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| Files Size Date & Time MESSAGE 1205 10/8/2012 10:05:24 PM DAEC NFPA 805 Second Audit Report Questions.docx 58510 Options Priority: Standard Return Notification: No Reply Requested: No Sensitivity: Normal Expiration Date: Recipients Received: | | Files Size Date & Time MESSAGE 1205 10/8/2012 10:05:24 PM DAEC NFPA 805 Second Audit Report Questions.docx 58510 Options Priority: Standard Return Notification: No Reply Requested: No Sensitivity: Normal Expiration Date: Recipients Received: |
| 1 ME6818 Adoption of NFPA-805 by Duane Arnold Energy Center (DAEC) Initial Questions Developed at Second Audit of DAEC Conducted on May 30-31, 2012 1. RAI No. 2 Response: | | 1 ME6818 Adoption of NFPA-805 by Duane Arnold Energy Center (DAEC) Initial Questions Developed at Second Audit of DAEC Conducted on May 30-31, 2012 1. RAI No. 2 Response: |
| : a. A): Request that licensee notifies staff when remaining cables have been identified and analyzed. Licensee noted that the expected timeframe to complete data gathering and determine impact on PRA analysis is approximately the end of September 2012. | | : a. A): Request that licensee notifies staff when remaining cables have been identified and analyzed. Licensee noted that the expected timeframe to complete data gathering and determine impact on PRA analysis is approximately the end of September 2012. |
| : b. C): During audit discussions, the staff understood that this statement meant that the increased heat release rate and fire propagation associated with thermoplastic cables did not result in the identification of any additional targets. Staff requests that licensee confirm that understanding at the conclusion of the RAI response. | | : b. C): During audit discussions, the staff understood that this statement meant that the increased heat release rate and fire propagation associated with thermoplastic cables did not result in the identification of any additional targets. Staff requests that licensee confirm that understanding at the conclusion of the RAI response. |
| : 2. RAI No. 4 Response: | | : 2. RAI No. 4 Response: |
| : a. During the audit, staff discussed with the licensee the maximum panel dimension limit of applicability. It is understood that this maximum panel dimension can be exceeded up to a heat release rate of 783 kW without affecting the Generic Treatments assumptions. The clarification question is what if an ignition source located along a wall or in a corner exceeds these dimensions, and therefore the maximum HRR for which the Treatments are applicable? Staff requests that the licensee explain how this upper limit of applicability is not crossed for ignition sources located along a wall or in a corner. | | : a. During the audit, staff discussed with the licensee the maximum panel dimension limit of applicability. It is understood that this maximum panel dimension can be exceeded up to a heat release rate of 783 kW without affecting the Generic Treatments assumptions. The clarification question is what if an ignition source located along a wall or in a corner exceeds these dimensions, and therefore the maximum HRR for which the Treatments are applicable? Staff requests that the licensee explain how this upper limit of applicability is not crossed for ignition sources located along a wall or in a corner. |
| : 3. RAI No. 5 Response: | | : 3. RAI No. 5 Response: |
| : a. Some clarification is required in the definition of 'support role' and technical lead. Based on discussions at the audit, the staff understood that there were more required internal qualifications that what are discussed in this RAI response. Also, it is not clear how qualification for Peer Reviewers (NEI-07-12) translates to qualification for users. The staff requests that the licensee provide additional description to this this RAI response. | | : a. Some clarification is required in the definition of 'support role' and technical lead. Based on discussions at the audit, the staff understood that there were more required internal qualifications that what are discussed in this RAI response. Also, it is not clear how qualification for Peer Reviewers (NEI-07-12) translates to qualification for users. The staff requests that the licensee provide additional description to this this RAI response. |
