ML24019A201
| ML24019A201 | |
| Person / Time | |
|---|---|
| Site: | Palo Verde  |
| Issue date: | 01/19/2024 |
| From: | Cox M Arizona Public Service Co |
| To: | Office of Nuclear Reactor Regulation, Document Control Desk |
| References | |
| 102-08720-MSC/CJS | |
| Download: ML24019A201 (1) | |
Text
10 CFR 50.55a A member of the STARS Alliance LLC Callaway
- Diablo Canyon
- Palo Verde
- Wolf Creek 102-08720-MSC/CJS January 19, 2024 ATTN: Document Control Desk U.S. Nuclear Regulatory Commission Washington, DC 20555-0001
Subject:
Palo Verde Nuclear Generating Station Unit 1 Renewed Operating License No. NPF-41 Docket No. STN 50-528 Fourth 10-Year Interval, Second Period Owners Activity Report Number 1R24 Pursuant to Title 10 of the Code of Federal Regulations 50.55a and in accordance with the American Society of Mechanical Engineers Boiler and Pressure Vessel Code Case N-532-5, Repair/Replacement Activity Documentation Requirements and Inservice Inspection Summary Report Preparation and Submission Section XI, Division 1, Arizona Public Service Company hereby submits the Owners Activity Report (Form OAR-1) for Unit 1 refueling outage 24 (1R24). The outage ended on November 11, 2023.
No commitments are being made to the NRC by this letter. Should you need further information regarding this submittal, please contact me at (623) 393-5753.
Sincerely, Matthew S. Cox Department Leader, Nuclear Regulatory Affairs MSC/CJS/cr
Enclosure:
Unit 1 Twenty-Fourth Refueling Outage Owners Activity Report, Report 1R24 cc:
J. D. Monninger NRC Region IV Regional Administrator W. T. Orders NRC NRR Project Manager for PVNGS L. N. Merker NRC Senior Resident Inspector for PVNGS Palo Verde Nuclear Generating Station P.O. Box 52034 Phoenix, AZ 85072 Mail Station 7636 Tel: (623) 393-5753 Cox, Matthew S(Z05628)
Digitally signed by Cox, Matthew S(Z05628)
Date: 2024.01.19 14:48:47 -07'00'
ENCLOSURE Unit 1 Twenty-Fourth Refueling Outage Owners Activity Report Report 1R24
PV-E0796 Ver. 2 FORM OAR-1 OWNERS ACTIVITY REPORT Report Number: ________________________________________________________________________________________________
Plant: ___________________________________________________________________________________________________________
Unit No.: ___________
Commercial service date: ___________________
Refueling Outage No.: ___________________
(if applicable)
Current inspection interval ______________________________________________________________________________________
(1st, 2nd, 3rd, 4th, other)
Current inspection period _______________________________________________________________________________________
(1st, 2nd, 3rd)
Edition and Addenda of Section XI applicable to the inspection plans ____________________________________________
Date and revision of inspection plans ___________________________________________________________________________
Edition and Addenda of Section XI applicable to repair/replacement activities, if different than the inspection plans ____________________________________________________________________________
Code Cases used for inspection and evaluation:
(if applicable)
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
_______________ conform to the requirements of Section XI.
(refueling outage number)
Signed _________________________________________________________
Date: _____________________________________
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 _____________________________ of _______________________________ have inspected the items described in this Owners 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 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 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.
Commissions ____________________________________________________
(Inspectors Signature)
National Board, State, Province, and Endorsements Date: _____________________________________
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1R24 Palo Verde Generating Station, 5801 S. Wintersburg Road, Tonopah, Arizona 85354-7529 1
Jan 28, 1986 24 IWB,IWC,IWD,IWF = 4th ; IWE = 3rd ; IWL = 3rd ; SPT = 4th IWB,IWC,IWD,IWF = 2nd ; IWE = 2nd ; IWL = 1st ; SPT = 2nd 2013 Edition (IWE = 2007 Ed.,'08 Ad.)
ISI = 4/09/22 R1 ; SPT = 6/21/18 R0 ; IWE = 10/3/18 R0 ; IWL = 6/17/22 R0 2013 Edition N-532-5, N-638-10, N-716-1, N-722-1, N-729-6, N-770-5 U1R24 Folley, Roy C(Z07131)
Digitally signed by Folley, Roy C(Z07131)
Date: 2024.01.10 07:53:02
-07'00' Jan 10, 2024 Hartford, Connecticut
- Hogstrom, Robert (YH2450)
Digitally signed by Hogstrom, Robert (YH2450)
Date: 2024.01.11 20:27:43
-07'00' N.B. 9685 "A, N, I, C" AZ 264 Jan 11, 2024
Table 1 1R24 Items with Flaws or Relevant Conditions That Required Evaluation for Continued Service Examination Category and Item Number Item Description Evaluation Description None None None
Table 2 Abstract of 1R24 Repair/Replacement Activities Required for Continued Service 1
Code Class Component ID Description of Work Date Complete Repair/Replacement Plan Number 1
1JRCEPSV0200 PRESSURIZER SAFETY RELIEF VALVE 11/09/2023 5458721-0 Replace the pressurizer safety relief valve with a reconditioned spare 1
1JRCEPSV0201 PRESSURIZER SAFETY RELIEF VALVE 11/09/2023 5458722-0 Replace the pressurizer safety relief valve with a reconditioned spare 1
1JRCEPSV0202 PRESSURIZER SAFETY RELIEF VALVE 11/09/2023 5458723-0 Replace the pressurizer safety relief valve with a reconditioned spare 1
1JRCEPSV0203 PRESSURIZER SAFETY RELIEF VALVE.
