ML21197A205

Fourth 10-Year Interval, First Period Owner'S Activity Report Number 3R22

ML21197A205
Person / Time
Site:	Palo Verde
Issue date:	07/16/2021
From:	Weber T Arizona Public Service Co
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
102-08313-TNW/MSC
Download: ML21197A205 (6)

Text

10 CFR 50.55a Palo Verde Nuclear Generating Station P.O. Box 52034 Phoenix, AZ 85072 102-08313-TNW/MSC Mail Station 7636 July 16, 2021 Tel: (623) 393-5764 ATTN: Document Control Desk U.S. Nuclear Regulatory Commission Washington, DC 20555-0001

Subject:

Palo Verde Nuclear Generating Station Unit 3 Docket No. STN 50-530 Fourth 10-Year Interval, First Period Owners Activity Report Number 3R22 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 3 refueling outage 22 (3R22). The outage ended on May 18, 2021.

No commitments are being made to the NRC by this letter. Should you have any questions concerning the content of this letter, please contact Matthew S. Cox, Licensing Section Leader, at (623) 393-5753.

Sincerely, Digitally signed by Weber, Weber, Thomas Thomas N(Z00499)

Date: 2021.07.16 17:06:28 N(Z00499) -07'00' Thomas N. Weber Director Nuclear Regulatory Affairs TNW/MSC/mg

Enclosure:

Unit 3 Twenty-Second Refueling Outage Owners Activity Report, Report 3R22 cc: S. A. Morris NRC Region IV Regional Administrator S. P. Lingam NRC NRR Project Manager for PVNGS L. N. Merker NRC Senior Resident Inspector for PVNGS A member of the STARS Alliance LLC Callaway

• Diablo Canyon

• Palo Verde

• Wolf Creek

ENCLOSURE Unit 3 Twenty-Second Refueling Outage Owners Activity Report Report 3R22

Report Number: ________________________________________________________________________________________________

Plant: ___________________________________________________________________________________________________________

Unit No.: ___________ Commercial service date: ___________________ Refueling Outage No.: ___________________

(if applicable)

Current inspection interval ______________________________________________________________________________________

st nd rd th (1 , 2 , 3 , 4 , other)

Current inspection period _______________________________________________________________________________________

st nd rd (1 , 2 , 3 )

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 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 ____________________________________________________

National Board, State, Province, and Endorsements Date: _____________________________________

PV-E0796 Ver. 2

Table 2 Abstract of Repair/Replacement Activities Required for Continued Service Code Date Repair/Replacement Component ID Description of Work Class Complete Plan number INSTALL WESTINGHOUSE 1 3MRCEE01A 5/05/2021 5302277 MECHANICAL PLUGS IN HOT LEG INSTALL WESTINGHOUSE 1 3MRCEE01A MECHANICAL PLUGS IN COLD 5/05/2021 5302280 LEG INSTALL WESTINGHOUSE 1 3MRCEE01B 5/05/2021 5302279 MECHANICAL PLUGS IN HOT LEG INSTALL WESTINGHOUSE 1 3MRCEE01B MECHANICAL PLUGS IN COLD 5/05/2021 5302278 LEG EDG INTERCOOLER CROSS CONNECT SPOOLS (5,6,7,8) 3 3MDGBE01A/B 3/26/2021 5200271 WELD REPAIR OF CORRODED AREAS EDG A INTERCOOLER A 3 3MDGAE01A WELD REPAIR OF CORRODED 5/05/2021 5193959 AREAS EDG A INTERCOOLER B 3 3MDGAE01B WELD REPAIR OF CORRODED 5/05/2021 5193959 AREAS EDG B INTERCOOLER A 3 3MDGBE01A WELD REPAIR OF CORRODED 3/26/2021 5200271 AREAS EDG B INTERCOOLER B 3 3MDGBE01B WELD REPAIR OF CORRODED 3/26/2021 5200271 AREAS EDG A JACKET WATER COOLER 3 3MDGAE05 WELD REPAIR OF CORRODED 5/05/2021 5193959 AREAS EDG B JACKET WATER COOLER 3 3MDGBE05 WELD REPAIR OF CORRODED 3/26/2021 5200271 AREAS EDG A LUBE OIL COOLER 3 3MDGAE04 WELD REPAIR OF CORRODED 5/05/2021 5193959 AREAS EDG B LUBE OIL COOLER 3 3MDGBE04 WELD REPAIR OF CORRODED 3/26/2021 5200271 AREAS ECWS HEAT EXCHANGER 3 3MEWAE01 5/05/2021 5206929 PERFORM BASE METAL REPAIRS ESS SPRAY POND SPBP01 TO JACKET WATER COOLER 3 3PSPBL032A S015 3/26/2021 5200270 PERFORM BASE METAL REPAIR, DUE TO DEGRADED COATINGS 1

Table 2 Abstract of Repair/Replacement Activities Required for Continued Service Code Date Repair/Replacement Component ID Description of Work Class Complete Plan number ESS SPRAY POND SPBP01 TO AIR AFTERCOOLERS HEAT 3 3PSPBL105 S001 EXCHANGER 3/26/2021 5200270 PERFORM BASE METAL REPAIR OF SPOOL ESP SPRAY POND SPAP01 TO DGA-E01 COOLING WTR HT 3 3PSPAL080B 5/05/2021 5193958 EXCHANGER WELD REPAIR PIPE SPOOL DG CLG WTR HT EXCH DGB-E01 FROM SPRAY POND TRAIN B 3 3PSPBL049A S001 3/26/2021 5200270 PERFORM BASE METAL REPAIR OF SPOOL 3A DG INTERCOOLER CROSS 00142968, 00142969, 3 UNDER SPOOLS 5,6,7,8 3/04/2021 5309868 00142970, 0015177 PERFORM BASE METAL REPAIRS 00159669, 00159670, 3B INTERCOOLER SPOOLS 5,6,7 3 3/18/2021 5309863 00159671 PERFORM BASE METAL REPAIR DG B LUBE OIL COOLER OUTLET RELIEF VALVE 3 3JSPBPSV0138 REPLACE PSV. EXISTING VALVE 3/26/2021 5200259 FAILED AS-FOUND SET PRESSURE TEST LOOSE BOLT IDENTIFIED ON 3 3PC022H015 4/21/2021 5334930 CLAMP 2