| : b. Some clarification is required to specifically describe the different processes and procedures that are used for this purpose. Based on the discussions at the audit, the staff understood there were more procedures in place that was what described in the RAI response. The staff requests that the licensee provide additional description to this this RAI response. | | : b. Some clarification is required to specifically describe the different processes and procedures that are used for this purpose. Based on the discussions at the audit, the staff understood there were more procedures in place that was what described in the RAI response. The staff requests that the licensee provide additional description to this this RAI response. |
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| 2 c. Some clarification is required to specifically identify any procedures used to integrate the process of communication between the PRA and fire modeling groups. The staff requests that the licensee provide additional description to this this RAI response. | | 2 c. Some clarification is required to specifically identify any procedures used to integrate the process of communication between the PRA and fire modeling groups. The staff requests that the licensee provide additional description to this this RAI response. |
| : 4. Generic Treatments Review: It was discussed at the audit that when calculating the effect of secondary combustibles, presence of two cable trays placed side by side at a height of 1-ft. above the principal ignition source is assumed to ignite after 5 minutes. Licensee stated that this is likely a conservative approach and a similar overall result will be determined using the FLASH-CAT method. The staff requests the licensee provide additional supporting documentation to justify this statement. The staff requests that the licensee verify that the DAEC configuration is not affected by any non-conservatism in this approach. | | : 4. Generic Treatments Review: It was discussed at the audit that when calculating the effect of secondary combustibles, presence of two cable trays placed side by side at a height of 1-ft. above the principal ignition source is assumed to ignite after 5 minutes. Licensee stated that this is likely a conservative approach and a similar overall result will be determined using the FLASH-CAT method. The staff requests the licensee provide additional supporting documentation to justify this statement. The staff requests that the licensee verify that the DAEC configuration is not affected by any non-conservatism in this approach. |
| : 5. Generic Treatments Review: It was discussed at the audit that it is assumed that the secondary combustibles in the cable trays do not affect the applied ZOI. According to NUREG-6850, Section R.4.2, fire will spread at an angle of 35 degrees (see Figure 1 below). It is not clear what happens to the area that is included in the 35 degree sector, but not included in the rectangular ZOI. The staff requests that the licensee provide additional justification for not using the method described in Section R.4.2 of NUREG 6850. Figure 1. Model for Fire Propagation in a Cable Tray Stack (Figure R-5 from NUREG 6850) | | : 5. Generic Treatments Review: It was discussed at the audit that it is assumed that the secondary combustibles in the cable trays do not affect the applied ZOI. According to NUREG-6850, Section R.4.2, fire will spread at an angle of 35 degrees (see Figure 1 below). It is not clear what happens to the area that is included in the 35 degree sector, but not included in the rectangular ZOI. The staff requests that the licensee provide additional justification for not using the method described in Section R.4.2 of NUREG 6850. Figure 1. Model for Fire Propagation in a Cable Tray Stack (Figure R-5 from NUREG 6850) |
| : 6. Staff request licensee that the CFAST files be electronically provided for Bin 15 of each ignition source and each ventilation condition, including the sensitivity cases for wall/corner fires. During the audit, it was understood this would include approximately 54 input files. Unresolved/unaccounted area (Lines show | | : 6. Staff request licensee that the CFAST files be electronically provided for Bin 15 of each ignition source and each ventilation condition, including the sensitivity cases for wall/corner fires. During the audit, it was understood this would include approximately 54 input files. Unresolved/unaccounted area (Lines show |
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| propagation path) | | propagation path) |
| Horizontal ZOI 3 7. Staff request licensee to provide drawings for fire zones 10E and 10F (fire areas CB2 and CB3) on the portal. | | Horizontal ZOI 3 7. Staff request licensee to provide drawings for fire zones 10E and 10F (fire areas CB2 and CB3) on the portal. |
