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| | number = ML082900027 | | | number = ML082900027 |
| | issue date = 10/09/2008 | | | issue date = 10/09/2008 |
| | title = Callaway Plant Unit 1, Follow-up Information Regarding 10CFR50.55a Request: Proposed Alternative to ASME Section Xi Requirements for Replacement of Class 3 Buried Piping (TAC No. MD67920) | | | title = Follow-up Information Regarding 10CFR50.55a Request: Proposed Alternative to ASME Section Xi Requirements for Replacement of Class 3 Buried Piping (TAC No. MD67920) |
| | author name = Graessle L H | | | author name = Graessle L H |
| | author affiliation = AmerenUE, Union Electric Co | | | author affiliation = AmerenUE, Union Electric Co |
Revision as of 10:05, 19 March 2019
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TAC:MD6792, Addition of New Tech Spec on RCS Boron Limits and Revisions to Tech Spec 3.3.1 to Address Rwfs (Open) |
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MONTHYEARML0703900572007-02-21021 February 2007 BVPS Doc Table M Project stage: Other ML0725504882007-08-30030 August 2007 10 CFR 50.55a Request: Proposed Alternative to ASME Section Xi Requirements for Replacement of Class 3 Buried Piping Project stage: Request ULNRC-05445, One-Time Completion Time Extension for Essential Service Water (ESW) System2007-10-31031 October 2007 One-Time Completion Time Extension for Essential Service Water (ESW) System Project stage: Request ML0800400232008-01-0808 January 2008 Forthcoming Meeting with Union Electric Company on the Callaway Plant Relief and Amendment Requests Dated August 3 and October 31, 2007. (Tac No. MD6792 and MD7252) Project stage: Meeting ML0802504052008-01-23023 January 2008 Licensee Handout for Meeting with Union Electric Company on the Callaway Plant Relief Request I3R-10 to Use Plastic Pipe in the Safety-Related Essential Service Water (ESW) System Project stage: Meeting ML0803802882008-02-0707 February 2008 Preliminary Request for Additional Information Project stage: RAI ML0803806472008-02-29029 February 2008 Summary of Meeting with Union Electric Company Callaway Plant, Unit 1, 8/30/2007 Relief Request and 10/31/2007 License Amendment Request Applications Related to Replacement of Essential Service Water Piping (Tac No. MD6792 and MD7252) Project stage: Meeting ULNRC-05434, CFR50.55a Request: Proposed Alternative to ASME Section X1 Requirements for Replacement of Class 3 Buried Piping2008-04-17017 April 2008 CFR50.55a Request: Proposed Alternative to ASME Section X1 Requirements for Replacement of Class 3 Buried Piping Project stage: Request ML0815800112008-06-10010 June 2008 Request for Additional Information, Relief Request No. 13R-10 and License Amendment Request to Revise TS 3.7.8, Essential Service Water System, and TS 3.8.1, AC Sources - Operating, for One-time CT Extension Underground Piping Project stage: RAI ML0817506442008-06-24024 June 2008 Forthcoming Meeting with Union Electric Company on the Callaway Plant to Discuss the Licensee'S Responses to NRC Request for Additional Information Relief and License Amendment Requests Project stage: RAI ULNRC-05517, CFR50.55a Request: Proposed Alternative to ASME Section XI Requirements for Replacement of Class 3 Buried Piping2008-07-10010 July 2008 CFR50.55a Request: Proposed Alternative to ASME Section XI Requirements for Replacement of Class 3 Buried Piping Project stage: Request ULNRC-05529, CFR50.55a Request: Proposed Alternative to ASME Section XI Requirements for Replacement of Class 3 Buried Piping2008-07-24024 July 2008 CFR50.55a Request: Proposed Alternative to ASME Section XI Requirements for Replacement of Class 3 Buried Piping Project stage: Request ML0826307992008-09-0505 September 2008 Calculation 2007-13241, Rev. 1, Minimum Wall Thickness for ESW Buried Hdpe Piping. Project stage: Other ML0826308002008-09-12012 September 2008 Calculation 2007-16760, Rev. 0, Buried Hdpe Piping Stress Analysis. Project stage: Other ULNRC-05542, Transmittal of Callaway, Unit 1, Additional Information Regarding 10CFR50.55a Request: Proposed Alternative to ASME Section XI Requirements for Replacement of Class 3 Buried Piping2008-09-15015 September 2008 Transmittal of Callaway, Unit 1, Additional Information Regarding 10CFR50.55a Request: Proposed Alternative to ASME Section XI Requirements for Replacement of Class 3 Buried Piping Project stage: Request ULNRC-05553, Follow-up Information Regarding 10CFR50.55a Request: Proposed Alternative to ASME Section XI Requirements for Replacement of Class 3 Buried Piping (TAC No. MD67920)2008-10-0909 October 2008 Follow-up Information Regarding 10CFR50.55a Request: Proposed Alternative to ASME Section XI Requirements for Replacement of Class 3 Buried Piping (TAC No. MD67920) Project stage: Request ML0826400072008-10-31031 October 2008 Relief Request I3R-10 for Use of Polyethylene Pipe in Lieu of Carbon Steel Pipe in Buried Essential Service Water Piping System Project stage: Acceptance Review ML0831002882008-11-0707 November 2008 Relief Request 13R-10 Approved on October 31, 2008, for Third 10-Year Inservice Inspection Interval for Use of Polyethylene Pipe in Lieu of Carbon Steel Pipe in Buried Essential Service Water Piping System Project stage: Acceptance Review ULNRC-05563, One-Time Completion Time Extension for Essential Service Water System2008-12-0101 December 2008 One-Time Completion Time Extension for Essential Service Water System Project stage: Other ML0834503272008-12-19019 December 2008 Summary of Meeting with Representatives of Union Electric Company, Licensee for Callaway Plant, Unit 1 Second Round of Requests for Information, Extension of Completion Time for Essential Service Water Systems (TAC Nos. MD6792 & MD7252) Project stage: Meeting ULNRC-06115, CFR 50.55a Request: Proposed Alternative to ASME Section XI Alternative Technical Requirements for Class 3 Buried Piping2014-06-10010 June 2014 CFR 50.55a Request: Proposed Alternative to ASME Section XI Alternative Technical Requirements for Class 3 Buried Piping Project stage: Request 2008-02-29
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Category:Letter
MONTHYEARIR 05000483/20253012024-08-0505 August 2024 Notification of NRC Initial Operator Licensing Examination 05000483/2025301 ML24212A2822024-08-0202 August 2024 Regulatory Audit Summary Concerning Review of Request No. C3R-01 for Proposed Alternative to ASME Code, Section XI Requirements for Containment Building Inspections IR 05000483/20240022024-07-18018 July 2024 and Independent Spent Fuel Storage Installation Integrated Inspection Report 05000483/2024002 and 07201045/2024001 ML24185A1032024-07-16016 July 2024 2024 Biennial Problem Identification and Resolution Inspection Report ULNRC-06891, Independent Spent Fuel Storage Installation, Registration of Dry Spent Fuel Storage Canister HGMPC00052024-06-26026 June 2024 Independent Spent Fuel Storage Installation, Registration of Dry Spent Fuel Storage Canister HGMPC0005 ULNRC-06892, Independent Spent Fuel Storage Installation Registration of Dry Spent Fuel Storage Canister HGMPC00062024-06-26026 June 2024 Independent Spent Fuel Storage Installation Registration of Dry Spent Fuel Storage Canister HGMPC0006 ULNRC-06884, Independent Spent Fuel Storage Installation, Registration of Dry Spent Fuel Storage Canister HGMPC00022024-06-12012 June 2024 Independent Spent Fuel Storage Installation, Registration of Dry Spent Fuel Storage Canister HGMPC0002 ULNRC-06886, Independent Spent Fuel Storage Installation, Registration of Dry Spent Fuel Storage Canister HGMPC00042024-06-12012 June 2024 Independent Spent Fuel Storage Installation, Registration of Dry Spent Fuel Storage Canister HGMPC0004 ULNRC-06885, Independent Spent Fuel Storage Installation, Registration of Dry Spent Fuel Storage Canister HGMPC00032024-06-12012 June 2024 Independent Spent Fuel Storage Installation, Registration of Dry Spent Fuel Storage Canister HGMPC0003 ML24144A0492024-06-11011 June 2024 Requests for Relief from ASME OM Code Pump and Valve Testing Requirements for Fifth 120-Month Inservice Testing Interval ML24178A1132024-06-0606 June 2024 Ameren Missouris Intent to Adopt Revision 1 to Amendment 0 of Certificate of Compliance No. 1040 as Applicable to the