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Category:Inservice/Preservice Inspection and Test Report
MONTHYEARL-MT-24-001, 10 CFR 50.55a Request RR-017 - Inservice Inspection (ISI) Impracticality in Accordance with 10 CFR 50.55a(g)(5)(iii) During the Fifth Ten-Year Interval2024-01-30030 January 2024 10 CFR 50.55a Request RR-017 - Inservice Inspection (ISI) Impracticality in Accordance with 10 CFR 50.55a(g)(5)(iii) During the Fifth Ten-Year Interval L-MT-23-028, 2023 Refueling Outage 90-Day Inservice Inspection (ISI) Summary Report2023-07-31031 July 2023 2023 Refueling Outage 90-Day Inservice Inspection (ISI) Summary Report L-MT-23-024, 10 CFR 50.55a Request Associated with the Monticello Sixth Inservice Inspection (ISI) Interval, RR-002 (L-MT-23-024)2023-07-11011 July 2023 10 CFR 50.55a Request Associated with the Monticello Sixth Inservice Inspection (ISI) Interval, RR-002 (L-MT-23-024) L-MT-22-030, Sixth Interval Inservice Testing (1ST) Plan2022-09-0606 September 2022 Sixth Interval Inservice Testing (1ST) Plan ML22067A0842022-03-0707 March 2022 10 CFR 50.55a Request Associated with the Monticello Sixth Inservice Testing Ten-Year Interval OMN-28 (LMT-22-007) L-MT-22-006, 10 CFR 50.55a Request Associated with the Monticello Sixth Inservice Testing Ten-Year Interval OMN-26 (L-MT-22-006)2022-02-18018 February 2022 10 CFR 50.55a Request Associated with the Monticello Sixth Inservice Testing Ten-Year Interval OMN-26 (L-MT-22-006) L-MT-21-051, 10 CFR 50.55a Request Associated with the Monticello Sixth Inservice Testing Ten-Year Interval OMN-22 (L-MT-21-051)2021-12-23023 December 2021 10 CFR 50.55a Request Associated with the Monticello Sixth Inservice Testing Ten-Year Interval OMN-22 (L-MT-21-051) ML21305A0672021-11-0101 November 2021 Clone of 10 CFR 50.55a Request Associated with the Monticello Sixth Inservice Testing (IST) Ten-Year Interval PR-02 (L-MT-21-054) ML21278A1852021-10-0505 October 2021 10 CFR 50.55a Request Associated with the Monticello Sixth Inservice Testing Ten-Year Interval VR-02 (LMT-21-049) L-MT-21-041, 10 CFR 50.55a Request Associated with the Monticello Sixth Inservice Testing Ten-Year Interval VR-05 (L-MT-21-041)2021-08-31031 August 2021 10 CFR 50.55a Request Associated with the Monticello Sixth Inservice Testing Ten-Year Interval VR-05 (L-MT-21-041) L-MT-21-038, 2021 Refueling Outage 90-Day Inservice Inspection (ISI) Summary Report2021-08-17017 August 2021 2021 Refueling Outage 90-Day Inservice Inspection (ISI) Summary Report L-MT-20-004, 10 CFR 50.55a Request: Request RR-016 Associated with the Fifth Ten-Year Inservice Inspection (ISI) Interval2020-02-14014 February 2020 10 CFR 50.55a Request: Request RR-016 Associated with the Fifth Ten-Year Inservice Inspection (ISI) Interval L-MT-20-001, 10 CFR 50.55a(z)(1) Request Vr 05: Request for Approval of an Alternative for Pressure Isolation Valve Testing2020-01-16016 January 2020 10 CFR 50.55a(z)(1) Request Vr 05: Request for Approval of an Alternative for Pressure Isolation Valve Testing L-MT-19-028, 2019 Refueling Outage 90-Day Lnservice Inspection (ISI) Summary Report; Second Steam Dryer Inspection Summary2019-08-0909 August 2019 2019 Refueling Outage 90-Day Lnservice Inspection (ISI) Summary Report; Second Steam Dryer Inspection Summary L-MT-17-059, 2017 Refueling Outage 90-Day Lnservice Inspection (ISI) Summary Report2017-08-0909 August 2017 2017 Refueling Outage 90-Day Lnservice Inspection (ISI) Summary Report L-MT-15-064, Cycle 27 Inservice Inspection Summary Report2015-08-26026 August 2015 Cycle 27 Inservice Inspection Summary Report ML14212A0712014-07-30030 July 2014 10 CFR 50.55a Request No. Vr 05: Proposed Alternative to Lnservice Testing Requirements Pursuant to 10 CFR 50.55a(a)(3)(ii) L-MT-14-037, CFR 50.55a Request No. 009: Relief from Impractical Examination Coverage