| : 8. Staff request licensee to provide drawings for fire zones 3a and 3b (second floor of fire area RB3) on the portal.}} | | : 8. Staff request licensee to provide drawings for fire zones 3a and 3b (second floor of fire area RB3) on the portal.}} |
Letter Sequence Other |
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Initiation
- Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request
- Acceptance
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MONTHYEARML1017602192010-06-22022 June 2010 NFPA 805 Transition Pilot Plant FAQ 07-0030, Revision 1 Project stage: Request ML1026401142010-09-16016 September 2010 NFPA 805 Transition Pilot Plant FAQ 07-0030, Revision 4 Project stage: Request ML1030802102010-11-0404 November 2010 NRC Staff Response to NFPA 805 Transition Pilot Plant FAQ 07-0030, Revision 4 Project stage: Request ML1030906022010-11-0404 November 2010 NFPA 805 Transition Pilot Plant FAQ 07-0030, Revision 5 Project stage: Request ML1035103792010-12-17017 December 2010 NFPA 805 Transition Pilot Plant FAQ 08-0054, Revision 1 Project stage: Request ML1100704852011-02-0404 February 2011 Close-out of National Fire Protection Association Frequently Asked 07-0030 on Establishing Recovery Actions Project stage: Request ML1111804812011-04-21021 April 2011 NFPA 805 Transition FAQ 10-0059, Rev 1 Project stage: Request NG-11-0267, Transition to 10 CFR 50.48(c) - NFPA 805 Performance-Based Standard for Fire Protection for Light Water Reactor Generating Plants (2001 Edition) (TSCR-128)2011-08-0505 August 2011 Transition to 10 CFR 50.48(c) - NFPA 805 Performance-Based Standard for Fire Protection for Light Water Reactor Generating Plants (2001 Edition) (TSCR-128) Project stage: Request L-2011-312, Point Beach and St. Lucie, Units 1 and 2 and Turkey Point, Units 3 and 4 - Regarding Online Reference Portal2011-08-0505 August 2011 Point Beach and St. Lucie, Units 1 and 2 and Turkey Point, Units 3 and 4 - Regarding Online Reference Portal Project stage: Request ML11277A2852011-10-0303 October 2011 NRR E-mail Capture - FW: ME6818 - NFPA 805 Adoption Acceptance Review RAIs and Clarification Conference Call of 9/30/2011 Project stage: RAI NG-11-0384, Clarification of Information Contained in License Amendment Request (TSCR-128): Transition to 10 CFR 50.48(c) - NFPA 805 Performance-Based Standard for Fire Protection for Light Water Reactor Generating Plants (2001 Edition) (TSCR-128)2011-10-14014 October 2011 Clarification of Information Contained in License Amendment Request (TSCR-128): Transition to 10 CFR 50.48(c) - NFPA 805 Performance-Based Standard for Fire Protection for Light Water Reactor Generating Plants (2001 Edition) (TSCR-128) Project stage: Request ML11304A1242011-10-27027 October 2011 NRR E-mail Capture - ME6818 - Duane Arnold - LIC-109 Acceptance Review Results - Transition to 10 CFR 50.48(c) - Adoption of NFPA 805 Performance-Based Fire Protection Standard Project stage: Acceptance Review ML11304A1482011-10-28028 October 2011 NRR E-mail Capture - ME6818 - Duane Arnold Adoption of NFPA-805 - Generic List of Documents Requested for the Sharepoint Portal Project stage: Other ML11334A1502011-11-30030 November 2011 NRR E-mail Capture - ME6818 - DAEC NFPA-805 Adoption - Pre-Audit Discussion - 29 Nov 2011 Conference Call Project stage: Other ML12031A1122012-01-31031 January 2012 NRR E-mail Capture - ME6818 - DAEC Adoption of NFPA-805 - Afpb, Ihpb, Apla Request for Additional Information (RAI) Project stage: RAI ML12058A5702012-02-24024 February 2012 NRR E-mail Capture - ME6818 Record of Duane Arnold RAI Clarification Call - Wednesday, February 22, 2012 2:15 PM-3:15 PM ET Project stage: RAI ML12058A5722012-02-27027 February 2012 NRR E-mail Capture - ME6818 - Clarification Conference Call of 2/22/2012 - Licensee and NRC Attendance - Supplemental Record Project stage: Other ML12079A2322012-03-19019 March 2012 NRR E-mail Capture - ME6818 DAEC 60/90 Day Matrix - RAI Processing Identifier Syntax Project stage: RAI NG-12-0177, Response to Request for Additional Information, License Amendment Request to Adopt National Fire Protection Association Standard 805, Performance-Based Standard for Fire Protection for Light Water Reactor Generational Plants2012-04-23023 April 2012 Response to Request for Additional Information, License Amendment Request to Adopt National Fire Protection Association Standard 805, Performance-Based Standard for Fire Protection for Light Water Reactor Generational Plants Project stage: Response to RAI ML12115A0782012-04-24024 April 2012 NRR E-mail Capture - FW: ACRS July 2012 NFPA-805 Subcommittee Meeting - Invitation for DAEC Participation Project stage: Meeting ML1214300352012-05-21021 