ISFSI at the Callaway Plant Site ML24158A5222024-06-0606 June 2024 Application to Revise Technical Specifications to Adopt Tstf-569, Rev. 2, Revise Response Time Testing Definition (LDCN 24-0008) ML24143A1632024-05-23023 May 2024 Independent Spent Fuel Storage Installation Registration of Dry Spent Storage Canister HGMPC0001 ML24137A2342024-05-16016 May 2024 Independent Spent Fuel Storage Installation - Registration of Dry Spent Fuel Storage Canister HGMPC0011 ULNRC-06882, Independent Spent Fuel Storage Installation Registration of Dry Spent Fuel Storage Canister HGMPC00122024-05-16016 May 2024 Independent Spent Fuel Storage Installation Registration of Dry Spent Fuel Storage Canister HGMPC0012 ML24122A1502024-05-0707 May 2024 Audit Plan to Support Review of Steam Generator License Renewal Response to Commitment Nos 34 and 35 IR 05000483/20244022024-05-0606 May 2024 Security Baseline Inspection Report 05000483/2024402 (Full Report) ULNRC-06877, Final Safety Analysis Report Revision OL-27 and Technical Specification Bases Revision 252024-05-0606 May 2024 Final Safety Analysis Report Revision OL-27 and Technical Specification Bases Revision 25 ULNRC-06856, CFR 50.59 and 10 CFR 72.48 Summary Report2024-05-0101 May 2024 CFR 50.59 and 10 CFR 72.48 Summary Report IR 05000483/20240112024-05-0101 May 2024 NRC Post-Approval Site Inspection for License Renewal (Phase 2) Report 05000483/2024011 ML24122A1132024-04-30030 April 2024 Submittal of Callaway, Unit 1, 2023 Annual Radioactive Effluent Release Report ULNRC-06869, Submittal of Callaway, Unit 1, 2023 Annual Radiological Environmental Operating Report2024-04-30030 April 2024 Submittal of Callaway, Unit 1, 2023 Annual Radiological Environmental Operating Report ULNRC-06876, Registration of Dry Spent Fuel Storage Canister HGMPC00102024-04-25025 April 2024 Registration of Dry Spent Fuel Storage Canister HGMPC0010 ULNRC-06866, Submittal of Cycle 26 Commitment Change Summary Report2024-04-17017 April 2024 Submittal of Cycle 26 Commitment Change Summary Report ULNRC-06871, Independent Spent Fuel Storage Installation, Registration of Dry Spent Fuel Storage Canister HGMPC00072024-04-17017 April 2024 Independent Spent Fuel Storage Installation, Registration of Dry Spent Fuel Storage Canister HGMPC0007 ULNRC-06872, Independent Spent Fuel Storage Installation, Registration of Dry Spent Fuel Storage Canister HGMPC00082024-04-17017 April 2024 Independent Spent Fuel Storage Installation, Registration of Dry Spent Fuel Storage Canister HGMPC0008 ML24108A1082024-04-17017 April 2024 Independent Spent Fuel Storage Installation Registration of Dry Spent Fuel Storage Canister HGMPC0009 IR 05000483/20240012024-04-16016 April 2024 Integrated Inspection Report 05000483/2024001 IR 05000483/20244042024-04-0909 April 2024 Cyber Security Inspection Report 05000483/2024404 05000483/LER-2024-001, Submittal of LER 2024-001-00 for Callaway Plant, Unit 1, Reactor Trip Due to Turbine Trip2024-04-0404 April 2024 Submittal of LER 2024-001-00 for Callaway Plant, Unit 1, Reactor Trip Due to Turbine Trip ML24088A3212024-04-0101 April 2024 Notification of Commercial Grade Dedication Inspection (05000483/2024013) and Request for Information ML24086A5132024-03-26026 March 2024 CFR 50.46 Annual Report Regarding ECCS Evaluation Model Revisions ULNRC-06863, Submittal of Annual Exposure Report for 20232024-03-20020 March 2024 Submittal of Annual Exposure Report for 2023 ML24079A1622024-03-19019 March 2024 Re Nuclear Property Insurance Reporting ML24066A1932024-03-0707 March 2024 2024 Callaway Plant Notification of Biennial Problem Identification and Resolution Inspection and Request for Information ULNRC-06852, Owners Activity Reports (OAR-1 Forms) for Cycle/Refuel 262024-03-0505 March 2024 Owners Activity Reports (OAR-1 Forms) for Cycle/Refuel 26 IR 05000483/20230062024-02-28028 February 2024 Annual Assessment Letter for Callaway Plant Report 05000483/2023006 ML24052A3662024-02-26026 February 2024 Regulatory Audit Plan in Support of Proposed Alternative to ASME Code, Section XI Requirements for Containment Building Inspections ULNRC-06858, Completion of