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MONTHYEARML0627201112006-09-27027 September 2006 License Amendment Request Applicable to Technical Specification 3.8.1, AC Sources - Operating, License Amendment Request (LAR) 2006-16 Project stage: Request ML0627105102006-09-28028 September 2006 Public Notice of Application for Amendments Regarding Extending Completion Times Project stage: Other ML0628404622006-10-0303 October 2006 Tech Spec Pages for Amendments 354, 356 and 355 Regarding AC Sources-Operating Project stage: Other ML0627603052006-10-0303 October 2006 Exigent Technical Specification One-Time Change Request to Extend the Allowed Outage Time for Keowee Hydro Unit 2 Project stage: Other ML0627503552006-10-0303 October 2006 License Amendments 354, 356 and 355 Regarding AC Sources-Operating Project stage: Other 2006-09-27
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Category:Letter
MONTHYEARML23304A1422024-02-0101 February 2024 Issuance of Environmental Scoping Summary Report Associated with the U.S. Nuclear Regulatory Commission Staffs Review of the Oconee Nuclear Station, Units 1, 2, & 3, Subsequent License Renewal Application ML24005A2492024-01-24024 January 2024 Exemption from Select Requirements of 10 CFR Part 73 (Security Notifications, Reports, and Recordkeeping and Suspicious Activity Reporting) IR 05000269/20243012024-01-11011 January 2024 Notification of Licensed Operator Initial Examination 05000269/2024301, 05000270/2024301, and 05000287/2024301 ML23331A7982023-12-14014 December 2023 Review of the Fall 2022 Steam Generator Tube Inspection Report (01R32) ML23262A9672023-12-13013 December 2023 Alternative to Use RR-22-0174, Risk-Informed Categorization and Treatment for Repair/Replacement Activities in Class 2 and 3 Systems Section XI, Division 1 ML23317A3462023-11-14014 November 2023 Duke Fleet - Correction Letter to License Amendment Nos. 312 & 340 Issuance of Amendments Regarding the Adoption of Technical Specifications Task Force Traveler TSTF-554, Revision 1 IR 05000269/20230032023-11-14014 November 2023 Integrated Inspection Report 05000269/2023003, 05000270/2023003, and 05000287/2023003; and IR 07200040/2023001; and Exercise of Enforcement Discretion ML23219A1402023-10-10010 October 2023 Audit Report Proposed Alternative to Use ASME Code Case N-752, Risk Informed Categorization and Treatment for Repair/Replacement Activities in Class 2 and 3 Systems XI, Division 1 ML23269A1102023-10-0606 October 2023 Letter to Steven Snider-Revised Schedule for the Environmental Review of the Oconee Nuclear Station, Unit 1, 2, and 3, Subsequent License Renewal Application ML23256A0882023-09-25025 September 2023 Issuance of Alternative to Steam Generator Welds ML23195A0782023-08-29029 August 2023 Issuance of Amendments Regarding the Adoption of Technical Specifications Task Force Traveler TSTF-554, Revision 1 IR 05000269/20230112023-08-25025 August 2023 Comprehensive Engineering Team Inspection Report 05000269/2023011 and 05000270/2023011 and 05000287/2023011 IR 05000269/20230052023-08-25025 August 2023 Updated Inspection Plan for Oconee Nuclear Station Units 1, 2 and 3 (Report 05000269/2023005, 05000270/2023005, and 05000287/2023005) IR 05000269/20230022023-07-28028 July 2023 Integrated Inspection Report 05000269/2023002, 05000270/2023002 and 05000287/2023002 ML23208A0972023-07-27027 July 2023 Subsequent License Renewal List of Threatened and Endangered Species That May Occur in Your Proposed Project Location or May Be Affected IR 05000269/20230102023-07-19019 July 2023 Biennial