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Category:Memoranda
MONTHYEARML22147A0932022-06-0606 June 2022 2021 Annual Assessment Public Meeting Summary ML21140A3892021-05-24024 May 2021 Riv Column 1 EOC 2020 Public Meeting Summary ML21061A3202021-03-10010 March 2021 Summary of February 25, 2021, Public Meeting with Nuclear Energy Institute to Further Discuss the Inclusion of TSTF-425 Under the Risk-Informed Process for Evaluations Initiative ML21006A3242021-01-0707 January 2021 Approval of the Risk-Informed Process for Evaluations ML19120A1972019-04-26026 April 2019 Memo to File Environmental Assessment and Finding of No Significant Impact for Arizona Public Service Company'S Decommissioning Funding Plan Submitted in Accordance with 10 CFR 73.30(b) and 10 CFR 72.30(c) for Palo Verde ISFSI ML18173A0082018-06-20020 June 2018 Cancelling Numerous Inspection Report Numbers ML17128A4522017-05-0808 May 2017 Lessons Learned from Modeling the Flex Steam Generator Feed Pump for Palo Verde Nuclear Generating Station ML17082A4462017-03-28028 March 2017 PVNGS Units 1, 2, and 3 Transition to CE 16x16 Ngf - Draft RAIs Rev 3 ML17027A2842017-01-27027 January 2017 Charter for the NRC Special Inspection Team at Palo Verde Nuclear Generating Station-Review of Licensee Actions Related to the Failure of the Unit 3 Train B Emergency Diesel Generator ML17018A1232017-01-17017 January 2017 Management Directive 8.3 Evaluation for Palo Verde Unit 3 Emergency Diesel Generator Failure ML17003A0832017-01-0303 January 2017 Safety Evaluation Input Regarding Changes to Technical Specifications for One-Time Extension of Completion Time for Emergency Diesel Generator ML17003A3892017-01-0303 January 2017 Safety Evaluation Input Regarding the Palo Verde Nuclear Generating Station Unit 3 Emergency Request to Extend Diesel Generator 3B Completion Time ML17004A2092017-01-0303 January 2017 Safety Evaluation Input for Palo Verde Nuclear Generating Station, Unit 3, Llcense Amendment Request for a One-Time Extension of the 3B Emergency Diesel Generator Completion Time ML16358A4152016-12-23023 December 2016 Technical Specifications for One-Time Extension of Completion Time for Emergency Diesel Generator ML16088A2042016-03-28028 March 2016 Memo T Bowers from s Ruffin, Technical Assistance Requests - Review 2015 Tri-Annual Decommissioning Funding Plans for Multiple Independent Spent Fuel Storage Installations W/ Encl 2 (Template) ML16088A2052016-03-28028 March 2016 Enclosure 1 - (72.30 DFP Reviews to Be Completed 2015) - Memo T Bowers from s Ruffin, Technial Assistance Requests - Review 2015 Tri-Annual Decommissioning Funding Plans for Multiple Independent Spent Fuel Storage Installations ML15205A3602015-07-24024 July 2015 Assessment of Cyber Security Program Draft Temporary Instruction (Ti) Performed at Palo Verde Nuclear Generating Station ML15117A0422015-04-29029 April 2015 Memorandum to File Summarizing 4/24/15 Telephone Conference Granting Verbal Relief for Relief Request 53, Request for Approval of an Alternative to ASME Code, Section XI, Requirements for Flaw Removal ML14115A0452014-06-25025 June 2014 Issuance of Amendment Nos. 193, 193, and 193, Adopt Technical Specification Task Force (TSTF)-500, Revision 2, DC Electrical Rewrite - Update to TSTF-360 ML13238A0352014-04-22022 April 2014 Memo from P. Lee to M. Markley Palo Verde RAI Memorandum ML13330A5732013-12-0505 December 2013 Verbal Authorization of Relief Request 51, Alternative