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| | number = ML16075A003 | | | number = ML16075A003 |
| | issue date = 03/14/2016 | | | issue date = 03/14/2016 |
| | title = 2016/03/14 NRR E-mail Capture - Request for Additional Information - Duane Arnold Energy Center - LAR to Reduce the Reactor Steam Dome Pressure Specified in the Technical Specifications 2.1.1, Reactor Core Safety Limits - MF6618 | | | title = NRR E-mail Capture - Request for Additional Information - Duane Arnold Energy Center - LAR to Reduce the Reactor Steam Dome Pressure Specified in the Technical Specifications 2.1.1, Reactor Core Safety Limits - MF6618 |
| | author name = Chawla M L | | | author name = Chawla M |
| | author affiliation = NRC/NRR/DORL/LPLIII-1 | | | author affiliation = NRC/NRR/DORL/LPLIII-1 |
| | addressee name = Swenzinski L | | | addressee name = Swenzinski L |
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| | document type = E-Mail, Request for Additional Information (RAI) | | | document type = E-Mail, Request for Additional Information (RAI) |
| | page count = 2 | | | page count = 2 |
| | | project = |
| | | stage = RAI |
| }} | | }} |
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| =Text= | | =Text= |
| {{#Wiki_filter:1 NRR-PMDAPEm Resource From:Chawla, Mahesh Sent: Monday, March 14, 2016 4:17 PM To:laura.swenzinski@nexteraener gy.com; Davis, J.Michael (J.Michael.Davis@nexteraenergy.com); Cross, William (WILLIAM.CROSS@fpl.com) | | {{#Wiki_filter:NRR-PMDAPEm Resource From: Chawla, Mahesh Sent: Monday, March 14, 2016 4:17 PM To: laura.swenzinski@nexteraenergy.com; Davis, J.Michael (J.Michael.Davis@nexteraenergy.com); Cross, William (WILLIAM.CROSS@fpl.com) |
| Cc:Oesterle, Eric; Razzaque, Muhammad; Tilton, Caroline; Elliott, Robert; Wrona, David; Norton, Charles; Steffes, Jakob; Phillips, Charles; Stoedter, Karla | | Cc: Oesterle, Eric; Razzaque, Muhammad; Tilton, Caroline; Elliott, Robert; Wrona, David; Norton, Charles; Steffes, Jakob; Phillips, Charles; Stoedter, Karla |
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| ==Subject:== | | ==Subject:== |
| Request For Additional Information - Duane Ar nold Energy Center - LAR to reduce the Reactor Steam Dome Pressure specified in th e Tech Spec 2.1.1, "Reactor Core Safety Limits" - MF6618By letter dated August 6, 2015 (ADAMS Accession No.ML15246A410), NextEra Energy Duane Arnold (NextEra), the licensee for Duane Arnold Energy Center (DAEC), requested an amendment to revise the DAEC Technical Specifications (TS). The proposed change involves reduction of the reactor steam dome pressure specified within Reactor Core Safety Limits Specification 2.1.1, in the TS. This change resolves a 10 CFR Part 21 condition concerning a potential to momentarily violate Reactor Core Safety Limit 2.1.1.1 and 2.1.1.2 during a Pressure Regulator Failure Maximum Demand (Open) transient. In order to complete the safety evaluation of the subject application, the NRC is requesting the following additional information: | | Request For Additional Information - Duane Arnold Energy Center - LAR to reduce the Reactor Steam Dome Pressure specified in the Tech Spec 2.1.1, "Reactor Core Safety Limits" - MF6618 By letter dated August 6, 2015 (ADAMS Accession No.ML15246A410), NextEra Energy Duane Arnold (NextEra), the licensee for Duane Arnold Energy Center (DAEC), requested an amendment to revise the DAEC Technical Specifications (TS). The proposed change involves reduction of the reactor steam dome pressure specified within Reactor Core Safety Limits Specification 2.1.1, in the TS. This change resolves a 10 CFR Part 21 condition concerning a potential to momentarily violate Reactor Core Safety Limit 2.1.1.1 and 2.1.1.2 during a Pressure Regulator Failure Maximum Demand (Open) transient. In order to complete the safety evaluation of the subject application, the NRC is requesting the following additional information: |