May 2012 NFPA 805 Transition FAQ 12-0062, Revision 1 Project stage: Request NG-12-0225, Response to Request for Additional Information, License Amendment Request to Adopt National Fire Protection Association Standard 805, Performance-Based Standard for Fire Protection for Light Water Reactor Generating Plants2012-05-23023 May 2012 Response to Request for Additional Information, License Amendment Request to Adopt National Fire Protection Association Standard 805, Performance-Based Standard for Fire Protection for Light Water Reactor Generating Plants Project stage: Response to RAI ML12284A0212012-10-0808 October 2012 NRR E-mail Capture - ME6818 Duane Arnold NFPA-805 - Second Audit Visit Questions (Retrieved Copy) Project stage: Other NG-12-0419, Response to Second Request for Additional Information, License Amendment Request to Adopt National Fire Protection Association Standard 805 Performance-Based Standard for Fire Protection for Light Water Reactor Generating Plants2012-10-15015 October 2012 Response to Second Request for Additional Information, License Amendment Request to Adopt National Fire Protection Association Standard 805 Performance-Based Standard for Fire Protection for Light Water Reactor Generating Plants Project stage: Request ML12304A0692012-10-26026 October 2012 NRR E-mail Capture - ME6818, Additional RAIs for Duane Arnold Energy Center, LAR to Adopt NFPA 805 Project stage: RAI ML12318A3942012-11-0808 November 2012 NRR E-mail Capture - ME6818 - DAEC Adoption of NFPA-805 - Record of RAI Clarification Conference Call Conducted on 11/08/2012 Project stage: RAI ML12340A4502012-12-0505 December 2012 NRR E-mail Capture - ME6818 - DAEC Adoption of NFPA 805 - Request for Additional Information (RAI) Items - Round 2 (More) Project stage: RAI ML12355A0722012-12-19019 December 2012 NRR E-mail Capture - FW: ME6818 - DAEC NFPA-805 Adoption - Record of Revisions to RAI Items, Expected Response Schedule, Participants List for Meetings on 17-18 December 2012 Project stage: RAI ML12361A0192012-12-23023 December 2012 NRR E-mail Capture - Supplement to ML12355A072 (RAI Issed as an Email on 12/19/2012, at 4:08 PM ET) Project stage: RAI NG-12-0502, Response to Request for Additional Information, License Amendment Request to Adopt National Fire Protection Association Standard 805, Performance-Based Standard for Fire Protection for Light Water Reactor Generating Plants2013-01-11011 January 2013 Response to Request for Additional Information, License Amendment Request to Adopt National Fire Protection Association Standard 805, Performance-Based Standard for Fire Protection for Light Water Reactor Generating Plants Project stage: Response to RAI NG-13-0056, Response to RAI, License Amendment Request to Adopt National Fire Protection Association Standard 805, Performance-Based Standard for Fire Protection for Light Water Reactor Generating Plants2013-02-12012 February 2013 Response to RAI, License Amendment Request to Adopt National Fire Protection Association Standard 805, Performance-Based Standard for Fire Protection for Light Water Reactor Generating Plants Project stage: Response to RAI NG-13-0102, Response to Request for Additional Information, License Amendment Request to Adopt National Fire Protection Association Standard 805, Performance-Based Standard for Fire Protection for Light Water Reactor Generating Plants2013-03-0606 March 2013 Response to Request for Additional Information, License Amendment Request to Adopt National Fire Protection Association Standard 805, Performance-Based Standard for Fire Protection for Light Water Reactor Generating Plants Project stage: Response to RAI ML13070A0352013-03-0808 March 2013 NRR E-mail Capture - ME6818 - DA - NFPA-805 Adoption - Request for Portal Locations to Selected RAI Responses Project stage: RAI ML13084A0042013-03-22022 March 2013 NRR E-mail Capture - ME6818 DAEC Adoption of NFPA-805 - Request for Additional Information Project stage: RAI ML13098B0722013-04-0707 April 2013 NRR E-mail Capture - ME6818 - DAEC Adoption of NFPA-805 - Request for Additional Information (Revised) Project stage: RAI ML13119A2202013-04-26026 April 2013 NRR E-mail Capture - FW: ME6818-DAEC-Adoption of NFPA-805- RAI Dated 4/7/2013 - Record of Clarification Call of April 11, 2013 Project stage: RAI NG-13-0182, Response to Request for Additional Information, License Amendment Request to Adopt National Fire Protection Association Standard 805, Performance-Based Standard for Fire Protection for Light Water Reactor Generating Plants2013-05-0101 May 2013 Response to Request for Additional Information, License Amendment Request to