to ASME Code for Flaw Removal, Reactor Vessel Bottom-mounted Instrumentation Nozzle, Third 10-Year ISI Interval ML13324A4942013-11-19019 November 2013 Deferral of Baseline Inspection Activities ML13294A3732013-10-21021 October 2013 11/4/13 Notice of Meeting with Arizona Public Service Company to Discuss Non-destructive Examination Efforts, Repairs, and Progress on Root Cause Identified During Inspection of Bottom-Mounted Instrumentation Nozzles at Palo Verde, Unit 3 ML13281A2032013-10-0909 October 2013 11/5/2013 Notice of Preapplication Meeting to Discuss License Amendment Request to Incorporate Nuclear Energy Institute NEI-11-04 Quality Assurance Program at Palo Verde, Units 1, 2, and 3 ML13199A0082013-07-22022 July 2013 Meeting Notice with Arizona Public Service Company Low Pressure Safety Injection Pump Single Failure Analysis for Minimum Required Refueling Water Tank Transfer Volume at Palo Verde, Units 1, 2, and 3 ML13154A4832013-06-0404 June 2013 Rai'S Following Ifib Analysis of Ap'S 2013 Decommissioning Funding Status Report for Palo Verde Units 1, 2 and 3 ML13143A0892013-05-23023 May 2013 Meeting Notice with Arizona Public Service Company to Discuss the U.S. Nuclear Regulatory Commission (NRC) Staff'S Draft Request for Additional Information Relating to the February 28, 2013, Submittal ML13105A0182013-05-16016 May 2013 Request for Additional Information Regarding APS Overall Integrated Plan in Response to Order EA-12-049 ML13127A2432013-05-0808 May 2013 5/29/13 Meeting Via Conference Call with Arizona Public Service Company to Discuss Palo Verde Request to Revise Technical Specifications; Eliminate Use of the Term Core Alteration Consistent w/TSTF-471 and NUREG-1432, Rev 3 (TAC ME8160-ME81 ML12227A8562012-08-17017 August 2012 Notice of Meeting with Arizona Public Service Company to Discuss Relief Request 48 - Alternative to ASME Section III, Phased Array Ultrasonic Examination Techniques for Palo Verde, Units 1, 2, and 3 ML12157A2722012-06-11011 June 2012 5/31/2012 Summary of Telephone Conference with Licensees Regarding Near Term Task Force Recommendation 2.1 Seismic Reevaluations - Diablo Canyon, 1 and 2, San Onofre, Units 2 and 3, Columbia Generating Station, and Palo Verde, Units 1, 2, a ML1104604622011-02-15015 February 2011 Minutes Meeting of Palo Verde Nuclear Generating Station Units 1, 2, and 3 License Renewal Subcommittee, September 8, 2010, in Rockville, Maryland ML1030105232010-11-16016 November 2010 Summary of Teleconference Held on Between the U.S. NRC and Arizona Public Service Company, Concerning Draft Follow-Up Request for Additional Information Pertaining to the Palo Verde Nuclear Generating Station, Units 1, 2 and 3, LRA ML1029905302010-11-16016 November 2010 Summary of Telephone Conference Call Held on October 22, 2010, Btw the USNRC and Arizona Public Service Company, Concerning D-RAI Pertaining to the Palo Verde Nuclear Generating Station, Units 1, 2, and 3, LRA ML1030900182010-11-0505 November 2010 Notice of Meeting with Arizona Public Service Company to Discuss Palo Verde, Units 1, 2, and 3 License Amendment Request to Revise Technical Specification 3.7.4, Atmospheric Dump Valves. ML1020305002010-10-15015 October 2010 Summary of Tele Conf Call Held on 7/21/10, Btw the USNRC and Arizona Public Service Company, Concerning Draft Request for Additional Information Pertaining to the Palo Verde Nuclear Generating Station, Units 1, 2, and 3, License Renewal App