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| | number = ML14168A242 | | | number = ML14168A242 |
| | issue date = 06/28/2014 | | | issue date = 06/28/2014 |
| | title = Salem Nuclear Generating Station, Units 1 and 2 - Request for Additional Information Regarding Flooding Hazard Reevaluation (TAC Nos. MF3790 and MF3791) | | | title = Request for Additional Information Regarding Flooding Hazard Reevaluation |
| | author name = Lamb J G | | | author name = Lamb J |
| | author affiliation = NRC/NRR/DORL/LPLI-2 | | | author affiliation = NRC/NRR/DORL/LPLI-2 |
| | addressee name = Joyce T | | | addressee name = Joyce T |
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| | docket = 05000272, 05000311 | | | docket = 05000272, 05000311 |
| | license number = DPR-070, DPR-075 | | | license number = DPR-070, DPR-075 |
| | contact person = Lamb J G | | | contact person = Lamb J |
| | case reference number = TAC MF3790, TAC MF3791 | | | case reference number = TAC MF3790, TAC MF3791 |
| | document type = Letter, Request for Additional Information (RAI) | | | document type = Letter, Request for Additional Information (RAI) |
| | page count = 7 | | | page count = 7 |
| | project = TAC:MF3790, TAC:MF3791 | | | project = TAC:MF3790, TAC:MF3791 |
| | stage = Other | | | stage = RAI |
| }} | | }} |
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| =Text= | | =Text= |
| {{#Wiki_filter:UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 Mr. Thomas Joyce President and Chief Nuclear Officer PSEG Nuclear LLC P.O. Box 236, N09 Hancocks Bridge, NJ 08038 June 28, 2014 SUBJECT: SALEM NUCLEAR GENERATING STATION, UNITS 1 AND 2-REQUEST FOR ADDITIONAL INFORMATION REGARDING FLOODING HAZARD REEVALUATION (TAC NOS. MF3790 AND MF3791) Dear Mr. Joyce: On March 12, 2012, the U.S. Nuclear Regulatory Commission (NRC) issued a request for information (Agencywide Documents Access and Management System (ADAMS) Accession No. ML 12053A340) pursuant to Title 10 of the Code of Federal Regulations Section 50.54(f) (10 CFR 50.54(f)) to PSEG Nuclear LLC (PSEG), associated with Near-Term Task Force (NTTF) Recommendation 2.1 for flooding. The 10 CFR 50.54(f) letter included a request for licensees under 10 CFR Part 50 to reevaluate the flood hazards at their sites against present-day regulatory guidance and methodologies being used for Early Site Permit (ESP) and Combined License reviews. On May 11, 2012 (ADAMS Accession No. ML 12097 A509), the NRC issued a prioritization plan that established an external flooding hazard reevaluation schedule for each licensee. The NRC's prioritization plan initially placed Salem Nuclear Generating Station (Salem), Units 1 and 2 in Category 1, establishing a flood hazard reevaluation due date of March 12, 2013, because Salem is co-located with an ESP site. As described in PSEG's extension request letter dated March 12, 2013 (ADAMS Accession No. ML 13072A033), changing NRC expectations regarding storm surge modeling methods prompted PSEG to reanalyze hurricane-related events in support of the ESP application. The storm surge reanalysis resulted in an impact to the Salem flood hazard reevaluation schedule. By letter dated April12, 2013 (ADAMS Accession No. ML 13095A281 ), the NRC approved PSEG's request to extend the Salem flood hazard reevaluation submittal due date to March 12, 2014. By letter dated March 11, 2014 (ADAMS Accession No. ML 14071A401), PSEG provided the requested flood hazard reevaluation for Salem. The NRC staff has reviewed the Salem flood hazard reevaluation by PSEG and determined that additional information is needed as set forth in the enclosure. On May 30, 2014, the draft questions were sent to Mr. Paul Duke of your staff, to ensure that the questions were understandable, the regulatory basis for the questions was clear, and to determine if the information was previously docketed. On June 9, 2014, a conference call was held to clarify the questions. On June 16, 2014, Mr. Brian Thomas of your staff indicated that PSEG will submit a response to questions 1 through 4 within 30 days of the date of this letter, and PSEG will submit a response to question 5 within 90 days of the date of this letter. | | {{#Wiki_filter:UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 June 28, 2014 Mr. Thomas Joyce President and Chief Nuclear Officer PSEG Nuclear LLC P.O. Box 236, N09 Hancocks Bridge, NJ 08038 |
| -2-If you have any questions, please contact me at (301) 415-3100 or via e-mail at John.Lamb@nrc.gov. Docket Nos. 50-272 and 50-311 Enclosure: Request for Additional Information cc w/encl: Distribution via ListServ Sincerely, G. Lamb, Senior Project Manager t Licensing Branch 1-2 ision of Operating Reactor Licensing ice of Nuclear Reactor Regulation UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 REQUEST FOR ADDITIONAL INFORMATION RELATED TO FLOODING HAZARD REEVALUATION PSEG NUCLEAR LLC SALEM NUCLEAR GENERATING STATION, UNITS 1 AND 2 DOCKET NOS. 50-272 AND 50-311 On March 12, 2012, the U.S. Nuclear Regulatory Commission (NRC) issued a request for information (Agencywide Documents Access and Management System (ADAMS) Accession No. ML 12053A340) pursuant to Title 10 of the Code of Federal Regulations Section 50.54(f) (10 CFR 50.54(f)) to PSEG Nuclear LLC (PSEG), associated with Near-Term Task Force (NTTF) Recommendation 2.1 for flooding. The 10 CFR 50.54(f) letter included a request for licensees under 10 CFR Part 50 to reevaluate the flood hazards at their sites against present-day regulatory guidance and methodologies being used for Early Site Permit (ESP) and Combined License reviews. On May 11, 2012 (ADAMS Accession No. ML 12097 A509), the NRC issued a prioritization plan that established an external flooding hazard reevaluation schedule for each licensee. The NRC's prioritization plan initially placed Salem Nuclear Generating Station (Salem), Units 1 and 2 in Category 1, establishing a flood hazard reevaluation due date of March 12, 2013, because Salem is co-located with an ESP site. As described in PSEG's extension request letter dated March 12, 2013 (ADAMS Accession No. ML 13072A033), changing NRC expectations regarding storm surge modeling methods prompted PSEG to reanalyze hurricane-related events in support of the ESP application. The storm surge reanalysis resulted in an impact to the Salem flood hazard reevaluation schedule. By letter dated April12, 2013 (ADAMS Accession No. ML 13095A281), the NRC approved PSEG's request to extend the Salem flood hazard reevaluation submittal due date to March 12, 2014. By letter dated March 11, 2014 (ADAMS Accession No. ML 14071A401), PSEG provided the requested flood hazard reevaluation for Salem. The NRC staff has reviewed the Salem flood hazard reevaluation by PSEG and determined that additional information is needed as set forth below. REQUEST FOR ADDITIONAL INFORMATION The NRC staff requests that the licensee provide the following figures and files used in the development of the Flooding Hazard Reevaluation Report (FHRR). Input and output files are requested in their native file format (*.xlsx, *.out, etc.). Adobe Acrobat Portable Document Files (PDFs) are not requested to be submitted unless specifically requested in that format. The NRC staff also requests that the licensee provide clarification regarding the scope of, and input parameters for, the integrated assessment. Enclosure
