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| | issue date = 07/16/2007 | | | issue date = 07/16/2007 |
| | title = Request for Additional Information for Deletion of License Condition 2.G.(2) (TAC No. MD5871) (TS-461) | | | title = Request for Additional Information for Deletion of License Condition 2.G.(2) (TAC No. MD5871) (TS-461) |
| | author name = Brown E A | | | author name = Brown E |
| | author affiliation = NRC/NRR/ADRO/DORL/LPLII-2 | | | author affiliation = NRC/NRR/ADRO/DORL/LPLII-2 |
| | addressee name = Campbell W R | | | addressee name = Campbell W |
| | addressee affiliation = Tennessee Valley Authority | | | addressee affiliation = Tennessee Valley Authority |
| | docket = 05000259 | | | docket = 05000259 |
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| =Text= | | =Text= |
| {{#Wiki_filter:July 16, 2007Mr. William R. CampbellChief Nuclear Officer and Executive Vice President Tennessee Valley Authority 6A Lookout Place 1101 Market Street Chattanooga, TN 37402-2801 | | {{#Wiki_filter:July 16, 2007 Mr. William R. Campbell Chief Nuclear Officer and Executive Vice President Tennessee Valley Authority 6A Lookout Place 1101 Market Street Chattanooga, TN 37402-2801 |
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| ==SUBJECT:== | | ==SUBJECT:== |
| BROWNS FERRY NUCLEAR PLANT, UNIT 1 - REQUEST FOR ADDITIONALINFORMATION FOR DELETION OF LICENSE CONDITION 2.G.(2) | | BROWNS FERRY NUCLEAR PLANT, UNIT 1 - REQUEST FOR ADDITIONAL INFORMATION FOR DELETION OF LICENSE CONDITION 2.G.(2) |
| (TAC NO. MD5871)(TS-461) | | (TAC NO. MD5871)(TS-461) |
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| ==Dear Mr. Campbell:== | | ==Dear Mr. Campbell:== |
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| By letter dated June 25, 2007, the Tennessee Valley Authority (TVA, the licensee) submitted anamendment request for Browns Ferry Nuclear Plant (BFN), Unit 1, 2 and 3, as supplemented by a letter dated July 3, 2007. Initially, the proposed amendment would change the Unit 1 operating license to delay theperformance of a large transient test at 105-percent original licensed thermal power (OLTP) required by License Condition (LC) 2.G.(2). After discussions between TVA and the U.S. Nuclear Regulatory Commission (NRC), the request was revised on July 3, 2007, to permit the deletion of LC 2.G.(2) without additional testing at 105-percent OLTP. The enclosed Requestfor Additional Information (RAI) is related to this submittal.A response to the enclosed RAI is needed before the NRC staff can complete the review. Thisrequest was discussed with Mr. David Langley of your staff on July 9, 2007, and TVA agreed torespond by July 20, 2007.If you have any questions, please contact me at (301) 415-2315.Sincerely,/RA/Eva A. Brown, Senior Project ManagerPlant Licensing Branch II-2 Division of Operating Reactor Licensing Office of Nuclear Reactor RegulationDocket No. 50-259 | | By letter dated June 25, 2007, the Tennessee Valley Authority (TVA, the licensee) submitted an amendment request for Browns Ferry Nuclear Plant (BFN), Unit 1, 2 and 3, as supplemented by a letter dated July 3, 2007. |
| | Initially, the proposed amendment would change the Unit 1 operating license to delay the performance of a large transient test at 105-percent original licensed thermal power (OLTP) required by License Condition (LC) 2.G.(2). After discussions between TVA and the U.S. Nuclear Regulatory Commission (NRC), the request was revised on July 3, 2007, to permit the deletion of LC 2.G.(2) without additional testing at 105-percent OLTP. The enclosed Request for Additional Information (RAI) is related to this submittal. |
| | A response to the enclosed RAI is needed before the NRC staff can complete the review. This request was discussed with Mr. David Langley of your staff on July 9, 2007, and TVA agreed to respond by July 20, 2007. |
| | If you have any questions, please contact me at (301) 415-2315. |
| | Sincerely, |
| | /RA/ |
| | Eva A. Brown, Senior Project Manager Plant Licensing Branch II-2 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket No. 50-259 |
