ML21047A497

Twenty-Second Refueling Outage Owner'S Activity, Report 1R22

ML21047A497
Person / Time
Site:	Palo Verde
Issue date:	02/16/2021
From:	Dilorenzo M Arizona Public Service Co
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
102-08231-MDD/MSC 1R22
Download: ML21047A497 (6)

Text

10 CFR 50.55a Palo Verde Nuclear Generating Station P.O. Box 52034 Phoenix, AZ 85072 102-08231-MDD/MSC Mail Station 7636 February 16, 2021 Tel: (623) 393-3495 ATTN: Document Control Desk U.S. Nuclear Regulatory Commission Washington, DC 20555-0001

Subject:

Palo Verde Nuclear Generating Station Unit 1, Docket No. STN 50-528 Fourth 10-Year Interval, First Period Owners Activity Report Number 1R22 Pursuant to 10 CFR 50.55a and in accordance with the American Society of Mechanical Engineers Boiler and Pressure Vessel Code Case N-532-5, Alternative Requirements to Repair and Replacement Documentation Requirements and Inservice Summary Report Preparation and Submission as Required by IWA-4000 and IWA-6000,Section XI, Division 1, Arizona Public Service Company hereby submits the Owners Activity Report (Form OAR-

1) for Unit 1 refueling outage 22 (1R22). The outage ended on December 3, 2020.

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, Dilorenzo, Michael Digitally signed by Dilorenzo, Michael D(Z99838)

DN: cn=Dilorenzo, Michael D(Z99838)

Reason: approved D(Z99838) Date: 2021.02.16 15:18:02 -07'00' Michael D. DiLorenzo, Department Leader Nuclear Regulatory Affairs - Licensing MDD/MSC/mg

Enclosure:

Unit 1 Twenty-Second Refueling Outage Owners Activity Report, Report 1R22 cc: S. A. Morris NRC Region IV Regional Administrator S. P. Lingam NRC NRR Project Manager for PVNGS C. A. Peabody NRC Senior Resident Inspector for PVNGS A member of the STARS Alliance LLC Callaway Diablo Canyon Palo Verde Wolf Creek

ENCLOSURE Unit 1 Twenty-Second Refueling Outage Owner's Activity Report Report 1R22

FORM OAR-1 OWNER'S ACTIVITY REPORT Report Number: _1_R_2_2_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ __

Plant: Palo Verde Nuclear Generating Station, 5801 S. Wintersburg Road, Tonopah , Arizona 85354-7529 Unit No.: _1_ __ Commercial service date: __J_a_n_2_8~,_1_9_86_ _ Refueling Outage No. : _2_2_ _ _ _ __

(if applicable)

Current inspection interval IWB, IWC, IWD, IWF = 4th / IWE = 3rd IWL = 2nd / S.P.T. = 4th (1", 2"', 3"', 4 th , other)

Current inspection period _IW_B_,'--I_W_C..a.,_IW_D.;... , I_W_F_=_1s_t_ _ _lW_E_=_1_s_t_ _ _ IW_L_=_2n_d__,_s_ .P_.T_._=_1_s_t- - - - -

(1", 2"", 3"')

Edition and Addenda of Section XI applicable to the inspection plans 2013 Edition (IWE and IWL=2007 Ed., '08 Ad .)

Date and revision of inspection plans ISl=12/05/19 RO, SPT=6/21 /18 RO, IWE=10/3/18 RO, IWL=8/8/18 R4 Edition and Addenda of Section XI applicable to repair/replacement activities, if different than the inspection plans _2_0_1_3_E_d_it_io_n_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ __

Code Cases used for inspection and evaluation:

N-532-5, N-716-1, N-722-1 (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 U1 R22 conform to the requirements of Section XI.

(refueling outage number)

FoII ey, Roy Digitally signed by Folley, Roy C(Z07131)

C(zo7131 )

Signed _ _ _ _ _ _

DN : cn=Folley, Roy C(Z07131)

Date: 2021.02.03

__ 15:01_ :38 -07'00'

_ 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 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 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.