Adopt National Fire Protection Association Standard 805, Performance-Based Standard for Fire Protection for Light Water Reactor Generating Plants Project stage: Response to RAI ML13129A0742013-05-0808 May 2013 NRR E-mail Capture - ME6818 - DAEC - Adoption of NFPA 805 - Request for Additional Information (RAI) Project stage: RAI NG-13-0240, Response to Request for Additional Information, License Amendment Request to Adopt National Fire Protection Association Standard 805, Performance-Based Standard for Fire Protection for Light Water Reactor Generating Plants2013-05-29029 May 2013 Response to Request for Additional Information, License Amendment Request to Adopt National Fire Protection Association Standard 805, Performance-Based Standard for Fire Protection for Light Water Reactor Generating Plants Project stage: Response to RAI ML13175A3932013-06-27027 June 2013 Request for Additional Information for Review Regarding License Amendment Request to Adopt National Fire Protection Association Standard 805 Project stage: RAI NG-13-0281, Response to Request for Additional Information, License Amendment Request to Adopt National Fire Protection Association Standard 805, Performance-Based Standard for Fire Protection for Light Water Reactor Generating Plants2013-07-0202 July 2013 Response to Request for Additional Information, License Amendment Request to Adopt National Fire Protection Association Standard 805, Performance-Based Standard for Fire Protection for Light Water Reactor Generating Plants Project stage: Response to RAI NG-13-0287, Response to Request for Additional Information, License Amendment Request to Adopt National Fire Protection Association Standard 805, Performance-Based Standard for Fire Protection for Light Water Reactor Generating Plants2013-07-0202 July 2013 Response to Request for Additional Information, License Amendment Request to Adopt National Fire Protection Association Standard 805, Performance-Based Standard for Fire Protection for Light Water Reactor Generating Plants Project stage: Response to RAI ML13210A4582013-07-30030 July 2013 Revised License Condition for the License Amendment Request to Adopt National Fire Protection Association Standard 805, Performance-Based Standard for Fire Protection for Light Water Reactor Electric Generating Plants Project stage: Other NG-13-0318, Response to Revised License Condition for the License Amendment Request to Adopt National Fire Protection Association Standard 805, Performance-Based Standard for Fire Protection for Light Water Reactor Generation Plants2013-08-0505 August 2013 Response to Revised License Condition for the License Amendment Request to Adopt National Fire Protection Association Standard 805, Performance-Based Standard for Fire Protection for Light Water Reactor Generation Plants Project stage: Request NG-13-0341, Response to Revised License Condition for the License Amendment Request to Adopt National Fire Protection Association Standard 805, Performance-Based Standard for Fire Protection for Light Water Reactor Generating Plants2013-08-28028 August 2013 Response to Revised License Condition for the License Amendment Request to Adopt National Fire Protection Association Standard 805, Performance-Based Standard for Fire Protection for Light Water Reactor Generating Plants Project stage: Request ML13210A4492013-09-10010 September 2013 Issuance of Amendment Regarding Transition to a Risk-Informed Performance-Based Fire Protection Program in Accordance with 10 CFR 50.48(c) Project stage: Approval 2012-02-27
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Category:E-Mail
MONTHYEARML24249A1362024-09-0404 September 2024 EN 57304 - Westinghouse Electric Company, LLC, Final Report - No Embedded Files. Notification of the Potential Existence of Defects Pursuant to 10 CFR Part 21 ML24122C6922024-05-0101 May 2024 NextEra Fleet EP Amendment - Demonstration Drill ML23109A1862023-04-19019 April 2023 And Turkey Point – Acceptance of Requested Licensing Action Proposed Alternative to Asme Section XI Authorizing Implementation of Asme Code Case N-752-1 ML22067A0922022-03-0303 March 2022 State Consultation - Duane Arnold ISFSI-Only EP License Amendment ML22040A1162022-02-0808 February 2022 Email to G. Van Noordennen Zion and La Crosse Review Schedule Changes ML22027A3582022-01-26026 January 2022 DAEC: CY2022 Inspection Plan, Docket No: 05000331, License No: DPR-49 ML22007A3102022-01-0505 January 2022 State Consultation - Draft No Significant Hazards Determination Regarding a LAR for NextEra Energy Duane Arnold, LLC, Duane Arnold Energy Center ISFSI in Palo, Iowa ML22005A0992022-01-0404 