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| ==Enclosure:== | | ==Enclosure:== |
| RAI cc w/enclosure: See next page | | RAI cc w/enclosure: See next page |
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| ML071920340 NRR-088 OFFICELPL2-2/PMLPL2-2/LADSS/SBWB/BCDSS/SBPB/BCLPL2-2/BC NAMEEBrownBClaytonGCranstonJWermiel for JSegalaBMozafari for TBoyce DATE 07/16 /07 07/ 16 /07 07/13/07 07/16/07 07 / 16 /07 Letter to William R. Campbell from Eva A. Brown dated July 16, 2007 | | ML071920340 NRR-088 OFFICE LPL2-2/PM LPL2-2/LA DSS/SBWB/BC DSS/SBPB/BC LPL2-2/BC NAME EBrown BClayton GCranston JWermiel for JSegala BMozafari for TBoyce DATE 07/16 /07 07/ 16 /07 07/13/07 07/16/07 07 / 16 /07 Letter to William R. Campbell from Eva A. Brown dated July 16, 2007 |
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| ==SUBJECT:== | | ==SUBJECT:== |
| BROWNS FERRY NUCLEAR PLANT, UNIT 1 - REQUEST FOR ADDITIONALINFORMATION FOR DELETION OF LICENSE CONDITION 2.G.(2) | | BROWNS FERRY NUCLEAR PLANT, UNIT 1 - REQUEST FOR ADDITIONAL INFORMATION FOR DELETION OF LICENSE CONDITION 2.G.(2) |
| (TAC NO. MD5871)(TS-461) DISTRIBUTION: | | (TAC NO. MD5871)(TS-461) |
| | DISTRIBUTION: |
| PUBLIC LPL2-2 R/F RidsNrrDorlLpl2-2 RidsNrrPMEBrown RidsNrrLABClayton (Hard Copy) | | PUBLIC LPL2-2 R/F RidsNrrDorlLpl2-2 RidsNrrPMEBrown RidsNrrLABClayton (Hard Copy) |
| RidsNrrDorlDpr RidsNrrDssSbwb (GCranston) | | RidsNrrDorlDpr RidsNrrDssSbwb (GCranston) |
| RidsNrrDraSbpb (JSegala) | | RidsNrrDraSbpb (JSegala) |
| RidsNrrPMTAlexion RidsAcrsAcnwMailCenter RidsOgcRp (MZobler) | | RidsNrrPMTAlexion RidsAcrsAcnwMailCenter RidsOgcRp (MZobler) |
| JTatum AStubbs SJones MRazzaque REQUEST FOR ADDITIONAL INFORMATIONREMOVAL OF LICENSE CONDITION 2.G.(2)TENNESSEE VALLEY AUTHORITYBROWNS FERRY NUCLEAR PLANT, UNIT 1DOCKET NO. 50-259 1.Identify the acceptance criteria (both primary and secondary) applicable to the generatorload reject and main steam isolation valve (MSIV) closure tests. Explain (using major system component setpoints and time requirements) how the June 23rd MSIV isolation test satisfied the acceptance criteria and how the June 9th transient provides confidence based on modeling that the acceptance criteria would be satisfied for a generator load rejection from 105-percent original licensed thermal power. 2.For the MSIV Closure test at 3456 Megawatt thermal (MWt) [99.9 percent rated currentlicensed thermal power (CLTP)], provide the following information:a)Provide the high pressure coolant inject/reactor core isolation cooling injectionwater temperature;b)Provide an estimate of the fraction of decay heat from the steady state value atthe time of the test, and how that differs from the assumptions in the analysis of record.3.Section 14.5.2.7.1 of the Updated Final Safety Analysis Report (UFSAR) provides theanalysis of an MSIV closure test at 3458 MWt (100 percent CLTP) analysis. From that analysis, provide the peak pressure calculated by ODYN and how much higher it was from the peak pressure during the test.4.Additionally, Section 14.5.2.7 of the UFSAR indicated that the main steam relief valves(MSRVs) should lift momentarily during an MSIV closure. Address why the MSRVs did not lift, given that all 12 were predicted to be opened. Address the affect different initial conditions and operator action had on the observed results when compared to the expected. | | JTatum AStubbs SJones MRazzaque |
| William R. Campbell, Jr.BROWNS FERRY NUCLEAR PLANTTennessee Valley Authority cc:Mr. Ashok S. Bhatnagar
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| Senior Vice President Nuclear Generation Development and Construction Tennessee Valley Authority
| | REQUEST FOR ADDITIONAL INFORMATION REMOVAL OF LICENSE CONDITION 2.G.(2) |
| | TENNESSEE VALLEY AUTHORITY BROWNS FERRY NUCLEAR PLANT, UNIT 1 DOCKET NO. 50-259 |
| | : 1. Identify the acceptance criteria (both primary and secondary) applicable to the generator load reject and main steam isolation valve (MSIV) closure tests. Explain (using major system component setpoints and time requirements) how the June 23rd MSIV isolation test satisfied the acceptance criteria and how the June 9th transient provides confidence based on modeling that the acceptance criteria would be satisfied for a generator load rejection from 105-percent original licensed thermal power. |
| | : 2. For the MSIV Closure test at 3456 Megawatt thermal (MWt) [99.9 percent rated current licensed thermal power (CLTP)], provide the following information: |
| | a) Provide the high pressure coolant inject/reactor core isolation cooling injection water temperature; b) Provide an estimate of the fraction of decay heat from the steady state value at the time of the test, and how that differs from the assumptions in the analysis of record. |
| | : 3. Section 14.5.2.7.1 of the Updated Final Safety Analysis Report (UFSAR) provides the analysis of an MSIV closure test at 3458 MWt (100 percent CLTP) analysis. From that analysis, provide the peak pressure calculated by ODYN and how much higher it was from the peak pressure during the test. |
| | : 4. Additionally, Section 14.5.2.7 of the UFSAR indicated that the main steam relief valves (MSRVs) should lift momentarily during an MSIV closure. Address why the MSRVs did not lift, given that all 12 were predicted to be opened. Address the affect different initial conditions and operator action had on the observed results when compared to the expected. |
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| 6A Lookout Place 1101 Market Street Chattanooga, TN 37402-2801 Mr. Preston D. Swafford Senior Vice President Nuclear Support Tennessee Valley Authority
| | William R. Campbell, Jr. BROWNS FERRY NUCLEAR PLANT Tennessee Valley Authority cc: |
| | | Mr. Ashok S. Bhatnagar Decatur, AL 35609 Senior Vice President Mr. Robert G. Jones, General Manager Nuclear Generation Development Browns Ferry Site Operations and Construction Browns Ferry Nuclear Plant Tennessee Valley Authority Tennessee Valley Authority 6A Lookout Place P.O. Box 2000 1101 Market Street Decatur, AL 35609 Chattanooga, TN 37402-2801 Mr. Larry S. Mellen Mr. Preston D. Swafford Browns Ferry Unit 1 Project Engineer Senior Vice President Division of Reactor Projects, Branch 6 Nuclear Support U.S. Nuclear Regulatory Commission Tennessee Valley Authority 61 Forsyth Street, SW. |
| 6A Lookout Place 1101 Market Street Chattanooga, TN 37402-2801 Mr. Walter M. Justice II Interim Vice President Nuclear Engineering & Technical Services Tennessee Valley Authority
| | 6A Lookout Place Suite 23T85 1101 Market Street Atlanta, GA 30303-8931 Chattanooga, TN 37402-2801 Ms. Beth A. Wetzel, Manager Mr. Walter M. Justice II Corporate Nuclear Licensing Interim Vice President and Industry Affairs Nuclear Engineering & Technical Services Tennessee Valley Authority Tennessee Valley Authority 4X Blue Ridge 6A Lookout Place 1101 Market Street 1101 Market Street Chattanooga, TN 37402-2801 Chattanooga, TN 37402-2801 Mr. William D. Crouch, Manager Brian OGrady, Site Vice President Licensing and Industry Affairs Browns Ferry Nuclear Plant Browns Ferry Nuclear Plant Tennessee Valley Authority Tennessee Valley Authority P.O. Box 2000 P.O. Box 2000 Decatur, AL 35609 Decatur, AL 35609 General Counsel Senior Resident Inspector Tennessee Valley Authority U.S. Nuclear Regulatory Commission ET 11A Browns Ferry Nuclear Plant 400 West Summit Hill Drive 10833 Shaw Road Knoxville, TN 37902 Athens, AL 35611-6970 Mr. John C. Fornicola, General Manager State Health Officer Nuclear Assurance Alabama Dept. of Public Health Tennessee Valley Authority RSA Tower - Administration 6A Lookout Place Suite 1552 1101 Market Street P.O. Box 303017 Chattanooga, TN 37402-2801 Montgomery, AL 36130-3017 Mr. Bruce Aukland, Plant Manager Chairman Browns Ferry Nuclear Plant Limestone County Commission Tennessee Valley Authority 310 West Washington Street P.O. Box 2000 Athens, AL 35611 Decatur, AL 35609 Mr. Robert H. Bryan, Jr., General Manager Mr. Masoud Bajestani, Vice President Licensing and Industry Affairs Browns Ferry Unit 1 Restart Tennessee Valley Authority Browns Ferry Nuclear Plant 4X Blue Ridge Tennessee Valley Authority 1101 Market Street P.O. Box 2000 Chattanooga, TN 37402-2801}} |
