ML20363A156
| ML20363A156 | |
| Person / Time | |
|---|---|
| Site: | Calvert Cliffs  |
| Issue date: | 12/17/2020 |
| From: | Laura Smith Exelon Generation Co |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| Download: ML20363A156 (7) | |
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Exelon Generation December 17, 2020 U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555
Subject:
Calvert Cliffs Nuclear Power Plant, Unit No. 1 Renewed Facility Operating License No. DPR-53 NRC Docket No. 50-317 lnservice Inspection Report Larry D. Smith Manager-Regulatory Assurance Calvert Olffs Nudear Power P1ent 1650 Clllvert Orfu Parkway Lusby, MD 20657 410 495 5219 Office www exeloncorp.com Jarry smrth2@exeloncorp com
Reference:
- 1.
American Society of Mechanical Engineers, Boiler & Pressure Vessel Code,Section XI, Article IWA-6000 Pursuant to Reference 1, please find enclosed the lnservice Inspection Report for the Calvert Cliffs Nuclear Power Plant Unit 1.
Calvert Cliffs has completed a proprietary design analysis for continued operation of Units 1 and 2 beyond one cycle due to a disengaged Core Shroud lie Rod_ This analysis is available for review during the upcoming NRC lnservice Inspection scheduled for March 2021 _
There are no regulatory commitments contained in this letter.
Should you have questions regarding this matter, please contact Mr_ Larry D. Smith at (410) 495-5219.
Respectfully, 0'(~16~
Larry D. Smith Manager - Regulatory Assurance LDS/KLG/lmd
Enclosure:
(1) 2020 Owner's Activity Report for 1-RFO-25 lnservice Examinations A-D 4 J
- J/C ((_
Document Control Desk December 17, 2020 Page 2 cc:
(Without Enclosure}
NRC Project Manager, Calvert Cliffs NRC Regional Administrator, Region I NRC Resident Inspector, Calvert Cliffs S. Seaman, MD-DNR
ENCLOSURE (1) 2020 OWNER'S ACTIVITY REPORT FOR 1-RFO-25 INSERVICE EXAMINATIONS Calvert Cliffs Nuclear Power Plant December 17, 2020
Report Number Plant UnrtNo.
FORM OAR-1 OWNER'S ACTMTY REPORT CC1R25 Calvert Cliffs Nuclear Power Plant-1550 Calvert Clrffs Parkway Lusby, MD 20657 Commercial Se!vJce Date May 8, 1975 Refueflng Outage Number RF0-25 (rt appltcable)
ISi and Pressure Testing Fourth lnselVICEl Inspection Interval - October 10, 2009 to June 30, 2019 Containment lnservice Inspection Interval - Juy 1, 2009 to JI.Dle 30, 2019 ISi, Pressure Tes!Jng (PT), Contailment ISi Frflh lnservlce Inspection Interval - July 1, 2019 to June 30, 2029 Currant lnspecllon Interval (1, 2'"', 3rd, 4, other)
ISi and Pressure Tesbng Third lnserv1C0 Inspection Penod October 10, 2016 to June 30, 2019 Containment (GISI) Turd lnservice Penod, July 1, 2016 to Jt.me 30, 2019 Currant lnspecllon Penod _IS_l,~P_r_ess_u_re_T_es_tfng.....__.(_Pl)......._, _Co_nlaJ rment lS_I_F_Irs_t_lnservi_-.ce~lns.......,.pe_cb_on_P_enod
-_J_u~ly_1.,_1 _20_1_9_to_Ju_ne_30~, 2_0_22 ___
(1"', 2rxl, 3"')