ML1019401422010-10-15015 October 2010 July 8, 2010, Summary of Telephone Conference Call Held Between USNRC and Arizona Public Service Company Concerning D-RAI Pertaining to the Palo Verde Nuclear Generating Station, Units 1, 2, and 3, License Renewal Application ML1027801622010-10-13013 October 2010 9/15/10 Summary of Public Meeting to Discuss the Draft Supplemental Environmental Impact Statement for Palo Verde Nuclear Generating Station ML1028003402010-10-13013 October 2010 Final Response to Task Interface Agreement - Requirements for Degraded Voltage Relay Setpoints at Palo Verde Nuclear Generating Station (TIA 2010-005 ML1024303382010-10-0505 October 2010 Letter Summary of Telephone Conference Call Held on 8/31/10 Btw the USNRC and Arizona Public Service Company, Concerning Draft Request for Additional Information Pertaining to the Palo Verde Nuclear Generating Station, Units 1, 2, and 3, Lr ML1023102542010-08-24024 August 2010 Forthcoming Meeting to Discuss the Draft Supplemental Environmental Impact Statement (Dseis) for Palo Verde Nuclear Generating Station ML1021606502010-08-0909 August 2010 Transmittal Letter Advisory Committee on Reactor Safeguards Review of the Palo Verde Nuclear Generating Station, Units 1, 2, and 3, License Renewal Application - Safety Evaluation Report ML1017600272010-07-19019 July 2010 Summary of Telecon Calls Held on May 5, May 19, and June 16, 2010 Between the USNRC and Arizona Public Service Company, Concerning D-RAI Pertaining to the Palo Verde Nuclear Generating Station, Units 1, 2, and 3, License Renewal Application ML1013407882010-06-0202 June 2010 Summary of Tele Conf Call Held on 4/14/10, Btw USNRC and APS, Concerning D-RAI Pertaining to the PVNGS, Units 1,2 and 3, License Renewal Application ML1013302522010-06-0202 June 2010 4-13-2010, Telecon Summary Re Draft Request for Additional Information Pertaining to the License Renewal Application ML1013302862010-06-0202 June 2010 04/23/10 Summary of Telepone Conference Call Held Between NRC and Arizona Public Service Co., Concerning Palo Verde, Units 1, 2 & 3 License Renewal Application ML1013406662010-06-0202 June 2010 Summary of Tele Conf Call Held on 4/12/10, Btw the USNRC and APS, Concerning the PVNGS, Units 1, 2, and 3, License Renewal Application ML1013407042010-06-0202 June 2010 License Renewal, May 14, 2010 Conference Call Summary ML1010606402010-04-27027 April 2010 Summary of Tele Conference Call Held on 4/9/10, Btw the USNRC and Arizona Public Service Company, Concerning Draft Requests for Additional Information Pertaining to the Palo Verde Nuclear Generating Station, Units 1,2, and 3, License Renewa ML1009804822010-04-20020 April 2010 05/06/10 Notice of Public Working Meeting with Arizona Public Service to Discuss Issues Related to the Palo Verde Nuclear Generating Station License Renewal Application 2022-06-06
[Table view] Category:Note to File incl Telcon Record
MONTHYEARML1030105232010-11-16016 November 2010 Summary of Teleconference Held on Between the U.S. NRC and Arizona Public Service Company, Concerning Draft Follow-Up Request for Additional Information Pertaining to the Palo Verde Nuclear Generating Station, Units 1, 2 and 3, LRA ML1023001582010-08-12012 August 2010 8/12/2010 Conversation Record with NAC International Held on 8-09-2010 Nameplates on Loaded Ums and MPC Systems ML1013302522010-06-0202 June 2010 4-13-2010, Telecon Summary Re Draft Request for Additional Information Pertaining to the License Renewal Application ML0429603182004-06-14014 June 2004 APS Phone Call with NRC - Agenda 2010-08-12
[Table view] Category:Verbal Comm
MONTHYEARML1030105232010-11-16016 November 2010 Summary of Teleconference Held on Between the U.S. NRC and Arizona Public Service Company, Concerning Draft Follow-Up Request for Additional Information Pertaining to the Palo Verde Nuclear Generating Station, Units 1, 2 and 3, LRA ML1023001582010-08-12012 August 2010 8/12/2010 Conversation Record with NAC International Held on 8-09-2010 Nameplates on Loaded Ums and MPC Systems ML1013302522010-06-0202 June 2010 4-13-2010, Telecon Summary Re Draft Request for Additional Information Pertaining to the License Renewal Application ML0429603182004-06-14014 June 2004 APS Phone Call with NRC - Agenda 2010-08-12
[Table view] Category:Request for Additional Information (RAI)
MONTHYEARML24143A1112024-05-20020 May 2024 Draft 2nd Round Request for RAIs Concerning LAR to Modify LCO for TS 3.5.2, LCO for TS 3.6.5, and Surveillance Requirements 3.5.1.2 and 3.5.2.2 for TS 3.5.1 and TS 3.5.2 ML24123A2002024-05-0101 May 2024 (E-Mail) Draft 2nd Round Request for Additional Information Concerning License Amendment Request to Modify Limiting Condition for Operation (LCO) for Technical Specification (TS) 3.5.2, LCO for TS 3.6.5, 3.5.1.2 and 3.5.2.2 for TS 3.5.1, a ML24114A2812024-04-19019 April 2024 Request for Additional Information (RAI-10150-R1) ML24011A1002024-01-10010 January 2024 March 2024 Emergency Preparedness Program Inspection - Request for Information ML23334A1612023-11-30030 November 2023 NRR E-mail Capture - Palo Verde 1, 2, and 3 - RAIs Associated with License Renewal Commitment for Pressurizer Surge Line Welds Inspection Program to Manage Environmentally Assisted Fatigue ML23334A0072023-11-29029 November 2023 NRR E-mail Capture - Palo Verde 1, 2, and 3 - Official RAIs for LAR That Revises TSs 3.5.1, SITs - Operating; 3.5.2, SIT Shutdown; 3.6.5, Containment Air Temperature; and SRs for TS 3.5.1, SITs Operating ML23298A1232023-10-25025 October 2023 NRR E-mail Capture - Palo Verde, Unit 1 - RAIs for Relief Request 70, Proposed Alternatives for Pressurizer Lower Shell Temperature Nozzle ML23031A3392023-01-31031 January 2023 In-service Inspection Request for Information ML23013A0632023-01-13013 January 2023 NRR E-mail Capture - Palo Verde Unit 1 -Request for Additional Information - U1R23 Inspection Summary Report for Steam Generator Tubing ML22348A1672022-12-14014 December 2022 March 2023 Emergency Preparedness Exercise Inspection - Request for Information ML22339A2372022-12-0505 December 2022 NRR E-mail Capture - Palo Verde Unit 1 Request for Additional Information - U1R23 Inspection Summary Report for Steam Generator Tubing ML22272A3252022-09-29029 September 2022 Licensed Operator Positive Fitness-For-Duty Test Request for Additional Information ML22209A1752022-07-28028 July 2022 Inservice Inspection Request for Information ML22187A2632022-07-0606 July 2022 Notification of Inspection (NRC IR 05000528/2022004, 05000529/2022004 and 05000530/2022004) and Request for Information ML22067A2292022-03-0202 March 2022 Inservice Inspection Inspection PWR Request for Information ML22055A5842022-02-24024 February 2022 NRR E-mail Capture - Palo Verde, Unit 3 - Final RAIs for 22nd Refueling Outage (Spring 2021) Steam Generator Tube Inservice Inspection Report ML22035A3302022-02-10010 February 2022 Requests for Confirmation of Information