Requirements Pursuant to 10 CFR 50.55a(g)(5)(iii) for the Fifth Ten-Year Lnservice Inspection Interval2014-06-0606 June 2014 CFR 50.55a Request No. 009: Relief from Impractical Examination Coverage Requirements Pursuant to 10 CFR 50.55a(g)(5)(iii) for the Fifth Ten-Year Lnservice Inspection Interval L-MT-14-021, Proposed Alternative in Accordance with 10 CFR 50.55a Request RR-008 Associated with the Fifth Ten-Year Inservice Inspection (ISI) Interval2014-02-28028 February 2014 Proposed Alternative in Accordance with 10 CFR 50.55a Request RR-008 Associated with the Fifth Ten-Year Inservice Inspection (ISI) Interval ML13308B2192013-10-11011 October 2013 Enclosure 3 - MNGP Evaluation EC-22537 - 2013 H8-H9 Shroud Support Structure Indications Update ML13308B2182013-10-0808 October 2013 Enclosure 2- BWRVIP Inspection Summary Report ML13308B2172013-10-0808 October 2013 Enclosure 1 - Cycle No. 26 and 1R26 2013 Refueling Outage Inservice Inspection: Interval 4, Period 3 and Interval 5, Period 1, Owner'S Activity Report (OAR-1) L-MT-13-060, Response to Request for Additional Information Regarding Fifth 10-Year Inservice Inspection Program Plan Review2013-07-17017 July 2013 Response to Request for Additional Information Regarding Fifth 10-Year Inservice Inspection Program Plan Review L-MT-12-094, In-service Testing (IST) Program Plan for Safety Related Seismic Restraints (Snubbers) for the Fifth 10-Year Interval2012-11-30030 November 2012 In-service Testing (IST) Program Plan for Safety Related Seismic Restraints (Snubbers) for the Fifth 10-Year Interval L-MT-12-019, CFR 50.55a Requests Associated with the Fifth Ten-Year Inservice Testing Interval2012-02-28028 February 2012 CFR 50.55a Requests Associated with the Fifth Ten-Year Inservice Testing Interval L-MT-12-020, Fifth Ten-Year Lnservice Testing Plan2012-02-28028 February 2012 Fifth Ten-Year Lnservice Testing Plan L-MT-12-018, Fifth Ten-Year Lnservice Inspection Plan2012-02-28028 February 2012 Fifth Ten-Year Lnservice Inspection Plan L-MT-12-017, CFR 50.55a Requests Associated with the Fifth Ten-Year Inservice Inspection Interval2012-02-28028 February 2012 CFR 50.55a Requests Associated with the Fifth Ten-Year Inservice Inspection Interval L-MT-12-011, Supplement to 10CFR50.55a Requests Associated with the Fourth and Fifth Lnservice Lnspection Ten-Year Intervals2012-02-15015 February 2012 Supplement to 10CFR50.55a Requests Associated with the Fourth and Fifth Lnservice Lnspection Ten-Year Intervals L-MT-11-046, Cycle 25 Inservice Inspection Summary Report2011-08-23023 August 2011 Cycle 25 Inservice Inspection Summary Report L-MT-09-078, Submittal of Cycle No. 24 Inservice Inspection Summary Report for Inservice Inspection and ASME Section Xl Repairs and Replacements2009-08-0707 August 2009 Submittal of Cycle No. 24 Inservice Inspection Summary Report for Inservice Inspection and ASME Section Xl Repairs and Replacements L-MT-07-058, Cycle No. 23 Lnservice Inspection Summary Report for Lnservice Inspection and ASME Section XI Repairs and Replacements2007-07-27027 July 2007 Cycle No. 23 Lnservice Inspection Summary Report for Lnservice Inspection and ASME Section XI Repairs and Replacements L-MT-05-088, 10 CFR 50.55a Request No. 13: Relief from Impractical Examination Coverage Requirements Pursuant to 10 CFR 50.55a(g)(5)(iii) for the Fourth Ten-Year Inservice Inspection Interval2005-09-27027 September 2005 10 CFR 50.55a Request No. 13: Relief from Impractical Examination Coverage Requirements Pursuant to 10 CFR 50.55a(g)(5)(iii) for the Fourth Ten-Year Inservice Inspection Interval L-MT-05-078, Summary Report for Inservice Inspections and ASME Section XI Repairs and Replacements2005-07-12012 July 2005 Summary Report for Inservice Inspections and ASME Section XI Repairs and Replacements L-MT-05-039, Fourth Interval