January 2022 Email from a Snyder to a Leek Re State Consultation - Draft No Significant Hazards Determination - License Amend. Req. for NextEra Energy, LLC, DAEC ISFSI in Palo, Iowa ML22005A0862022-01-0404 January 2022 1-4-2022 Email Communication to Duane Arnold Regarding Its ISFSI Related Exemption Request on Supplemental Information Needed ML22005A1012022-01-0404 January 2022 Email from a Leek to a Snyder Re State Consultation - Draft No Significant Hazards Determination - License Amend. Req. for NextEra Energy, LLC, DAEC ISFSI in Palo Iowa ML22004A0122022-01-0303 January 2022 E-mail from M. Davis, NextEra, to A. Snyder, NRC, - Duane Arnold Energy Center - Supplement Information to Technical Specification Amendment Application ML21354A6722021-12-17017 December 2021 Email to State of Iowa - Draft EA on Duane Arnold Exemption ML21214A0502021-08-0101 August 2021 Acceptance of License Amendment Request to Adopt an ISFSI-Only Physical Security Plan ML21214A0482021-08-0101 August 2021 Acceptance of License Amendment Request to Adopt an ISFSI-Only Emergency Plan ML21165A1212021-06-10010 June 2021 E-mail from M. Davis, Duane Arnold, to M. Doell and R. Edwards, NRC - Duane Arnold Defueled Emergency Plan Implementation Confirmation ML21117A2752021-04-26026 April 2021 Acceptance of Updated Spent Fuel Management Plan ML21089A2092021-03-19019 March 2021 Spent Fuel Pattern Procedure ML21068A3352021-03-0707 March 2021 Acceptance of License Amendment Request to Adopt ISFSI-Only Technical Specifications ML21056A2172021-02-17017 February 2021 Acceptance of License Amendment Request to Revise the Physical Security Plan Requirements ML21032A1852021-02-0101 February 2021 Daec_ CY2021 Inspection Plan ML21006A4052021-01-0606 January 2021 NRR E-mail Capture - Final RAI - Duane Arnold - Post-Shutdown Decommissioning Activities Report ML20338A0032020-12-0101 December 2020 Letter from EPRI to Mr. Scott Wall, BWRVIP 2020-100, 288 Surveillance Capsule Test Results Report ML20316A0212020-11-10010 November 2020 NRR E-mail Capture - Final RAI - Duane Arnold - Duane Arnold Amendment for Proposed Defueled EP and EAL Scheme ML20289A3522020-10-14014 October 2020 NRR E-mail Capture - Duane Arnold Energy Center -Acceptance of Requested Licensing Action, One-Time Exemption from 10 CFR 50, Appendix E, Biennial Emergency Preparedness Exercise Requirements Due to COVID-19 Pandemic (EPID No. L-2020-LLE-01 ML20153A3772020-05-28028 May 2020 NRR E-mail Capture - Request for Additional Information - Duane Arnold Energy Center Quality Assurance Topical Report (FPL-3) - EPID L-2020-LLQ-0002) ML20154K6202020-05-27027 May 2020 COVID-19 Preparedness Assessments for FEMA Region VII Duane Arnold Energy Center (DAEC) and Quad Cities Generating Station (Qcgs) ML20141L8132020-05-19019 May 2020 NRR E-mail Capture - Request for Additional Information - Duane Arnold Energy Center (DAEC) - Exemption Request for Security Training Requirements Due to COVID-19 Pandemic - EPID L-2020-LLE-0042 to 45, L-2020-LLE-0051 ML20129J8282020-05-0606 May 2020 NRR E-mail Capture - LIC-109 Acceptance Review of Duane Arnold Request for Exemption from Portions of 10 CFR 50.47 and Appendix E - EPID L-2020-LLE-0023 ML20127H8662020-05-0505 May 2020 NRR E-mail Capture - Duane Arnold Energy Center (DAEC) - Request for Additional Information (RAI) - Request for Exemptions from 10 CFR 50.82(a)(8)(i)(A) and 1O CFR 50.75(h)(1)(iv) - EPID L-2020-LLE-0011 ML20122A1152020-04-30030 April 2020 NRR E-mail Capture - Duane Arnold Energy Center -Acceptance of Post-Shutdown Decommissioning Activities Report ML20087F2872020-03-26026 March 2020 NRR E-mail Capture - LIC-109 Acceptance Review of Duane Arnold Request for Exemption from 10 CFR 50.82(a)(8)(i)(A) and 1O CFR 50.75(h)(1)(iv) - EPID L-2020-LLE-0011 ML20129J8322020-03-19019 March 2020 NRR E-mail Capture - (External_Sender) Teleconference with Nextra Energy - Duane Arnold Physical Security Plan LIC-109 Review Status ML20022A3602020-01-22022 January 2020 NRR E-mail Capture - Duane Arnold Energy Center - Acceptance of Requested Licensing Action, Proposed Partial Exemption from Record Retention Requirements ML19352G6872019-12-11011 December 2019 12-11-19 Email to FEMA: Response to FEMA Questions on Proposed DAEC Emergency Plan ML19302G9732019-10-29029 October 2019 NRR E-mail Capture - LIC-109 Acceptance of Duane Arnold Energy Center (DAEC) - License Amendment Request (TSCR- 186): Removal of License Condition 2.C.(3), Fire Protection Program - EPID L-2019-LLA-0211 ML19302G3212019-10-29029 October 2019 LIC-109 Acceptance of Duane Arnold Energy Center (DAEC) - License Amendment Request (TSCR- 186) - Removal of License Condition 2.C.