for Exemption to Delete Diverse Auxiliary Feedwater Actuation System Based on Risk-Informed Process for Evaluations ML22025A4012022-01-0303 January 2022 March 2022 Emergency Preparedness Program Inspection - Request for Information ML21245A2222021-09-0101 September 2021 Request for Information ML21200A2392021-07-20020 July 2021 Docs Request AC - AA August 2021 ML21154A0082021-05-26026 May 2021 NRR E-mail Capture - Palo Verde 1, 2 and 3 - Official RAIs for LAR Associated with Permanent Extension of Containment ILRT Frequency to 15 Years (Type a) and CIV Leak Rate Test Frequency to 75 Months (Type C) ML21064A2372021-03-0303 March 2021 ISI Request for Information Rls ML21042B9692021-02-18018 February 2021 Notification of NRC Design Bases Assurance Inspection and Initial Request for Information ML21043A1462021-02-11011 February 2021 NRR E-mail Capture - Palo Verde 1, 2, and 3 - Official RAI for an Order Associated with Indirect License Transfer from Public Service Company of New Mexico to Avangrid, Inc ML21023A0212021-01-13013 January 2021 PVNGS PI&R Request for Information RA ML21011A1972021-01-12012 January 2021 Unit 2, and Unit 3 - Notification of an NRC Fire Protection Baseline Inspection (NRC Inspection Report 05000528/2021012, 05000529/2021012 and 05000530/2021012) and Request for Information ML20227A0992020-08-14014 August 2020 Licensed Operator Positive Fitness-For-Duty Test Request for Additional Information ML20118D1362020-04-28028 April 2020 Licensed Operator Positive Fitness-For-Duty Test Request for Additional Information ML20049A0992020-02-14014 February 2020 Notification of Cyber Security Inspection (NRC Inspection Report 05000528/2020401; 05000529/2020401; and 05000530/2020401) and Request for Information ML20049A0252020-02-12012 February 2020 NRR E-mail Capture - Palo Verde Nuclear Generating Station, Unit 1 - Official RAIs for License Amendment Request Associated with Changes to Emergency Plan Staffing Requirements ML20021A3172020-01-21021 January 2020 NRR E-mail Capture - Palo Verde Nuclear Generating Station, Unit 1 - Official RAIs for Relief Request 64, Impractical Examinations for the Third 10-Year ISI Interval ML19317D0782019-11-13013 November 2019 NRR E-mail Capture - Palo Verde 1 - Requests for Additional Information on Unit 1 21st Refueling Outage Steam Generator Tube Inspection Report ML19234A3202019-08-29029 August 2019 Redacted - Request for Additional Information for Amendment and Exemption Request to Support the Implementation of Framatome High Thermal Performance Fuel (EPID L-2018-LLA-0194; EPID L-2018-LLE-0010) ML19155A1842019-05-30030 May 2019 NRR E-mail Capture - Palo Verde Nuclear Generating Station, Unit 3 - Mvib Official RAIs for RR-63, Impractical Examinations for the Third 10-Year ISI Interval ML19095A6552019-04-0404 April 2019 NRR E-mail Capture - Palo Verde Nuclear Generating Station, Unit 3 - Mphb Official RAIs for RR-63, Impractical Examinations for the Third 10-Year ISI Interval ML19044A7342019-02-13013 February 2019 NRR E-mail Capture - Palo Verde1, 2, and 3 - Official Requests for Additional Information for RR 62, Third and Fourth 10-Year ISI Intervals, Proposed Alternative - Pressurizer Heat Sleeve Repairs ML19008A3612019-01-0808 January 2019 NRR E-mail Capture - Palo Verde 1, 2, and 3 - Official RAIs for LAR Associated with Response Time Testing of Pressure Transmitters ML18341A0252018-12-0303 December 2018 Notification of NRC Design Bases Assurance