License Renewal Activities Prior to Entering the Period of Extended Operation2024-02-21021 February 2024 Completion of License Renewal Activities Prior to Entering the Period of Extended Operation IR 05000483/20230022024-02-21021 February 2024 Amended Integrated Inspection Report 05000483/2023002 ML24036A1712024-02-20020 February 2024 Exemption from Select Requirements of 10 CFR Part 73 (EPID L-2023-LLE-0079 (Security Notifications, Reports, and Recordkeeping and Suspicious Activity Reporting)) ULNRC-06853, Submittal of 2023 Fitness for Duty Performance Data Per Per 10 CFR 26.7172024-01-29029 January 2024 Submittal of 2023 Fitness for Duty Performance Data Per Per 10 CFR 26.717 IR 05000483/20230042024-01-19019 January 2024 Integrated Inspection Report 05000483/2023004 ML24008A0552024-01-19019 January 2024 Acceptance of Requested Licensing Action - Proposed Alternative to the Requirements of the ASME Code (EPID L-2023-LLR- 0061) ML23353A1712024-01-18018 January 2024 Issuance of Amendment No. 237 to Clarify Support System Requirements for the Residual Heat Removal System and Control Room Air Conditioning System Under Technical Specifications 3.4.8, 3.7.11, and 3.9.6 ML23317A0012024-01-12012 January 2024 Audit Summary Regarding LAR to Clarify Support System Requirements for the Residual Heat Removal and Control Room Air Conditioning System Under Technical Specifications 3.4.8, 3.7.11, and 3.9.6 ML23347A1212024-01-11011 January 2024 Issuance of Amendment No. 236 to Adopt TSTF-501, Revision 1, Relocate Stored Fuel Oil and Lube Volume Values to Licensee Control EPID L-2023-LLA-0046) ML24011A1492024-01-11011 January 2024 Notification of Post-Approval Site Inspection for License Renewal and Request for Information (05000483/2024011) ULNRC-06847, Supplement to Relief Request from Requirements of ASME BPV Code, Section XI, Subsection Iwl Regarding Examination and Testing of the Unbonded Post-Tensioning System (Relief Request C3R-01)2023-12-21021 December 2023 Supplement to Relief Request from Requirements of ASME BPV Code, Section XI, Subsection Iwl Regarding Examination and Testing of the Unbonded Post-Tensioning System (Relief Request C3R-01) ULNRC-06849, License Renewal Resolution for Commitments 34 and 35 Perform Evaluation of Crack Initiation and Propagation in Steam Generator Divider Plate and Tube-To-Tubesheet Welds2023-12-20020 December 2023 License Renewal Resolution for Commitments 34 and 35 Perform Evaluation of Crack Initiation and Propagation in Steam Generator Divider Plate and Tube-To-Tubesheet Welds 2024-08-05
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AmerenUE P0 Box 620 Callaway Plant Fulton, MO 65251 October 9, 2008 U.S. Nuclear Regulatory Commission Attn: Document Control Desk Mail Stop P1-137 Washington, DC 20555-0001 ULNRC-05553 Ladies and Gentlemen:
DOCKET NUMBER 50-483 WAmeren CALLAWAY PLANT UNIT 1 UE UNION ELECTRIC COMPANY FACILITY OPERATING LICENSE NPF-30 FOLLOW-UP INFORMATION REGARDING 10CFR50.55a REQUEST: PROPOSED ALTERNATIVE TO ASME SECTION XI REQUIREMENTS FOR REPLACEMENT OF CLASS 3 BURIED PIPING (TAC NO. MD6792)
References:
- 1. AmerenUE letter ULNRC-05434 dated August 30, 2007 2. AmerenUE letter ULNRC-05490 dated April 17, 2008 3. AmerenUE letter ULNRC-05517 dated July 10, 2008 4. AmerenUE letter ULNRC-05529 dated July 24, 2008 5. AmerenUE letter ULNRC-05542 dated September 15, 2008 By letter dated August 30, 2007 (Reference 1 above), Union Electric Company (AmerenUE) submitted Relief Request 13R-10 regarding paragraph IWA-422 1(b) of the American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessel Code,Section XI. The relief request, which is still under review by the NRC staff, was submitted to enable planned replacement of buried steel piping in the essential service water (ESW) system at Callaway Plant with high-density polyethylene (HDPE) piping.Following AmerenUE's initial submittal, additional letters (identified as References 2 through 4 above) were submitted to provide additional or clarifying information requested by the NRC staff. The additional information provided by AmerenUE included two calculations.
