental Information to License Amendment Request to Adopt Common Emergency Plan with Site-Specific Annexes L-2024-078, 2023 Annual Radioactive Effluent Release Report2024-05-0101 May 2024 2023 Annual Radioactive Effluent Release Report L-2024-077, 2023 Annual Radiological Environmental Operating Report2024-04-30030 April 2024 2023 Annual Radiological Environmental Operating Report IR 05000443/20245012024-04-22022 April 2024 Emergency Preparedness Biennial Exercise Inspection Report 05000443/2024501 SBK-L-24030, 2023 Annual Environmental Operating Report2024-04-12012 April 2024 2023 Annual Environmental Operating Report L-2024-011, and Point Beach, Units 1 and 2 - 10 CFR 50.46 Annual Reporting of Changes to, or Errors in Emergency Core Cooling System Models or Applications2024-03-13013 March 2024 and Point Beach, Units 1 and 2 - 10 CFR 50.46 Annual Reporting of Changes to, or Errors in Emergency Core Cooling System Models or Applications ML24067A2622024-03-0808 March 2024 Issuance of Amendment No. 173 Revise Technical Specification 3/4.8.1 to Allow Replacement of Reserve Auxiliary Transformer (Emergency Circumstances) L-2024-038, to Seabrook Emergency License Amendment Request - One Time Extension to Technical Specifications (TS) 3/4.8.1 Action a.3 Allowed Outage Time for an Inoperable Offsite Source2024-03-0808 March 2024 to Seabrook Emergency License Amendment Request - One Time Extension to Technical Specifications (TS) 3/4.8.1 Action a.3 Allowed Outage Time for an Inoperable Offsite Source L-2024-037, to Seabrook Emergency License Amendment Request - One Time Extension to Technical Specifications (TS) 3/4.8.1 Action a.3 Allowed Outage Time for an Inoperable Offsite Source2024-03-0606 March 2024 to Seabrook Emergency License Amendment Request - One Time Extension to Technical Specifications (TS) 3/4.8.1 Action a.3 Allowed Outage Time for an Inoperable Offsite Source L-2024-035, Supplement to Seabrook Emergency License Amendment Request - One Time Extension to Technical Specifications (TS) 3/4.8.1 Action a.3 Allowed Outage Time for an Inoperable Offsite Source2024-03-0505 March 2024 Supplement to Seabrook Emergency License Amendment Request - One Time Extension to Technical Specifications (TS) 3/4.8.1 Action a.3 Allowed Outage Time for an Inoperable Offsite Source ML24065A2522024-03-0505 March 2024 Notice of Enforcement Discretion for Seabrook Station, Unit No. 1 (EPID: L-2024-033) L-2024-032, Emergency License Amendment Request- One Time Extension to Technical Specifications (TS) 3/4.8.1 Action a.3 Allowed Outage Time for an Inoperable Offsite Source2024-03-0404 March 2024 Emergency License Amendment Request- One Time Extension to Technical Specifications (TS) 3/4.8.1 Action a.3 Allowed Outage Time for an Inoperable Offsite Source L-2024-033, Request for Enforcement Discretion - Technical Specification (TS) 3/4.8.1.1 Ac. Sources Required Action Completion Time to Replace ED-X-3-B2024-03-0404 March 2024 Request for Enforcement Discretion - Technical Specification (TS) 3/4.8.1.1 Ac. Sources Required Action Completion Time to Replace ED-X-3-B ML24065A2892024-02-28028 February 2024 Relief Request 4A-01- Request for an Alternative to the Requirements of the ASME Code for Examination of Control Rod Drive Mechanism (Rod) Housing H-4 Canopy Seal Weld IR 05000443/20230062024-02-28028 February 2024 Annual Assessment Letter for Seabrook Station (Report 05000443/2023006) L-2024-016, Radiological Emergency Plan (Ssrep), Revision 822024-02-13013 February 2024 Radiological Emergency Plan (Ssrep), Revision 82 IR 05000443/20230042024-02-12012 February 2024 Integrated Inspection Report 05000443/2023004 ML24009A1152024-01-29029 January 2024 Exemption from Select Requirements of 10 CFR Part 73 (EPID L 2023 LLE-0043 (Security Notifications, Reports, and Recordkeeping and Suspicious Activity Reporting)) L-2024-010, Point Units 3 and 4, Seabrook, Duane Arnold, and Point Beach Units 1 and 2, Nuclear Property Insurance - 10 CFR 50.54(w)(3)2024-01-25025 