Edmon and Addenda of Section XI appITcable to the Inspection Plans 2004 Edition, No addenda 2013 Edition No addenda ISi - Rev 00200 Dated August 9, 2015 and Rev 00200 Dated January 28, 2019 PT-Rev 00200 Dated October 23, 2014 and Rev. 00200 Dated January 28, 2019 CISI - Rev 00100 Dated February 6, 2014 Date I Revision of lnspectJon Plans ISi /PT/ CISI-Rev. 0 Dated June 131 2019 and Rev 1 Dated January 301 2020 Edmon and Addenda of Secbon XI appITcabfe to repair/replacement actlvrtJes, If dlffe~ than the inspection plans NIA Code Cases used Fourth Interval N-460, N-504-4, N-513-3, N-513-4, N-526, N-532-4, N-552, N-552-1, N-561-2, N-562-2, N-568-2, N-586-1, N-593, N-593-2, N-613-1, N-616, N-619, N-624, N-638-6, N-639, N-641, N-643-2, N-648-1, N-653-1, N-664, N-686--1, N-705, N-716, N-722-1, N-729-1, N-729-4, N-739, N-731, N-733, N-747, N-751, N-753, N-762, N-770-1, N-770-2, N-773, N-786, N-786-1, N-789, N-798, N-800, N-805, N-823, N-825, N-845 Fifth Interval N-432-1, N-513-4, N-516-3, N-532-5, N-561-2, N-562-2, N-569-1, N-593-2, N-597-2, N-613-2, N-638-6, N-639, N-641, N-643-2, N-648-1, N-651-1, N-661-2, N-666-1, N-705, N-716-1, N-731, N-733, N-747, N-749, N-751, N-771, N-773, N-786-1, N-789 N-798 N-800 N-805 N-825 N-845
CERTIFICATE OF CONFORMANCE I certify that (a) the statements made In this report are correct, (b) the examinations end tests, meet the Inspection Plan as required by the ASME Ccxle, Secbon XI, end (c) the repaa-/replacement activities and evaluations supporbng the completion of RF0-25 confoon to the requ1rements of Secbon XI (refueling outage number) ft i~~'t='
12/4/2020 Signed Travis Lefton -
Le on, Travis E J"&;;___
Date ISi Program Manager, CCNPP Nuclear Engi:Jeenng Program CERTIFICATE OF INSERVICE INSPECTION I, the undersigned, holding a vald commission Issued by the National Board of Botler and Pressure Vessel Inspectors end the state or Province of NY and employed by The Hartford Steam Boller of Hartford, Connecticut Inspection and Insurance Co.
have Inspected the Items described in hs o.mer's Actlvrty 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 Sectton XI By signing this certificate neither the Inspector nor his employer makes any warranty expressed or imp/led concerning the repair/
replacement activities end evaluaDon descrtbed In this report. Furthermore, neither the Inspector nor his employer shal be llable In any manner for any personal llljury or property damage or a loss of any kind arising from or connected wrth this Inspection P
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(lnspeclor'a Signature)
National Boerd, State, Prnw,ce, and Endoraementa Date 12/09/2020 Page 2 of 4
Table 1 Items with Flaws or Relevant Condition that Require Evaluation for Continued Service Exarriina~on Category and
- Item Description.
Evaluatlo~ Description Item Number Unit 1 Failed Core Design Analysis for Continued Operation of Unit 1 and 2 Beyond One OWN/RV!
Shroud Tie Rod Cycle due to Disengaged Core Shroud ne Rods. ECP-18-000534 8-P / 815 10 BAGG Leakage at 11A IWA-5251 Alternative Corrective Action for Leakage Identified at RCP RCP 11A, ECP-20-000141 8-P / 815.10 BAGG Leakage at 1-IWA-5251 Alternative Corrective Action for Leakage Identified at 1-MOV-644 MOV-644 Bolted Connection, ECP-20--000170 Page 3 of 4
Table 2 Abstract of Repairs, Replacements or Corrective Mea&!Jr&a Required for Continued Service
~
Code l~n:i ~ription Descrtp.~on :o~ ~ork Date R&RPlan
'
- crass
. :, Com~leted
- t." Number:
1 12A Sit tank Bolting Bolting Replaced after wastage 3/4/2020 2020-1-015 Replaced identified from boric acid leak.
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