| RAI - 1 In page 4 of the application, dated August 6, 2015, the license stated, Duane Arnold proposes to utilize the fact that the GE14 and GNF2 fuel that comprise the DAEC core, utilize critical power correlations that have an approved pressure range from 700 to 1400 psia. | | RAI - 1 In page 4 of the application, dated August 6, 2015, the license stated, Duane Arnold proposes to utilize the fact that the GE14 and GNF2 fuel that comprise the DAEC core, utilize critical power correlations that have an approved pressure range from 700 to 1400 psia. |
| | |
| Converting 700 psia to psig, the lower bound pressure for the GEXL17 and GEXL14 correlations is approximately 685.3 psig. As such, the 685 psig value specified in the proposed TS change is slightly outside the pressure range in which the GEXL17 and GEXL14 correlations are valid for GNF2 and GE14 fuel. Please provide further justification for the proposed 685 psig value or propose a revised pressure value for this TS change that is supported by the GEXL17 and GEXL14 correlations (e.g., 700 psia). | | Converting 700 psia to psig, the lower bound pressure for the GEXL17 and GEXL14 correlations is approximately 685.3 psig. As such, the 685 psig value specified in the proposed TS change is slightly outside the pressure range in which the GEXL17 and GEXL14 correlations are valid for GNF2 and GE14 fuel. Please provide further justification for the proposed 685 psig value or propose a revised pressure value for this TS change that is supported by the GEXL17 and GEXL14 correlations (e.g., 700 psia). |
| Please arrange a teleconference to discuss the requested information, and provide your response on the docket no later than 30 days from the receipt of this email. Thanks | | Please arrange a teleconference to discuss the requested information, and provide your response on the docket no later than 30 days from the receipt of this email. Thanks Mahesh Chawla Project Manager Phone: 301-415-8371 Fax: 301-415-1222 mahesh.chawla@nrc.gov 1 |
| | |
| Mahesh Chawla | |
| | |
| Project Manager | |
|
| |
|
| Phone: 301-415-8371
| | Hearing Identifier: NRR_PMDA Email Number: 2709 Mail Envelope Properties (Mahesh.Chawla@nrc.gov20160314161700) |
| | |
| Fax: 301-415-1222 mahesh.chawla@nrc.gov
| |
| | |
| Hearing Identifier: NRR_PMDA Email Number: 2709 Mail Envelope Properties (Mahesh.Chawla@nrc.gov20160314161700) | |
|
| |
|
| ==Subject:== | | ==Subject:== |
| Request For Additional Information - Duane Arnold Energy Center - LAR to reduce the Reactor Steam Dome Pressure specified in the Tech Spec 2.1.1, "Reactor Core Safety Limits" - MF6618 Sent Date: 3/14/2016 4:17:10 PM Received Date: 3/14/2016 4:17:00 PM From: Chawla, Mahesh Created By: Mahesh.Chawla@nrc.gov | | Request For Additional Information - Duane Arnold Energy Center - LAR to reduce the Reactor Steam Dome Pressure specified in the Tech Spec 2.1.1, "Reactor Core Safety Limits" |
| | - MF6618 Sent Date: 3/14/2016 4:17:10 PM Received Date: 3/14/2016 4:17:00 PM From: Chawla, Mahesh Created By: Mahesh.Chawla@nrc.gov Recipients: |
| | "Oesterle, Eric" <Eric.Oesterle@nrc.gov> |
| | Tracking Status: None "Razzaque, Muhammad" <Muhammad.Razzaque@nrc.gov> |
| | Tracking Status: None "Tilton, Caroline" <Caroline.Tilton@nrc.gov> |
| | Tracking Status: None "Elliott, Robert" <Robert.Elliott@nrc.gov> |
| | Tracking Status: None "Wrona, David" <David.Wrona@nrc.gov> |
| | Tracking Status: None "Norton, Charles" <Charles.Norton@nrc.gov> |
| | Tracking Status: None "Steffes, Jakob" <Jakob.Steffes@nrc.gov> |
| | Tracking Status: None "Phillips, Charles" <Charles.Phillips@nrc.gov> |
| | Tracking Status: None "Stoedter, Karla" <Karla.Stoedter@nrc.gov> |
| | Tracking Status: None "laura.swenzinski@nexteraenergy.com" <laura.swenzinski@nexteraenergy.com> |
| | Tracking Status: None "Davis, J.Michael (J.Michael.Davis@nexteraenergy.com)" <J.Michael.Davis@nexteraenergy.com> |
| | Tracking Status: None "Cross, William (WILLIAM.CROSS@fpl.com)" <WILLIAM.CROSS@fpl.com> |
| | Tracking Status: None Post Office: |
| | Files Size Date & Time MESSAGE 1789 3/14/2016 4:17:00 PM Options Priority: Standard Return Notification: No Reply Requested: No Sensitivity: Normal Expiration Date: |
| | Recipients Received: |
|
| |
|
| Recipients: "Oesterle, Eric" <Eric.Oesterle@nrc.gov> Tracking Status: None "Razzaque, Muhammad" <Muhammad.Razzaque@nrc.gov> Tracking Status: None "Tilton, Caroline" <Caroline.Tilton@nrc.gov> Tracking Status: None "Elliott, Robert" <Robert.Elliott@nrc.gov>
| | NRR-PMDAPEm Resource From: Chawla, Mahesh Sent: Monday, March 14, 2016 4:17 PM To: laura.swenzinski@nexteraenergy.com; Davis, J.Michael (J.Michael.Davis@nexteraenergy.com); Cross, William (WILLIAM.CROSS@fpl.com) |
| Tracking Status: None "Wrona, David" <David.Wrona@nrc.gov> Tracking Status: None "Norton, Charles" <Charles.Norton@nrc.gov> Tracking Status: None "Steffes, Jakob" <Jakob.Steffes@nrc.gov>
| | Cc: Oesterle, Eric; Razzaque, Muhammad; Tilton, Caroline; Elliott, Robert; Wrona, David; Norton, Charles; Steffes, Jakob; Phillips, Charles; Stoedter, Karla |
| Tracking Status: None "Phillips, Charles" <Charles.Phillips@nrc.gov> Tracking Status: None "Stoedter, Karla" <Karla.Stoedter@nrc.gov> Tracking Status: None "laura.swenzinski@nexteraenergy.com" <laura.swenzinski@nexteraenergy.com> Tracking Status: None "Davis, J.Michael (J.Michael.Davis@nexteraenergy.com)" <J.Michael.Davis@nexteraenergy.com> Tracking Status: None "Cross, William (WILLIAM.CROSS@fpl.com)" <WILLIAM.CROSS@fpl.com> Tracking Status: None
| |
| | |
| Post Office: Files Size Date & Time MESSAGE 1789 3/14/2016 4:17:00 PM Options Priority: Standard Return Notification: No Reply Requested: No Sensitivity: Normal Expiration Date: Recipients Received:
| |
| 1 NRR-PMDAPEm Resource From:Chawla, Mahesh Sent: Monday, March 14, 2016 4:17 PM To:laura.swenzinski@nexteraener gy.com; Davis, J.Michael (J.Michael.Davis@nexteraenergy.com); Cross, William (WILLIAM.CROSS@fpl.com)
| |
| Cc:Oesterle, Eric; Razzaque, Muhammad; Tilton, Caroline; Elliott, Robert; Wrona, David; Norton, Charles; Steffes, Jakob; Phillips, Charles; Stoedter, Karla | |
|
| |
|
| ==Subject:== | | ==Subject:== |
| Request For Additional Information - Duane Ar nold Energy Center - LAR to reduce the Reactor Steam Dome Pressure specified in th e Tech Spec 2.1.1, "Reactor Core Safety Limits" - MF6618By letter dated August 6, 2015 (ADAMS Accession No.ML15246A410), NextEra Energy Duane Arnold (NextEra), the licensee for Duane Arnold Energy Center (DAEC), requested an amendment to revise the DAEC Technical Specifications (TS). The proposed change involves reduction of the reactor steam dome pressure specified within Reactor Core Safety Limits Specification 2.1.1, in the TS. This change resolves a 10 CFR Part 21 condition concerning a potential to momentarily violate Reactor Core Safety Limit 2.1.1.1 and 2.1.1.2 during a Pressure Regulator Failure Maximum Demand (Open) transient. In order to complete the safety evaluation of the subject application, the NRC is requesting the following additional information: | | Request For Additional Information - Duane Arnold Energy Center - LAR to reduce the Reactor Steam Dome Pressure specified in the Tech Spec 2.1.1, "Reactor Core Safety Limits" - MF6618 By letter dated August 6, 2015 (ADAMS Accession No.ML15246A410), NextEra Energy Duane Arnold (NextEra), the licensee for Duane Arnold Energy Center (DAEC), requested an amendment to revise the DAEC Technical Specifications (TS). The proposed change involves reduction of the reactor steam dome pressure specified within Reactor Core Safety Limits Specification 2.1.1, in the TS. This change resolves a 10 CFR Part 21 condition concerning a potential to momentarily violate Reactor Core Safety Limit 2.1.1.1 and 2.1.1.2 during a Pressure Regulator Failure Maximum Demand (Open) transient. In order to complete the safety evaluation of the subject application, the NRC is requesting the following additional information: |
| RAI - 1 In page 4 of the application, dated August 6, 2015, the license stated, Duane Arnold proposes to utilize the fact that the GE14 and GNF2 fuel that comprise the DAEC core, utilize critical power correlations that have an approved pressure range from 700 to 1400 psia. | | RAI - 1 In page 4 of the application, dated August 6, 2015, the license stated, Duane Arnold proposes to utilize the fact that the GE14 and GNF2 fuel that comprise the DAEC core, utilize critical power correlations that have an approved pressure range from 700 to 1400 psia. |
| | |