One of the calculations, provided with the letter of reference 2 above, was a preliminary stress analysis for the new ESW piping configuration, i.e., Calculation 2007-16760, "Analysis of Buried HDPE Piping." The other calculation was provided via the letter of Reference 3 above, and was performed for determining the minimum design wall thickness for the HDPE piping, i.e., Calculation 2007-13241, "Minimum Wall Thickness for ESW Buried HLDPE Piping," Revision 0.a i o o o a subsidiary of Ameren Corporation ULNRC-05553 October 9, 2008 Page 2 In early September (2008), a telephone discussion was conducted with the NRC staff, wherein AmerenUE was asked to provide updated versions of the subject calculations.
Accordingly, Revision 1 of Calculation 2007-13241 and Revision 0 of Calculation 2007-16760 were provided via the letter of Reference 5 above.After receipt of the updated calculations by the NRC, another telephone discussion was conducted on September 19, 2008, in which the NRC staff identified two notable differences between the versions of the calculations provided via the letter of Reference 5 and the versions provided earlier (via the letters of References 2 and 3). Specifically, it was noted that Revision 1 of Calculation 2007-13241 (the minimum wall thickness calculation) provided results obtained by use of 0.56 design factor, along with results obtained by the expected use of a 0.5 design factor. It was confirmed during the telephone discussion that the results obtained from use of the 0.56 design factor were provided for information only, as indicated in the calculation.
The NRC emphasized that their review would be based solely on the use of 0.5 as the value for the design factor.With regard to the second difference discussed, it was noted that in Revision 0 of Calculation 2007-16760, the thermal gradient stress evaluation that had been provided in the preliminary version was not included.
AmerenUE explained that there was a misunderstanding of whether this analysis needed to be included in the calculation.
Having provided it once, AmerenUE agreed to include the thermal gradient stress eviluation in a follow-up revision of the calculation to be provided via a follow-up letter to the NRC. In accordance with that agreement, Revision 1 of Calculation 2007-16760 is hereby provided as an enclosure to this letter.In Revision 1 of Calculation 2007-16760, the thermal gradient stress evaluation is included in a second thermal load case for the HDPE piping. As discussed with the NRC subsequent to the September 19, 2008 telephone discussion, the peak normal operating ESW water temperature was assumed (in lieu of a peak post-LOCA temperature) as appropriate for this case.This letter serves to document the issues raised in the September 19, 2008 telephone conference, as well as to provide the updated calculation discussed in that telephone conference.
No additional commitments are made per this letter. For questions concerning this letter, please contact Mr. Scott Maglio at (573) 676-8719.Very truly yours, Luke H. Graessle Manager -Regulatory Affairs TBE/nls Enclosure ULNRC-05553 October 9, 2008 Page 3 cc: U.S. Nuclear Regulatory Commission (Original and 1 copy)Attn: Document Control Desk Mail Stop P1-137 Washington, DC 20555-0001 Mr. Elmo E. Collins, Jr.Regional Administrator U.S. Nuclear Regulatory Commission Region IV 612 E. Lamar Blvd., Suite 400 Arlington, TX 76011-4125 Senior Resident Inspector Callaway Resident Office U.S. Nuclear Regulatory Commission 8201 NRC Road Steedman, MO 65077 Mr. Mohan C. Thadani (2 copies)Licensing Project Manager, Callaway Plant Office of Nuclear Reactor Regulation U. S. Nuclear Regulatory Commission Mail Stop O-8G14 Washington, DC 20555-2738 ULNRC-05553 October 9, 2008 Page 4 Index and send hardcopy to QA File A160.0761 Hardeopy: Certrec Corporation 4200 South Hulen, Suite 630 Fort Worth, TX 76109 (Certrec receives ALL attachments as long as they are non-safeguards and may be publicly disclosed.)
Electronic distribution for the following can be made via Responses and Reports ULNRC Distribution (all w/o attachments):
A. C. Heflin F. M. Diya T. E. Herrmann D. W. Neterer L. H. Graessle M. A. McLachlan S. M. Maglio T. B. Elwood S. L. Abel J. L. Fortman M. D. Brandes S. L. Gallagher L. M. Belsky (NSRB)Mr. Ron Reynolds, Director (SEMA)Mr. Edward Gray, Senior REP Planner (SEMA)Mr. John Campbell, REP Planner (SEMA)Ms. Diane M. Hooper (WCNOC)Mr. Dennis Buschbaum (TXU)Mr. Scott Bauer (Palo Verde)Mr. Stan Ketelsen (PG&E)Mr. Wayne Harrison (STPNOC)Mr. John O'Neill (Pillsbury Winthrop Shaw Pittman LLP)Mr. Floyd Gilzow (DNR)