Inspection (Teams)(05000528/2019011, 05000529/2019011, and 05000530/2019011) and Initial Request for Information ML18271A0392018-10-0202 October 2018 Non Proprietary - Supplemental Information Needed for Acceptance of Requested License Amendments and Exemptions Implementation of Framatome High Thermal Performance Fuel (Epids L-2018-LLA-0194 and L-2018-LLE-0010) ML18221A5102018-08-23023 August 2018 Request for Additional Information License Amendment Request to Adopt Risk-Informed Completion Times (CAC Nos. MF6576, MF6577, and MF6578; EPID: L-2015-LLA-0001) ML18229A3132018-08-17017 August 2018 NRR E-mail Capture - Request for Additional Information Relief Request 58: Impractical Examinations for the Third 10-Year Inservice Inspection Interval Arizona Public Service Company Palo Verde Nuclear Generation Station, Unit 2 - Second Se ML18227A8672018-08-15015 August 2018 NRR E-mail Capture - Request for Additional Information Relief Request 58: Impractical Examinations for the Third 10-Year Inservice Inspection Interval Arizona Public Service Company Palo Verde Nuclear Generation Station, Unit 2 ML18124A0112018-05-0303 May 2018 NRR E-mail Capture - Palo Verde 1, 2, and 3 - Official Eeob RAIs for TSTF-505 (4b) LAR (CAC Nos. MF6576, MF6577, and MF6578; EPID L-2015-LLA-0001) ML18099A0072018-04-0606 April 2018 NRR E-mail Capture - Palo Verde 1, 2, and 3 - Official RAIs for 10 CFR 50.69 LAR (CAC Nos. MF9971, MF9972, and MF9973; EPID L-2017-LLA-0276) ML18094B1122018-04-0404 April 2018 NRR E-mail Capture - Palo Verde 1, 2, and 3 - Final RAIs for TSTF-505 (Initiative 4b) LAR (CAC Nos. MF6576, MF6577, and MF6578: EPID L-2015-LLA-0001) ML18066A7032018-03-0707 March 2018 Notification of Nrc Design Bases Assurance Inspection (Programs) 05000528/2018011, 05000529/2018011, and 05000530/2018011 Initial Request for Information ML17248A0162017-08-31031 August 2017 NRR E-mail Capture - Palo Verde 1, 2, and 3 - Final RAI for RRs PRR-03, PRR-04 and PRR-05, Pump Testing ML17107A0052017-04-14014 April 2017 NRR E-mail Capture - Palo Verde 1, 2, and 3 - Ngf LAR and Exemption RAIs (CAC Nos. MF8076 to MF8081) ML17082A4462017-03-28028 March 2017 PVNGS Units 1, 2, and 3 Transition to CE 16x16 Ngf - Draft RAIs Rev 3 ML17003A0182017-01-0202 January 2017 NRR E-mail Capture - Palo Verde, Unit 3 - Draft RAIs for the Second Emergency LAR Associated with EDG 3B Failure 2024-05-20
[Table view] |
Text
June 2, 2010 LICENSEE: Arizona Public Service Company FACILITY: Palo Verde Nuclear Generating Station, Units 1, 2, and 3
SUBJECT:
SUMMARY
OF TELEPHONE CONFERENCE CALL HELD ON APRIL 13, 2010, BETWEEN THE U.S. NUCLEAR REGULATORY COMMISSION AND ARIZONA PUBLIC SERVICE COMPANY, CONCERNING DRAFT REQUEST FOR ADDITIONAL INFORMATION PERTAINING TO THE PALO VERDE NUCLEAR GENERATING STATION, UNITS 1, 2, AND 3, LICENSE RENEWAL APPLICATION The U.S. Nuclear Regulatory Commission (the staff) and representatives of Arizona Public Service Company (the applicant) held a telephone conference call on April 13, 2010, to discuss and clarify the staffs draft request for additional information (RAI) concerning the Palo Verde Nuclear Generating Station, Units 1, 2, and 3, license renewal application. The telephone conference call was useful in clarifying the intent of the staffs draft RAI. provides a listing of the participants and Enclosure 2 contains a listing of the draft RAI discussed with the applicant, including a brief description on the status of the items.