| Converting 700 psia to psig, the lower bound pressure for the GEXL17 and GEXL14 correlations is approximately 685.3 psig. As such, the 685 psig value specified in the proposed TS change is slightly outside the pressure range in which the GEXL17 and GEXL14 correlations are valid for GNF2 and GE14 fuel. Please provide further justification for the proposed 685 psig value or propose a revised pressure value for this TS change that is supported by the GEXL17 and GEXL14 correlations (e.g., 700 psia). | | Converting 700 psia to psig, the lower bound pressure for the GEXL17 and GEXL14 correlations is approximately 685.3 psig. As such, the 685 psig value specified in the proposed TS change is slightly outside the pressure range in which the GEXL17 and GEXL14 correlations are valid for GNF2 and GE14 fuel. Please provide further justification for the proposed 685 psig value or propose a revised pressure value for this TS change that is supported by the GEXL17 and GEXL14 correlations (e.g., 700 psia). |
| Please arrange a teleconference to discuss the requested information, and provide your response on the docket no later than 30 days from the receipt of this email. Thanks | | Please arrange a teleconference to discuss the requested information, and provide your response on the docket no later than 30 days from the receipt of this email. Thanks Mahesh Chawla Project Manager Phone: 301-415-8371 Fax: 301-415-1222 mahesh.chawla@nrc.gov 1 |
|
| |
|
| Mahesh Chawla
| | Hearing Identifier: NRR_PMDA Email Number: 2709 Mail Envelope Properties (Mahesh.Chawla@nrc.gov20160314161700) |
| | |
| Project Manager
| |
| | |
| Phone: 301-415-8371
| |
| | |
| Fax: 301-415-1222 mahesh.chawla@nrc.gov
| |
| | |
| Hearing Identifier: NRR_PMDA Email Number: 2709 Mail Envelope Properties (Mahesh.Chawla@nrc.gov20160314161700) | |
|
| |
|
| ==Subject:== | | ==Subject:== |
| Request For Additional Information - Duane Arnold Energy Center - LAR to reduce the Reactor Steam Dome Pressure specified in the Tech Spec 2.1.1, "Reactor Core Safety Limits" - MF6618 Sent Date: 3/14/2016 4:17:10 PM Received Date: 3/14/2016 4:17:00 PM From: Chawla, Mahesh Created By: Mahesh.Chawla@nrc.gov | | Request For Additional Information - Duane Arnold Energy Center - LAR to reduce the Reactor Steam Dome Pressure specified in the Tech Spec 2.1.1, "Reactor Core Safety Limits" |
| | | - MF6618 Sent Date: 3/14/2016 4:17:10 PM Received Date: 3/14/2016 4:17:00 PM From: Chawla, Mahesh Created By: Mahesh.Chawla@nrc.gov Recipients: |
| Recipients: "Oesterle, Eric" <Eric.Oesterle@nrc.gov> Tracking Status: None "Razzaque, Muhammad" <Muhammad.Razzaque@nrc.gov> Tracking Status: None "Tilton, Caroline" <Caroline.Tilton@nrc.gov> Tracking Status: None "Elliott, Robert" <Robert.Elliott@nrc.gov> | | "Oesterle, Eric" <Eric.Oesterle@nrc.gov> |
| Tracking Status: None "Wrona, David" <David.Wrona@nrc.gov> Tracking Status: None "Norton, Charles" <Charles.Norton@nrc.gov> Tracking Status: None "Steffes, Jakob" <Jakob.Steffes@nrc.gov> | | Tracking Status: None "Razzaque, Muhammad" <Muhammad.Razzaque@nrc.gov> |
| Tracking Status: None "Phillips, Charles" <Charles.Phillips@nrc.gov> Tracking Status: None "Stoedter, Karla" <Karla.Stoedter@nrc.gov> Tracking Status: None "laura.swenzinski@nexteraenergy.com" <laura.swenzinski@nexteraenergy.com> Tracking Status: None "Davis, J.Michael (J.Michael.Davis@nexteraenergy.com)" <J.Michael.Davis@nexteraenergy.com> Tracking Status: None "Cross, William (WILLIAM.CROSS@fpl.com)" <WILLIAM.CROSS@fpl.com> Tracking Status: None | | Tracking Status: None "Tilton, Caroline" <Caroline.Tilton@nrc.gov> |
| | | Tracking Status: None "Elliott, Robert" <Robert.Elliott@nrc.gov> |
| Post Office: Files Size Date & Time MESSAGE 1789 3/14/2016 4:17:00 PM Options Priority: Standard Return Notification: No Reply Requested: No Sensitivity: Normal Expiration Date: Recipients Received:}} | | Tracking Status: None "Wrona, David" <David.Wrona@nrc.gov> |
| | Tracking Status: None "Norton, Charles" <Charles.Norton@nrc.gov> |
| | Tracking Status: None "Steffes, Jakob" <Jakob.Steffes@nrc.gov> |
| | Tracking Status: None "Phillips, Charles" <Charles.Phillips@nrc.gov> |
