ML19046A351

Third 10-Year Interval, Third Period: Owner'S Activity Report Number U2R21

ML19046A351
Person / Time
Site:	Palo Verde
Issue date:	02/15/2019
From:	Dilorenzo M Arizona Public Service Co
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
102-07863-MDD/MSC
Download: ML19046A351 (6)

Text

10 CFR 50.55a Oaps Palo Verde Nuclear Generating Station P.O. Box 52034 Phoenix, AZ 85072 Mall Station 7636 102-07863-MDD/MSC Tel: (623) 393-5764 February 15, 2019 ATTN: Document Control Desk U.S. Nuclear Regulatory Commission Washington, DC 20555-0001

Subject:

Palo Verde Nuclear Generating Station (PVNGS)

Unit 2, Docket No. STN 50-529 Third 10-Year Interval, Third Period:

Owner's Activity Report Number U2R21 Pursuant to 10 CFR 50.55a and in accordance with the American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessel Code Case N-532-5, Arizona Public Service Company (APS) hereby submits the Owner's Activity Report (Form OAR-1) for Unit 2 refueiing outage 21 (U2R21). The outage ended on December 3, 2018.

No commitments are being made to the NRC by this ietter. Should you need further information regarding this submittal, please contact Matthew S. Cox, Licensing Section Leader, at (623) 393-5753.

Sincerely, Micheal D. DiLorenzo, Department Leader Nuclear Regulatory Affairs - Licensing MDD/MSC/mg

Enclosure:

Unit 2 Twenty-First Refueling Outage Owner's Activity Report, Report U2R21 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 2 Twenty-First Refueling Outage Owner's Activity Report Report U2R21

FORM OAR-1 OWNERS ACTIVITY REPORT Report Number: 2R21 Plant: Palo Verde Nuclear Generating Station, 5801 S. Wintersburg Road, Tonopah, Arizona 85354-7529 Unit No.: 2 Commercial service date: Sep 19,1986 Refueling Outage No.: _21_

(if applicable)

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

Current inspection period IWB, IWC, IWD, IWF = 3rd / IWE = 1st / IWL = 2nd / S.P.T. = 3rd and 1st (1<<

Edition and Addenda of Section XI applicable to the inspection plans 2001 £0703 Ad (IWE, IWL = 2007 Ed. / '08 Ad.)

Date and revision of inspection plans ISI=8/1/18 R7, SPT=3/15/18 R5 and 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 2013 Edition (2013 Ed. also used for 4th Interval S.P.T. during plant startup)

Code Cases used for inspection and evaluation:

N-532-5, N-722-1, N-770-2, N-460 (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 U2R21_____ conform to the requirements of Section XI.

(refueling outage number)

Toone, Spencer gitany signed by roone, Spencer (Z07074)

DN: cn=Toone, Spencer (Z07074)

Signed (Z07074) Date: 2019.02.06 11:16:09 -0700' 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 The Hamofcl steam Boiler Inspection and Insurance Company ofHartfofd, ConneclicuthaVe inspected the items deSCMbed 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.

Digitally signed by Hogstrom, Hogstrom, Robert (YH24S0)

Robert (YH2450) DN:

(yhcn=Hogstrom.

24so) Robert Date: 2019.02.06 11:26:24 -07'00' Commissions N.B.9685C, 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 Item Description Evaluation Description and Item Number None None None

Table 2 Abstract of Repair/Replacement Activities Required for Continued Service Code Date Repair/Replacement Item Description Description of Work Class Complete Plan Number Replace steam generator 1 2MRCEE01A 11/09/18 4970281-0 hand-hole studs and nuts.

Adjust spring can cold 2 2SG206H001 11/15/18 4223921-0 setting.

2 2CH010H0AA Replace snubber. 08/15/18 4916998-0 Replace pipe spool due to 2 2PSGEL002B FAC program 12/01/18 5024637-0 requirements.

Replace pipe spooi due to 2 2PSGEL014A FAC program 12/01/18 5024646-0 requirements.

3 2PSPAL098 Replace pipe spool. 09/29/17 4702374-0 3 2PSPAL099 Replace pipe spool. 09/29/17 4703243-0 3 2PSPAL065A Replace pipe spool. 09/29/17 4703270-0 Replace intercooler cross-3 2MDGBE01A/B 03/22/18 4777055-0 connect spools.

Weld repair DG heat 2MDGBE... OlA, OIB, 3 exchangers due to 03/22/18 4784034-0 04, 05, OlA/B localized corrosion.

Weld repair DG heat 2MDGAE... OlA, OIB, 3 exchangers due to 09/29/17 4784035-0 04, 05 localized corrosion.

Weld build-up on valve 3 2JDGATCV0269 09/28/17 4790856-0 body due to erosion.

Code Date Repair/Replacement Item Description Description of Work Class Complete Plan Number Base metal weld repair on 3 2PSPBL032A 03/22/18 4847671-5 pipe spool.

2PSPBL104, ...105, Base metal weld repairs on 3 03/22/18 4847671-8

...106 pipe spools.

Weld repair pipe spool due 3 2PSPAL065A 9/29/17 4933055-0 to localized corrosion.

Base metal weld repair on 3 2MEWBE01 10/27/18 4909517-0 heat exchanger flanges.

Modify and replace 1-inch 3 2MDGAH01 09/29/17 4933194-0 fuel-line bracket.