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| 6A Lookout Place 1101 Market Street Chattanooga, TN 37402-2801Brian O'Grady, Site Vice PresidentBrowns Ferry Nuclear Plant Tennessee Valley Authority P.O. Box 2000 Decatur, AL 35609General CounselTennessee Valley Authority ET 11A 400 West Summit Hill Drive Knoxville, TN 37902Mr. John C. Fornicola, General ManagerNuclear Assurance Tennessee Valley Authority
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| 6A Lookout Place 1101 Market Street Chattanooga, TN 37402-2801Mr. Bruce Aukland, Plant ManagerBrowns Ferry Nuclear Plant Tennessee Valley Authority P.O. Box 2000 Decatur, AL 35609Mr. Masoud Bajestani, Vice PresidentBrowns Ferry Unit 1 Restart Browns Ferry Nuclear Plant Tennessee Valley Authority P.O. Box 2000Decatur, AL 35609Mr. Robert G. Jones, General Manager Browns Ferry Site Operations Browns Ferry Nuclear Plant Tennessee Valley Authority P.O. Box 2000 Decatur, AL 35609Mr. Larry S. MellenBrowns Ferry Unit 1 Project Engineer Division of Reactor Projects, Branch 6 U.S. Nuclear Regulatory Commission 61 Forsyth Street, SW.
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| Suite 23T85 Atlanta, GA 30303-8931 Ms. Beth A. Wetzel, ManagerCorporate Nuclear Licensing and Industry Affairs Tennessee Valley Authority 4X Blue Ridge 1101 Market Street Chattanooga, TN 37402-2801Mr. William D. Crouch, ManagerLicensing and Industry Affairs Browns Ferry Nuclear Plant Tennessee Valley Authority P.O. Box 2000 Decatur, AL 35609Senior Resident InspectorU.S. Nuclear Regulatory Commission Browns Ferry Nuclear Plant 10833 Shaw Road | |
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| Athens, AL 35611-6970State Health OfficerAlabama Dept. of Public Health RSA Tower - Administration | |
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| Suite 1552 P.O. Box 303017 Montgomery, AL 36130-3017ChairmanLimestone County Commission 310 West Washington Street | |
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| Athens, AL 35611Mr. Robert H. Bryan, Jr., General ManagerLicensing and Industry Affairs Tennessee Valley Authority 4X Blue Ridge 1101 Market Street Chattanooga, TN 37402-2801}} | |
Letter Sequence RAI |
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MONTHYEARML0717905142007-06-25025 June 2007
Unit 1, Exigent Technical Specifications (TS) Change TS-461 - Modification of Restart Large Transient Testing License Condition 2. (G) 2
Project stage: Request
ML0718705152007-07-0909 July 2007
Individual Notice of Consideration of Issuance of Amendments Concerning Deletion of License Condition 2 (G)2 (TAC No. MD5871) (TS-461)
Project stage: Other
ML0719203402007-07-16016 July 2007
Request for Additional Information for Deletion of License Condition 2.G.(2) (TAC No. MD5871) (TS-461)
Project stage: RAI
ML0720706672007-07-26026 July 2007
Browns, Unit 1 - Technical Specifications (TS) Change TS-461S1 - Modification of Restart Large Transient Testing License Condition 2. (G)2 - Response to Request for Additional Information (RAI)
Project stage: Response to RAI
ML0722506192007-08-14014 August 2007
Issuance of Amendment Deletion of License Condition 2.G.(2) TAC MD5871
Project stage: Approval
ML0722602322007-08-14014 August 2007
Issuance of Amendment Deletion of License Condition 2.G.(2) TAC MD5871
Project stage: Approval
2007-07-26
[Table View] |
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Category:Letter
MONTHYEARIR 05000259/20240032024-11-0404 November 2024
Integrated Inspection Report 05000259/2024003 and 05000260/2024003 and 05000296/2024003
CNL-24-043, Application for Subsequent Renewed Operating Licenses, Second Safety Supplement2024-11-0101 November 2024
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ML24305A1692024-10-31031 October 2024
Site Emergency Plan Implementing Procedure Revision
05000259/LER-2024-003, Valid Specified System Actuation Caused the Automatic Start of Emergency Diesel Generators2024-10-29029 October 2024
Valid Specified System Actuation Caused the Automatic Start of Emergency Diesel Generators
05000259/LER-2024-001-02, Secondary Containment Isolation Valve Inoperable Due to Mechanical Failure2024-10-28028 October 2024