(3), Fire Protection Program - EPID L-2019-LLA-0211 ML19280A0352019-10-0404 October 2019 NRR E-mail Capture - Final - RAI Related to License Amendment Request (TSCR-182) for Proposed Changes to the Emergency Plan for Permanently Defueled Conditions at Duane Arnold Energy Center (DAEC) - L-2019-LLA-0075 ML19206A2182019-07-25025 July 2019 NRR E-mail Capture - LIC-109 Acceptance of Duane Arnold Energy Center (DAEC) - License Amendment Request (TSCR-183) - Application to Revise Operating License and TS for Permanently Defueled Condition - EPID L-2019-LLA-0130 ML19183A0172019-06-26026 June 2019 NRR E-mail Capture - LIC-109 Acceptance of Request for Change in the BWRVIP Integrated Surveillance Program Test Schedule to Accommodate Early Closure of the Duane Arnold Energy Center - EPID L-2019-LRO-0042 ML19122A4882019-04-29029 April 2019 NRR E-mail Capture - LIC-109 Acceptance of License Amendment Request (TSCR-182) for Duane Arnold Energy Center (DAEC) - Proposed Changes to the Emergency Plan for Permanently Defueled Condition - EPID L-2019-LLA-0075 ML19086A3502019-03-27027 March 2019 NRR E-mail Capture - LIC-109 Acceptance of the Request for Exemption from 10 CFR 73.55(p)(1)(I) and 10 CFR 73.55(p)(1)(ii) for Duane Arnold Energy Center - EPID L-2019-LLE-0003 ML19064A2032019-03-0404 March 2019 NRR E-mail Capture - Results of LIC-109 Acceptance Review - Duane Arnold Energy Center - Request for Approval of Certified Fuel Handler Training Program, EPID L-2019-LLL-0003 ML18283B0522018-10-0909 October 2018 NRR E-mail Capture - Final Second Round - Request for Additional Information (RAI) - Duane Arnold Energy Center (DAEC) - LAR TSCR-166, Adoption of EAL Scheme Pursuant to NEI 99-01 - EPID L-2017-LLA-0420 ML18255A2922018-09-11011 September 2018 NRR E-mail Capture - Draft Second Round - Request for Additional Information (RAI) - Duane Arnold Energy Center (DAEC) - LAR TSCR-166, Adoption of EAL Scheme Pursuant to NEI 99-01 - EPID L-2017-LLA-0420 ML18166A2982018-06-15015 June 2018 NRR E-mail Capture - Draft Request for Additional Information (RAI) - Duane Arnold Energy Center (DAEC) - LAR TSCR-166, Adoption of EAL Scheme Pursuant to NEI 99-01 - EPID L-2017-LLA-0420 ML18108A3102018-04-12012 April 2018 NRR E-mail Capture - Audit at NextEra Headquarters, Juno Beach, Florida - April 24, 2018 Through April 26, 2018 - 50.69 LARs for Duane Arnold Energy Center (Daec), and Point Beach Nuclear Plant (Pbnp), Units 1 and 2 - EPIDs L-2017-LLA-0283/ ML18088A0102018-03-28028 March 2018 NRR E-mail Capture - Final RAI for Duane Arnold (DAEC) 5th-10 Year ISI (RR-05) ML18037B0032018-02-0606 February 2018 NRR E-mail Capture - Draft Request for Additional Information - Duane Arnold Energy Center (DAEC) - License Amendment Request (TSCR-170), Revision to Technical Specification 3.5.1, ECCS-Operating - EPID L-2017-LLA-0288 ML18025A2362018-01-24024 January 2018 NRR E-mail Capture - Resent - LIC-109 Acceptance - Duane Arnold LAR (TSCR-166) - Adoption of Emergency Action Level (EAL) Scheme Pursuant to NEI 99-01, Revision 6, Development of EALs for Non-Passive Reactors ML18023A0752018-01-22022 January 2018 NRR E-mail Capture - LIC-109 Acceptance - Duane Arnold License Amendment Request (LAR) (TSCR-179) - Application to Add Technical Specification 3.2.3, Linear Heat Generation Rate - EPID: L-2017-LLA-0436 2024-09-04
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1 NRR-PMDAPEm Resource From:Feintuch, Karl Sent: Monday, October 08, 2012 10:05 PM To: 'Swenzinski, Laura' Cc:Feintuch, Karl
Subject:
ME6818 Duane Arnold NFPA-805 - Second audit visit questions [retrieved copy]
Attachments:
DAEC NFPA 805 Second Audi t Report Questions.docxRe: your enquiry today (10/8/2012) for a second copy of the message and ADAMS Accession Number for the RAI questions that you are currently processing.
The email message below appears to be the transmittal email that provided the copy of the RAI items that you are presently processing. While you are verifying the attachment. I will search for an ADAMS Accession Number corresponding to the message below.
Karl Feintuch
301-415-3079 From: Feintuch, Karl Sent: Monday, June 25, 2012 10:26 AM To: Swenzinski, Laura
Subject:
FW: ME6818 Duane Arnold NFPA-805 - Second audit visit questions Attached is a set of questions associated with the second audit visit of DAEC on May 30-31, 2011. These items should correspond to the questions provided by Iqbal Naeem at the time of the visit.
Please document each item as part of your associated response. If you note any material discrepancy or need further clarification, please contact me.