| | Tracking Status: None "Stoedter, Karla" <Karla.Stoedter@nrc.gov> |
| | Tracking Status: None "laura.swenzinski@nexteraenergy.com" <laura.swenzinski@nexteraenergy.com> |
| | Tracking Status: None "Davis, J.Michael (J.Michael.Davis@nexteraenergy.com)" <J.Michael.Davis@nexteraenergy.com> |
| | Tracking Status: None "Cross, William (WILLIAM.CROSS@fpl.com)" <WILLIAM.CROSS@fpl.com> |
| | Tracking Status: None Post Office: |
| | Files Size Date & Time MESSAGE 1789 3/14/2016 4:17:00 PM Options Priority: Standard Return Notification: No Reply Requested: No Sensitivity: Normal Expiration Date: |
| | Recipients Received:}} |
|
|---|
Category:E-Mail
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NRR E-mail Capture - Final RAI - Duane Arnold - Post-Shutdown Decommissioning Activities Report
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NRR E-mail Capture - Final RAI - Duane Arnold - Duane Arnold Amendment for Proposed Defueled EP and EAL Scheme
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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
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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
[Table view]
Category:Request for Additional Information (RAI)
MONTHYEARML24193A2432024-07-12012 July 2024
– Interim Audit Summary Report in Support of Review of License Amendment Requests Regarding Fleet Emergency Plan
ML22005A0862022-01-0404 January 2022
1-4-2022 Email Communication to Duane Arnold Regarding Its ISFSI Related Exemption Request on Supplemental Information Needed
ML21335A0712021-12-0101 December 2021
Request for Additional Information - Duane Arnold Energy Center ISFSI Only Emergency Plan
ML21335A0702021-12-0101 December 2021
Cover Letter to B. Coffey from K. Conway - Duane Arnold Energy Center RAI Re License Amendment Request for ISFSI Only Emergency Plan
ML21250A3002021-09-0808 September 2021
Defueled Physical Security Plan RAI Cover Letter
ML21006A4052021-01-0606 January 2021
NRR E-mail Capture - Final RAI - Duane Arnold - Post-Shutdown Decommissioning Activities Report
ML20316A0212020-11-10010 November 2020
NRR E-mail Capture - Final RAI - Duane Arnold - Duane Arnold Amendment for Proposed Defueled EP and EAL Scheme
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)
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
ML20133K0482020-05-14014 May 2020
Information Request to Support the NRC Annual Baseline Emergency Action Level and Emergency Plan Changes Inspection
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
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
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
ML18247A2002018-08-21021 August 2018
E-Mailed Request for Information for Duane Arnold, Dated 08/21/18 (DRS-M.Holmberg)
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
ML18088A0102018-03-28028 March 2018
NRR E-mail Capture - Final RAI for Duane Arnold (DAEC) 5th-10 Year ISI (RR-05)
ML18058A0522018-02-27027 February 2018
Enclosurequest for Additional Information (Letter: RAI Regarding Florida Power and Light/Nextera Decommissioning Funding Plan Updates for St. Lucie, Units 1 & 2; Seabrook Station; Duane Arnold Energy Center; and Point Beach, Units 1 and 2)
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
ML17347A8752017-12-12012 December 2017
NRR E-mail Capture - Second Round of Request for Additional Information - Duane Arnold Energy Center (DAEC) - LAR to Adopt TST-542, Revision 2, Reactor Pressure Vessel Water Inventory Control - CAC No. MF9829
ML17277A3652017-10-0404 October 2017
NRR E-mail Capture - Final Request for Additional Information - Duane Arnold - Application to Revise Technical Specifications to Adopt TSTF-542, Revision 2, Reactor Pressure Vessel Water Inventory Control - CAC No. MF9829
ML17240A0082017-08-25025 August 2017
NRR E-mail Capture - Request for Additional Information - Duane Arnold Energy Center (DAEC) - Fifth Ten Year Service Inspection Interval - Relief Request No. RR-04, Rev. 0 - Proposed Alternative for Seal Weld Procedure Qualification - MF937
ML17220A3332017-08-0808 August 2017