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ML24299A2632024-10-25025 October 2024
Response to Apparent Violation in NRC Inspection Report 05000260/2024090, EA-24-075
ML24289A1232024-10-24024 October 2024
Letter to James Barstow Re Environmental Scoping Summary Report for Browns Ferry
CNL-24-074, Tennessee Valley Authority - Central Emergency Control Center Emergency Plan Implementing Procedure Revisions2024-10-23023 October 2024
Tennessee Valley Authority - Central Emergency Control Center Emergency Plan Implementing Procedure Revisions
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Ahc 24-1578 Environmental Review of the Browns Ferry Nuclear Plant, Units 1, 2 and 3 Subsequent License Renewal Application Limestone County
CNL-24-077, Application for Subsequent Renewed Operating Licenses, Response to Request for Additional Information, Set 12024-10-0909 October 2024
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ML24270A2162024-09-27027 September 2024
Notice of Intentions Regarding Preliminary Finding from NRC Inspection Report 05000260/2024090, EA-24-075
CNL-24-060, Supplement to Request for Approval of the Tennessee Valley Authority Nuclear Quality Assurance Program Description2024-09-24024 September 2024
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ML24262A1502024-09-24024 September 2024
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Summary of August 19, 2024, Meeting with Tennessee Valley Authority Regarding a Proposed Supplement to the Tennessee Valley Authority Nuclear Quality Assurance Plan
ML24263A2952024-09-19019 September 2024
Site Emergency Plan Implementing Procedure Revision
CNL-24-065, Tennessee Valley Authority – Central Emergency Control Center Emergency Plan Implementing Procedure Revisions2024-09-18018 September 2024
Tennessee Valley Authority – Central Emergency Control Center Emergency Plan Implementing Procedure Revisions
IR 05000260/20240902024-09-17017 September 2024
NRC Inspection Report 05000260/2024090 and Preliminary White Finding and Apparent Violation - 1
CNL-24-062, Cycle 16 Reload Analysis Report2024-09-16016 September 2024
Cycle 16 Reload Analysis Report
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Full Audit Plan
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Cyber Security Inspection Report 05000259/2024404 and 05000260-2024404 and 05000296/2024404-Cover Letter
IR 05000259/20240052024-08-26026 August 2024
Updated Inspection Plan for Browns Ferry Nuclear Plant, Units 1, 2 and 3 - Report 05000259/2024005, 05000260/2024005 and 05000296/2024005
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IR 05000259/20244022024-08-0606 August 2024
Security Baseline Inspection Report 05000259/2024402 and 05000260/2024402 and 05000296/2024402
ML24219A0272024-08-0606 August 2024
Response to NRC Regulatory Issue Summary 2024-01, Preparation and Scheduling of Operator Licensing Examinations
IR 05000259/20240022024-08-0202 August 2024
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Clarification and Correction to Exemption from Requirement of 10 CFR 37.11(c)(2)
ML24172A1342024-07-15015 July 2024
Exemptions from 10 CFR 37.11(C)(2) (EPID L-2023-LLE-0024) - Letter
ML24183A4142024-07-10010 July 2024
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05000296/LER-2024-003, Main Steam Relief Valves Lift Settings Outside of Technical Specifications Required Setpoints2024-07-0808 July 2024
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05000259/LER-2024-001-01, Inoperability of Unit 3 Diesel Generator Due to Relay Failure2024-07-0303 July 2024
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ML24184A1142024-07-0202 July 2024
Site Emergency Plan Implementing Procedure Revision
ML24183A3842024-07-0101 July 2024
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05000259/LER-2024-002, Reactor Scram Due to Generator Step-Up Transformer Failure2024-06-24024 June 2024
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Interim Report of a Deviation or Failure to Comply Associated with a Valve in the Unit 3 High Pressure Coolant Injection System
ML24176A1132024-06-23023 June 2024
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ML24089A1152024-06-21021 June 2024
Transmittal Letter, Environmental Assessments and Findings of No Significant Impact Related to Exemption Requests from 10 CFR 37.11(c)(2)
ML24155A0042024-06-18018 June 2024
Proposed Alternative to the Requirements of the ASME Code (Revised Alternative Request 0-ISI-47)
ML24158A5312024-06-0606 June 2024
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05000260/LER-2024-002, High Pressure Coolant Injection Inoperable Due to Rupture Disc Failure and Resulting System Isolation2024-05-20020 May 2024
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2024-09-03
[Table view]
Category:Request for Additional Information (RAI)
MONTHYEARML24255A5822024-09-10010 September 2024
SLRA - Requests for Additional Information - Set 1
ML24255A5802024-09-10010 September 2024
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ML24116A2012024-04-17017 April 2024
Nrctva ISFSI CBS (RFI)
ML24045A0272024-02-14014 February 2024
NRR E-mail Capture - Request for Additional Information Related to the Exemption Request for the 10 CFR Part 73 Enhanced Weapons Rule
ML23332A0042023-11-27027 November 2023
NRR E-mail Capture - Request for Additional Information Related to Proposed Revised Alternative 0-ISI-47
ML23243A9892023-08-29029 August 2023
Inspection Information Request
ML23124A0082023-05-0303 May 2023
NRR E-mail Capture - Request for Additional Information Related to Proposed Alternative Requests for the 5th 10-Year Inservice Testing Interval for Browns Ferry Nuclear Plant, Units 1, 2, and 3
ML23041A0022023-02-0909 February 2023
NRR E-mail Capture - Request for Additional Information Related to TVA Alternative Request BFN-0-ISI-32 (CNL-22-025)
ML22299A0292022-10-26026 October 2022
NRR E-mail Capture - Request for Additional Information for Relief Request BFN-2-ISI-003 Re Weld Examination Coverage
ML22292A2722022-10-19019 October 2022
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ML22208A2172022-07-15015 July 2022
NRR E-mail Capture - Request for Additional Information Related to TVA Relief Request BFN-21-ISI-02 (CNL-21-081)
ML22174A2722022-06-24024 June 2022
Notification of Inspection and Request for Information for NRC Problem Identification and Resolution Inspection
ML22168A0802022-06-17017 June 2022
NRR E-mail Capture - Request for Confirmation of Information and Additional Information Related to TVAs Request to Use Control Bay Chiller Cross-Tie
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NRR E-mail Capture - Browns Ferry Nuclear Plant, Units 1, 2, and 3 - Request for Additional Information Re LAR to Use Advanced Framatome Methodologies in Support of Atrium 11 Fuel
ML22168A0392022-05-13013 May 2022
NRR E-mail Capture - Draft Request for Confirmation of Information and Additional Information Related to TVAs Request to Use Control Bay Chiller Cross-Tie
ML22144A1002022-05-12012 May 2022
NRR E-mail Capture - Request for Additional Information Related to TVAs Request to Revised the TVA Plants Radiological Emergency Plans
ML22047A1612022-02-16016 February 2022
NRR E-mail Capture - Request for Additional Information Regarding TVAs Request to Expand the SFP Criticality Safety Analysis for Browns Ferry Nuclear Plant, Units 1, 2, and 3
ML22025A4132022-01-25025 January 2022
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ML21343A4232021-12-0909 December 2021
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ML21173A1042021-06-21021 June 2021
NRR E-mail Capture - Browns Ferry Nuclear Plant, Units 1, 2, and 3 - Request for Additional Information Regarding Request to TS 3.8.6
ML21041A5422021-02-10010 February 2021
NRR E-mail Capture - Browns Ferry Nuclear Plant, Units 1, 2, and 3 - Request for Additional Information Regarding Request to Adopt 10 CFR 50.69
ML21041A5432021-02-0505 February 2021
NRR E-mail Capture - Browns Ferry Nuclear Plant, Units 1, 2, and 3 - Draft Request for Additional Information Regarding 10 CFR 50.69 LAR
ML21026A1652021-01-26026 January 2021
Document Request for Browns Ferry Nuclear Plant - Radiation Protection Inspection - Inspection Report 2021-02