Problem Identification and Resolution Inspection Report 05000269/2023010 and 05000270/2023010 and 05000287/2023010 and Notice of Violation ML23178A0682023-07-0303 July 2023 Audit Plan Proposed Alternative to Use ASME Code Case N-752, Risk-Informed Categorization and Treatment for Repair/Replacement Activities in Class 2 & 3 Systems Section XI, Division 1 ML23132A2392023-06-0101 June 2023 Summary of the April 2023 Remote Environmental Audit Related to the Review of the Subsequent License Renewal Application ML23144A0192023-05-25025 May 2023 Review of the Spring 2022 Steam Generator Tube Inspection Report (O3R31) IR 05000269/20230012023-05-12012 May 2023 Integrated Inspection Report 05000269/2023001 and 05000270/2023001 and 05000287/2023001 ML23121A0552023-05-0303 May 2023 Acknowledgement of Withdrawal Request to Revise TS 5.5.2 Containment Leakage Rate Testing Program ML23118A0762023-05-0101 May 2023 Approval for Use of Specific Provision of a Later Edition of the American Society of Mechanical Engineers Boiler and Pressure Vessel Code, Section XI ML23117A0432023-04-20020 April 2023 Framatome, Inc., Part 21 Notification of Existence of a Defect ML23075A0732023-04-0505 April 2023 License Renewal Regulatory Audit Regarding the Environmental Review of the Subsequent License Renewal Application Supplement (EPID Number L-2021-SLE-0002) ML23045A1332023-03-15015 March 2023 Request for Scoping Comments Concerning the Supplemental Environmental Review of Oconee Nuclear Station, Units 1, 2, and 3, Subsequent License Renewal Application - Achp Letter ML23045A1402023-03-15015 March 2023 Request for Scoping Comments Concerning the Supplemental Environmental Review of Oconee Nuclear Station, Units 1, 2, and 3, Subsequent License Renewal Application - Shpo Letter ML23045A1432023-03-15015 March 2023 Request for Scoping Comments Concerning the Supplemental Environmental Review of Oconee Nuclear Station, Units 1, 2, and 3, Subsequent License Renewal Application - State Tribe Letter ML22332A4932023-03-10010 March 2023 William States Lee III 1 and 2 - Issuance of Amendments Regarding the Relocation of the Emergency Operations Facility ML23069A1102023-03-10010 March 2023 Notification of Inspection and Request for Information for NRC Problem Identification and Resolution Inspection ML23061A1772023-03-0303 March 2023 Notification of Oconee Nuclear Station Comprehensive Engineering Team Inspection - NRC Inspection Report 05000269/2023011, 05000270/2023011 and 05000287/2023011 IR 05000269/20220062023-03-0101 March 2023 Annual Assessment Letter for Oconee Nuclear Nuclear Station, Units 1, 2 and 3 (NRC Inspection Report 05000269/2022006, 05000270/2022006, and 05000287/2022006) ML23039A1632023-02-0808 February 2023 Requalification Program Inspection ML23037A0772023-02-0606 February 2023 402 Cyber Notification and RFI Letter Final IR 05000269/20220042023-02-0202 February 2023 Integrated Inspection Report 05000269 2022004 and 05000270/2022004 and 05000287/2022004 ML22363A3942023-01-12012 January 2023 Subsequent License Renewal Environmental Report Supplement - Proposed Review Schedule ML22356A0512022-12-14014 December 2022 Curtiss-Wright Nuclear Division, Letter Regarding Potential Efect in a Configuration of the 11/2 Inch Quick Disconnect Connector Cable Assemblies Supplied to Duke Energy (See Attached Spreadsheet) for a Total of 460 of Connectors Only Suppl ML22321A0492022-12-0808 December 2022 Issuance of Amendment Nos. 426, 428 and 427, Additional Mode Change Limitations Applicable to the Adoption of TSTF- 359, Revision 