| | |
| -2-Local Intense Precipitation, Riverine Flooding, and Dam Failure The NRC staff requests that the licensee provide the following figures and files used in the development of the FHRR: 1. Local Intense Precipitation Flood
| | ==SUBJECT:== |
| | SALEM NUCLEAR GENERATING STATION, UNITS 1 AND 2- REQUEST FOR ADDITIONAL INFORMATION REGARDING FLOODING HAZARD REEVALUATION (TAC NOS. MF3790 AND MF3791) |
| | |
| | ==Dear Mr. Joyce:== |
| | |
| | On March 12, 2012, the U.S. Nuclear Regulatory Commission (NRC) issued a request for information (Agencywide Documents Access and Management System (ADAMS) Accession No. ML12053A340) pursuant to Title 10 of the Code of Federal Regulations Section 50.54(f) |
| | (10 CFR 50.54(f)) to PSEG Nuclear LLC (PSEG), associated with Near-Term Task Force (NTTF) Recommendation 2.1 for flooding. The 10 CFR 50.54(f) letter included a request for licensees under 10 CFR Part 50 to reevaluate the flood hazards at their sites against present-day regulatory guidance and methodologies being used for Early Site Permit (ESP) and Combined License reviews. |
| | On May 11, 2012 (ADAMS Accession No. ML12097A509), the NRC issued a prioritization plan that established an external flooding hazard reevaluation schedule for each licensee. The NRC's prioritization plan initially placed Salem Nuclear Generating Station (Salem), Units 1 and 2 in Category 1, establishing a flood hazard reevaluation due date of March 12, 2013, because Salem is co-located with an ESP site. As described in PSEG's extension request letter dated March 12, 2013 (ADAMS Accession No. ML13072A033), changing NRC expectations regarding storm surge modeling methods prompted PSEG to reanalyze hurricane-related events in support of the ESP application. The storm surge reanalysis resulted in an impact to the Salem flood hazard reevaluation schedule. By letter dated April12, 2013 (ADAMS Accession No. ML13095A281 ), the NRC approved PSEG's request to extend the Salem flood hazard reevaluation submittal due date to March 12, 2014. |
| | By letter dated March 11, 2014 (ADAMS Accession No. ML14071A401), PSEG provided the requested flood hazard reevaluation for Salem. The NRC staff has reviewed the Salem flood hazard reevaluation by PSEG and determined that additional information is needed as set forth in the enclosure. |
| | On May 30, 2014, the draft questions were sent to Mr. Paul Duke of your staff, to ensure that the questions were understandable, the regulatory basis for the questions was clear, and to determine if the information was previously docketed. On June 9, 2014, a conference call was held to clarify the questions. On June 16, 2014, Mr. Brian Thomas of your staff indicated that PSEG will submit a response to questions 1 through 4 within 30 days of the date of this letter, and PSEG will submit a response to question 5 within 90 days of the date of this letter. |
| | |
| | If you have any questions, please contact me at (301) 415-3100 or via e-mail at John.Lamb@nrc.gov. |
| | Sincerely, G. Lamb, Senior Project Manager t Licensing Branch 1-2 ision of Operating Reactor Licensing ice of Nuclear Reactor Regulation Docket Nos. 50-272 and 50-311 |
| | |
| | ==Enclosure:== |
| | |
| | Request for Additional Information cc w/encl: Distribution via ListServ |
| | |
| | UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 REQUEST FOR ADDITIONAL INFORMATION RELATED TO FLOODING HAZARD REEVALUATION PSEG NUCLEAR LLC SALEM NUCLEAR GENERATING STATION, UNITS 1 AND 2 DOCKET NOS. 50-272 AND 50-311 On March 12, 2012, the U.S. Nuclear Regulatory Commission (NRC) issued a request for information (Agencywide Documents Access and Management System (ADAMS) Accession No. ML12053A340) pursuant to Title 10 of the Code of Federal Regulations Section 50.54(f) |
| | (10 CFR 50.54(f)) to PSEG Nuclear LLC (PSEG), associated with Near-Term Task Force (NTTF) Recommendation 2.1 for flooding. The 10 CFR 50.54(f) letter included a request for licensees under 10 CFR Part 50 to reevaluate the flood hazards at their sites against present-day regulatory guidance and methodologies being used for Early Site Permit (ESP) and Combined License reviews. |
| | On May 11, 2012 (ADAMS Accession No. ML12097A509), the NRC issued a prioritization plan that established an external flooding hazard reevaluation schedule for each licensee. The NRC's prioritization plan initially placed Salem Nuclear Generating Station (Salem), Units 1 and 2 in Category 1, establishing a flood hazard reevaluation due date of March 12, 2013, because Salem is co-located with an ESP site. As described in PSEG's extension request letter dated March 12, 2013 (ADAMS Accession No. ML13072A033), changing NRC expectations regarding storm surge modeling methods prompted PSEG to reanalyze hurricane-related events in support of the ESP application. The storm surge reanalysis resulted in an impact to the Salem flood hazard reevaluation schedule. By letter dated April12, 2013 (ADAMS Accession No. ML13095A281), the NRC approved PSEG's request to extend the Salem flood hazard reevaluation submittal due date to March 12, 2014. |
| | By letter dated March 11, 2014 (ADAMS Accession No. ML14071A401), PSEG provided the requested flood hazard reevaluation for Salem. The NRC staff has reviewed the Salem flood hazard reevaluation by PSEG and determined that additional information is needed as set forth below. |
| | REQUEST FOR ADDITIONAL INFORMATION The NRC staff requests that the licensee provide the following figures and files used in the development of the Flooding Hazard Reevaluation Report (FHRR). Input and output files are requested in their native file format (*.xlsx, *.out, etc.). Adobe Acrobat Portable Document Files (PDFs) are not requested to be submitted unless specifically requested in that format. The NRC staff also requests that the licensee provide clarification regarding the scope of, and input parameters for, the integrated assessment. |
| | Enclosure |
| | |
| | Local Intense Precipitation, Riverine Flooding, and Dam Failure The NRC staff requests that the licensee provide the following figures and files used in the development of the FHRR: |
| | : 1. Local Intense Precipitation Flood |
| * Input files for FL0-20 modeling (in native FL0-20 format) | | * Input files for FL0-20 modeling (in native FL0-20 format) |
