ML17181A520

Third 10-Year Interval, Third Period: Owner'S Activity Report Number U2R20

ML17181A520
Person / Time
Site:	Palo Verde
Issue date:	06/30/2017
From:	Weber T Arizona Public Service Co
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
102-07533-TNW/CJS U2R20
Download: ML17181A520 (5)

Text

10 CFR 50.55a Qaps Palo Verde Nuclear Generating Station P.O. Box 52034 Phoenix, AZ 85072 Mail SUtkNi 7636 102-07533-TNW/aS Tel: (623) 393-5764 June 30, 2017 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 U2R20 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 Unit 2 refueling outage 20 (U2R20). The outage ended on May 8, 2017.

No commitments are being made to the NRC by this letter. Should you need further information regarding this submittal, please contact me at (623) 393-5764.

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

Thomas DN: cn=Weber, Thomas N(Z00499)

Reason: I am approving this document N(Z00499) Date: 2017.06.30 15:53:36 -0700' Thomas N. Weber Department Leader, Regulatory Affairs TNW/as/msa

Enclosure:

Unit 2 Twentieth Refueling Outage Owner's Activity Report, Report U2R20 cc: K. M. Kennedy NRC Region IV Regional Administrator S. P. Ungam NRC NRR Project Manager for PVNGS M. M. Watford NRC NRR Project Manager 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 Twentieth Refueiing Outage Owner's Activity Report Report U2R20

FORM OAR-1 OWNERS ACTIVITY REPORT Report Number: 2R20 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.: 20 (if applicable)

Current inspection interval IWB, IWC, IWD, IWF = 3rd, IWE, IWL = 2nd (1. 2", 3', 4*. Other)

Current Inspection period IWB, IWC, IWD, IWE, IWF = 3rd, IWL = 2nd (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 - 11/4/15 R5, Press Test - 3/19/14 R4, IWE - 9/22/15 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-532-4 (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 U2R20____ conform to the requirements of Section XI, (refueling outage number)

Lpnrnsn, Wil ism DigitallysignedbyLehm3n,WilliamT{Z60076)

^ ON: cn=Lehman, William T(Z60076)

V / ^^\ Reason: I am the author of this document T(Z60076) Date: 2017.06.15 08:12:23 -OrOtt 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 the State or Province of_____ Arizonaand employed by The Hartford Steam Boiler *of Hartford. Connecticuthave 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 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 Commissions nb 9685 "a,n,i,C" Az 264 (Inspectors Signature) National Board, State, Province, and Endorsements Date:

PV-E0796Ver. 1

Palo Verde Nuclear Generating Station Owners Activity Report - Unit 2 Refueling Outage 20 Table 1 Items with Flaws or Relevant Conditions that Required Evaluation for Continued Service Examination Category Item Number Description of Work Evaluation Description None None None None

Table 2 Abstract of Repair/Replacement Activities Required for Continued Service Code Item Description of Work Date Repafr/Replacement Class Description Completed Plan Number 1 2MRCEE01A Plug tubes in SG 1 Hot Leg side 5/2/2017 4737753 1 2MRCEE01A Plug tubes in SG 1 Cold Leg side 5/2/2017 4737754 1 2MRCEE01B Plug tubes in SG 2 Hot Leg side 5/2/2017 4737755 1 2MRCEE01B Plug tubes in SG 2 Cold Leg side 5/2/2017 4737756 1 2CH005H022 Cotter pin missing on strut to hanger 4/29/2017 4881924 welded attachment 2 2SI067H003 Lock nut found loose during visual 4/25/2017 4880175 inspection 3 2SP104H009 Spring Can was found out of 4/1/2016 4748775 acceptable setting range 3 2PSPAL079 Fabricate and install new spool, orifice 4/25/2017 3824468 and bypass lines.

3 2MDGBE01A Perform weld repairs due to corrosion 3/25/2016 4712015 on intercooler A 3 2MDGBE01A/B Perform weld repairs due to corrosion 3/25/2016 4712015 on the intercooler cross connect spools 3 2MDGBE01B Perform weld repairs due to corrosion 3/25/2016 4712015 on intercooler B 3 2MDGBE04 Perform weld repairs due to corrosion 3/25/2016 4712015 on lube oil heat exchanger 3 2MDGBE05 Perform weld repairs due to corrosion 3/25/2016 4712015 on jacket water heat exchanger 3 2PC005H015 Snubber failed functional test 2/15/2017 4713370 3 2MEWAE01 Weld repairs required due to 4/24/2017 4730997 corrosion