The applicant had an opportunity to comment on this summary.
/RA/
Lisa M. Regner, Sr. Project Manager Projects Branch 2 Division of License Renewal Office of Nuclear Reactor Regulation Docket Nos. 50-528, 50-529, and 50-530
Enclosures:
As stated cc w/encls: See next page
ML101330252 OFFICE LA:RPOB:DLR PM:RPB2:DLR BC:RPB2:DLR PM:RPB2:DLR NAME IKing LRegner DWrona LRegner 05/14/10 05/24/10 05/26/10 06/02/10 DATE
Memorandum to Arizona Public Service Company from Lisa M. Regner dated June 02, 2010
SUBJECT:
SUMMARY
OF TELEPHONE CONFERENCE CALL HELD ON APRIL 13, 2010, BETWEEN THE U.S. NUCLEAR REGULATORY COMMISSION AND ARIZONA PUBLIC SERVICE COMPANY, CONCERNING DRAFT REQUESTS FOR ADDITIONAL INFORMATION PERTAINING TO THE PALO VERDE NUCLEAR GENERATING STATION, UNITS 1, 2, AND 3, LICENSE RENEWAL APPLICATION DISTRIBUTION:
HARD COPY:
DLR RF E-MAIL:
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L. Regner D. Drucker R. Hall B. Mizuno, OGC R. Treadway, RIV G. Pick, RIV
TELEPHONE CONFERENCE CALL PALO VERDE NUCLEAR GENERATING STATION, UNITS 1, 2, AND 3 LICENSE RENEWAL APPLICATION LIST OF PARTICIPANTS APRIL 13, 2010 PARTICIPANTS AFFILIATIONS Lisa Regner U.S. Nuclear Regulatory Commission (NRC)
Robert Sun NRC Angela Krainik Arizona Public Service Company (APS)
Glenn Michael APS Eric Blocher Strategic Teaming and Resource Sharing (STARS) Alliance ENCLOSURE 1
DRAFT REQUESTS FOR ADDITIONAL INFORMATION PALO VERDE NUCLEAR GENERATING STATION, UNITS 1, 2, AND 3 LICENSE RENEWAL APPLICATION APRIL 13, 2010 The U.S. Nuclear Regulatory Commission (the staff) and representatives of Arizona Public Service Company (the applicant) held a telephone conference call on April 13, 2010, to discuss and clarify the following draft request for additional information (RAI) concerning the Palo Verde Nuclear Generating Station, Units 1, 2, and 3, license renewal application (LRA).
DRAFT RAI 3.3.2-2 In LRA Table 3.3.2-20 (Diesel Generator Fuel Oil and Storage System) there is an AMR result line crediting the Bolting Integrity Program for managing loss of preload for closure bolting in an environment of fuel oil.
In LRA Table 3.3.2-7 (Essential Spray Pond System) there is an AMR result line crediting the Bolting Integrity Program for managing loss of preload for closure bolting in an environment of raw water.
In LRA Table 3.3.2-2 (Spent Fuel Pool Cooling and Cleanup System) there is an AMR result line crediting the Bolting Integrity Program for managing loss of preload for closure bolting in an environment of treated borated water.
One acceptable method of inspecting closure bolting for loss of preload is to inspect the piping joint that the bolting holds together. If leakage or seepage is observed, then it is presumed that reduction of preload has occurred and the bolts should be tightened to avoid unacceptable leakage. When the closure bolting is in a normally dry environment (e.g., air, atmosphere/weather), it is plausible that leakage would be observed before failure of the bolted joint. However, in a wet environment (e.g., raw water, fuel oil, treated borated water) leakage or seepage could be readily detected by observation.
Request:
In the environments listed above, or similar wet environments, how does the Bolting Integrity Program inspect for reduction of preload?
