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Category:E-Mail
MONTHYEARML23109A1862023-04-19019 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
ML22005A0862022-01-0404 January 2022
1-4-2022 Email Communication to Duane Arnold Regarding Its ISFSI Related Exemption Request on Supplemental Information Needed
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
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
ML21214A0482021-08-0101 August 2021
Acceptance of License Amendment Request to Adopt an ISFSI-Only Emergency Plan
ML21214A0502021-08-0101 August 2021
Acceptance of License Amendment Request to Adopt an ISFSI-Only Physical Security 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
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
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
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
ML18019A0732018-01-18018 January 2018
NRR E-mail Capture - LIC-109 Acceptance - Duane Arnold License Amend Request (LAR)(TSCR-178) - Application to Reduce the Required Number of Operable Suppression Chamber-to-Drywell Vacuum Breakers
ML17355A0132017-12-20020 December 2017
NRR E-mail Capture - LIC-109 Acceptance of Duane Arnold LAR TSCR-177, Application to Revise Tech Spec to Adopt TSTF-551, Revise Secondary Containment Surveillance Requirements - EPID: L-2017-LLA-0385
2023-04-19
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Text
NRR-PMDAPEm Resource From: Chawla, Mahesh Sent: Tuesday, August 05, 2014 3:16 PM To: Davis, J.Michael (J.Michael.Davis@nexteraenergy.com);
laura.swenzinski@nexteraenergy.com Cc: Pelton, David; Zimmerman, Jacob; Foli, Adakou; Ray, Sheila; Haeg, Lucas; Steffes, Jakob; Lipa, Christine; Phillips, Charles; Mathew, Roy; Martinez-Navedo, Tania
Subject:
Request For Additional Information - Duane Arnold - LAR - TS Change Regarding Battery Terminal and Charger Voltage and Amperage Section Affected 3.8.4 - MF2763 By letter dated August 29, 2013 (Agencywide Document Access Management System Accession Number (ML13247A275), Nextera Energy Duane Arnold, LLC (the licensee) requested an amendment to the Renewed Facility Operating License No. DPR-49 for the Duane Arnold Energy Center (DAEC). The proposed change would revise DAEC Technical Specifications (TS) Surveillance Requirements (SRs) 3.8.4.1 and 3.8.4.6 by changing the battery terminal voltage and the battery charger voltage and amperage to account for the replacement of the existing 58 cell batteries with new 60 cell batteries.
On May 28, 2014 (ML14154A007) the licensee provided response to NRC staffs request for additional information sent via an email on April 24, 2014 (ML14115A441). In its letter dated July 24, 2014 (ML14209A921), the licensee provided a letter from the battery manufacturer C&D Technologies, Inc.,
regarding the impacts of equalizing voltage range of 2.28-2.29 volts per cell on the DAEC batteries.
The NRC staff reviewed the information provided in this letter and has following comments and additional request for information.
Request For Additional Information This equalizing voltage range is outside the recommended equalizing voltage range for this type of cells; the recommended equalizing voltage range is 2.33 to 2.38 volts per cell. The manufacturers letter stated that the time required for completing a recharge would be extended when the voltage is limited to 2.29 Vpc and there would be limited mixing of the electrolyte such that it would take a long time for the specific gravity reading to represent the strength of the electrolyte.
The licensee clarified that DAEC only discharges the batteries during extended/refuel outages and the equalization/recharge portion of the testing procedures continues until the batteries are properly charged and all the individual cell voltages and specific gravities are verified before the batteries are placed back on float charge.
- 1. DAEC Updated Final Safety Analysis Report (UFSAR) Chapter 8, Section 8.3.2.1.2, states:
Each battery charger is sized to restore its battery to full charge after a 4-hour emergency discharge while carrying normal steady state DC loads.
- a. Provide the design basis/duration for DAEC battery chargers to fully charge their respective batteries after a 4-hour emergency discharge while carrying normal steady state DC loads. In this case, discuss the impacts of the extended recharge time due to the lower equalizing voltage per cell on the battery chargers, the operability of the batteries, and the DC power systems.
- b. Since the manufacturers letter stated that it would take a long time for the specific gravity reading to represent the strength of the electrolyte, discuss how the licensee would ensure that the batteries are fully charge after a 4-hour emergency discharge while being connected to the DC system.
- 2. Confirm whether the battery recharge time is credited in an accident analysis. If so, discuss the impacts of a longer recharge time on the results of the analysis.
1
Please arrange a teleconference to discuss this information with the NRC staff at your earliest. Thanks Mahesh Chawla Project Manager Phone: 301-415-8371 Fax: 301-415-1222 mahesh.chawla@nrc.gov 2
Hearing Identifier: NRR_PMDA Email Number: 1486 Mail Envelope Properties (Mahesh.Chawla@nrc.gov20140805151600)
Subject:
Request For Additional Information - Duane Arnold - LAR - TS Change Regarding Battery Terminal and Charger Voltage and Amperage Section Affected 3.8.4 - MF2763 Sent Date: 8/5/2014 3:16:16 PM Received Date: 8/5/2014 3:16:00 PM From: Chawla, Mahesh Created By: Mahesh.Chawla@nrc.gov Recipients:
"Pelton, David" <David.Pelton@nrc.gov>
Tracking Status: None "Zimmerman, Jacob" <Jacob.Zimmerman@nrc.gov>
Tracking Status: None "Foli, Adakou" <Adakou.Foli@nrc.gov>
Tracking Status: None "Ray, Sheila" <Sheila.Ray@nrc.gov>
Tracking Status: None "Haeg, Lucas" <Lucas.Haeg@nrc.gov>
Tracking Status: None "Steffes, Jakob" <Jakob.Steffes@nrc.gov>
Tracking Status: None "Lipa, Christine" <Christine.Lipa@nrc.gov>
Tracking Status: None "Phillips, Charles" <Charles.Phillips@nrc.gov>
Tracking Status: None "Mathew, Roy" <Roy.Mathew@nrc.gov>
Tracking Status: None "Martinez-Navedo, Tania" <Tania.Martinez-Navedo@nrc.gov>
Tracking Status: None "Davis, J.Michael (J.Michael.Davis@nexteraenergy.com)" <J.Michael.Davis@nexteraenergy.com>
Tracking Status: None "laura.swenzinski@nexteraenergy.com" <laura.swenzinski@nexteraenergy.com>
Tracking Status: None Post Office:
Files Size Date & Time MESSAGE 3390 8/5/2014 3:16:00 PM Options Priority: Standard Return Notification: No Reply Requested: No Sensitivity: Normal Expiration Date:
Recipients Received:
