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| | number = ML14253A477 | | | number = ML14253A477 |
| | issue date = 09/10/2014 | | | issue date = 09/10/2014 |
| | title = 2014/09/10 NRR E-mail Capture - Draft RAI for Mur (Steam Generator Branch) | | | title = NRR E-mail Capture - Draft RAI for Mur (Steam Generator Branch) |
| | author name = Miller E | | | author name = Miller E |
| | author affiliation = NRC/NRR/DORL/LPLII-1 | | | author affiliation = NRC/NRR/DORL/LPLII-1 |
| | addressee name = Rudy L J | | | addressee name = Rudy L |
| | addressee affiliation = Duke Energy Corp | | | addressee affiliation = Duke Energy Corp |
| | docket = 05000413, 05000414 | | | docket = 05000413, 05000414 |
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| | page count = 3 | | | page count = 3 |
| }} | | }} |
| | |
| | =Text= |
| | {{#Wiki_filter:NRR-PMDAPEm Resource From: Miller, Ed Sent: Wednesday, September 10, 2014 3:29 PM To: 'lawrence.rudy@duke-energy.com' |
| | |
| | ==Subject:== |
| | Draft RAI for MUR (Steam Generator Branch) |
| | Attachments: DRAFT Catawba MUR SG Branch RAI.docx |
| | : Larry, The NRC staffs draft RAI for the subject relief request is attached to this e-mail. The draft RAI is not an official NRC staff request and is being provided to you to facilitate a subsequent conference call to determine: 1) If the questions clearly convey the NRC staff information needs; 2) Whether the regulatory basis for the questions is understood; 3) Whether the information is already available in existing, docketed, correspondence; and 4) To determine an appropriate response time-frame. After youve had a chance to review the draft information request, please contact me to schedule the conference call. |
| | Given the large number of review branches assigned to the MUR review, Im providing the draft questions as I receive them from the individual branches. Ill combine them into one RAI once we have a complete set. |
| | Ed Miller (301) 415-2481 1 |
| | |
| | Hearing Identifier: NRR_PMDA Email Number: 1561 Mail Envelope Properties (9C2386A0C0BC584684916F7A0482B6CA01016B2CD7AE) |
| | |
| | ==Subject:== |
| | Draft RAI for MUR (Steam Generator Branch) |
| | Sent Date: 9/10/2014 3:29:04 PM Received Date: 9/10/2014 3:29:00 PM From: Miller, Ed Created By: Ed.Miller@nrc.gov Recipients: |
| | "'lawrence.rudy@duke-energy.com'" <lawrence.rudy@duke-energy.com> |
| | Tracking Status: None Post Office: HQCLSTR02.nrc.gov Files Size Date & Time MESSAGE 895 9/10/2014 3:29:00 PM DRAFT Catawba MUR SG Branch RAI.docx 31993 Options Priority: Standard Return Notification: No Reply Requested: No Sensitivity: Normal Expiration Date: |
| | Recipients Received: |
| | |
| | DRAFT REQUEST FOR ADDITIONAL INFORMATION REGARDING CATAWBA NUCLEAR STATION, UNITS 1 AND 2 LICENSE AMENDMENT REQUEST MEASUREMENT UNCERTAINTY RECAPTURE POWER UPRATE DOCKET NOS. 50-413 AND 50-414 By letter dated June 23, 2014 (Agencywide Documents Access and Management System (ADAMS) Accession No. ML14176A108), Duke Energy Carolinas (Duke) submitted a license amendment request (LAR) for the Catawba Nuclear Station, Units 1 and 2. The proposed amendment would implement a 1.7 percent Measurement Uncertainty Recapture (MUR) Power Uprate. In order for the NRC staff to complete its review of the relief request, the following additional information is requested. |
| | : 1. Confirm that the steam generator plugging limit is still appropriate for the proposed MUR Power Uprate conditions, given the guidance in Regulatory Guide 1.121. |
| | : 2. Page E2-67 of Enclosure 2 of the LAR, provides the predicted wear rates for run definition HS4/D-1st Stg Drain with component name 1HS817E-T196. The information in the table for this component indicates that the post-MUR predicted thickness value is |
| | -0.048 inches. Further, the ratio of pre-MUR measured thickness to predicted thickness is -5.13. Please clarify what these values represent and the significance of them being negative numbers. |
| | ENCLOSURE}} |
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Category:E-Mail