ENCLOSURE 2
Discussion: Based on the discussion with the applicant, the staff will revise the question as follows. The revised question will be sent as a formal RAI.
Background
In the LRA, Tables 3.3.2.2 Spent Fuel Pool Cooling and Cleanup System, 3.3.2.7 Essential Spray Pond System, and 3.3.2.20 Diesel Fuel Oil Storage and Transfer System, there are aging management review (AMR) result lines for stainless steel or carbon steel closure bolting in environments of treated borated water, raw water, and fuel oil, respectively. The AMR results credit the Bolting Integrity Aging Management Program (AMP) with managing the aging effect-loss of preload for bolts in these wet environments.
Issue The LRA does not provide sufficient information for the staff to understand how the Bolting Integrity AMP can effectively manage loss of preload for bolts in wet environments where simple visual techniques during normal system walk downs could detect signs of closure bolting loosening, such as indications of leakage around a flange or gasket which would otherwise be noticed in a dry environment.
Request a) Explain what features or activities of the Bolting Integrity AMP will manage the aging effect of loss of preload for closure bolting that is in a wet environment and why the credited features or activities are adequate to ensure that loss of the subject bolts intended function(s) does not occur during the period of extended operation.
b) Clarify whether there are any indirect indicators that might be indicative of loss of bolting preload for closure bolting in each of these wet environments and their associated systems.
Palo Verde Nuclear Generating Station, Units 1, 2, and 3 cc:
Mr. Steve Olea Mr. John C. Taylor, Director, Nuclear Arizona Corporation Commission Generation 1200 W. Washington Street El Paso Electric Company Phoenix, AZ 85007 340 E. Palm Lane, Suite 310 Phoenix, AZ 85004 Mr. Douglas Kent Porter, Senior Counsel Southern California Edison Company Mr. James Ray Law Department, Generation Resources Public Service Company of New Mexico P.O. Box 800 2401 Aztec NE, MS Z110 Rosemead, CA 91770 Albuquerque, NM 87107-4224 Senior Resident Inspector Mr. Geoffrey M. Cook U.S. Nuclear Regulatory Commission Southern California Edison Company P.O. Box 40 5000 Pacific Coast Highway, Bldg. D21 Buckeye, AZ 85326 San Clemente, CA 92672 Regional Administrator, Region IV Mr. Robert Henry U.S. Nuclear Regulatory Commission Salt River Project 612 E. Lamar Blvd., Suite 400 6504 E. Thomas Road Arlington, TX 76011-4125 Scottsdale, AZ 85251 Chairman Mr. Jeffrey T. Weikert Maricopa County Board of Supervisors Assistant General Counsel 301 W. Jefferson, 10th Floor El Paso Electric Company Phoenix, AZ 85003 Mail Location 167 123 W. Mills Mr. Aubrey V. Godwin, Director El Paso, TX 79901 Arizona Radiation Regulatory Agency 4814 S. 40th Street Mr. Eric Tharp Phoenix, AZ 85040 Los Angeles Department of Water & Power Southern California Public Power Authority Mr. Scott Bauer, Director P.O. Box 51111, Room 1255-C Regulatory Affairs Los Angeles, CA 90051-0100 Palo Verde Nuclear Generating Station Mail Station 7636 Mr. Brian Almon P.O. Box 52034 Public Utility Commission Phoenix, AZ 85072-2034 William B. Travis Building P.O. Box 13326 Mr. Dwight C. Mims, Vice President 1701 N. Congress Avenue Regulatory Affairs and Plant Improvement Austin, TX 78701-3326 Palo Verde Nuclear Generating Station Mail Station 7605 P.O. Box 52034 Phoenix, AZ 85072-2034
Palo Verde Nuclear Generating Station, Units 1, 2, and 3 cc:
Mr. Randall K. Edington Executive Vice President Nuclear/CNO Arizona Public Service Company P.O. Box 52034, Mail Station 7602 Phoenix, AZ 85072-2034