ML20336A339
| ML20336A339 | |
| Person / Time | |
|---|---|
| Site: | Prairie Island  |
| Issue date: | 12/01/2020 |
| From: | Domingos C Northern States Power Company, Minnesota, Xcel Energy |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| L-Pl-20-062 | |
| Download: ML20336A339 (4) | |
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Xcel Energy December 1, 2020 ATTN: Document Control Desk U.S. Nuclear Regulatory Commission Washington, DC 20555-0001 Prairie Island Nuclear Generating Plant, Unit 1 Docket Nos. 50-282 Renewed Facility Operating License No. DPR-42 1717 Wakonade Drive Welch, MN 55089 L-Pl-20-062 10 CFR 50.55a Refueling Outage Unit 1 R32 Owner's Activity Report for Class 1, 2, 3 and MC lnservice Inspections Northern States Power Company, a Minnesota corporation, doing business as Xcel Energy (hereafter "NSPM"), hereby submits inservice inspection summary report for inspections conducted prior to and during the Prairie Island Nuclear Generating Plant (PINGP) refueling outage U1 R32 that concluded on October 13, 2020.
The Enclosure to this letter contains Form OAR-1, "Owner's Activity Report" for inservice inspections for Class 1, 2, 3 and MC components.
Summary of Commitments This letter akes no newco-m nts and no revisions to existing commitments.
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Christopher P. D' mingos Site Vice President, Prairie Island Nuclear Generating Plant Northern States Power Company - Minnesota Enclosure cc:
Administrator, Region Ill, USNRC Project Manager, Prairie Island, USNRC Resident Inspector, Prairie Island, USNRC
FORM OAR-1 OWNER'S ACTIVITY REPORT Prairie Island Nuclear Generating Plant As required by the provisions of ASME Code Case N-532-5 Report Number 1R32 Plant _.... P.... r-=a.,_
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Refueling outage no. __ 1.,_,_R=3=2,___
Current inspection interval 5th ISi Inspection Interval for class 1. 2, and 3. 3rd IWE Inspection Interval for class MC Current inspection period 2nd ISi Inspection Period for class 1. 2. and 3.
1st IWE Inspection period for class MC Edition and Addenda of Section XI applicable to the inspection plans 2007 Edition - 2008 Addenda for class 1. 2, and 3.
2013 Edition for class MC __ _
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Edition and Addenda of Section XI applicable to repair/replacement activities. if different than the inspection plans Same as Inspection Plan for class 1.2. and 3. 2007 Edition - 2008 Addenda for class MC Code Cases used for inspection and evaluation: __ ""'"N¸-_,_5_,_13¹--=3º, N>>- 5-3-=-21/4-51/2,""'"N¸-3/4 7_,_16¹-"""1-, ¿ N--7-=2=2-1 __ _
CERTIFICATE OF CONFORMANCE I certify that (a) the statements made in this Owner's Activity 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 refueling outage number 1 R32 conform to the requirements of Section XI.
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Owner or Owner's Designee, Title ISi Engineer Date _l_l_-_'-/_-_Z.._o ___ _
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 The Hartford steam Boiler Inspection and Insurance Company of 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 in accordance with the requirements of Section XL 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 this report. Furthermore, neither the Inspector nor his employer shall be liable in any manner for any personal injury or property damage or a loss of any kind arising from or connected with this inspection.
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TABLE 1 ITEMS WITH FLAWS OR RELEVANT CONDITIONS THAT REQUIRED EVALUATION FOR CONTINUED SERVICE Examination Category and Item Number Item Description Evaluation Description B-P, B15.10 SP 1392 Bolted Connections Borated Systems Pressure Test RC-2-1, TBSP dry, white, at body to bonnet accepted by evaluation QIM 501000044639.
B-P, B15.10 SP 1392 Bolted Connections Borated Systems Pressure Test 1FE-459, trace dry, white at bolted connection accepted by evaluation QIM 501000044639.
B-P, B15.10 SP 1392 Bolted Connections Borated Systems Pressure Test CV-31255, trace dry, white, at body to bonnet accepted by evaluation QIM 501000044639.
B-P, B15.10 SP 1392 Bolted Connections Borated Systems Pressure Test 135-011, trace dry, white at bolted connection accepted by evaluation QIM 501000044639.
B-P, B15.10 SP 1392 Bolted Connections Borated Systems Pressure Test MV-32165, 1-2 tsp dry, white, at body to bonnet accepted by evaluation QIM 501000044639.
B-P, B15.10 SP 1392 Bolted Connections Borated Systems Pressure Test MV-32231, 1/4 cup dry, white/brown at packing and body to bonnet accepted by evaluation QIM 501000044639.
B-P, B15.10 SP 1392 Bolted Connections Borated Systems Pressure Test 134-011, trace dry, white at bolted connection accepted by evaluation QIM 501000044639.
C-H, C7.10 SP 1168.14 Containment Spray System Pressure Test MV-32097, trace dry boric acid indication at body to bonnet accepted by evaluation QIM 501000025480.
C-H, C7.10 SP 1168.14 Containment Spray System Pressure Test 8-CS-4, < tsp dry white/brown boric acid indication at flange accepted by evaluation QIM 501000025480.
C-H, C7.10 SP 1168.14 Containment Spray System Pressure Test 1-CS-37, Tbsp dry white boric acid indication at flange accepted by evaluation QIM 501000025480.
C-H, C7.10 SP 1168.14 Containment Spray System Pressure Test 2-CS-12A, trace dry white boric acid indication at flange accepted by evaluation QIM 501000025480.
F-A, F1.20c Aux Feedwater Support 1-AFWH-75, Bolt is tight, washer is loose accepted by evaluation QIM 501000044690 and EC 608000000635.
F-A, F1.30b Cooling Water Support 1-CWH-424, Cracks in weld accepted by evaluation QIM 501000044421 and EC 608000000635.
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TABLE 2 ABSTRACT OF REPAIR/REPLACEMENT ACTIVITIES REQUIRED FOR CONTINUED SERVICE Code Class Plant ID #
Item Description Description of Work Completed Date Completed R/R Plan #
3 4-ZH-61 ZH system piping Due to MIC, a section of Chilled Water (ZH system) piping and valve was replaced.
2/6/2019 1-31-012 CL-16-4 121 Control Room Chiller Cooling Water Supply 3
3-CL-88 Cooling Water Piping Segment Replaced segments of Cooling Water System piping due to MIC.
2/20/2020 1-31-031 2-1/2-CL-88 Cooling Water Piping Segment Replaced segments of Cooling Water System piping due to MIC.
CW-17-7 Cooling Water Valve Replaced segments of Cooling Water System piping due to MIC.
3 3-CL-88 Cooling Water Piping Segment Replaced segment of Cooling Water System piping due to MIC.
9/21/2020 1-31-033 3
20-CL-3 Cooling Water Pipe Segment Replaced segment of pipe due to MIC.
1/4/2019 1-31-004 3
3-CL-11 Cooling Water System piping segment Replaced segment of Cooling Water System piping due to MIC.
1/9/2020 1-31-029 3
3-CL-88 CL System piping segment Replaced a segment of Cooling Water System piping due to MIC.
11/5/2019 1-31-030 3
CL-113-2 12 MD AFW PMP CLG WTR SPLY Replaced cooling water piping and valve due to MIC.
10/30/2019 1-31-024 4-CL-90 CL Piping Segment Replaced cooling water piping and valve due to MIC.
4-CL-23 CL Piping Segment Replaced cooling water piping and valve due to MIC.
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