Inservice Inspection Examination Plan. Revision 32005-04-26026 April 2005 Fourth Interval Inservice Inspection Examination Plan. Revision 3 L-MT-04-050, Fourth Interval Inservice Inspection Examination Plan, Revision 22004-09-16016 September 2004 Fourth Interval Inservice Inspection Examination Plan, Revision 2 L-MT-03-056, Summary Report for Inservice Inspections and ASME Section XI Repairs and Replacements2003-08-25025 August 2003 Summary Report for Inservice Inspections and ASME Section XI Repairs and Replacements L-MT-03-023, Response to Request for Additional Information Regarding Fourth 10-Year Interval Inservice Testing Program Relief Request Number No.VR-012003-04-29029 April 2003 Response to Request for Additional Information Regarding Fourth 10-Year Interval Inservice Testing Program Relief Request Number No.VR-01 ML0235205912002-12-0606 December 2002 to Engineering Work Instruction EWI-09.04.01, Inservice Testing Program. ML0233701072002-11-22022 November 2002 Part 1 of 2, Monticello, Request for Review and Approval of Relief Request Associated with Fourth 10-Year Interval Inservice Testing Program Plan Submittal ML0233806832002-11-22022 November 2002 Part 2 of 2, Monticello, Request for Review and Approval of Relief Request Associated with Fourth 10-Year Interval Inservice Testing Program Plan Submittal ML0217102272002-06-0606 June 2002 Inservice Testing Program for Engineering Work Instruction, Revision 8 ML0211905312002-04-0101 April 2002 Revision 7 to EWI-09.04.01, Inservice Testing Program. ML0208603482002-03-12012 March 2002 Part 1 of 4, Monticello Nuclear Generating Plant, Summary Report for Inservice Inspections & ASME Section XI Repairs & Replacements ML0208605512002-03-12012 March 2002 Part 2 of 4, Monticello Nuclear Generating Plant, Summary Report for Inservice Inspections & ASME Section XI Repairs & Replacements, Owner'S Report for Repairs or Replacements - Form NIS-2, Revision 4 to 3613 ML0208606762002-03-12012 March 2002 Part 3 of 4, Monticello Nuclear Generating Plant, Summary Report for Inservice Inspections & ASME Section XI Repairs & Replacements, Owner'S Report for Repairs or Replacements - Form NIS-2, Revision 4 to 3613 ML0208606932002-03-12012 March 2002 Part 4 of 4, Monticello Nuclear Generating Plant, Summary Report for Inservice Inspections & ASME Section XI Repairs & Replacements, Owner'S Report for Repairs or Replacements - Form NIS-2, Revision 4 to 3613 ML0203203662002-01-11011 January 2002 Inservice Inspection Plan Submittal of Relief Request Number 14 for the Third Ten Year Interval 2024-01-30
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ENCLOSURE I INSERVICE INSPECTION
SUMMARY
REPORT MONTICELLO NUCLEAR GENERATING PLANT CYCLE NO. 26 AND 1R26 2013 REFUELING OUTAGE Inservice Inspection:
Interval 4, Period 3 and Interval 5, Period 1 Owner's Activity Report (OAR-I)(6 pages follow)
Xce Energy-Xcel Energy, Inc.Northern States Power Co. -Minnesota 414 Nicollet Mall Minneapolis, MN 55401 INSERVICE INSPECTION
SUMMARY
REPORT Monticello Nuclear Generating Plant Unit 1 2807 West County Road 75 Monticello, MN 55362 Commercial Service Date: June 30, 1971 Cycle No. 26 Refueling Outage Outage Dates: March 2, 2013 to July 19, 2013 Period 3 (ending August 31, 2012)Period 1 (beginning September 1, 2012)Report Date: October 8, 2013 Monticello Nuclear Generating Plant Inservice Inspection Cycle 26 Summary Report 2013 Refueling Outage TABLE OF CONTENTS SECTIONS 1. Summary 2. Form OAR-i, Owner's Activity Report for Cycle 26 3. Table 1, Items with Flaws or Relevant Conditions That Required Evaluation for Continued Service 4. Table 2, Abstract of Repair/Replacement Activities Required for Continued Service PAGES 1 1 1 Monticello Nuclear Generating Plant Inservice Inspection Cycle 26 Summary Report 2013 Refueling Outage SECTION 1.
