ML18030B138

Third 10-Year Interval, Third Period: Owners Activity Report Number 1R20

ML18030B138
Person / Time
Site:	Palo Verde
Issue date:	01/26/2018
From:	Dilorenzo M Arizona Public Service Co
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
102-07636-MDD/MSC
Download: ML18030B138 (5)

Text

10 CFR 50.55a Qaps 102-07636-MDD/MSC January 26, 2018 Palo Verde Nuclear Generating Station P.O. Box 52034 Phoenix, AZ 85072 Mail Station 7636 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 Pursuant to 10 CFR 50.55a and in accordance with the American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessel Code Case N-532-4, Arizona Public Service Company (APS) hereby submits the Owner's Activity Report (Form OAR-1) for Palo Verde Nuclear Generating Station (PVNGS) Unit 1 refueling outage 20 (1R20). The PVNGS Unit 1 refueling outage ended on November 6, 2017.

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/CJS

Enclosure:

Unit 1 Twentieth Refueling Outage Owner's Activity Report, Report 1R20 cc:

K. M. Kennedy S. P. Lingam C. A. Peabody NRC Region IV Regional Administrator NRC NRR Project Manager for PVNGS 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

FORM OAR-1 OWNERS ACTIVITY REPORT Report Number:

1R20 Plant: Palo Verde Nuclear Generating Station, 5801 S. Wintersburg Road, Tonopah, Arizona 85354-7529 Unit No.: 1 (if applicable)

Commercial service date:

Jan 28,1986 Refueling Outage No.: R20 Current inspection interval IWB, IWC, IWD, IWF = 3rd IntervalIWE, IWL = 2nd Interval (1, 2". S'". 4*, other)

Current inspection period IWB. IWC, IWD, IWF, IWE = 3rd PeriodIWL = 2nd Period

{1, 2", 3")

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 (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 1R20conform to the requirements of Section XI.

(refueling outage number)

Signed Toone, Spencer (Z07074)

Spencer (Z07074)

DN: cn=Toone, Spencer (Z07074)

Date: 2018.01.02 10:07:39 -07'00' Date:

Jan 2. 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 The Hartford Steam Rniler

• of Hartford. Connecticuthave 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.

Inspection and Insurance Company Digitally signed by Hogstrom, Hog Strom, Robert (yh245o>

DN; cn=Hoflstrom, Robert Robert (YH2450) oth2450)

Commissions N.B. 9685 "C,I,N,R" Az 264 Date: 2016.01.02 14:36:52 -OrOO Date:

(Inspector's Signature)

Jan 2,2018 National Board, State. Province, and Endorsements PV.eor96 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 Item Number: L1.12 concrete during the IS" year 17-01704-001 documents 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 piece of wood embedded in the concrete since initial construction accordance with IWL-3300.

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 Class Item Description Description of Work Date Completed Repair/Replacement Plan Number 1

1JSIAPSV0469 Pressure Relief Valve swapped when it failed its Surveillance Test 10/25/2017 4793937-0 1

1MRCEX02 Replaced a nut on the Pressurizer Manway after failing its visual examination 11/02/2017 4795945-0 2

1SG011H020 Installed spacer to pipe support to achieve proper cold setting 10/31/2017 4943103-0 3

1PDGBV485 Replace broken U-bolt/support 01/20/2017 4816794-0 3

1MEWAE01 Weld Repair EW Heat Exchanger 10/21/2017 4793461-3 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 cross-connect spool 09/29/2016 4784036-0 3

1MDGBE05 Weld Repair Jacket Water Cooler 09/29/2016 4784036-0 3

1MDGBE04 Weld Repair Lube Oil Cooler 09/29/2016 4784036-0 3

1PSPAL079 Weld repair on existing spool 10/21/2017 3824445-0