NRR E-mail Capture - Request for Additional Information - Duane Arnold Energy Center - Relief Request No. RR-03 - Alternative Requirements for Nozzle Inner Radius and Nozzle-To-Shell Welds - CAC No. MF9374
ML17159A7962017-06-0707 June 2017
17 Duane Arnold Energy Center - Information Request to Support the NRC Annual Baseline Emergency Action Level and Emergency Plan Changes Inspection (Mxg)
ML17068A0632017-03-0808 March 2017
NRR E-mail Capture - Final - Request for Additional Information (RAI) - Duane Arnold Energy Center (DAEC) - Revision to Staff Augmentation Times in the Duane Arnold Energy Center (DAEC) Emergency Plan (Eplan) - MF8390
ML16333A4622016-11-28028 November 2016
NRR E-mail Capture - Final Request for Additional Information - Duane Arnold Energy Center - LAR - SFP Criticality - MF7486
ML16326A0092016-11-18018 November 2016
NRR E-mail Capture - Request for Additional Information Re. Nextera/Fpl LAR to Adopt TSTF-545 - CACs MF8203, MF8204, MF8208, and MF8209
ML16313A0742016-11-0808 November 2016
NextEra Audit Plan Nov 2016 (DAEC SFP Criticality LAR)
ML16075A0032016-03-14014 March 2016
NRR E-mail Capture - Request for Additional Information - Duane Arnold Energy Center - LAR to Reduce the Reactor Steam Dome Pressure Specified in the Technical Specifications 2.1.1, Reactor Core Safety Limits - MF6618
ML16074A3142016-03-14014 March 2016
NRR E-mail Capture - Second Round RAIs - Duane Arnold Energy Center - LAR (TSCR-143) to Extend Containment Leakage Test Frequency - MF6619
ML16021A0122016-01-21021 January 2016
Request for Additional Information by the Containment & Ventilation Branch and PRA Licensing Branch License Amendment Request - Extension of the 10 CFR 50 Appendix J Containment Type a & Type C Test Intervals
ML16022A0092016-01-21021 January 2016
NRR E-mail Capture - Request for Additional Information - LAR to Revise and Relocate Pressure and Temperature Limit Curves to a Pressure and Temperature Limits Report - MF6617
ML16014A6962016-01-0707 January 2016
E-Mail: Duane Arnold, MOD/50.59 Inspection Request for Information (Jsp)
ML16005A6082015-12-24024 December 2015
E-Mail: Duane Arnold Request for Information; December 24, 2015 (AAS)
ML15175A0652015-06-23023 June 2015
Ltr. 06/23/15 Duane Arnold Energy Center - Notification of an NRC Triennial Heat Sink Performance Inspection and Request for Information Inspection Report 05000331/2015003 (Axd)
ML14057A7562014-02-25025 February 2014
14 Duane Arnold CDBI Request for Information
ML14031A1462014-01-29029 January 2014
Update to NextEra Energy Duane Arnold, Llc'S Response to NRC Request for Additional Information Associated with Near-Term Task Force Recommendations
ML13323B4432013-11-26026 November 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
ML13255A1982013-09-16016 September 2013
Request for Additional Information Regarding Overall Integrated Plan for Reliable Spent Fuel Pool Instrumentation (Order Number EA-12-051)
ML13175A3932013-06-27027 June 2013
Request for Additional Information for Review Regarding License Amendment Request to Adopt National Fire Protection Association Standard 805
ML13154A5112013-06-0404 June 2013
Rai'S Following Ifib Analysis of NextEra Energy'S 2013 Decommissioning Funding Status Reports for Duane Arnold Energy Center and Point Beach Units 1 and 2
ML12107A0592012-04-11011 April 2012
NRR E-mail Capture - ME7246 - DAEC - Request for Additional Information (RAI) Relief Requests NDR-R003, R010, R011, R014, R015
ML12056A0502012-03-12012 March 2012
Enclosure 4 - Recommendation 2.3: Flooding
ML12056A0482012-03-12012 March 2012
Enclosure 2 - Recommendation 2.1: Flooding
ML12056A0512012-03-12012 March 2012
Enclosure 5 - Recommendation 9.3: Emergency Preparedness
ML12056A0492012-03-12012 March 2012
Enclosure 3 - Recommendation 2.3: Seismic
ML12056A0472012-03-12012 March 2012
Enclosure 1 - Recommendation 2.1: Seismic
ML1201203182012-01-17017 January 2012
Request for Additional Information Amendment to Change Emergency Action Levels
ML12011A0602012-01-0404 January 2012
NRR E-mail Capture - ME6508 - DAEC - Emergency Action Level (EAL) Changes
ML1132105812011-11-28028 November 2011
Request for Additional Information Regarding 60-Day Response to Bulletin 2011-01, Mitigating Strategies.