When you have assigned reference numbers to the responses to be placed on the Portal and have dates established for those responses, please provide that information.
Karl Feintuch USNRC 301-415-3079 Hearing Identifier: NRR_PMDA Email Number: 503 Mail Envelope Properties (26E42474DB238C408C94990815A02F099910685CF4)
Subject:
ME6818 Duane Arnold NFPA-805 - Second audit visit questions [retrieved copy] Sent Date: 10/8/2012 10:05:23 PM Received Date: 10/8/2012 10:05:24 PM From: Feintuch, Karl Created By: Karl.Feintuch@nrc.gov Recipients: "Feintuch, Karl" <Karl.Feintuch@nrc.gov>
Tracking Status: None "'Swenzinski, Laura'" <Laura.Swenzinski@fpl.com>
Tracking Status: None Post Office: HQCLSTR01.nrc.gov
Files Size Date & Time MESSAGE 1205 10/8/2012 10:05:24 PM DAEC NFPA 805 Second Audit Report Questions.docx 58510 Options Priority: Standard Return Notification: No Reply Requested: No Sensitivity: Normal Expiration Date: Recipients Received:
1 ME6818 Adoption of NFPA-805 by Duane Arnold Energy Center (DAEC) Initial Questions Developed at Second Audit of DAEC Conducted on May 30-31, 2012 1. RAI No. 2 Response:
- a. A): Request that licensee notifies staff when remaining cables have been identified and analyzed. Licensee noted that the expected timeframe to complete data gathering and determine impact on PRA analysis is approximately the end of September 2012.
- b. C): During audit discussions, the staff understood that this statement meant that the increased heat release rate and fire propagation associated with thermoplastic cables did not result in the identification of any additional targets. Staff requests that licensee confirm that understanding at the conclusion of the RAI response.
- 2. RAI No. 4 Response:
- a. During the audit, staff discussed with the licensee the maximum panel dimension limit of applicability. It is understood that this maximum panel dimension can be exceeded up to a heat release rate of 783 kW without affecting the Generic Treatments assumptions. The clarification question is what if an ignition source located along a wall or in a corner exceeds these dimensions, and therefore the maximum HRR for which the Treatments are applicable? Staff requests that the licensee explain how this upper limit of applicability is not crossed for ignition sources located along a wall or in a corner.
- 3. RAI No. 5 Response:
- a. Some clarification is required in the definition of 'support role' and technical lead. Based on discussions at the audit, the staff understood that there were more required internal qualifications that what are discussed in this RAI response. Also, it is not clear how qualification for Peer Reviewers (NEI-07-12) translates to qualification for users. The staff requests that the licensee provide additional description to this this RAI response.
- b. Some clarification is required to specifically describe the different processes and procedures that are used for this purpose. Based on the discussions at the audit, the staff understood there were more procedures in place that was what described in the RAI response. The staff requests that the licensee provide additional description to this this RAI response.
2 c. Some clarification is required to specifically identify any procedures used to integrate the process of communication between the PRA and fire modeling groups. The staff requests that the licensee provide additional description to this this RAI response.
- 4. Generic Treatments Review: It was discussed at the audit that when calculating the effect of secondary combustibles, presence of two cable trays placed side by side at a height of 1-ft. above the principal ignition source is assumed to ignite after 5 minutes. Licensee stated that this is likely a conservative approach and a similar overall result will be determined using the FLASH-CAT method. The staff requests the licensee provide additional supporting documentation to justify this statement. The staff requests that the licensee verify that the DAEC configuration is not affected by any non-conservatism in this approach.
- 5. Generic Treatments Review: It was discussed at the audit that it is assumed that the secondary combustibles in the cable trays do not affect the applied ZOI. According to NUREG-6850, Section R.4.2, fire will spread at an angle of 35 degrees (see Figure 1 below). It is not clear what happens to the area that is included in the 35 degree sector, but not included in the rectangular ZOI. The staff requests that the licensee provide additional justification for not using the method described in Section R.4.2 of NUREG 6850. Figure 1. Model for Fire Propagation in a Cable Tray Stack (Figure R-5 from NUREG 6850)
- 6. Staff request licensee that the CFAST files be electronically provided for Bin 15 of each ignition source and each ventilation condition, including the sensitivity cases for wall/corner fires. During the audit, it was understood this would include approximately 54 input files. Unresolved/unaccounted area (Lines show
propagation path)
Horizontal ZOI 3 7. Staff request licensee to provide drawings for fire zones 10E and 10F (fire areas CB2 and CB3) on the portal.
- 8. Staff request licensee to provide drawings for fire zones 3a and 3b (second floor of fire area RB3) on the portal.