| * Minimum output: Summary. out file from FL0-20 modeling (in native FL0-20 format) | | * Minimum output: Summary. out file from FL0-20 modeling (in native FL0-20 format) |
| * Sufficient output from FL0-20 modeling to review licensee's results independent of the FHRR and electronic reading room modeling (in native FL0-20 format): o MAXWSELEV.out o OEPTH.out o CHVOLUME.out o CHANMAX.out o CROSSMAX.out o HYCROSS.out o CROSSQ.out o HYCHAN.out o HYOROSTRUCT.out o VEL TIMEC.out o VEL TIMEFP.out o TIMOEP.out 2. Riverine Probable Maximum Flood (PMF) | | * Sufficient output from FL0-20 modeling to review licensee's results independent of the FHRR and electronic reading room modeling (in native FL0-20 format): |
| | o MAXWSELEV.out o OEPTH.out o CHVOLUME.out o CHANMAX.out o CROSSMAX.out o HYCROSS.out o CROSSQ.out o HYCHAN.out o HYOROSTRUCT.out o VEL TIMEC.out o VEL TIMEFP.out o TIMOEP.out |
| | : 2. Riverine Probable Maximum Flood (PMF) |
| * HEC-HMS input files (in native format) | | * HEC-HMS input files (in native format) |
| * HEC-RAS input file (in native format) | | * HEC-RAS input file (in native format) |
| * Calibration sets for HEC-HMS and HEC-RAS (in native format) | | * Calibration sets for HEC-HMS and HEC-RAS (in native format) |
| * Sufficient output to review licensee's results independent of FHRR and electronic reading room (ERR) (in native format) o HEC-HMS *.OSS o HEC-HMS *.OUT o HEC-RAS *.0##-output files o HEC-RAS *.R##-restart files (depending on how the initial conditions are specified) o HEC-RAS *.OSS | | * Sufficient output to review licensee's results independent of FHRR and electronic reading room (ERR) (in native format) o HEC-HMS *.OSS o HEC-HMS *.OUT o HEC-RAS *.0##- output files o HEC-RAS *.R##- restart files (depending on how the initial conditions are specified) o HEC-RAS *.OSS |
| -3 -3. Dam Breach Flood
| | : 3. Dam Breach Flood |
| * HEC-HMS input files (in native format) | | * HEC-HMS input files (in native format) |
| * HEC-RAS input files (in native format) | | * HEC-RAS input files (in native format) |
| * Sufficient output to review licensee's results independent of FHRR and ERR (in native format) o HEC-HMS *.DSS o HEC-HMS *.OUT o HEC-RAS *.0##-output files o HEC-RAS *.R##-restart files (depending on how the initial conditions are specified) o HEC-RAS *.DSS Storm Surge NRC staff requests that the licensee provide the following additional information related to the evaluation of storm surge: 4. The NRC staff requests that the licensee provide the ADCIRC+SWAN models files as listed below, that were applied in the development of probable maximum storm surge. Input and output files are requested in their native file format (*.xlsx, *.out, etc.). PDFs of files are requested to not be submitted unless specifically requested in that format. # Files Description 1 Fort.13 ADCIRC+SWAN Nodal Attribute File 2 Fort.14 ADCIRC+SWAN Grid and Boundary Information File 3 Fort.15 A DCI RC+SW AN Model Parameter and Periodic Boundary Condition File 4 Fort.22 Wind input files developed for storms simulated in ADCIRC 5 Land class data Defines land use in mesh region 6 Documentation Reports developed the document mesh development {changes from FEMA coastal study mesh) and model validation and execution 7 Storm Validation Storm validation forcing files (wind/pressure, fort.22) and water level data and wave measurements for comparison 5. The NRC staff requests the licensee provide the information listed below related to the probabilistic evaluation of storm surge. In conjunction with the items below, the staff requests that the licensee include supporting information to assist the staff in identifying relevant information provided as part of the request for additional information (RAI) response such as provision of (1) indices describing the content of various input/output files and (2) field titles (e.g., column headers and row identifiers) for datasets and tables of information. Input and output files, as well as any supporting information, are requested in their native file format (e.g., *.xlsx, *.txt, etc.). Tables of information are requested to be provided in a format suitable for import into mathematical software packages (e.g., as | | * Sufficient output to review licensee's results independent of FHRR and ERR (in native format) o HEC-HMS *.DSS o HEC-HMS *.OUT o HEC-RAS *.0##- output files o HEC-RAS *.R##- restart files (depending on how the initial conditions are specified) o HEC-RAS *.DSS Storm Surge NRC staff requests that the licensee provide the following additional information related to the evaluation of storm surge: |
| -4-delimited text files or spreadsheets). PDFs of files are not requested to be submitted unless specifically requested in that format. a) The licensee is requested to provide a tabulation of input data used to support development of probability distributions for relevant storm parameters and (if applicable) examination of parameter correlations. This includes the HURDAT database pre-and post-application of any filters such as the line-crossing approach used to screen historical hurricanes for evaluation of the distribution for central pressure and associated sampling uncertainty. In addition, the licensee's FHRR references Federal Emergency Management Agency (FEMA) studies as the basis for the following information: (1) historical storm rate, (2) distribution for Rmax* (3) distribution for v1, and (4) storm track distribution. If the supporting data used to derive these distributions is available to the licensee, the licensee is requested to provide a tabulation of input data used to support development of the above distributions and storm rate. b) The licensee is requested to provide computer codes (including subroutines and supporting calculations) and input/output files associated with processing data, computing probability distributions for storm parameters, examining parameter correlations, generating the response surface, developing parameters for the error term distribution, performing the JPM integration, and evaluating sampling uncertainty. c) The licensee is requested to provide a tabulation of the complete response surface (including values generated using numerical models, the pressure-differential relationship, interpolation, and extrapolation) for each combination of storm parameters. In addition, the licensee is requested to identify the method (e.g., numerical model, pressure-differential relationship, interpolation/extrapolation) used to generate each value. d) The licensee is requested to provide a tabulation of the probability mass functions associated with each storm parameter and error term. e) The licensee is requested to provide a tabulation of the joint probability mass functions associated with each combination of storm parameters.