SUMMARY
Page 1 of 1 In accordance with the ASME Section XI Code and requirements of authorized alternative Code Case N-532-51, this report provides the following: " Form OAR- , Owner's Activity Report" Table 1, Items with Flaws or Relevant Conditions That Required Evaluation for Continued Service" Table 2, Abstract of Repair/Replacement Activities Required for Continued Service This information is applicable to Inservice Inspection (ISI) activities performed during operating Cycle 26 at Monticello Nuclear Generating Plant (MNGP) Unit 1, including the 26th refueling outage. Cycle 26 began May 25, 2011, immediately following completion of the 25th refueling outage.Examinations and tests for Cycle 26 were scheduled and conducted in accordance with the 4th Interval ISI Plan through August 31, 2012 and were applicable to the 3rd Period of the 4th ISI Interval.
Beginning on September 1, 2012 Cycle 26 examinations and tests were scheduled and conducted in accordance with the 5th Interval ISI Plan and were applicable to the 1 st Period of the 5th ISI Interval.1NRC Letter to NSPM, "Monticello Nuclear Generating Plan -Relief from the Requirements of the American Society of Mechanical Engineers Code for the Fifth 10-Year Inservice Inspection Program Interval (TAC Nos. ME8068, ME8070 and ME807 1), dated February 26, 2013, ADAMS Accession No.ML13035A158.
Monticello Nuclear Generating Plant Inservice Inspection Cycle 26 Summary Report 2013 Refueling Outage SECTION 2.FORM OAR-I Page 1 of 1 FORM OAR-I OWNER'S ACTIVITY REPORT Report Number MNGP 1 R26 OAR-1 Plant Monticello Nuclear Generating Plant, 2807 West County Road 75, Monticello, Minnesota 55362 Unit No.(if applicable)
Commercial service date June 30, 1971 Refueling outage no. 1R26 Current inspection interval 4 th Inspection Interval ending 8/31/2012m 5 h Inspection Interval beginning 9/1/2012 (1st, 2nd. 3rd. 4th, other)Current inspection period 3 rd Inspection Period. 4 th Interval:
1 s Inspection Period, 5th Interval (1st, 2nd, 3rd)Edition and addenda of Section XI applicable to the inspection plans 1995 Ed. 1996 Add (4th Int): 2007 Ed. 2008 Add (5th Int.)Date and revision of inspection plans 4 th Interval, Rev.4, 6/5/2010:
5 th Interval, Rev.0, 9/1/2012 Edition and Addenda of Section XI applicable to repair/replacement activities, if different than the inspection plans 4 th Interval, 2001 Edition, No Addenda: 5th Interval, same as inspection plan Code Cases used for inspection and evaluation:
N-491-2 (4th Int). N-498-4 (4th Int), N-513-3. N-546 (4t" Int), N-613-1, (if applicable, including cases modified by Case N-532 and later revisions)
N-686 (4th Int), N-702 CERTIFICATE OF CONFORMANCE I certify that (a) the statements made in this report are correct; (b) the examinations and tests meet the Inspection Plan as required by the ASME Code,Section XI; and (c) the repair/replacement activities and evaluations supporting the completion of VI,2P , (refueling outage number)conform to the requirements of Section Xl.Signed: 0/4/2-01-a ISI Program Owner Date Owner or Owner's Designee, Title CERTIFICATE OF INSERVICE INSPECTION I, the undersigned, holding a valid commission issued by the National Board of Boiler and Pressure Vessel Inspectors and employed by HSBCT of Hartford, Connecticut have inspected the items described in this Owner's Activity Report, and state that, to the best of my knowledge and belief, the Owner has performed all activities represented by this report the in accordance with the requirements of Section XI.By signing this certificate neither the Inspector nor his employer makes any warranty, expressed or implied, concerning the repair/replacement activities and evaluation described in the report. Furthermore, neither the Inspector nor his employer shall be liable in any manner for any personal injury or property damage or loss of any kind arising from or connected with this inspection.