MONTHYEARML23271A1792023-09-28028 September 2023 Request for Confirmation License Amendment Application to Revise Control Room Cooling TS 3.7.11 ML23207A0762023-07-14014 July 2023 EN 56557 - Update to Part 21 Report Re Potential Defect with Trane External Auto/Stop Emergency Stop Relay Card Pn: XI2650728-06 ML23188A0732023-07-0707 July 2023 Acceptance of Requested Licensing Action License Amendment Application to Revise Control Room Cooling Technical Specifications ML23172A0132023-06-20020 June 2023 Duke Fleet - Correction to June 2, 2023, Request for Additional Information Proposed License Amendment Request to Revise Restrictive Surveillance Requirement Frequencies ML23159A0052023-06-0505 June 2023 56557-EN 56557 - Paragon - Redlined ML23153A1892023-06-0202 June 2023 Duke Fleet - Request for Additional Information Proposed License Amendment Request to Revise Restrictive Surveillance Requirement Frequencies ML23151A3482023-05-30030 May 2023 Duke Fleet - Request for Additional Information Proposed Alternative for Pressurizer Welds in Accordance with 10 CFR 50.55a(z)(1) ML23142A2732023-05-22022 May 2023 Duke Fleet - Request for Additional Information Proposed Alternative for Steam Generator Welds in Accordance with 10 CFR 50.55a(z)(1) ML23124A1212023-05-0404 May 2023 Acceptance of Requested Licensing Action Duke Fleet Proposed Alternative for Pressurizer Welds in Accordance with 10 CFR 50.55a(z)(1) ML23080A1892023-03-20020 March 2023 RP Inspection Document Request ML23073A2282023-03-13013 March 2023 Duke Fleet- Adoption of TSTF-554, Revision 1, Revise Reactor Coolant Leakage Requirements - Acceptance Review ML23058A0562023-02-27027 February 2023 Acceptance of Amendment to Revise Surveillance Frequencies for RCS Pressure Isolation Valve Operational Leakage Testing and Reactor Trip System Instrumentation ML23048A1512023-02-16016 February 2023 Acceptance Review - Proposed Alternative for Steam Generator Welds (L-2023-LLR-0003) ML22336A0692022-11-28028 November 2022 Final 2023 Catawba Nuclear Station (CNS) Commercial Grade Dedication (CGD) Inspection Information Request ML22303A0052022-10-24024 October 2022 EN 56178 - Tioga Final. LTR-TP-22-29 2021 10CFR Part 21 Improper Notification of NRC NRC-2100-2022, EN 55999 Valcor Coil Shell Assemblies Final Notification (004)2022-09-12012 September 2022 EN 55999 Valcor Coil Shell Assemblies Final Notification (004) ML22213A0472022-08-0101 August 2022 Document Request for Catawba Nuclear Station - Radiation Protection Inspection - Inspection Report 2022-03 NRC 2110-2022, EN 55999 - Valcor Engineering Corporation (009)2022-07-18018 July 2022 EN 55999 - Valcor Engineering Corporation (009) ML22154A1312022-06-0303 June 2022 NRR E-mail Capture - Catawba Nuclear Station, Units 1 and 2 - Request for Additional Information Environmentally-Assisted Fatigue License Renewal Commitment ML22174A0802022-06-0101 June 2022 Transmittal External Distribution Notification TR-NUC-CN-014344 - SLC Manual Revision to Loes and SLC 16.7-5 ML22115A1412022-04-25025 April 2022 NRR E-mail Capture - Duke Common EOF Relocation - Request for Addition Information ML22083A0702022-03-24024 March 2022 NRR E-mail Capture - Catawba Nuclear Station, Units 1 and 2, Shearon Harris Nuclear Power Plant, Unit 1, and McGuire Nuclear Station, Units 1 and 2 - Acceptance Review for TSTF-569 LAR ML22041A5312022-02-10010 February 2022 NRR E-mail Capture - Catawba Nuclear Station Unit 2 - Acceptance of Requested Licensing Action Use of Alternative Requirements of ASME Code for Embedded Flaw Repair Method on Reactor Vessel Closure Head Penetration 74 EPID L-2022-LLR-0010 ML22038A1572022-02-0707 February 2022 NRR E-mail Capture - Duke Energy Fleet - Acceptance of License Amendment Request Regarding Adoption of TSTF-541, Revision 2 ML22018A0272022-01-18018 January 2022 2022 All RFI Responses - Exercise and Program Inspections - Revl ML22024A1112022-01-0707 January 2022 E-mail Capture- Catawba POV Inspection Information Request (1) ML21361A0122021-12-23023 December 2021 NRR E-mail Capture - Accepted for Review - Duke Energy Fleet License Amendment Request to Relocate Emergency Operations Facility ML21354A8612021-12-15015 December 2021 NRR E-mail Capture - 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(External_Sender) Catawba Nuclear Station Relief Request RA-21-0133 ML21117A1232021-04-23023 April 2021 NRR E-mail Capture - Catawba Verbal Relief Request Request for Additional Information ML21099A0742021-04-0909 April 2021 CAT_2021-02 Document Request for Upcoming RP Inspection ML21096A3002021-04-0606 April 2021 E-mail for Approval of Proprietary Withholding for Duke Energy Exemptions for the Magnastor Storage Cask ML21075A0032021-03-12012 March 2021 Emergency Preparedness Exercise Inspection Request for Information for - Brunswick, Catawba, North Anna, Oconee, Vogtle 1 & 2 ML21049A2632021-02-0404 February 2021 NRR E-mail Capture - Request for Additional Information - Duke Energy Fleet License Amendment Request to Revise Emergency Plan ML21007A3722021-01-0707 January 2021 NRR E-mail Capture - Acceptance Review - Duke Fleet - RA-19-0352 - Proposed Alternative for Reactor Vessel Close Stud Examinations (L-2020-LLR-0156) ML21006A4302021-01-0606 January 2021 Acceptance Review - Duke Fleet RA-20-0207 Request to Revise the Technical Specification for Engineered Safety Feature Actuation System (ESFAS) Instrumentation ML20346A0212020-12-10010 December 2020 NRR E-mail Capture - 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IWA-4540(b) (L-2020-LLR-0125) ML20260H4622020-09-0909 September 2020 NRR E-mail Capture - Acceptance Review for Mcguire/Catawba EDG Maximum Voltage TS Limit L-2019-014, NRR E-mail Capture - (External Sender) Request for State Comments - Regarding Proposed Amendment to Revise the Catawba, Unit 1, Technical Specification (TS) 3.4.3, RCS Pressure and Temperature (P/T) Limits - State Response2020-07-0707 July 2020 NRR E-mail Capture - (External_Sender) Request for State Comments - Regarding Proposed Amendment to Revise the Catawba, Unit 1, Technical Specification (TS) 3.4.3, RCS Pressure and Temperature (P/T) Limits - State Response ML20191A0242020-07-0707 July 2020 NRR E-mail Capture - Request for State Comments - Regarding Proposed Amendment to Revise the Catawba, Unit 1, Technical Specification (TS) 3.4.3, RCS Pressure and Temperature (P/T) Limits - Staff Solicitation 2023-09-28
[Table view] |
Text
NRR-PMDAPEm Resource From: Miller, Ed Sent: Wednesday, September 10, 2014 3:29 PM To: 'lawrence.rudy@duke-energy.com'
Subject:
Draft RAI for MUR (Steam Generator Branch)
Attachments: DRAFT Catawba MUR SG Branch RAI.docx
- Larry, The NRC staffs draft RAI for the subject relief request is attached to this e-mail. The draft RAI is not an official NRC staff request and is being provided to you to facilitate a subsequent conference call to determine: 1) If the questions clearly convey the NRC staff information needs; 2) Whether the regulatory basis for the questions is understood; 3) Whether the information is already available in existing, docketed, correspondence; and 4) To determine an appropriate response time-frame. After youve had a chance to review the draft information request, please contact me to schedule the conference call.
Given the large number of review branches assigned to the MUR review, Im providing the draft questions as I receive them from the individual branches. Ill combine them into one RAI once we have a complete set.
Ed Miller (301) 415-2481 1
Hearing Identifier: NRR_PMDA Email Number: 1561 Mail Envelope Properties (9C2386A0C0BC584684916F7A0482B6CA01016B2CD7AE)
Subject:
Draft RAI for MUR (Steam Generator Branch)
Sent Date: 9/10/2014 3:29:04 PM Received Date: 9/10/2014 3:29:00 PM From: Miller, Ed Created By: Ed.Miller@nrc.gov Recipients:
"'lawrence.rudy@duke-energy.com'" <lawrence.rudy@duke-energy.com>
Tracking Status: None Post Office: HQCLSTR02.nrc.gov Files Size Date & Time MESSAGE 895 9/10/2014 3:29:00 PM DRAFT Catawba MUR SG Branch RAI.docx 31993 Options Priority: Standard Return Notification: No Reply Requested: No Sensitivity: Normal Expiration Date:
Recipients Received:
DRAFT REQUEST FOR ADDITIONAL INFORMATION REGARDING CATAWBA NUCLEAR STATION, UNITS 1 AND 2 LICENSE AMENDMENT REQUEST MEASUREMENT UNCERTAINTY RECAPTURE POWER UPRATE DOCKET NOS. 50-413 AND 50-414 By letter dated June 23, 2014 (Agencywide Documents Access and Management System (ADAMS) Accession No. ML14176A108), Duke Energy Carolinas (Duke) submitted a license amendment request (LAR) for the Catawba Nuclear Station, Units 1 and 2. The proposed amendment would implement a 1.7 percent Measurement Uncertainty Recapture (MUR) Power Uprate. In order for the NRC staff to complete its review of the relief request, the following additional information is requested.
- 1. Confirm that the steam generator plugging limit is still appropriate for the proposed MUR Power Uprate conditions, given the guidance in Regulatory Guide 1.121.
- 2. Page E2-67 of Enclosure 2 of the LAR, provides the predicted wear rates for run definition HS4/D-1st Stg Drain with component name 1HS817E-T196. The information in the table for this component indicates that the post-MUR predicted thickness value is
-0.048 inches. Further, the ratio of pre-MUR measured thickness to predicted thickness is -5.13. Please clarify what these values represent and the significance of them being negative numbers.
ENCLOSURE