| | : 4. The NRC staff requests that the licensee provide the ADCIRC+SWAN models files as listed below, that were applied in the development of probable maximum storm surge. Input and output files are requested in their native file format (*.xlsx, *.out, etc.). PDFs of files are requested to not be submitted unless specifically requested in that format. |
| T. Joyce -2 -If you have any questions, please contact me at (301) 415-3100 or via e-mail at John. Lamb@nrc.gov. Sincerely, IRA/ John G. Lamb, Senior Project Manager Plant Licensing Branch 1-2 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket Nos. 50-272 and 50-311 Enclosure: Request for Additional Information cc w/encl: Distribution via ListServ DISTRIBUTION: RidsNrrPMSalem Resource RidsRgn1 MaiiCenter Resource RidsAcrsAcnw MaiiCTR Resource PUBLIC -KQuinlan, NRO EMiller, NRR RidsNrrLAABaxter Resource RidsNrrDorllpl1-2 Resource KMartin, NRR/DRNAHPB LPLI-2 R/F Slmboden, NRO RidsNraDraAhpb Resource RidsNrrPMSalem Resource RidsNrrDoriDpr Resource HJones, NRO RKuntz, NRR ADAMS Accession No* ML 14168A242 .. *via email OFFICE NRR/DORULPL 1-2/PM NRR/DORL/LPL 1-2/LA NRO/DSEA/BC NRR/DORL/LPL 1-2/BC NRRIDORL/LPL 1-2/PM NAME Jlamb ABaxter CCook* MKhanna JLamb DATE 06/17/2014 6/25/14 05/29/2014 06/25/2014 06/28/2014 OFFICIAL RECORD COPY
| | # Files Description 1 Fort.13 ADCIRC+SWAN Nodal Attribute File 2 Fort.14 ADCIRC+SWAN Grid and Boundary Information File A DCI RC+SW AN Model Parameter and Periodic Boundary Condition 3 Fort.15 File 4 Fort.22 Wind input files developed for storms simulated in ADCIRC 5 Land class data Defines land use in mesh region Reports developed the document mesh development {changes from 6 Documentation FEMA coastal study mesh) and model validation and execution Storm Validation Storm validation forcing files (wind/pressure, fort.22) and water level 7 |
| }} | | data and wave measurements for comparison |
| | : 5. The NRC staff requests the licensee provide the information listed below related to the probabilistic evaluation of storm surge. In conjunction with the items below, the staff requests that the licensee include supporting information to assist the staff in identifying relevant information provided as part of the request for additional information (RAI) response such as provision of (1) indices describing the content of various input/output files and (2) field titles (e.g., column headers and row identifiers) for datasets and tables of information. Input and output files, as well as any supporting information, are requested in their native file format (e.g., *.xlsx, *.txt, etc.). Tables of information are requested to be provided in a format suitable for import into mathematical software packages (e.g., as |
| | |
| | delimited text files or spreadsheets). PDFs of files are not requested to be submitted unless specifically requested in that format. |
| | a) The licensee is requested to provide a tabulation of input data used to support development of probability distributions for relevant storm parameters and (if applicable) examination of parameter correlations. This includes the HURDAT database pre- and post-application of any filters such as the line-crossing approach used to screen historical hurricanes for evaluation of the distribution for central pressure and associated sampling uncertainty. In addition, the licensee's FHRR references Federal Emergency Management Agency (FEMA) studies as the basis for the following information: (1) historical storm rate, (2) distribution for Rmax* |
| | (3) distribution for v1 , and (4) storm track distribution. If the supporting data used to derive these distributions is available to the licensee, the licensee is requested to provide a tabulation of input data used to support development of the above distributions and storm rate. |
| | b) The licensee is requested to provide computer codes (including subroutines and supporting calculations) and input/output files associated with processing data, computing probability distributions for storm parameters, examining parameter correlations, generating the response surface, developing parameters for the error term distribution, performing the JPM integration, and evaluating sampling uncertainty. |
| | c) The licensee is requested to provide a tabulation of the complete response surface (including values generated using numerical models, the pressure-differential relationship, interpolation, and extrapolation) for each combination of storm parameters. In addition, the licensee is requested to identify the method (e.g., |
| | numerical model, pressure-differential relationship, interpolation/extrapolation) used to generate each value. |
| | d) The licensee is requested to provide a tabulation of the probability mass functions associated with each storm parameter and error term. |
| | e) The licensee is requested to provide a tabulation of the joint probability mass functions associated with each combination of storm parameters. |
| | |
| | * .. ML14168A242 *via email OFFICE NRR/DORULPL 1-2/PM NRR/DORL/LPL 1-2/LA NRO/DSEA/BC NRR/DORL/LPL 1-2/BC NRRIDORL/LPL 1-2/PM NAME Jlamb ABaxter CCook* MKhanna JLamb DATE 06/17/2014 6/25/14 05/29/2014 06/25/2014 06/28/2014}} |
Letter Sequence RAI |
---|
|
|
MONTHYEARML14071A4012014-03-11011 March 2014 PSEG Nuclear Llc'S Response to Request for Information Regarding Flooding Aspects of Recommendation 2.1 of Near-Term Task Force Review of Insights from the Fukushima Dai-ichi Accident - Generating Station Flood Hazard Reevaluation Project stage: Request ML14168A2422014-06-28028 June 2014 Request for Additional Information Regarding Flooding Hazard Reevaluation Project stage: RAI ML15146A2202015-06-0101 June 2015 Nuclear Regulatory Commission Plan for the Audit of PSEG Nuclear Llc'S Flood Hazard Reevaluation Report Submittal Relating to the Near-Term Task Force Recommendation 2.1-Flooding for Salem Nuclear Generating Station, Units 1 and 2 Project stage: Other ML15238B7042015-09-10010 September 2015 Interim Staff Response to Reevaluated Flood Hazards Submitted in Response to 10 CFR 50.54 Information Request - Flood Causing Mechanism Reevaluation Project stage: Other ML15243A4472015-09-10010 September 2015 Master Report - Tables 1 and 2 Project stage: Other 2014-06-28