~2-4(&, ( Commission NB11863 ANI, MN 004028-CO Inspector's Signature (National Board Number and Endorsements)
Date LtC-/W//?
Monticello Nuclear Generating Plant Inservice Inspection Cycle 26 Summary Report 2013 Refueling Outage SECTION 3.TABLE 1 Page 1 of 1 TABLE 1 ITEMS WITH FLAWS OR RELEVANT CONDITIONS THAT REQUIRED EVALUATION FOR CONTINUED SERVICE Examination Category and Item Number Item Description Evaluation Description Comp. ID: C-3C, C-31D Linear indications in shroud shelf H-9 weld B-N-2/B 13.30 Shroud Shelf Analytical evaluation performed in conjunction with B-N-2/B13.40 CAP AR# 01375496, and EC-21839 H-9 Weld Determined to be acceptable.
Comp. ID: C-3E, C-31F Linear indications in shroud shelf H-8 weld.B-N-2/B 13.40 Shroud Shelf Analytical evaluation performed in conjunction with CAP AR# 01375496, and EC-21839 H-8 Weld Determined to be acceptable.
Linear indications in shroud support leg H-10 weld.Comp. ID: C-7A through C-7Q Analytical evaluation performed in conjunction with B-N-2/1313.40 Shroud Support Legs CAP AR# 01177677, 01282530, 01283709, 01283715, and 01377599 and EC-21854.H-10 Weld Determined to be acceptable.
Loose upper retaining nut.ISO#-. ISI-13142-40-B Engineering evaluation performed in conjunction with F-A/F1.20b Comp. ID: H- 8, TWH-48 CAP AR# 01373467.Strut I Clamp Determined to be acceptable.
Subsequently tightened under Work Order 475275 CAP AR# -acronyms for "Corrective Action Program -Action Request Number" EC -acronym for "Engineering Change", used to document and accept vendor analytical evaluation(s)
Monticello Nuclear Generating Plant Inservice Inspection SECTION 4.Cycle 26 Summary Report 2013 Refueling Outage TABLE2 Page 1 of 1 TABLE 2 ABSTRACT OF REPAIR/REPLACEMENT ACTIVITIES REQUIRED FOR CONTINUED SERVICE Item Description Date RepairlReplacement Code Class Description of Work Completed Plan Number 3 Division 1 Residual Heat Replaced due to 9/2/2011 2011-26-002 Removal (RHR) Room through-wall tubing Cooling Coil V-AC-5 leakage. Interim acceptance and continued operation per Code Case N-513-3 until replacement.
3 Division 2 RHR Room Replaced due to 1/6/2012 2011-26-008 Cooling Coil V-AC-4 through-wall tubing leakage. Interim acceptance and continued operation per Code Case N-513-3 until replacement.
2 Fuel Pool Cooling Support Legacy installation 7/18/2012 2011-26-012 FPWH-1 11 damage corrected by replacement of support items 3 RHR Service Water Stuffing Box replaced 5/3/2012 2012-26-028 (RHRSW) Pump P-109A due to through-wall Stuffing Box corrosion defect 3 Spare RHRSW Pump Weld repair of eroded 9/27/2012 2012-26-039 P-109 areas and associated linear indications 3 High Pressure Coolant Replaced due to 12/1/2012 2012-26-041 Injection (HPCI) Room through-wall tubing Cooling Coil V-AC-8 leakage. Interim acceptance and continued operation per Code Case N-513-3 until replacement.
- 3. RHRSW Valve CV-1728 Replaced valve body 4/23/2013 2013-26-053 and disc due to internal cavitation erosion 3. Division 1 Emergency Replacement of 4/20/2013 2013-26-065 Service Water Piping piping degraded by Microbiologically Induced Corrosion (MIC)Main Steam Isolation Valve Replacement of 7/19/2013 2013-26-074 AO-2-80C bonnet due to steam cutting damage caused by packing leakage.