11/09/2023 5458724-0 Replace the pressurizer safety relief valve with a reconditioned spare 1
1JSIBPSV0169 B TRAIN SDC RELIEF VALVE TO RDT 11/01/2023 5565730-0 Replace existing relief valve with a new valve due to cap leakage 1
1JRCETW0101 PRESSURIZER TEMPERATURE NOZZLE 11/09/2023 5570390-0 Replace the existing pressurizer thermowell nozzle and supporting nickel base alloy weld pad, per AWA APS-2023-0052 Framatome traveler 2
1PSGEL011 FEEDWATER HEADER TO STEAM GEN RCEE01B 11/09/2023 5314233-0 REPLACE SGE-L011, SPOOL S-003 2
1JSGEPSV0554 S/G #2 LINE 1 SAFETY RELIEF VALVE 11/09/2023 5458642-0 Replacement of main steam safety valve with reconditioned and tested spare.
2 1SI174H005 SNUBBER SIS LP/HP LOOP E 10/24/2023 5465829-0 Snubber replaced due to testing failure 2
1PSGEL008 FEEDWATER HEADER ST GEN TO RCEE01A 11/09/2023 5466656-0 Weld replace SGE-L008 Spool S-006.
2 1PSIEL230 SAFE INJEC TK SIEX01D TO SAFETY VLV PSV241 11/06/2023 5478281-0 Apply 2:1 weld taper to both sides of the installed 45° socket weld elbows.
2 1SI230H00D RESTRAINT ON LINE FROM SIE-X01D TO PSV-241 11/06/2023 5478281-0 Remove and reinstall Item 72 to support 2:1 weld of SIE-L230
Table 2 Abstract of 1R24 Repair/Replacement Activities Required for Continued Service 2
Code Class Component ID Description of Work Date Complete Repair/Replacement Plan Number 2
1PSIEL230 SAFE INJEC TK SIEX01D TO SAFETY VLV PSV241 11/09/2023 5478281-5 Remove and replace N-00B between Reducing tee and 45 degree elbow for failure analysis of Item 72 2
1SI230H00D RESTRAINT ON LINE FROM SIE-X01D TO PSV-241 11/09/2023 5478281-5 Remove item 72 from service due to indication found during NDE 2
1SG042H011 STEAM GEN 2 MAIN STEAM LN1 CONSTANT SPRING HANGER 11/09/2023 5570282-0 Replace failed constant spring support.
3 1MDGBE01A DG B AIR INTERCOOLER A 10/01/2022 5351143-0 Weld repair of corroded areas 3
1MDGBE04 LUBE OIL COOLER 10/01/2022 5351143-0 Weld repair of corroded areas 3
1MDGBE01B DG B AIR INTERCOOLER B 10/01/2022 5351143-0 Weld repair of corroded areas 3
1MDGBE05 JACKET WATER COOLER 10/01/2022 5351143-0 Weld repair of corroded areas 3
1MDGBE01A/B EDG INTERCOOLER CROSS CONNECT SPOOLS (5, 6, 7, and 8) 10/01/2022 5351143-0 Weld repair of corroded areas 3
1JEWBPCV174 4" REGULATING CONTROL VALVE FOR THE ESSENTIAL CHILLER 9/27/2022 5353044-0 Base metal repair to pipe spool 3
1PSPBL106 LUBE OIL CLR DGBE04 TOSPRAY POND TRAIN B Spool 001 9/29/2022 5353125-5 Base metal repair to pipe spool 3
1PSPBL032 SP PUMP SPB P01 TO DG CLG WTR HT EXCH DGB-E01 Spool 014 9/29/2022 5353125-5 Base metal repair of pipe spool 3
1PSPBL032 SP PUMP SPB P01 TO DG CLG WTR HT EXCH DGB-E01 Spool 015 9/29/2022 5353125-5 Base metal repair of pipe spool 3
1PSPBL104 ESS SPRAY POND P SPB-P01 TO LUBE OIL CLR DGBE04 Spool 003 9/29/2022 5353125-5 Base metal repair of pipe spool
Table 2 Abstract of 1R24 Repair/Replacement Activities Required for Continued Service 3
Code Class Component ID Description of Work Date Complete Repair/Replacement Plan Number 3
1PSPBL106 LUBE OIL CLR DGBE04 TO SPRAY POND TRAIN B Spool 004 9/29/2022 5353125-5 Base metal repair of pipe spool 3
1PSPBL049 DG CLG WTR HT EXCH DGB-E01 TO TRAIN B SPRAY POND Spool 001 9/29/2022 5353125-5 Base metal repair of pipe spool 3
1MEWAE01 ECWS HTEXCH A Perform base material repairs to the heat exchanger 10/25/2023 5458620-4 3
1MEWAE01 ECWS HTEXCH A 10/25/2023 5458620-8 Tack weld temporary machining fixture to cover and machine coating/gasket seating surfaces flat 3
1PSPAV041 A SPRAY POND PUMP DISCHARGE CHECK VALVE 10/24/2023 5530596-0 Valve replacement to support Selective Leaching Inspections. (CR 23-00451)