January 2024 Point Units 3 and 4, Seabrook, Duane Arnold, and Point Beach Units 1 and 2, Nuclear Property Insurance - 10 CFR 50.54(w)(3) ML24022A0652024-01-22022 January 2024 Senior Reactor and Reactor Operator Initial License Examinations L-2024-003, NextEra Energy Seabrook, LLC - 10 CFR 50.46 - Emergency Core Cooling System LBLOCA 30-Day Report2024-01-11011 January 2024 NextEra Energy Seabrook, LLC - 10 CFR 50.46 - Emergency Core Cooling System LBLOCA 30-Day Report ML23312A1822023-12-22022 December 2023 Issuance of Amendment No. 172 Revision to Cooling Tower Service Water Loop or Cell Requirements L-2023-173, Quality Assurance Topical Report (FPL-1) Revision 30 Update2023-12-15015 December 2023 Quality Assurance Topical Report (FPL-1) Revision 30 Update L-2023-180, Submittal of Changes to the Technical Specification Bases2023-12-13013 December 2023 Submittal of Changes to the Technical Specification Bases L-2023-177, Supplement to Seabrook Exemption Request Regarding Enhanced Weapons, Firearms Background Checks, and Security Event Notifications Final Rule2023-11-29029 November 2023 Supplement to Seabrook Exemption Request Regarding Enhanced Weapons, Firearms Background Checks, and Security Event Notifications Final Rule L-2023-155, Supplement to Response to Request for Additional Information, Revised NextEra Common Emergency Plan, and Revised Site-Specific Emergency Plan Annexes Regarding License Amendment Request for Common Emergency Plan Consistent with NUREG-06542023-11-28028 November 2023 Supplement to Response to Request for Additional Information, Revised NextEra Common Emergency Plan, and Revised Site-Specific Emergency Plan Annexes Regarding License Amendment Request for Common Emergency Plan Consistent with NUREG-0654, L-2023-160, Part 73 Exemption Request Regarding Enhanced Weapons, Firearms, Background Checks, and Security Event Notifications Final Rule2023-11-16016 November 2023 Part 73 Exemption Request Regarding Enhanced Weapons, Firearms, Background Checks, and Security Event Notifications Final Rule ML23318A0772023-11-14014 November 2023 Request for Information and Notification of Conduct of IP 71111.21.N.04, Age-Related Degradation, Reference Inspection Report 05000443/2024011 IR 05000443/20234032023-11-0707 November 2023 Security Baseline Inspection Report 05000443/2023403 and Independent Spent Fuel Storage Installation 07200063/2023401 IR 05000443/20230032023-11-0606 November 2023 Integrated Inspection Report 05000443/2023003 IR 05000443/20230102023-10-19019 October 2023 Triennial Fire Protection Inspection Report 05000443/2023010 ML23346A1322023-10-0606 October 2023 Communication from C-10 Research & Education Foundation Regarding NextEra Common Emergency Fleet Plan License Amendment Request and Related Documents Subsequently Published ML23275A0522023-10-0202 October 2023 Requalification Program Inspection 2024-08-06
[Table view] |
Text
.. era ENER SEABROOK June 18, 2013 SBK-L-13111 Docket No. 50-443 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555-0001 Seabrook Station Response Regarding Implementation of Multi-Unit Dose Assessment Capability
References:
- 1. US NRC's Fukushima Near-Term Task Force Report, "Recommendations for Enhancing Reactor Safety in the 21st Century," dated July 12, 2011 (ADAMS Accession No. ML 112510271).
- 2. Nuclear Energy Institute (NEI) letter to NRC, "Industry Implementation of Multi-unit Dose Assessment Capability," dated January 28, 2013 (ADAMS Accession No. ML13028A200).
- 3. NRC letter to NEI requesting additional details on multi-unit dose assessment capability dated February 27, 2013 (ADAMS Accession No. ML13029A632).
- 4. NEI letter to NRC, "Commitment for Implementation of Multi-Unit Dose Assessment Capability," dated March 14, 2013 (ADAMS Accession No. ML13073A522).
The NRC Fukushima Near-Term Task Force (NTTF) Report (Reference
- 1) dated July 12, 2011, discussed the gap in capability for US commercial nuclear power plants to perform multi-unit dose assessments.
