ML18102B684

Third 10-Year Interval, Third Period: Owner'S Activity Report Number 1R20 Correction

ML18102B684
Person / Time
Site:	Palo Verde
Issue date:	04/12/2018
From:	Dilorenzo M Arizona Public Service Co
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
102-07672-MDD/MSC 1R20
Download: ML18102B684 (5)

Text

10 CFR 50.55a Oaps Palo Verde Nuclear Generating Station P.O. Box 52034 Phoenix, AZ 85072 102-07672-MDD/MSC Mail Station 7636 April 12, 2018 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 Third 10-Year Interval, Third Period:

Owner's Activity Report Number 1R20 Correction By letter number 102-07636, dated January 26, 2018 [Agency Documents Access and Management System (ADAMS) Accession No. ML18030B138], Arizona Public Service Company (APS) submitted the Owner's Activity Report (Form OAR-1) for Palo Verde Nuclear Generation Station (PVNGS) Unit 1 refueling outage 20 (1R20).

It was identified that the list of code cases used was incomplete. This was entered into the PVNGS corrective action program. A corrected Owner's Activity Report for PVNGS 1R20 is enclosed.

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

Sincerely, Michael D. Dilorenzo Regulatory Affairs Department Leader MDD/MSC/SMM

Enclosure:

Unit 1 Twentieth Refueling Outage Owner's Activity Report, Report 1R20 Corrected cc: K. M. Kennedy 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 Twentieth Refueling Outage Owner's Activity Report Report 1R20 Corrected

FORM OAR-1 OWNERS ACTIVITY REPORT Report Number: 1^20 Plant: Palo Verde Nuclear Generating Station, 5801 S. Wintersburg Road, Tonopah, Arizona 85354-7529 Unit No.: 1 Commercial service date: Jan 28, 1986 Refueling Outage No.: R20 (if applicable)

Current inspection interval IWB, IWC, IWD, IWF = 3rd IntervalIWE, IWL = 2nd Interval (1*, 2', 3", 4'^ other)

Current inspection period IWB, IWC, IWD, IWF, IWE = 3rd PeriodIWL = 2nd Period (i, 2", a')

Edition and Addenda of Section XI applicable to the inspection plans 2001 Ed., 2003 Ad. (IWL = 2007 Ed., 2008 Ad.)

Date and revision of inspection plans ISI = 9/22/17 R6, Press Tests = 3/19/14 R4, IWE = 9/23/15 R1, IWL = 8/26/15 R3 Edition and Addenda of Section XI applicable to repair/replacement activities, if different than the inspection plans 2001 Ed., 2003 Ad.___________

Code Cases used: N-729-4, N-722-1, N-770-2, N-663, N-460, N-532-4, N-733, N-613-1, N-648-1 (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 U1R20_____ conform to the requirements of Section XI.

(refueling outage number)

Tnnnf:>> Digitally signed byloone, I oone, ope11 ceil Spencer (Z07074) r DN: cn=Toone, Spencer (Z07074)

Signed (Z07074)  :^'"Dafe':2018.03.07 16:17:17 -0700' Date: Mar 7, 2018 CERTIFICATE OF INSERVICE INSPECTION I, the undersigned, holding a valid commission issued by the National Board of Boiler and Pressure Vessel Inspectors and the State or Province ofArizonaand employed by^of Hartford. Connecticut _ 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 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.

Digitally signed by Hogstrom, *The Hartford Steam Boiler Inspection and Insurance Company Hogstrom, Robert (YH2450) pN: cn=Hogstrom, Robert Robert (YH245P)-(^h2450)

Date: 2018.03.07 16:30:19 -0700' Commissions N.B. 9685 "C, I, N, R" Az 264 (Inspector's Signature) National Board, State, Province, and Endorsements Date: Mar 7. 2018 PV-E0796 Ver. 1

Table 1 Items with Flaws or Relevant Conditions that Required Evaluation for Continued Service Examination Category Item Description Evaluation Description and item Number Category: L-A Indication found in the containment Operability Determination concrete during the 15*'^ year 17-01704-001 documents Item Number: L1.12 Containment Exterior Concrete the operability of Examination. See Visual Containment.

Examination Report IWL-2017-1084. Evaluation 17-01704-002 documents the Acceptance The Detailed Visual Examination by Evaluation as required required by IWL-2310(b) determined by IWL-3212 and in that the indication is a result of a accordance with IWL-3300.

piece of wood embedded in the concrete since initial construction that affects an area approximately 2 inches wide x 8 inches long x 0.5' inches deep.

Table 2 Abstract of Repair/Replacement Activities Required for Continued Service Code Item Description Description of Work Date Repair/Replacement Class Completed Plan Number 1 1JSIAPSV0469 Pressure Relief Valve 10/25/2017 4793937-0 swapped when it failed its Surveillance Test 1 1MRCEX02 Replaced a nut on the 11/02/2017 4795945-0 Pressurizer Manway after failing its visual examination 2 1SG011H020 Installed spacer to pipe 10/31/2017 4943103-0 support to achieve proper cold setting 3 1PDGBV485 Replace broken U- 01/20/2017 4816794-0 bolt/support 3 1MEWAE01 Weld Repair EW Heat 10/21/2017 4793461-3 Exchanger 3 1MDGBE01A Weld Repair Intercooler A 09/29/2016 4784036-0 3 1MDGBE01B Weld Repair Intercooler B 09/29/2016 4784036-0 3 1MDGBE01A&B Weld Repair Intercooler 09/29/2016 4784036-0 cross-connect spool 3 1MDGBE05 Weld Repair Jacket Water 09/29/2016 4784036-0 Cooler 3 1MDGBE04 Weld Repair Lube Oil 09/29/2016 4784036-0 Cooler 3 1PSPAL079 Weld repair on existing 10/21/2017 3824445-0 spool