2024-07-12
[Table view] |
Text
NRR-PMDAPEm Resource From: Chawla, Mahesh Sent: Monday, March 14, 2016 4:17 PM To: laura.swenzinski@nexteraenergy.com; Davis, J.Michael (J.Michael.Davis@nexteraenergy.com); Cross, William (WILLIAM.CROSS@fpl.com)
Cc: Oesterle, Eric; Razzaque, Muhammad; Tilton, Caroline; Elliott, Robert; Wrona, David; Norton, Charles; Steffes, Jakob; Phillips, Charles; Stoedter, Karla
Subject:
Request For Additional Information - Duane Arnold Energy Center - LAR to reduce the Reactor Steam Dome Pressure specified in the Tech Spec 2.1.1, "Reactor Core Safety Limits" - MF6618 By letter dated August 6, 2015 (ADAMS Accession No.ML15246A410), NextEra Energy Duane Arnold (NextEra), the licensee for Duane Arnold Energy Center (DAEC), requested an amendment to revise the DAEC Technical Specifications (TS). The proposed change involves reduction of the reactor steam dome pressure specified within Reactor Core Safety Limits Specification 2.1.1, in the TS. This change resolves a 10 CFR Part 21 condition concerning a potential to momentarily violate Reactor Core Safety Limit 2.1.1.1 and 2.1.1.2 during a Pressure Regulator Failure Maximum Demand (Open) transient. In order to complete the safety evaluation of the subject application, the NRC is requesting the following additional information:
RAI - 1 In page 4 of the application, dated August 6, 2015, the license stated, Duane Arnold proposes to utilize the fact that the GE14 and GNF2 fuel that comprise the DAEC core, utilize critical power correlations that have an approved pressure range from 700 to 1400 psia.
Converting 700 psia to psig, the lower bound pressure for the GEXL17 and GEXL14 correlations is approximately 685.3 psig. As such, the 685 psig value specified in the proposed TS change is slightly outside the pressure range in which the GEXL17 and GEXL14 correlations are valid for GNF2 and GE14 fuel. Please provide further justification for the proposed 685 psig value or propose a revised pressure value for this TS change that is supported by the GEXL17 and GEXL14 correlations (e.g., 700 psia).
Please arrange a teleconference to discuss the requested information, and provide your response on the docket no later than 30 days from the receipt of this email. Thanks Mahesh Chawla Project Manager Phone: 301-415-8371 Fax: 301-415-1222 mahesh.chawla@nrc.gov 1
Hearing Identifier: NRR_PMDA Email Number: 2709 Mail Envelope Properties (Mahesh.Chawla@nrc.gov20160314161700)
Subject:
Request For Additional Information - Duane Arnold Energy Center - LAR to reduce the Reactor Steam Dome Pressure specified in the Tech Spec 2.1.1, "Reactor Core Safety Limits"
- MF6618 Sent Date: 3/14/2016 4:17:10 PM Received Date: 3/14/2016 4:17:00 PM From: Chawla, Mahesh Created By: Mahesh.Chawla@nrc.gov Recipients:
"Oesterle, Eric" <Eric.Oesterle@nrc.gov>
Tracking Status: None "Razzaque, Muhammad" <Muhammad.Razzaque@nrc.gov>
Tracking Status: None "Tilton, Caroline" <Caroline.Tilton@nrc.gov>
Tracking Status: None "Elliott, Robert" <Robert.Elliott@nrc.gov>
Tracking Status: None "Wrona, David" <David.Wrona@nrc.gov>
Tracking Status: None "Norton, Charles" <Charles.Norton@nrc.gov>
Tracking Status: None "Steffes, Jakob" <Jakob.Steffes@nrc.gov>
Tracking Status: None "Phillips, Charles" <Charles.Phillips@nrc.gov>
Tracking Status: None "Stoedter, Karla" <Karla.Stoedter@nrc.gov>
Tracking Status: None "laura.swenzinski@nexteraenergy.com" <laura.swenzinski@nexteraenergy.com>
Tracking Status: None "Davis, J.Michael (J.Michael.Davis@nexteraenergy.com)" <J.Michael.Davis@nexteraenergy.com>
Tracking Status: None "Cross, William (WILLIAM.CROSS@fpl.com)" <WILLIAM.CROSS@fpl.com>
Tracking Status: None Post Office:
Files Size Date & Time MESSAGE 1789 3/14/2016 4:17:00 PM Options Priority: Standard Return Notification: No Reply Requested: No Sensitivity: Normal Expiration Date:
Recipients Received:
NRR-PMDAPEm Resource From: Chawla, Mahesh Sent: Monday, March 14, 2016 4:17 PM To: laura.swenzinski@nexteraenergy.com; Davis, J.Michael (J.Michael.Davis@nexteraenergy.com); Cross, William (WILLIAM.CROSS@fpl.com)
Cc: Oesterle, Eric; Razzaque, Muhammad; Tilton, Caroline; Elliott, Robert; Wrona, David; Norton, Charles; Steffes, Jakob; Phillips, Charles; Stoedter, Karla
Subject:
Request For Additional Information - Duane Arnold Energy Center - LAR to reduce the Reactor Steam Dome Pressure specified in the Tech Spec 2.1.1, "Reactor Core Safety Limits" - MF6618 By letter dated August 6, 2015 (ADAMS Accession No.ML15246A410), NextEra Energy Duane Arnold (NextEra), the licensee for Duane Arnold Energy Center (DAEC), requested an amendment to revise the DAEC Technical Specifications (TS). The proposed change involves reduction of the reactor steam dome pressure specified within Reactor Core Safety Limits Specification 2.1.1, in the TS. This change resolves a 10 CFR Part 21 condition concerning a potential to momentarily violate Reactor Core Safety Limit 2.1.1.1 and 2.1.1.2 during a Pressure Regulator Failure Maximum Demand (Open) transient. In order to complete the safety evaluation of the subject application, the NRC is requesting the following additional information:
RAI - 1 In page 4 of the application, dated August 6, 2015, the license stated, Duane Arnold proposes to utilize the fact that the GE14 and GNF2 fuel that comprise the DAEC core, utilize critical power correlations that have an approved pressure range from 700 to 1400 psia.
Converting 700 psia to psig, the lower bound pressure for the GEXL17 and GEXL14 correlations is approximately 685.3 psig. As such, the 685 psig value specified in the proposed TS change is slightly outside the pressure range in which the GEXL17 and GEXL14 correlations are valid for GNF2 and GE14 fuel. Please provide further justification for the proposed 685 psig value or propose a revised pressure value for this TS change that is supported by the GEXL17 and GEXL14 correlations (e.g., 700 psia).
Please arrange a teleconference to discuss the requested information, and provide your response on the docket no later than 30 days from the receipt of this email. Thanks Mahesh Chawla Project Manager Phone: 301-415-8371 Fax: 301-415-1222 mahesh.chawla@nrc.gov 1
Hearing Identifier: NRR_PMDA Email Number: 2709 Mail Envelope Properties (Mahesh.Chawla@nrc.gov20160314161700)
Subject:
Request For Additional Information - Duane Arnold Energy Center - LAR to reduce the Reactor Steam Dome Pressure specified in the Tech Spec 2.1.1, "Reactor Core Safety Limits"
- MF6618 Sent Date: 3/14/2016 4:17:10 PM Received Date: 3/14/2016 4:17:00 PM From: Chawla, Mahesh Created By: Mahesh.Chawla@nrc.gov Recipients:
"Oesterle, Eric" <Eric.Oesterle@nrc.gov>
Tracking Status: None "Razzaque, Muhammad" <Muhammad.Razzaque@nrc.gov>
Tracking Status: None "Tilton, Caroline" <Caroline.Tilton@nrc.gov>
Tracking Status: None "Elliott, Robert" <Robert.Elliott@nrc.gov>
Tracking Status: None "Wrona, David" <David.Wrona@nrc.gov>
Tracking Status: None "Norton, Charles" <Charles.Norton@nrc.gov>
Tracking Status: None "Steffes, Jakob" <Jakob.Steffes@nrc.gov>
Tracking Status: None "Phillips, Charles" <Charles.Phillips@nrc.gov>
Tracking Status: None "Stoedter, Karla" <Karla.Stoedter@nrc.gov>
Tracking Status: None "laura.swenzinski@nexteraenergy.com" <laura.swenzinski@nexteraenergy.com>
Tracking Status: None "Davis, J.Michael (J.Michael.Davis@nexteraenergy.com)" <J.Michael.Davis@nexteraenergy.com>
Tracking Status: None "Cross, William (WILLIAM.CROSS@fpl.com)" <WILLIAM.CROSS@fpl.com>
Tracking Status: None Post Office:
Files Size Date & Time MESSAGE 1789 3/14/2016 4:17:00 PM Options Priority: Standard Return Notification: No Reply Requested: No Sensitivity: Normal Expiration Date:
Recipients Received:
