ML21036A153

Owners Activity Report for Cycle 13 Operation

ML21036A153
Person / Time
Site:	Browns Ferry
Issue date:	02/05/2021
From:	Rasmussen M Tennessee Valley Authority
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
Download: ML21036A153 (7)

Text

Tennessee Valley Authority, Post Office Box 2000, Decatur, Alabama 35609-2000 February 5, 2021 10 CFR 50.55a ATTN: Document Control Desk U.S. Nuclear Regulatory Commission Washington, D.C. 20555-0001 Browns Ferry Nuclear Plant, Unit 1 Renewed Facility Operating License No. DPR-33 NRC Docket No. 50-259

Subject:

American Society of Mechanical Engineers,Section XI, Third 10 Year Inspection Interval, Inservice Inspection, System Pressure Test, Containment Inspection, and Repair and Replacement Programs, Owners Activity Report for Browns Ferry Nuclear Plant, Unit 1, Cycle 13 Operation The Tennessee Valley Authority is submitting the Browns Ferry Nuclear Plant (BFN), American Society of Mechanical Engineers (ASME),Section XI, Owners Activity Report for BFN, Unit 1, Cycle 13 Operation. The report is contained in the enclosure to this letter and is in accordance with the requirements of ASME Code Case N-532-5, Repair/Replacement Documentation Requirements and Inservice Summary Report Preparation and Submission,Section XI, Division 1.

The report is an overview of the inservice examination results that were performed on components within the ASME Section XI boundary, up to and including the BFN, Unit 1, Cycle 13 refueling outage, during the second inspection period of the Third 10 Year Inspection Interval. The applicable provisions of the ASME Code Case N-532-5 require that this report be submitted within 90 calendar days of the completion of each refueling outage. The BFN, Unit 1, Cycle 13 refueling outage ended on November 7, 2020. Accordingly, this submittal is due by February 5, 2021.

U.S. Nuclear Regulatory Commission Page 2 February 5, 2021 There are no new regulatory commitments contained in this letter. Should you have any questions concerning this submittal, please contact J. L. Paul, Site Licensing Manager, at (256) 729-2636.

Respectfully, Matthew Rasmussen Site Vice President

Enclosure:

American Society of Mechanical Engineers,Section XI, Third 10 Year Inspection Interval, Inservice Inspection, System Pressure Test, Containment Inspection, and Repair and Replacement Programs, Owners Activity Report for Browns Ferry Nuclear Plant, Unit 1, Cycle 13 Operation cc (Enclosure): NRC Regional Administrator - Region II NRC Senior Resident Inspector - Browns Ferry Nuclear Plant NRC Project Manager - Browns Ferry Nuclear Plant p

y

Enclosure Tennessee Valley Authority Browns Ferry Nuclear Plant Unit 1 American Society of Mechanical Engineers,Section XI, Third 10 Year Inspection Interval, Inservice Inspection, System Pressure Test, Containment Inservice Inspection, and Repair and Replacement Programs, Owners Activity Report for Browns Ferry Nuclear Plant, Unit 1, Cycle 13 Operation See Enclosed

FORM OAR~1 OWNER'S ACTIVITY REPORT Report Numr.er_,,B,,_F..,_N,.,U.,_1'-'R.,_1,.,31..... ________________________________ _

Plant Browns Ferry Nuclear Plant. P.O. Box 2000. Decatur AL 35609 Commercial SC/\\liCi! date August 1, 1974 Rcruefing Outage no. ___..,U"-1,_,R..,_1'--'3"------

Current Inspect.ion Interval Third Ten Year lns~clion Interval Curren! Inspection Period.,.S""e,._co"'n~d..,_P-"'e,.,_rio"'d,,__ ______________________________ _

(h1. 2'nd. ~}

2007 Edition, 2008 Addenda {ISi}

Edition and Addenda of Section XI apphcabl<, b thc inspeclion plens ;1Jl.13~E=d=it=io=n~f=C=IS=l~l---------------~

O-TPP-ENG-376, Revision 01, 10/03/2019 O-Tl-364, Revision 22. 09/19/2018 Date and Revision of inspection plan O-Sl-4.6.G._B~sion 07. 10f04/2Q.2,.,0:...... __________________ _

Edition and Addenda of SccLlon XI applsC<Jbie to repairs/replacement :icliviLlcs, ir different I/Ian the lnspccticn plans.!!/a._

Code Cases used for inspection and evaluation: N-508-4, N-532-5. N-61 ~2. N-648-1, N-702, N-716-1. and N-751 t1r.JWi-c.a!,.,, fl"I~ a.scs ~!'ird t..--1 Ca1:0 IJ..S.l2 t.nd 1.11.,, fCVi!ii~r.:.)

CERTIFICATE OF CONFORMANCE I certify 1hat (a) tr.e stalenients 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 repa;r/replacement activities and evaluations supporung the completion or U1R13 conform to the requirements of Section XI.

CERTIFICATE OF IN SERVICE INSPECTION I, the undersigned. hclding a valid commission issued t,; tile National Board or Beiler and Pressure Vessel Inspectors Md employed by TM Hanrord Steam Boiler lnspecllon and lnswance Company or Hartford Connccti,ut have inspected the items described rn this Owners Activity Report and state that, to tho best cf my Koowiedge and belier, the Owner has performed a!l ;,cilvilies reprasented by this report in accordance with the requirements or Secticn XI.

By signing this certiflcale neither the Inspector nor his employer makes any warrnnty. c~pressed or implied, concerning the repairlraplacement acltvitics and evaluation described in this report fur!l1em1orc, nei:her the lnspec!or nor his employer shall be tiab!e In any manner for any personal injur/

or pro d

a c or a, loss o~nd arisi from or connected with this Inspection.

/1 Commissions rJ C) I ~9 I 7 "J., IV, f<.

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J4Jti~ lil 0""1l'd r~-nt:oierar.c.1Erldo(71(111tt1:

Date __

_,l/'--'1~.;-+-/_z..-'1 __ _

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FORM OAR-1 OWNER'S ACTIVITY REPORT TABLES Report Number*-* BFNU1R13 PI ant Browns Ferry Unit No.

1 Commercial service date 08/01/1974 Refueling outage no.

13 Current inspection interval

_3_r_d __

Current inspection period

_2_n_d ____ _

TABLE 1 ITEMS WITH FLAWS OR RELEVANT CONDITIONS THAT REQUIRE EVALUATIONS FOR CONTINUED SERVICE Examination Category and Item Number Item Description Evaluation Description N/A N/A N/A

FORM OAR-1 OWNER'S ACTIVITY REPORT TABLES Report Number

_B_F_N_U'--1:..:...R.:....:i.c:.3 ___ _____________ _____

Plant Browns Ferry Unit No.

1 Commercial service date 08/01/1974 Refueling outage no. _1_3 _

Current inspection interval 3rd Current inspection period

_2_n_d ____ _

TABLE 2 ABSTRACT OF REPAIR/REPLACEMENT ACTIVITIES REQUIRED FOR CONTINUED SERVICE Code Item Description Description of Work Date Repair/Replacement Class Completed Plan Number N-10 Nozzle (Stand-by Structural weld overlay 1

Liquid Control} NOi IAW Non-Mandatory 10-31-2020 121665266 U1R13-001 AppendixQ

FORM OAR~1 OWNER'S ACTIVITY REPORT TABLES Report Number 8FNU1 R 13 PI ant Browns Ferry Unit No.

1 Commercial service date 08/01/1974 Refueling outage no. _1-'-'3'----

Current inspection interval 3rd Current inspection period

-'2=n.c:.d:__ __

REPORTING REQUIRED BY 10 CFR 50.55a(b)(2)(ix)(A)

ASME Section XI, Subsection IWE Steel Containment Vessel Inspection program 10 CFR 50.55a(b )(2)(ix)(A) requires reporting of the degradation assessment for inaccessible areas when conditions are identified in accessible areas during the performance of the ASME Section XI, Subsection IWE Steel Containment Vessel (SCV)

Inspection Program that could indicate the presence of or result in degradation to such inaccessible areas.

During BFN U1 R13, there were no degradation assessments of inaccessible areas as a result of conditions identified in accessible areas during performance of the ASME Section XI, Subsection IWE SCV Inspection Program.