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MONTHYEARIR 05000272/20230042024-02-0505 February 2024 Integrated Inspection Report 05000272/2023004 and 05000311/2023004 ML24009A1022024-01-26026 January 2024 Exemption from Select Requirements of 10 CF Part 73 (EPID L-2023-LLE-0045 (Security Notifications, Reports, and Recordkeeping and Suspicious Activity Reporting)) IR 05000272/20234012024-01-22022 January 2024 Material Control and Accounting Program Inspection Report 05000272/2023401 and 05000311/2023401 ML24004A1542024-01-0808 January 2024 Notification of Conduct of a Fire Protection Team Inspection LR-N23-0079, Special Report 23-02-00 Pursuant to the Requirements of Salem Unit 1 Technical Specification 3.3.3.7, Action 10, for the Unit 1 Main Steam Line Rad Monitor Inoperable for Greater than Seven Days2023-12-0707 December 2023 Special Report 23-02-00 Pursuant to the Requirements of Salem Unit 1 Technical Specification 3.3.3.7, Action 10, for the Unit 1 Main Steam Line Rad Monitor Inoperable for Greater than Seven Days ML23270C0072023-11-29029 November 2023 Notice of Proposed Amendment to Decommissioning Trust Agreement LR-N23-0077, Loss of Coolant Accident Peak Cladding Temperature Margin Tracking - Annual Report 2023 & 30 Day Report for Salem Unit 1 Upflow Conversion2023-11-29029 November 2023 Loss of Coolant Accident Peak Cladding Temperature Margin Tracking - Annual Report 2023 & 30 Day Report for Salem Unit 1 Upflow Conversion ML23324A3072023-11-17017 November 2023 Request for Exemption from Enhanced Weapons, Firearms Background Checks, and Security Event Notifications Implementation IR 05000272/20230032023-11-13013 November 2023 Integrated Inspection Report 05000272/2023003 and 05000311/2023003 LR-N23-0072, Core Operating Limits Report Cycle 302023-11-0101 November 2023 Core Operating Limits Report Cycle 30 IR 05000272/20230102023-10-12012 October 2023 Biennial Problem Identification and Resolution Inspection Report O5000272/2023010 and 05000311/2023010 IR 05000272/20234022023-10-12012 October 2023 and Salem Nuclear Generating Station, Units 1 and 2 - Security Baseline Inspection Report 05000354/2023402, 05000272/2023402 and 05000311/2023402 (Cover Letter Only) LR-N23-0045, and Peach Bottom Atomic Power Station, Units 2 and 3 - Notice of Proposed Amendment to Decommissioning Trust Agreement2023-09-0808 September 2023 and Peach Bottom Atomic Power Station, Units 2 and 3 - Notice of Proposed Amendment to Decommissioning Trust Agreement ML23249A2612023-09-0606 September 2023 License Amendment Request to Modify the Salem and Hope Creek Exclusion Area Boundary IR 05000272/20230052023-08-31031 August 2023 Updated Inspection Plan for Salem Nuclear Generating Station, Units 1 and 2 (Reports 05000272/2023005 and 05000311/2023005) ML23233A0762023-08-21021 August 2023 Requalification Program Inspection ML23192A8212023-08-14014 August 2023 and Salem Nuclear Generating Station, Unit Nos. 1 and 2 - Issuance of Amendment Nos. 234, 347, and 329 Revise Technical Specifications to Delete Meteorological Tower Location IR 05000272/20230022023-08-0909 August 2023 Integrated Inspection Report 05000272/2023002 and 05000311/2023002 LR-N23-0055, Special Report 272/23-01-00, Pursuant to the Requirements of Technical Specification 3.3.3.1, Action 23, for the Vent Noble Gas Rad Monitor Inoperable for Greater than Seven Days2023-08-0303 August 2023 Special Report 272/23-01-00, Pursuant to the Requirements of Technical Specification 3.3.3.1, Action 23, for the Vent Noble Gas Rad Monitor Inoperable for Greater than Seven Days IR 05000354/20230022023-08-0303 August 2023 Integrated Inspection Report 05000354/2023002 and Independent Spent Fuel Storage Installation Inspection Report 07200048/2023001 LR-N23-0054, In-Service Inspection Activities2023-07-26026 July 2023 In-Service Inspection Activities LR-N23-0046, Emergency Plan Document Revisions Implemented June 28, 20232023-07-10010 July 2023 Emergency Plan Document Revisions Implemented June 28, 2023 LR-N23-0005, License Amendment Request to Amend Technical Specifications (TS) 6.8.4.f for Permanent Extension of Type a and Type C Leak Rate Test Frequencies2023-06-23023 June 2023 License Amendment Request to Amend Technical Specifications (TS) 6.8.4.f for Permanent Extension of Type a and Type C Leak Rate Test Frequencies ML23139A1472023-06-0505 June 2023 Relief Request Associated with Fourth Interval In-service Inspection Limited Examinations of Weld Coverage ML23096A1842023-05-0909 May 2023 Issuance of Amendment No. 328 Revise and Relocate Reactor Coolant System Pressure and Temperature Limits and Pressurizer Overpressure Protection System Limits to Pressure and Temperature Limits Report IR 05000272/20230012023-05-0303 May 2023 Integrated Inspection Report 05000272/2023001 and 05000311/2023001 ML23081A4662023-05-0202 May 2023 Issuance of Amendment Nos. 346 and 327 Revise Technical Specifications to Extend Allowable Outage Time for Inoperable Emergency Diesel Generator IR 05000272/20233012023-05-0101 May 2023 Initial Operator Licensing Examination Report 05000272/2023301 and 05000311/2023301 LR-N23-0034, 2022 Annual Radiological Environmental Operating Report (AREOR) - Salem Nuclear Generating Station, Unit Nos. 1 and 2 and Hope Creek Generating Station2023-04-27027 April 2023 2022 Annual Radiological Environmental Operating Report (AREOR) - Salem Nuclear Generating Station, Unit Nos. 1 and 2 and Hope Creek Generating Station LR-N23-0035, 2022 Annual Radioactive Effluent Release Report (ARERR)2023-04-27027 April 2023 2022 Annual Radioactive Effluent Release Report (ARERR) LR-N23-0033, Core Operating Limits Report Cycle 272023-04-26026 April 2023 Core Operating Limits Report Cycle 27 LR-N23-0010, License Amendment Request Revision of Technical Specification (TS) to Delete TS Section 5.5 - Meteorological Tower Location2023-04-21021 April 2023 License Amendment Request Revision of Technical Specification (TS) to Delete TS Section 5.5 - Meteorological Tower Location ML23089A0942023-04-17017 April 2023 NRC to PSEG Hope Creek, Transmittal of the National Marine Fisheries Service'S March 24, 2023, Biological Opinion GAR-2020-02842 Concerning Salem and Hope Creek ML23087A1492023-04-17017 April 2023 NRC to PSEG Salem, Transmittal of the National Marine Fisheries Service'S March 24, 2023, Biological Opinion GAR-2020-02842 Concerning Salem and Hope Creek ML23103A3232023-04-13013 April 2023 Submittal of Updated Final Safety Analysis Report, Rev. 26, Summary of Revised Regulatory Commitments for Hope Creek, Summary of Changes to PSEG Nuclear LLC, Quality Assurance Topical Report, NO-AA-10, Rev. 89 ML23095A3682023-04-12012 April 2023 and Salem Nuclear Generating Station, Unit Nos. 1 and 2 - Threshold Determination for Proposed Transfer of Land Ownership LR-N23-0006, Report on Status of Decommissioning Funding for Reactors and Independent Spent Fuel Storage Installations2023-03-24024 March 2023 Report on Status of Decommissioning Funding for Reactors and Independent Spent Fuel Storage Installations ML23086A0912023-03-24024 March 2023 NMFS to NRC, Transmittal of Biological Opinion for Continued Operations of Salem and Hope Creek Nuclear Generating Stations RS-23-049, Constellation Energy Generation, LLC, Report on Status of Decommissioning Funding for Reactors and Independent Spent Fuel Storage Installations2023-03-23023 March 2023 Constellation Energy Generation, LLC, Report on Status of Decommissioning Funding for Reactors and Independent Spent Fuel Storage Installations LR-N23-0019, and Salem Generating Station, Units 1 and 2 - Guarantees of Payment of Deferred Premiums2023-03-21021 March 2023 and Salem Generating Station, Units 1 and 2 - Guarantees of Payment of Deferred Premiums ML23044A1052023-03-13013 March 2023 Issuance of Amendment Nos. 345 and 326 Relocate Technical Specifications Requirements for Reactor Head Vents to Technical Requirements Manual ML23037A9712023-03-0909 March 2023 and Salem Nuclear, Unit Nos. 1 and 2 Issuance of Amendment Nos. 233, 344, and 325 Relocate Technical Specification Staff Qualification Requirements to the PSEG Quality Assurance Topical Report IR 05000272/20230112023-03-0707 March 2023 Comprehensive Engineering Team Inspection Report 05000272/2023011 and 05000311/2023011 IR 05000272/20220062023-03-0101 March 2023 Annual Assessment Letter for Salem Nuclear Generating Station, Units 1 and 2 (Reports 05000272/2022006 and 05000311/2022006) LR-N23-0016, and Salem Generating Station, Units 1 and 2 - Report of Changes, Tests, and Experiments2023-02-28028 February 2023 and Salem Generating Station, Units 1 and 2 - Report of Changes, Tests, and Experiments LR-N23-0012, Annual Property Insurance Status Report2023-02-24024 February 2023 Annual Property Insurance Status Report LR-N23-0014, Stations Submittal of 2022 Annual Report of Fitness for Duty Performance Data Per 10 CFR 26.203(e) and 10 CFR 26.7172023-02-23023 February 2023 Stations Submittal of 2022 Annual Report of Fitness for Duty Performance Data Per 10 CFR 26.203(e) and 10 CFR 26.717 ML23034A1532023-02-0909 February 2023 Operator Licensing Examination Approval ML23019A3482023-02-0202 February 2023 Issuance of Relief Request No. SC-I5R-221 for the Alternative Repair for Service Water System Piping LR-N23-0003, Response to Requests for Additional Information Salem Unit 2 Relief Request S2-I4R-2112023-02-0101 February 2023 Response to Requests for Additional Information Salem Unit 2 Relief Request S2-I4R-211 2024-02-05
[Table view] Category:Request for Additional Information (RAI)
MONTHYEARML22333A9022022-11-29029 November 2022 NRR E-mail Capture - Final Iolb RAI - Salem 1 and 2 LAR to Revise TS to Extend Allowed Outage Time for Inoperable EDG ML22318A1062022-11-14014 November 2022 Information Request for Quadrennial Baseline Comprehensive Engineering Team Inspection; Notification to Perform Inspection 05000272/2023011 and 05000311/2023011 ML22290A2202022-10-17017 October 2022 NRR E-mail Capture - Final RAI - Salem 1 and 2 LAR to Revise TS to Extend Allowed Outage Time for Inoperable EDG ML22055A0702022-02-22022 February 2022 NRR E-mail Capture - Final RAI - Salem 1-Relief Request Associated with Fourth Inservice Inspection (ISI) Interval Limited Examinations (L-2021-LLR-0085) ML21256A1902021-09-10010 September 2021 NRR E-mail Capture - Exelon Generation Company, LLC - Request for Additional Information Regarding License Transfer Application ML21144A2132021-05-24024 May 2021 NRR E-mail Capture - Exelon Generation Company, LLC - Request for Additional Information Regarding License Transfer Application ML21068A4142021-03-0909 March 2021 NRR E-mail Capture - Final RAI for Salem Unit 1 LAR to Revise and Relocate Pressurizer Overpressure Protection System Limits to Pressure and Temperature Limits Report ML21043A1442021-02-11011 February 2021 NRR E-mail Capture - Salem - Final RAI Alternative for Examination of ASME Section XI, Category B-B, Item Number B2.11and B2.12 (L-2020-LRR-0103) ML21021A2592021-01-21021 January 2021 NRR E-mail Capture - Final RAI - Salem 1 - Steam Generator Tube Inspection Report ML20281A5172020-10-13013 October 2020 Notification of Conduct of a Fire Protection Team Inspection ML18267A1712018-09-21021 September 2018 NRR E-mail Capture - Final RAI from PRA Branch: Revise Technical Specifications to Increase Inverter AOT Extension (L-2018-LLA-0140) ML18264A0122018-09-20020 September 2018 NRR E-mail Capture - Final RAI from I&C Branch: Revise Technical Specifications to Increase Inverter AOT Extension (L-2018-LLA-0140) ML18250A3132018-09-0606 September 2018 NRR E-mail Capture - Final RAI: Revise Technical Specifications to Increase Inverter AOT Extension (L-2018-LLA-0140) ML18171A3212018-06-20020 June 2018 NRR E-mail Capture - Final RAI: Revise Technical Specifications to Adopt TSTF-411 and 418 (L-2017-LLA-0442) ML18094B0832018-04-0505 April 2018 Enclosurequest for Additional Information (Letter to P. Duke RAI Regarding Entergy Operations, Inc.'S Decommissioning Funding Plan Update for Salem and Hope Creek, and Peach Bottom ISFSIs Docket Nos. 72-48 and 72-29) ML18067A1482018-03-0808 March 2018 Enclosurequest for Additional Information (Letter to P. R. Simpson Request for Additional Information Regarding Exelon Generating Company, Llc'S Decommissioning Funding Plan Update for Independent Spent Fuel Storage Installation) ML17212B1152017-07-31031 July 2017 Request for Additional Information - Salem Units 1 and 2 - Containment Fan Coil Unit Allowed Outage Time Amendment Request (CACs MF9364 and MF9365) ML17199A1122017-07-18018 July 2017 Request for Additional Information - Salem Units 1 and 2 - Accident Monitoring Instrumentation License Amendment Request (CAC Nos. MF8859 & MF8860) ML17192A1672017-07-11011 July 2017 Request for Additional Information - Salem Unit 1 - Steam Generator Tube Inspection Report ML17115A4032017-05-0909 May 2017 Request for Additional Information Regarding Relief Request SC-14R-171 - Use of Code Cases N-695-1 and N-696-1 ML16321A4642016-11-21021 November 2016 and Salem Nuclear Generating Station, Unit Nos. 1 and 2 - Request for Additional Information Regarding License Amendment Request to Remove Certain Training Requirements ML16218A0052016-08-11011 August 2016 Request for Additional Information Concerning Request for an Extension to Enforcement Guidance Memorandum 12-001 ML16195A4492016-07-14014 July 2016 Request for Additional Information Regarding Chilled Water System Modifications ML16188A4152016-07-0707 July 2016 Request for Additional Information Aging Management Program Plan for Reactor Vessel Internals ML16124A5802016-05-0303 May 2016 and Salem Nuclear Generating Station, Unit Nos. 1 and 2 - Redacted - Request for Additional Information Review of Security Plan Revision 17 Changes ML16013A1592016-02-17017 February 2016 Request for Additional Information Regarding Chilled Water System Modifications ML15287A1412015-11-0202 November 2015 Request for Additional Information License Amendment Request Regarding Replacement of Source Range and Intermediate Range Neutron Monitoring Systems ML15287A1052015-11-0202 November 2015 Request for Additional Information License Amendment Request to Isolate Unborated Water Sources and Use Gamma-Metrics Post-Accident Neutron Monitors During Mode 6 (Refueling) (CAC Nos. MF5831 & MF5832) ML15299A3832015-10-29029 October 2015 Supplemental Information Needed for Acceptance of Requested Licensing Action Amendment Request Regarding Chilled Water System Modification ML15069A1812015-03-31031 March 2015 Request for Additional Information Aging Management Program Plan for Reactor Vessel Internals (TAC Nos. MF5149 and MF5150) ML15075A2602015-03-24024 March 2015 Request for Additional Information Spring 2014 Steam Generator Tube Inspections ML15055A3772015-03-10010 March 2015 and Salem Nuclear Generating Station, Unit Nos. 1 and 2, Request for Additional Information Request to Update Appendix B to Renewed Facility Operating License DPR-70, DPR-75 and NPF-57 ML14197A6192014-07-24024 July 2014 and Salem Nuclear Generating Station, Units 1 and 2 - Request for Additional Information Regarding Cyber Security Plan Milestone 8 Implementation Schedule (Tac Nos. MF3384, MF3385 and MF3386) ML14168A2422014-06-28028 June 2014 Request for Additional Information Regarding Flooding Hazard Reevaluation ML14135A2912014-06-0202 June 2014 RAI Regarding Request for Relief SC-I4R-140 from American Society of Mechanical Engineers Boiler & Pressure Vessel Code, Section XI Requirements Regarding the Reactor Vessel Head Flange Seal Leak Detection ML14086A6362014-04-30030 April 2014 Request for Additional Information Regarding Core Operating Limits Report ML14066A2952014-03-0606 March 2014 Licensed Operator Positive Fitness-For-Duty-Test (FY14) ML13330A5672013-11-22022 November 2013 Request for Additional Information: Salem Units 1 and 2 - Relief Request SC-14R-133 Repair of Service Water Piping (TAC MF1375 & 1376) ML13304B4182013-11-0101 November 2013 Request for Additional Information Associated with Near-Term Task Force Recommendation 2.3, Seismic Walkdowns ML13304B9362013-10-29029 October 2013 Request for Additional Information: Salem Units 1 and 2 - Relief Request SC-14R-133 Repair of Service Water Piping (TAC MF1375 & 1376) ML13270A4142013-10-17017 October 2013 Interim Staff Evaluation and Request for Additional Information Regarding the Overall Integrated Plan for Implementation of Order EA-12-051, Reliable Spent Fuel Pool Instrumentation (TAC Nos. MF0913 and Mf ML13249A0112013-09-0505 September 2013 Weko Seal Relief Request RAI ML13196A3382013-07-15015 July 2013 2013 Decommissioning Fund Report RAI ML13192A2322013-07-11011 July 2013 Draft Request for Additional Information Overall Integrated Plan in Response to Order EA-12-051, Reliable Spent Fuel Pool Instrumentation. ML13186A1672013-07-11011 July 2013 Request for Additional Information Overall Integrated Plan for Reliable Spent Fuel Pool Instrumentation (Order Number EA-12-051) ML13179A3032013-06-28028 June 2013 RAIs for Salem Regarding Response to Order EA-12-051 (SFP Instrumentation) ML13137A4882013-06-0505 June 2013 Request for Additional Information Relief Request SC-l4R-133 ML13149A0862013-06-0505 June 2013 Request for Additional Information Decommissioning Funding Status Report ML13102A2752013-04-25025 April 2013 Request for Additional Information Change to PSEG Emergency Plan to Remove the Backup R45 Plant Vent Radiation Monitor Indications ML13063A7172013-03-11011 March 2013 Second Request for Additional Information Deletion of Condition for Inoperable Control Area Air Condition System/Control Room Emergency Air Conditioning System Isolation Dampers 2022-02-22
[Table view] |
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UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 June 28, 2014 Mr. Thomas Joyce President and Chief Nuclear Officer PSEG Nuclear LLC P.O. Box 236, N09 Hancocks Bridge, NJ 08038
SUBJECT:
SALEM NUCLEAR GENERATING STATION, UNITS 1 AND 2- REQUEST FOR ADDITIONAL INFORMATION REGARDING FLOODING HAZARD REEVALUATION (TAC NOS. MF3790 AND MF3791)
Dear Mr. Joyce:
On March 12, 2012, the U.S. Nuclear Regulatory Commission (NRC) issued a request for information (Agencywide Documents Access and Management System (ADAMS) Accession No. ML12053A340) pursuant to Title 10 of the Code of Federal Regulations Section 50.54(f)
(10 CFR 50.54(f)) to PSEG Nuclear LLC (PSEG), associated with Near-Term Task Force (NTTF) Recommendation 2.1 for flooding. The 10 CFR 50.54(f) letter included a request for licensees under 10 CFR Part 50 to reevaluate the flood hazards at their sites against present-day regulatory guidance and methodologies being used for Early Site Permit (ESP) and Combined License reviews.
On May 11, 2012 (ADAMS Accession No. ML12097A509), the NRC issued a prioritization plan that established an external flooding hazard reevaluation schedule for each licensee. The NRC's prioritization plan initially placed Salem Nuclear Generating Station (Salem), Units 1 and 2 in Category 1, establishing a flood hazard reevaluation due date of March 12, 2013, because Salem is co-located with an ESP site. As described in PSEG's extension request letter dated March 12, 2013 (ADAMS Accession No. ML13072A033), changing NRC expectations regarding storm surge modeling methods prompted PSEG to reanalyze hurricane-related events in support of the ESP application. The storm surge reanalysis resulted in an impact to the Salem flood hazard reevaluation schedule. By letter dated April12, 2013 (ADAMS Accession No. ML13095A281 ), the NRC approved PSEG's request to extend the Salem flood hazard reevaluation submittal due date to March 12, 2014.
By letter dated March 11, 2014 (ADAMS Accession No. ML14071A401), PSEG provided the requested flood hazard reevaluation for Salem. The NRC staff has reviewed the Salem flood hazard reevaluation by PSEG and determined that additional information is needed as set forth in the enclosure.
On May 30, 2014, the draft questions were sent to Mr. Paul Duke of your staff, to ensure that the questions were understandable, the regulatory basis for the questions was clear, and to determine if the information was previously docketed. On June 9, 2014, a conference call was held to clarify the questions. On June 16, 2014, Mr. Brian Thomas of your staff indicated that PSEG will submit a response to questions 1 through 4 within 30 days of the date of this letter, and PSEG will submit a response to question 5 within 90 days of the date of this letter.
If you have any questions, please contact me at (301) 415-3100 or via e-mail at John.Lamb@nrc.gov.
Sincerely, G. Lamb, Senior Project Manager t Licensing Branch 1-2 ision of Operating Reactor Licensing ice of Nuclear Reactor Regulation Docket Nos. 50-272 and 50-311
Enclosure:
Request for Additional Information cc w/encl: Distribution via ListServ
UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 REQUEST FOR ADDITIONAL INFORMATION RELATED TO FLOODING HAZARD REEVALUATION PSEG NUCLEAR LLC SALEM NUCLEAR GENERATING STATION, UNITS 1 AND 2 DOCKET NOS. 50-272 AND 50-311 On March 12, 2012, the U.S. Nuclear Regulatory Commission (NRC) issued a request for information (Agencywide Documents Access and Management System (ADAMS) Accession No. ML12053A340) pursuant to Title 10 of the Code of Federal Regulations Section 50.54(f)
(10 CFR 50.54(f)) to PSEG Nuclear LLC (PSEG), associated with Near-Term Task Force (NTTF) Recommendation 2.1 for flooding. The 10 CFR 50.54(f) letter included a request for licensees under 10 CFR Part 50 to reevaluate the flood hazards at their sites against present-day regulatory guidance and methodologies being used for Early Site Permit (ESP) and Combined License reviews.
On May 11, 2012 (ADAMS Accession No. ML12097A509), the NRC issued a prioritization plan that established an external flooding hazard reevaluation schedule for each licensee. The NRC's prioritization plan initially placed Salem Nuclear Generating Station (Salem), Units 1 and 2 in Category 1, establishing a flood hazard reevaluation due date of March 12, 2013, because Salem is co-located with an ESP site. As described in PSEG's extension request letter dated March 12, 2013 (ADAMS Accession No. ML13072A033), changing NRC expectations regarding storm surge modeling methods prompted PSEG to reanalyze hurricane-related events in support of the ESP application. The storm surge reanalysis resulted in an impact to the Salem flood hazard reevaluation schedule. By letter dated April12, 2013 (ADAMS Accession No. ML13095A281), the NRC approved PSEG's request to extend the Salem flood hazard reevaluation submittal due date to March 12, 2014.
By letter dated March 11, 2014 (ADAMS Accession No. ML14071A401), PSEG provided the requested flood hazard reevaluation for Salem. The NRC staff has reviewed the Salem flood hazard reevaluation by PSEG and determined that additional information is needed as set forth below.
REQUEST FOR ADDITIONAL INFORMATION The NRC staff requests that the licensee provide the following figures and files used in the development of the Flooding Hazard Reevaluation Report (FHRR). Input and output files are requested in their native file format (*.xlsx, *.out, etc.). Adobe Acrobat Portable Document Files (PDFs) are not requested to be submitted unless specifically requested in that format. The NRC staff also requests that the licensee provide clarification regarding the scope of, and input parameters for, the integrated assessment.
Enclosure
Local Intense Precipitation, Riverine Flooding, and Dam Failure The NRC staff requests that the licensee provide the following figures and files used in the development of the FHRR:
- 1. Local Intense Precipitation Flood
- Input files for FL0-20 modeling (in native FL0-20 format)
- Minimum output: Summary. out file from FL0-20 modeling (in native FL0-20 format)
- Sufficient output from FL0-20 modeling to review licensee's results independent of the FHRR and electronic reading room modeling (in native FL0-20 format):
o MAXWSELEV.out o OEPTH.out o CHVOLUME.out o CHANMAX.out o CROSSMAX.out o HYCROSS.out o CROSSQ.out o HYCHAN.out o HYOROSTRUCT.out o VEL TIMEC.out o VEL TIMEFP.out o TIMOEP.out
- 2. Riverine Probable Maximum Flood (PMF)
- HEC-HMS input files (in native format)
- HEC-RAS input file (in native format)
- Calibration sets for HEC-HMS and HEC-RAS (in native format)
- Sufficient output to review licensee's results independent of FHRR and electronic reading room (ERR) (in native format) o HEC-HMS *.OSS o HEC-HMS *.OUT o HEC-RAS *.0##- output files o HEC-RAS *.R##- restart files (depending on how the initial conditions are specified) o HEC-RAS *.OSS
- 3. Dam Breach Flood
- HEC-HMS input files (in native format)
- HEC-RAS input files (in native format)
- Sufficient output to review licensee's results independent of FHRR and ERR (in native format) o HEC-HMS *.DSS o HEC-HMS *.OUT o HEC-RAS *.0##- output files o HEC-RAS *.R##- restart files (depending on how the initial conditions are specified) o HEC-RAS *.DSS Storm Surge NRC staff requests that the licensee provide the following additional information related to the evaluation of storm surge:
- 4. The NRC staff requests that the licensee provide the ADCIRC+SWAN models files as listed below, that were applied in the development of probable maximum storm surge. Input and output files are requested in their native file format (*.xlsx, *.out, etc.). PDFs of files are requested to not be submitted unless specifically requested in that format.
- Files Description 1 Fort.13 ADCIRC+SWAN Nodal Attribute File 2 Fort.14 ADCIRC+SWAN Grid and Boundary Information File A DCI RC+SW AN Model Parameter and Periodic Boundary Condition 3 Fort.15 File 4 Fort.22 Wind input files developed for storms simulated in ADCIRC 5 Land class data Defines land use in mesh region Reports developed the document mesh development {changes from 6 Documentation FEMA coastal study mesh) and model validation and execution Storm Validation Storm validation forcing files (wind/pressure, fort.22) and water level 7
data and wave measurements for comparison
- 5. The NRC staff requests the licensee provide the information listed below related to the probabilistic evaluation of storm surge. In conjunction with the items below, the staff requests that the licensee include supporting information to assist the staff in identifying relevant information provided as part of the request for additional information (RAI) response such as provision of (1) indices describing the content of various input/output files and (2) field titles (e.g., column headers and row identifiers) for datasets and tables of information. Input and output files, as well as any supporting information, are requested in their native file format (e.g., *.xlsx, *.txt, etc.). Tables of information are requested to be provided in a format suitable for import into mathematical software packages (e.g., as
delimited text files or spreadsheets). PDFs of files are not requested to be submitted unless specifically requested in that format.
a) The licensee is requested to provide a tabulation of input data used to support development of probability distributions for relevant storm parameters and (if applicable) examination of parameter correlations. This includes the HURDAT database pre- and post-application of any filters such as the line-crossing approach used to screen historical hurricanes for evaluation of the distribution for central pressure and associated sampling uncertainty. In addition, the licensee's FHRR references Federal Emergency Management Agency (FEMA) studies as the basis for the following information: (1) historical storm rate, (2) distribution for Rmax*
(3) distribution for v1 , and (4) storm track distribution. If the supporting data used to derive these distributions is available to the licensee, the licensee is requested to provide a tabulation of input data used to support development of the above distributions and storm rate.
b) The licensee is requested to provide computer codes (including subroutines and supporting calculations) and input/output files associated with processing data, computing probability distributions for storm parameters, examining parameter correlations, generating the response surface, developing parameters for the error term distribution, performing the JPM integration, and evaluating sampling uncertainty.
c) The licensee is requested to provide a tabulation of the complete response surface (including values generated using numerical models, the pressure-differential relationship, interpolation, and extrapolation) for each combination of storm parameters. In addition, the licensee is requested to identify the method (e.g.,
numerical model, pressure-differential relationship, interpolation/extrapolation) used to generate each value.
d) The licensee is requested to provide a tabulation of the probability mass functions associated with each storm parameter and error term.
e) The licensee is requested to provide a tabulation of the joint probability mass functions associated with each combination of storm parameters.
- .. ML14168A242 *via email OFFICE NRR/DORULPL 1-2/PM NRR/DORL/LPL 1-2/LA NRO/DSEA/BC NRR/DORL/LPL 1-2/BC NRRIDORL/LPL 1-2/PM NAME Jlamb ABaxter CCook* MKhanna JLamb DATE 06/17/2014 6/25/14 05/29/2014 06/25/2014 06/28/2014