9, Increase Flexibility in Mode Restraints ML22329A1042022-11-29029 November 2022 Review of the Fall 2021 Steam Generator Tube Inspection Report ML22321A1582022-11-22022 November 2022 Summary of Conference Call Regarding the Fall 2022 Steam Generator Tube Inspections ML22096A0032022-11-18018 November 2022 McGuire Nuclear Station and Shearon Harris Nuclear Power Plant Authorization of RA-19-0352 Regarding Use of Alternative for RPV Head Closure Stud Examinations ML22256A2532022-11-14014 November 2022 Issuance of Amendments Regarding the Adoption of Technical Specifications Task Force Traveler TSTF-541, Rev. 2 IR 05000269/20220032022-11-0707 November 2022 Integrated Inspection Station 05000269/2022003 and 05000270/2022003 and 05000287/2022003 ML22301A0112022-11-0303 November 2022 Request for Withholding Information from Public Disclosure Regarding the SLR Application - September 2, 2022 ML22298A0752022-10-27027 October 2022 Request for Withholding Information from Public Disclosure Regarding the Subsequent License Renewal Application Duke Energy Letter Dated July 25, 2022 ML22264A0322022-10-20020 October 2022 _Request for Withholding Information from Public Disclosure Regarding the Subsequent License Renewal Application - Duke Energy Letter Dated July 8, 2022 IR 05000269/20220112022-09-26026 September 2022 NRC Inspection Report 05000269/2022011 and 05000270/2022011 and 05000287/2022011 ML22258A0302022-09-15015 September 2022 Evacuation Time Estimate Reports ML22222A0072022-09-14014 September 2022 Request for Withholding Information from Public Disclosure Regarding the Subsequent License Renewal Application ML22231B1362022-09-0101 September 2022 Review of the Draft Environmental Assessment and Findings of No Significant Impact for Catawba Nuclear Station, H.B. Robinson Steam Electric Plant, and Oconee Nuclear Station Independent Spent Fuel Storage Installation Decommissioning Fundi ML22234A0062022-08-30030 August 2022 SLRA - Closed Public Meeting Summary - August 18, 2022 2024-02-01
[Table view] Category:License-Operating (New/Renewal/Amendments) DKT 50
MONTHYEARML23195A0782023-08-29029 August 2023 Issuance of Amendments Regarding the Adoption of Technical Specifications Task Force Traveler TSTF-554, Revision 1 ML22332A4932023-03-10010 March 2023 William States Lee III 1 and 2 - Issuance of Amendments Regarding the Relocation of the Emergency Operations Facility ML22321A0492022-12-0808 December 2022 Issuance of Amendment Nos. 426, 428 and 427, Additional Mode Change Limitations Applicable to the Adoption of TSTF- 359, Revision 9, Increase Flexibility in Mode Restraints ML22256A2532022-11-14014 November 2022 Issuance of Amendments Regarding the Adoption of Technical Specifications Task Force Traveler TSTF-541, Rev. 2 ML22096A1872022-07-15015 July 2022 Issuance of Amendment Nos. 424, 426, and 425 Revise TS 3.7.7, Low Pressure Service Water (LPSW) System to Extend the Completion Time for One Required Inoperable LPSW Pump ML22046A0222022-06-14014 June 2022 Issuance of Amendments to Adopt TSTF-439, Eliminate Second Completion Times Limiting Time from Discovery of Failure to Meet an LCO ML21362A7532022-01-0606 January 2022 Regulatory Audit in Support of the License Amendment Request for One-Time Note to Technical Specification 3.7.7, Low Pressure Service Water (LPSW) System ML21155A2132021-08-26026 August 2021 Plant ML21158A1952021-06-0707 June 2021 Application for Subsequent Renewed Operating Licenses. Part 2 of 8 ML21158A1982021-06-0707 June 2021 Application for Subsequent Renewed Operating Licenses. Part 5 