ML21355A407

Day Inservice Inspection Report for Interval 4, Period 2, (81 R24)

ML21355A407
Person / Time
Site:	Byron
Issue date:	12/21/2021
From:	Kowalski J Exelon Generation Co
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
B1R24
Download: ML21355A407 (3)

Text

Byron Generating Station Exelon Generation 4450 North German Church Rd Byron, IL 61010-9794 www.exeloncorp.com December 21, 2021 LTR: BYRON 2021-0085 FILE: 1.10.0101 (10.101)

United States Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555-0001 Byron Station, Unit 1 Facility Operating License No. NPF-37 NRC Docket No. STN50-454

SUBJECT:

Byron Station Unit 1 90-Day lnservice Inspection Report for Interval 4, Period 2, (81 R24)

The subject 90-Day lnservice Inspection Report for the Byron Station Unit 1, Refueling Outage Twenty-Four (81 R24) is being submitted pursuant to the requirements of Article IWA-6000, "Records and Reports" of Section XI, "Rules for lnservice Inspection of Nuclear Power Plant Components," of the American Society of Mechanical Engineers Boiler and Pressure Vessel Code 2007 Edition / 2008 Addenda .

This letter provides a copy of Form OAR-1 Owner's Activity Report for inservice inspection activities performed during the previous fuel cycle. This report meets the requirements of the ASME Code Case N-532-5, "Repair/Replacement Activity Documentation Requirements and lnservice Summary Report Preparation and Submission." The report covers the inservice inspections conducted prior to and during the Unit 1 Fall 2021 refueling outage.

If there are any questions regarding this matter, please contact Ms. Zoe Cox, Regulatory Assurance Manager, at (815) 406-2800.

Respe14iL _

John J. Kowalski Site Vice President Byron Generating Station JJK/DNZC/sg Enclosure

FORM OAR-1 OWNER'S ACTIVITY REPORT Report N u m b e r _ ~ B = - 1 ~ R = 2 = - 4 ' - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Plant --=B'-'-y"'""ro,.,_n'-G=e'-'-ne=r-=a"'ti'-'-ng---=S=ta=t=io'""n"'-.-'-44--'-5=0"--'-'N=o-'--'rt""'h_,G=e=r.,_,_m=a""n:....;C=-h'""u=r-=c'-'-h--'-R.,,o=a=d"'-,=B.,_y:..::ro""n.._,=IL=-6=-1-'--'0=--1:...::0:........_ _ _ _ _ _ _ _ _ __

Unit No._ ___,_1___Commercial Service Date -~S=-e~p~te~m~b~e~r_1~6~,_1~98~5~-- Refueling Outage No. ----=B:...:1.,_R=2=-4:......._

(if appllcablo)

Current Inspection Interval -~F~o~u=-rt=-h_l_ns-p=-e=-c=ti~o_n_ln~t=e_rv~a_l~<l~S~I}~,_T_h_ird~ln~s~p~e~c=tio=n~In_te=rv~a_l<~C=-o_n_ta=-i_n_m~e~n~t_IS~I~)_ _ _ __

(1st. 2nd, 3rd, 4th, other)

Current Inspection Period ---=S=e=c-=o-'-'n=-d-'-ln:..:;S::.,D:..:e,,_,c:..:.ti=o"'n'-'P--'e=n..,_, *o,,_,d,,__,..(l=S"-I=a-'-'n=d_,C=o=n.,_,t=-a,.,_in""'m""'e=n.,_,t_,_l=S.:...il}_ _ _ _ _ _ _ _ _ _ _ _ __

(1st 2nd, 3rd)

Edition and Addenda of Section XI applicable to the inspection plans ASME Section XI 2007 Edition through 2008 Addenda Date and revision of inspection plans January 4th, 2017 I Rev. 1: August 18th, 20181 Rev. 2: October 30 th , 2020 Rev 0 Edition and Addenda of Section XI applicable to repair/replacement activities, if different than the inspection plans Same as above.

Code Cases used for inspection and evaluation: N-508-4, N-513-5, N-532-5, N-639, N-706-1, N-722-2. N-729-7, N-731, N-770-5 N-798 N-800.

(if applicable, in duding cases modifi ed by Case N -532 ar,d later revision s)

CERTIFICATE OF CONFORMANCE I certify that (a) the statements made in this report are correct; (b) the examinations and tests meetthe Inspection Plan as required by the ASME Code,Section XI; and (c) the repair/replacement activities and evaluations supporting the completion of B1R24 (refueling outage number) confonn to the r e q u i r e m ~

Signed/S"'"J Date _ _ 1 W'--'-_-2-_0_,;6_2-.._1_ _ _ _ _ __

Owner or Owners Oeslgnee Title 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 Hartford Steam Boiler Inspection and Insurance Company of Hartford, Connecticut have 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.

_(J-=:c.....,.........,a.=-,ttc=""'---"'W=--~-'---"'~-=-*---4,---- Commission __IV ----"'

d'"".1_1_~_ZZ=-'-- ,-/V

'--l?. __;;,___ 1_,_¢1 '--1_1(--=3_1--=C.= ------ - - - - -

~ lnspecto(sSi;:atur~ (National Board Number and Endorsement)

Date _ _ _ Z_.¢,__.()_<_c:-'z'-'-( _ __

TABLE 1 ITEMS WITH FLAWS OR RELEVANT CONDITIONS THAT REQUIRED EVALUATION FOR CONTINUED SERVICE Examination Category and Item Number Item Description Evaluation Description D-B/ D2.10 1DG01KA-X2 - SX leak from the IR 04390869 lower JW cooler TABLE 2 ABSTRACT OF REPAIR/REPLACEMENT ACTIVITIES REQUIRED FOR CONTINUED SERVICE Item Description Date Repair /Replacement Code Class Description of Work Completed Plan Number 3 1SXE5A REPLACE PIPE WITH 09/22/2021 WO 05027587-01 STAINLESS STEEL EC# 631322 3 1SX68AB PERFORM PRE-FAB / 09/19/2021 WO 05146523-04 INSTALL NEW PIPE.

3 1SXA3A REMOVE/ REPLACE 09/24/2021 WO 05110603-03 1SXA3A-6" AND 1SX311B-6" PIPING SPOOL.