ML20297A3012020-10-22022 October 2020
NRR E-mail Capture - Browns Ferry Nuclear Plant, Units 1, 2, and 3 - Request for Additional Information Regarding Request to Adopt TSTF-425
ML20296A3782020-10-22022 October 2020
NRR E-mail Capture - Browns Ferry Nuclear Plant, Units 1, 2, and 3 - Request for Additional Information Regarding Request to Incorporate TMRE
ML20294A3762020-09-23023 September 2020
NRR E-mail Capture - Draft Request for Additional Information - Browns Ferry Nuclear Plant, Units 1, 2, and 3, Request to Adopt TSTF-425
ML20266G4472020-09-22022 September 2020
Notification of Inspection and Request for Information
ML20224A4732020-08-11011 August 2020
Requalification Program Inspection Browns Ferry Nuclear
ML20195B1302020-07-13013 July 2020
NRR E-mail Capture - Browns Ferry Nuclear Plant, Units 1, 2, and 3 - Request for Additional Information Regarding Alternative Request No. 0-ISI-47
ML20149K3212020-05-27027 May 2020
RP Inspection Document Request, Browns Ferry 2020-003
ML20254A3032020-05-13013 May 2020
Request for Supporting Information for the Browns Ferry, Units 1, 2, and 3 Seismic Probabilistic Risk Assessment Audit Review
ML20054B8592020-02-20020 February 2020
Emergency Preparedness Program Inspection Request for Information
ML20014E6552020-01-14014 January 2020
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2024-09-10
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Text
July 16, 2007 Mr. William R. Campbell Chief Nuclear Officer and Executive Vice President Tennessee Valley Authority 6A Lookout Place 1101 Market Street Chattanooga, TN 37402-2801
SUBJECT:
BROWNS FERRY NUCLEAR PLANT, UNIT 1 - REQUEST FOR ADDITIONAL INFORMATION FOR DELETION OF LICENSE CONDITION 2.G.(2)
(TAC NO. MD5871)(TS-461)
Dear Mr. Campbell:
By letter dated June 25, 2007, the Tennessee Valley Authority (TVA, the licensee) submitted an amendment request for Browns Ferry Nuclear Plant (BFN), Unit 1, 2 and 3, as supplemented by a letter dated July 3, 2007.
Initially, the proposed amendment would change the Unit 1 operating license to delay the performance of a large transient test at 105-percent original licensed thermal power (OLTP) required by License Condition (LC) 2.G.(2). After discussions between TVA and the U.S. Nuclear Regulatory Commission (NRC), the request was revised on July 3, 2007, to permit the deletion of LC 2.G.(2) without additional testing at 105-percent OLTP. The enclosed Request for Additional Information (RAI) is related to this submittal.
A response to the enclosed RAI is needed before the NRC staff can complete the review. This request was discussed with Mr. David Langley of your staff on July 9, 2007, and TVA agreed to respond by July 20, 2007.
If you have any questions, please contact me at (301) 415-2315.
Sincerely,
/RA/
Eva A. Brown, Senior Project Manager Plant Licensing Branch II-2 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket No. 50-259
Enclosure:
RAI cc w/enclosure: See next page
ML071920340 NRR-088 OFFICE LPL2-2/PM LPL2-2/LA DSS/SBWB/BC DSS/SBPB/BC LPL2-2/BC NAME EBrown BClayton GCranston JWermiel for JSegala BMozafari for TBoyce DATE 07/16 /07 07/ 16 /07 07/13/07 07/16/07 07 / 16 /07 Letter to William R. Campbell from Eva A. Brown dated July 16, 2007
SUBJECT:
BROWNS FERRY NUCLEAR PLANT, UNIT 1 - REQUEST FOR ADDITIONAL INFORMATION FOR DELETION OF LICENSE CONDITION 2.G.(2)
(TAC NO. MD5871)(TS-461)
DISTRIBUTION:
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REQUEST FOR ADDITIONAL INFORMATION REMOVAL OF LICENSE CONDITION 2.G.(2)
TENNESSEE VALLEY AUTHORITY BROWNS FERRY NUCLEAR PLANT, UNIT 1 DOCKET NO. 50-259
- 1. Identify the acceptance criteria (both primary and secondary) applicable to the generator load reject and main steam isolation valve (MSIV) closure tests. Explain (using major system component setpoints and time requirements) how the June 23rd MSIV isolation test satisfied the acceptance criteria and how the June 9th transient provides confidence based on modeling that the acceptance criteria would be satisfied for a generator load rejection from 105-percent original licensed thermal power.