of 8 ML21158A1962021-06-0707 June 2021 Application for Subsequent Renewed Operating Licenses. Part 3 of 8 ML21158A1992021-06-0707 June 2021 Application for Subsequent Renewed Operating Licenses. Part 6 of 8 ML21158A1972021-06-0707 June 2021 Application for Subsequent Renewed Operating Licenses. Part 4 of 8 RA-21-0132, Application for Subsequent Renewed Operating Licenses. Part 7 of 82021-06-0707 June 2021 Application for Subsequent Renewed Operating Licenses. Part 7 of 8 ML21006A0982021-03-15015 March 2021 Issuance of Amendment Nos. 421, 423, and 422 Revision of Licensing Basis for High Energy Line Breaks Outside of Containment (EPID L-2019-LLA-0184) (Public Version) ML20335A0012021-01-26026 January 2021 Issuance of Amendment Nos. 420, 422, and 421 Measurement Uncertainty Recapture Power Uprate ML20303A0242020-12-0909 December 2020 Issuance of Amendments 419, 421, 420 TSTF-272, Refueling Boron Concentration Clarification ML20296A2812020-11-25025 November 2020 Issuance of Amendment Nos. 418, 420 and 419 TSTF-421, Revision to RCP Flywheel Inspection Program ML20258A2712020-09-21021 September 2020 Correction Letter to Amendment Nos. 301, 329, 307, 303, 178, 317, 296, 416, 418, 417, and 268 ML20237F4352020-09-0404 September 2020 Issuance of Amendments Regarding the Technical Specification Requirements Pertaining to Mode Change Limitations ML20083F9272020-08-12012 August 2020 Issuance of Amendments to Relocate the Unit/Facility/Plant Staff Qualification Requirements to the Duke Energy Quality Assurance Program Description ML19260E0842019-10-31031 October 2019 Issuance of Amendments 415, 417, and 416, Regarding the Updated Final Safety Analysis Report Description of Tornado Mitigation ML19056A0862019-09-30030 September 2019 Issuance of Amendments Nos. 414, 416 and 415 Regarding the Physical Security Plan ML19183A3172019-07-17017 July 2019 Issuance of Amendments Regarding the Updated Final Safety Analysis Report Section for Fission Gas Gap Release Rates ML19140A0262019-06-14014 June 2019 Issuance of Amendments Regarding the Technical Specifications for Electrical Power Systems ML18311A1342018-12-17017 December 2018 Non Proprietary - Issuance of Amendments Regarding the Updated Final Safety Analysis Report Section for the Standby Shutdown Facility ML18172A1722018-08-15015 August 2018 Issuance of Amendments to Adopt TSTF-545, Revision 3, TS Inservice Testing Program Removal & Clarify SR Usage Rule Application ML18040A1942018-04-12012 April 2018 Issuance of Amendments Regarding the Technical Specifications for Control Room Habitability (CAC Nos. MF9555, MF9556, and MF9557; EPID L-2017-LLA-0219) ML17124A6082017-11-20020 November 2017 Issuance of Amendments Regarding the Technical Specifications for Electrical Power Systems (CAC Nos. MF7417, MF7418, and MF7419; EPID L-2016-LLA-0002) ML17188A3872017-08-21021 August 2017 Issuance of Amendments Regarding Application to Consolidate Emergency Operations Facilities and Associated Emergency Plan Changes (CAC Nos. MF7650 Through MF7660) ML17167A2652017-07-12012 July 2017 Issuance of Amendments Regarding the Technical Specifications for Dry Spent Fuel Storage Cask Loading and Unloading (CAC Nos. MF8161, MF8162, and MF8163) ML17103A5092017-05-11011 May 2017 Issuance of Amendments Allowing the Use of the Copernic Fuel Performance Code ML17066A3742017-04-26026 April 2017 Issuance of Amendments Re. Application to Revise TSs to Adopt TSTF-427, Rev. 2, Using the Consolidated Line Item Improvement Process (CAC Nos. MF8039 Through MF8049) ML16159A3362016-07-19019 July 2016 Issuance of Amendments Regarding Request to Use an Alternate Fission Gas Gap Release Fraction (CAC Nos. MF6480 Through MF6486) ML16174A0722016-06-27027 June 2016 Correction to License Pages Issuance of Amendments Regarding Adoption of TSTF-523 (Cac Nos. MF6413 Through MF6422) ML16138A3322016-06-0606 June 2016 Issuance of Amendments to Correct Usage Problem with Technical Specification 3.8.1 ML16109A0932016-05-26026 May 2016 Issuance of License Amendments Regarding Emergency Action Level Scheme Change ML16088A3302016-04-29029 April 2016 Issuance of Amendments to Add High Flux Trip for Three Reactor Coolant Pump Operation ML16085A1132016-04-29029 April 2016 1 & 2; Shearon Harris Nuclear Power Plant 1; Catawba Nuclear Station 1 & 2; Mcguire Nuclear Station 1 & 2; and Oconee Nuclear Station 1, 2, & 3: Issuance of Amendments Regarding Adoption of TSTF-523 (CAC Nos. MF6413-MF6422) ML16075A3012016-04-26026 April 2016 Issuance of Amendments Regarding the Revision of the Steam Generator Technical Specifications to Reflect the Adoption of TSTF-510(CAC Nos. MF6139,MF6140,MF6141,MF6142,MF6143,MF6144. ML15166A3872015-09-24024 September 2015 Issuance of Amendments Regarding Allowed Maximum Rated Thermal Power ML15170A0552015-07-27027 July 2015 Issuance of Amendments Regarding Adoption of TSTF-513 ML15174A2672015-07-0707 July 2015 Issuance of Amendments Regarding the Inservice Testing Program ML15050A6712015-06-19019 June 2015 Issuance of Amendments Regarding Inspection Plan for Reactor Vessel Internals ML15133A4532015-06-11011 June 2015 McGuire Nuclear Station, Oconee Nuclear Station - Issuance of Amendments Regarding Changes to Cyber Security Plan Implementation Schedule Milestone 8 ML15093A3492015-04-23023 April 2015 Issuance of Amendments Regarding Keowee Hydro Unit (Khu) Steady State Frequency Requirements ML15002A3242015-02-12012 February 2015 McGuire Nuclear Station, and Oconee Nuclear Station - Issuance of Amendments Regarding Changes to Organization, Unit Staff Responsibility, Unit Staff Qualifications, Programs and Manuals, and High Radiation Areas ML14195A3552014-10-21021 October 2014 Issuance of Amendments ML14254A2462014-09-25025 September 2014 Issuance of Amendments Regarding Quality Assurance Requirements for the Standby Shutdown Facility Equipment ML14206A7902014-08-13013 August 2014 Issuance of Amendments Regarding Implementation of the Protected Service Water System 2023-08-29
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Text
September 28, 2006 Mr. Bruce H. Hamilton Vice President, Oconee Site Duke Power Company LLC 7800 Rochester Highway Seneca, SC 29672
SUBJECT:
OCONEE NUCLEAR STATION, UNITS 1, 2, AND 3 - PUBLIC NOTICE OF APPLICATION FOR AMENDMENTS REGARDING EXTENDING COMPLETION TIMES (TAC NOS. MD3070, MD3071, AND MD3072)
Dear Mr. Hamilton:
The enclosed announcement was forwarded to the Greenville News and the Anderson Independent for publication. This announcement relates to your application dated September 27, 2006 , for amendment to Renewed Facility Operating License Nos. DPR-38, DPR-47, and DPR-55. The proposed amendments would extend the Completion Time of Technical Specification 3.8.1, AC Sources - Operating, Required Action C.2.2.5 for one time only to 75 days.
Sincerely,
/RA/
Leonard N. Olshan, Project Manager Plant Licensing Branch II-1 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket Nos. 50-269, 50-270, and 50-287
Enclosure:
Public Notice cc w/encl: See next page
Oconee Nuclear Station, Units 1, 2, and 3 cc:
Ms. Lisa F. Vaughn Duke Energy Corporation Mr. R. L. Gill, Jr.
526 South Church Street Manager - Nuclear Regulatory P. O. Box 1006 Issues and Industry Affairs Mail Code = EC07H Duke Energy Corporation Charlotte, North Carolina 28201-1006 526 S. Church St.
Mail Stop EC05P Manager, LIS Charlotte, NC 28202 NUS Corporation 2650 McCormick Dr., 3rd Floor Division of Radiation Protection Clearwater, FL 34619-1035 NC Dept of Environment, Health, & Natural Resources Senior Resident Inspector 3825 Barrett Dr.
U.S. Nuclear Regulatory Commission Raleigh, NC 27609-7721 7812B Rochester Highway Seneca, SC 29672 Mr. Peter R. Harden, IV VP-Customer Relations and Sales Mr. Henry Porter, Director Westinghouse Electric Company Division of Radioactive Waste Management 6000 Fairview Road Bureau of Land and Waste Management 12th Floor Dept. of Health and Env. Control Charlotte, NC 28210 2600 Bull St.
Columbia, SC 29201-1708 Mr. Henry Barron Group Vice President, Nuclear Generation Mr. Michael A. Schoppman and Chief Nuclear Officer Framatome ANP P.O. Box 1006-EC07H 1911 North Ft. Myer Dr. Charlotte, NC 28201-1006 Suite 705 Rosslyn, VA 22209 Mr. B. G. Davenport Regulatory Compliance Manager Oconee Nuclear Site Duke Energy Corporation ON03RC 7800 Rochester Highway Seneca, SC 29672 Ms. Karen E. Long Assistant Attorney General NC Department of Justice P.O. Box 629 Raleigh, NC 27602
September 28, 2006 Mr. Bruce H. Hamilton Vice President, Oconee Site Duke Power Company LLC 7800 Rochester Highway Seneca, SC 29672
SUBJECT:
OCONEE NUCLEAR STATION, UNITS 1, 2, AND 3 - PUBLIC NOTICE OF APPLICATION FOR AMENDMENTS REGARDING EXTENDING COMPLETION TIMES (TAC NOS. MD3070, MD3071, AND MD3072)
Dear Mr. Hamilton:
The enclosed announcement was forwarded to the Greenville News and the Anderson Independent for publication. This announcement relates to your application dated September 27, 2006 , for amendment to Renewed Facility Operating License Nos. DPR-38, DPR-47, and DPR-55. The proposed amendments would extend the Completion Time of Technical Specification 3.8.1, AC Sources - Operating, Required Action C.2.2.5 for one time only to 75 days.
Sincerely,
/RA/
Leonard N. Olshan, Project Manager Plant Licensing Branch II-1 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket Nos. 50-269, 50-270, and 50-287
Enclosure:
Public Notice cc w/encl: See next page Distribution:
PUBLIC RidsNrrLAMOBrien (2 Hard Copies)
PDII-1 R/F RidsOgcRp RidsNrrDorlLpl2-1 (Marinos) RidsAcrsAcnwMailCenter RidsNrrPMLOlshan (Hard Copy) RidsRgn2MailCenter (MErnstes)
RidsNrrDorlDpr MLesar, ADM/DFIPS (hardcopy)
SBurnell, OPA Accession Number: ML062710510 NRR106 OFFICE LPL2-1 LPL2-1 OGC LPL2-1 NAME LOlshan MOBrien JMoore (by phone) EMarinos DATE 09/28/06 09/28/06 09/28/06 09/28/06 OFFICIAL RECORD COPY
PUBLIC NOTICE NRC STAFF PROPOSES TO AMEND OPERATING LICENSES AT THE OCONEE NUCLEAR STATION, UNITS 1, 2, AND 3 The U.S. Nuclear Regulatory Commission (NRC) staff has received an application dated September 27, 2006, from Duke Power Company LLC, pursuant to 10 CFR 50.91, for exigent amendments to the renewed facility operating licenses for the Oconee Nuclear Station, Units 1, 2, and 3 (Oconee), located in Oconee County, South Carolina.
The proposed amendments would extend the Completion Time of Technical Specification (TS) 3.8.1, AC Sources - Operating, Required Action (RA) C.2.2.5 for one time only to 75 days.
[TS] 3.8.1, [RA] C.2.1 was entered for all three Oconee Units beginning on Saturday, September 23, 2006 at 1050 hours0.0122 days <br />0.292 hours <br />0.00174 weeks <br />3.99525e-4 months <br />. The condition was initially entered for Keowee Hydro Unit 2 (KHU #2) to perform routine surveillance testing. Shortly thereafter, KHU
- 2 experienced an emergency lockout condition. While logged into TS 3.8.1, RA C.2.1, the operability of the remaining Keowee Hydro Unit 1 (KHU #1) and associated underground power path was verified in accordance with RA C.1.
During troubleshooting on KHU #2, it was determined that one field coil pole connector had melted. The generator field coil poles are connected in series by flexible straps consisting of laminated copper. The straps are connected to each coil winding by a brazement. Oconee is still evaluating what caused the damage to the field coil pole connector.
Major repair steps include the following: pulling the Generator rotor; installing a turbine bracing bar; removing the damaged field coils; stator inspection and testing; repairing and testing the damaged field coils; removing the turbine bracing bar; installing the rotor and balancing; and testing to return KHU #2 to service. The time to complete repair could take up to approximately 40 days.
The other field coils on KHU #2 have been visually inspected with no signs of degradation. Additional testing will be performed once the rotor is removed.
During the routine surveillance testing associated with the event, both KHUs were being tested sequentially on the same day. KHU #1 voltages and currents were normal. No exciter alarm or abnormal indications were noted during operation. The exciter data indicated that there was no change in the field impedance on KHU #1.
RA C.2.2.5 provides an extended CT of 45 days in a three year period to allow for major
maintenance of KHUs. Since troubleshooting revealed that extensive repair was required and KHU #2 would not be returned to service within the 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> required by RA C.2.1, the extended CT of RA C.2.2.5 was used and both standby buses were energized from a Lee Combustion Turbine (LCT), KHU #1 commercial generation to the grid was suspended, KHU # 1 and its underground path and both required offsite sources were verified OPERABLE, various electrical power system related Limiting Conditions for Operation (LCOs) were verified are met, an alternate power source was verified, and RA C.2.2.5 was entered to restore KHU #2 and its required overhead emergency power path to OPERABLE status. During the current three year period, the provisions of RA C.2.2.5 have only been utilized during an extended outage of KHU #2 from January 8, 2005 to February 11, 2005 for a total of 34 days, 0 hours0 days <br />0 hours <br />0 weeks <br />0 months <br /> and 21 minutes. The 45 day CT for RA C.2.2.5 is cumulative, so an additional 10 days, 23 hours2.662037e-4 days <br />0.00639 hours <br />3.80291e-5 weeks <br />8.7515e-6 months <br />, 39 minutes remain to be utilized. Historically this provision has rarely been used.
In fact, C.2.2.5 has only been entered two times for KHU #2 in the last 20 years.
Since the repair is extensive and will require more than the remaining CT, this License Amendment requests review and approval for use of an additional 30 days to the CT of TS 3.8.1 RA C.2.2.5 in order to avoid an unplanned forced shutdown of all three Oconee Units and the potential safety consequences and operational risks associated with that action. Conservative risk analysis fully supports the requested additional time. Due to the urgent nature of this License Amendment Request (LAR), an exigent one-time TS extension is being requested.
The licensee and the NRC staff have evaluated this proposed change with regard to the determination of whether or not a significant hazards consideration is involved. Operation of Oconee in accordance with the proposed amendments would not:
- 1) Involve a significant increase in the probability or consequences of an accident previously evaluated.
The request involves a one-time extension of the Completion Time for Required Action C.2.2.5 associated with restoring compliance with TS 3.8.1.