HOQStrom, Digitally signed by Hagstrom,

• The Hartford Steam Boiler Inspection and Insurance Company Robert (YH2450)

DN: cn=Hogstrom, Robert Robert (YH2450) (YH24soJ Date: 2021 .02.0315:08:11 -07'00' Commissions N.B. 9685 "C, I, N, R" (Inspector's Signature) National Board, State, Province, and Endorsements Date: _ _ _ _ _ _ _ _ _ _ __

PV-E0796 Ver. 2

Table 1 Items with Flaws or Relevant Conditions That Required Evaluation for Continued Service Examination Category and Item Item Description Evaluation Description Number None None None

Table 2 Abstract of Repair/Replacement Activities Required for Continued Service Code Date Repair/Replacement Component ID Description of Work Class Complete Plan number Open and Inspect Pool Cooling 3 lMPCBEOl Heat Exchanger. Plug Tubes as 6/14/2020 4751397-0 Needed. Welded Plugs Install New Spool On Line 2 Of 1PSPAL098. New Spool Will Not 3 1PSPAL098 3/7/2020 4902102-0 Include The Existing Small Bore Nozzle.

Replace Spool 2 With New 3 lPSPALlO0 3/7/2020 4902103-0 Spool.

3 1PSPBL049A Install Spool 2. 9/22/2020 4902104-0 3 1PSPBL032A Install Spool 13 9/22/2020 4902105-0 Perform Weld Buildup Of 3 1PSPBL079 Corroded Areas Due To Failure 11/2/2020 4940090-1 OfThe Internal Coating Replace DG lntercooler Cross 3 lMDGAEOlA 3/7/2020 5074224-0 Connect Spools 6 and 8 Weld Repair Expansion Joint 3 1MDGAY19 3/10/2020 5074224-9 Carbon Steel Flange Surfaces Weld Repair Expansion Joint 3 1MDGAY24 3/10/2020 5074224-9 Carbon Steel Flange Surfaces Replace DG lntercooler Cross 3 lMDGAE0lB 3/7/2020 5074225-0 Connect Spools 5 and 7 3 1PSPAL098 SPOOL 4 Base Metal Repair of Piping 3/7/2020 5074258-2 3 1PSPAL099 SPOOL 2 Weld Repair of Piping 3/7/2020 5074258-2 3 lPSPALl00 SPOOL 1 Base Metal Repair of Piping 3/7/2020 5074258-2 3 1PSPAL065 SPOOL 7 Weld Repair of Piping 3/7/2020 5074258-2 3 1PSPAL080 SPOOL 15 Weld Repair of Pipe Spools 3/7/2020 5074258-2 lMDGAE0lA, 0lB, 3 Weld Repair of Corroded Areas 3/7/2020 5074259-0 04,05 lMDGBE0lA, 0lB, 04, 3 Weld Repair of Corroded Areas 9/25/2019 5145509-0 05 Replace DG lntercooler Cross Connect Spools 6 and 8 and lMDGBEOlA 3 remove and reinstall expansion 9/25/2019 5145457-0 1MDGBY19 joint repaired under task 3 of this work order Replace DG lntercooler Cross 3 lMDGBE0lB 9/25/2020 5145458-0 Connect Spools 5 and 7 3 1PSPBL107 Perform Base Metal Repair 9/25/2020 5145508-4 Weld repair on Heat Exchanger 3 lMEWAE0l 11/3/2020 5151583-4 Inlet Channel Cover (West End)

Weld repair on Heat Exchanger 3 lMEWAE0l 11/3/2020 5151583-4 26" Channel Outlet Nozzle Replace Snubber Due To Failed 2 1Sl106H008 8/24/2020 5157821-0 Drag Test 1

Table 2 Abstract of Repair/Replacement Activities Required for Continued Service Repair Weld Between Hanger Lug and Pipe, Due to Indication 2 lPSIALl00/15I100H002 Found During Inspection 11/8/2020 5287070-0 Note: Weld was blended only.

PT SAT.

Replace Installed 6" Check Valve 3 1PSGAV044 With Substitute Anchor Darling 11/30/2020 5289521-0 Model W9023213 2