- 2. For the MSIV Closure test at 3456 Megawatt thermal (MWt) [99.9 percent rated current licensed thermal power (CLTP)], provide the following information:
a) Provide the high pressure coolant inject/reactor core isolation cooling injection water temperature; b) Provide an estimate of the fraction of decay heat from the steady state value at the time of the test, and how that differs from the assumptions in the analysis of record.
- 3. Section 14.5.2.7.1 of the Updated Final Safety Analysis Report (UFSAR) provides the analysis of an MSIV closure test at 3458 MWt (100 percent CLTP) analysis. From that analysis, provide the peak pressure calculated by ODYN and how much higher it was from the peak pressure during the test.
- 4. Additionally, Section 14.5.2.7 of the UFSAR indicated that the main steam relief valves (MSRVs) should lift momentarily during an MSIV closure. Address why the MSRVs did not lift, given that all 12 were predicted to be opened. Address the affect different initial conditions and operator action had on the observed results when compared to the expected.
William R. Campbell, Jr. BROWNS FERRY NUCLEAR PLANT Tennessee Valley Authority cc:
Mr. Ashok S. Bhatnagar Decatur, AL 35609 Senior Vice President Mr. Robert G. Jones, General Manager Nuclear Generation Development Browns Ferry Site Operations and Construction Browns Ferry Nuclear Plant Tennessee Valley Authority Tennessee Valley Authority 6A Lookout Place P.O. Box 2000 1101 Market Street Decatur, AL 35609 Chattanooga, TN 37402-2801 Mr. Larry S. Mellen Mr. Preston D. Swafford Browns Ferry Unit 1 Project Engineer Senior Vice President Division of Reactor Projects, Branch 6 Nuclear Support U.S. Nuclear Regulatory Commission Tennessee Valley Authority 61 Forsyth Street, SW.
6A Lookout Place Suite 23T85 1101 Market Street Atlanta, GA 30303-8931 Chattanooga, TN 37402-2801 Ms. Beth A. Wetzel, Manager Mr. Walter M. Justice II Corporate Nuclear Licensing Interim Vice President and Industry Affairs Nuclear Engineering & Technical Services Tennessee Valley Authority Tennessee Valley Authority 4X Blue Ridge 6A Lookout Place 1101 Market Street 1101 Market Street Chattanooga, TN 37402-2801 Chattanooga, TN 37402-2801 Mr. William D. Crouch, Manager Brian OGrady, Site Vice President Licensing and Industry Affairs Browns Ferry Nuclear Plant Browns Ferry Nuclear Plant Tennessee Valley Authority Tennessee Valley Authority P.O. Box 2000 P.O. Box 2000 Decatur, AL 35609 Decatur, AL 35609 General Counsel Senior Resident Inspector Tennessee Valley Authority U.S. Nuclear Regulatory Commission ET 11A Browns Ferry Nuclear Plant 400 West Summit Hill Drive 10833 Shaw Road Knoxville, TN 37902 Athens, AL 35611-6970 Mr. John C. Fornicola, General Manager State Health Officer Nuclear Assurance Alabama Dept. of Public Health Tennessee Valley Authority RSA Tower - Administration 6A Lookout Place Suite 1552 1101 Market Street P.O. Box 303017 Chattanooga, TN 37402-2801 Montgomery, AL 36130-3017 Mr. Bruce Aukland, Plant Manager Chairman Browns Ferry Nuclear Plant Limestone County Commission Tennessee Valley Authority 310 West Washington Street P.O. Box 2000 Athens, AL 35611 Decatur, AL 35609 Mr. Robert H. Bryan, Jr., General Manager Mr. Masoud Bajestani, Vice President Licensing and Industry Affairs Browns Ferry Unit 1 Restart Tennessee Valley Authority Browns Ferry Nuclear Plant 4X Blue Ridge Tennessee Valley Authority 1101 Market Street P.O. Box 2000 Chattanooga, TN 37402-2801