The likelihood of an event occurring during the additional Completion Time of 30 days is essentially the same as that which would occur during the existing 45 day Completion Time; therefore, the probability of an accident previously evaluated is not significantly increased.
The consequences associated with extending the Completion Time by 30 days have been evaluated and results in no change for a previously evaluated accident. In addition, the additional time to effect repairs to the Keowee Hydro Unit will permit Duke to avoid an unplanned forced shutdown of all three Oconee Units and the potential safety consequences and operational risks associated with that action.
There are no adverse impacts on containment integrity, radiological release pathways, fuel design, filtration systems, main steam relief valve set points, or
radwaste systems. No new radiological release pathways are created.
A Lee Combustion Turbine will be energizing both standby buses via an isolated power path. As an additional conservative measure, a second Lee Combustion Turbine will be operating in standby. The third remaining Lee Combustion Turbine is also available and can be started and used to supply both standby buses should the running Lee Combustion Turbine fail. These actions will be implemented to further reduce the risk impact during the extension period.
- 2) Create the possibility of a new or different kind of accident from any accident previously evaluated.
The request for this one-time Technical Specification change involves an extension of the Completion Time for Technical Specification 3.8.1, Required Action C.2.2.5, associated with restoring compliance with the Technical Specification. The proposed change will not physically alter the present plant configuration nor adversely affect how the plant is currently operated. Consequently, this request does not create the possibility of a new or different kind of accident from any kind of accident previously evaluated. Measures previously specified in this submittal are in place as additional risk minimizing actions.
- 3) Involve a significant reduction in a margin of safety.
Since the proposed change will not physically alter the present plant configuration nor adversely affect how the plant is currently operated, the proposed change does not adversely affect any plant safety limits, setpoints, or design parameters. The change also does not adversely affect the fuel, fuel cladding, Reactor Coolant System, or containment integrity. Therefore, the proposed change does not involve a reduction in a margin of safety. Measures previously specified in this submittal are in place as additional risk minimizing actions.
Following an initial review of this application, the requested amendments have been evaluated against the standards in 10 CFR 50.92 and the NRC staff has made a proposed (preliminary) determination that the requested amendments involve no significant hazards considerations. The changes do not significantly increase the probability or consequences of any accident previously considered, nor create the possibility of an accident of a different kind, nor significantly decrease any margin of safety.
If the proposed determination that the requested license amendment involves no significant hazards consideration becomes final, the staff will issue the amendments without first offering an opportunity for a public hearing. An opportunity for a hearing will be published in the Federal
Register at a later date and any hearing request will not delay the effective date of the amendment.
If the staff decides in its final determination that the amendment does involve a significant hazards consideration, a notice of opportunity for a prior hearing will be published in the Federal Register and, if a hearing is granted, it will be held before the amendment is issued.
Comments on the proposed determination of no significant hazards consideration may be (1) telephoned to Evangelos C. Marinos, Chief, Plant Licensing Branch II-1, by collect call to 301-415-2911, or by facsimile to 301-415-1222, (2) e-mailed to ecm@nrc.gov or (3) submitted in writing to the Chief, Rulemaking, Directives and Editing Branch, Division of Administrative Services, Office of Administration, U.S. Nuclear Regulatory Commission, Washington, DC 20555-0001. All comments received by close of business on October 3, 2006, from 7:30 a.m.
to 4:15 p.m. Federal workdays will be considered in reaching a final determination. A copy of the application may be examined electronically through the Agencywide Documents Access and Management System (ADAMS) Public Electronic Reading Room link at the NRC Web site http://www.nrc.gov/reading-rm/adams.html and at the Commission's Public Document Room (PDR), located at One White Flint North, Public File Area O1 F21, 11555 Rockville Pike (first floor), Rockville, Maryland. Persons who do not have access to ADAMS or who encounter problems in accessing the documents located in ADAMS should contact the NRC PDR Reference staff by telephone at 1-800-397-4209, or 301-415-4737, or by e-mail to pdr@nrc.gov.