In January 2013, the Nuclear Energy Institute (NEI) provided to the NRC (Reference
- 2) survey results regarding licensees' capabilities to perform multi-unit dose assessments, implementation time frames to obtain multi-unit dose assessment capability, and compensatory measures for the interim period. In Reference 3, the NRC requested further detailed information regarding the current and the anticipated capabilities of sites to perform multi-unit dose assessment.
NEI informed the NRC in Reference 4 that the industry had elected to provide the requested details directly to the NRC staff.NextEra Energy Seabrook, LLC, P.O. Box 300, Lafayette Road, Seabrook, NH 03874 SBK-L-131 11 Page 2 NextEra Energy Resources Seabrook, LLC (NextEra Energy Seabrook) is providing the requested details on behalf of Seabrook Station. The enclosure to this letter includes discussion of the current capability to perform multi-source dose assessments, the interim compensatory measures for this capability, and the final permanent solution.This letter does not contain regulatory commitments.
Should you have any questions concerning the technical content of this letter, please contact Mr. David Currier, Emergency Preparedness Manager at (603) 773-7490.If you have any questions regarding this letter, please contact Mr. Michael O'Keefe, Licensing Manager at (603) 773-7745.Sincerely, NextEra Energy Seabrook, LLC Kevin T. Walsh Site Vice President SBK-L-13111 Page 3 cc: NRC Region I Administrator NRC Project Manager, Project Directorate 1-2 NRC Senior Resident Inspector Ms. Sue Perkins-Grew, Nuclear Energy Institute Homeland Security and Emergency Management New Hampshire Department of Safety Division of Homeland Security and Emergency Management Bureau of Emergency Management 33 Hazen Drive Concord, NH 03305 Mr. John Giarrusso, Jr., Nuclear Preparedness Manager The Commonwealth of Massachusetts Emergency Management Agency 400 Worcester Road Framingham, MA 01702-5399 Enclosure Seabrook Station Implementation of Multi-Unit/Multi-Source Dose Assessment Capability
1.0 Introduction
The NRC Fukushima Near-Term Task Force (NTTF) Report (Reference
- 1) dated July 12, 2011, discussed the gap in capability for US commercial nuclear power plants to perform multi-unit dose assessments.
In January 2013, the Nuclear Energy Institute (NEI) sent a letter to NRC (Reference
- 2) that reported survey results regarding licensees' current capabilities to perform multi-unit dose assessments.
The NEI letter also discussed licensees' expected implementation time frames and compensatory measures for the interim period. In Reference 3, the NRC requested further detailed information regarding the current and anticipated capabilities of sites to perform multi-unit dose assessments.
NEI informed the NRC in Reference 4 that the industry had elected to provide the requested details directly to the NRC staff. The requested details were to include:* A sumrnary of the current capability to perform multi-unit/multi-source dose assessment.
- The anticipated schedule to establish the capability on an interim and/or permanent basis.* Due dates associated with each key schedule action or milestone.
- A description of how the implementation schedule will be tracked.2.0 Summary of Current Multi-Unit/Multi-Source Capability Seabrook Station's dose assessment model, RADDOSE V is capable of multi source dose assessment.
In addition to calculating dose from the installed plant effluent release paths, RADDOSE V provides the capability of calculating the source term from a grab isotopic sample, field team monitoring data (for Unmonitored release), or direct input of a release rate. The model provides for up to 5 release paths per time step.Dose assessment input data is available both manually and automatically from the plant process computer.
The dose assessment software is located on multiple computers and in the absence of a plant data feed, manual input can be used.3.0 Interim Measures Based on the evaluation discussed in Section 2.0 above, no interim actions are required for Seabrook Station.
4.0 Permanent
Solution Based on the evaluation discussed in Section 2.0 above, no interim actions are required for Seabrook Station.5.0 Schedule Based on the evaluation discussed in Section 2.0 above, no interim actions are required for Seabrook Station.6.0 References
- 1. US NRC's Fukushima Near-Term Task Force Report, "Recommendations for Enhancing Reactor Safety in the 21st Century," dated July 12, 2011 (ADAMS Accession No. ML 112510271).
- 2. NEI letter to NRC, "Industry Implementation of Multi-Unit Dose Assessment Capability," dated January 28, 2013 (ADAMS Accession No. ML13028A200).
- 3. NRC letter to NEI requesting additional details on multi-unit dose assessment capability, dated February 27, 2013 (ADAMS Accession No. ML13029A632).
- 4. NEI letter to NRC, "Commitment for Implementation of Multi-Unit Dose Assessment Capability," dated March 14, 2013 (ADAMS Accession No. ML13073A522).