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| document type = Inservice/Preservice Inspection and Test Report, Letter
| document type = Inservice/Preservice Inspection and Test Report, Letter
| page count = 8
| page count = 8
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=Text=
{{#Wiki_filter:Exelon June 5, 2017 U. S. Nuclear Regulatory Commission A TIN: 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 Cliffs Nuclear Power Plant 1650 Calvert Cliffs Parkway Lusby, MD 20657 410 495 5219 Office www.exeloncorp.com larry.smith2@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 2. 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, Czthb $-."L-Manager -Regulatory Assurance LDS/PSF/bjm
==Enclosure:==
(1) 2017 Owner's Activity Report for 2-RF0-21 lnservice Examinations cc: Mr. Robert Gavel cc: (Without Enclosure) NRC Project Manager, Calvert Cliffs NRC Regional Administrator, Region I NRC Resident Inspector, Calvert Cliffs S. Gray, MD-DNR ENCLOSURE (1) 2017 OWNER'S ACTIVITY REPORT FOR 2-RF0-21 INSERVICE EXAMINATIONS Calvert Cliffs Nuclear Power Plant June 5, 2017 Calvert Cliffs Nuclear Power Plant, JLc 1650 Calvert Cliffs Parkway Lusby, MD 20657 Fourth Interval I Third Period lnservice Inspection Program and Second Interval I Third Period Containment IWE/IWL Program 2017 Owner's Activity Report for 2-RF0-21 lnservice Examinations Commercial Service Date: April 1, 1977 NRC Docket Number: 50-318 Document Number: CCNPP 0AR-004-021 Revision Number: 00 Prepared by: ':J-.____ ________ _ JeffrEkf ISi Pr0gram Owner Approved by: ___ \::>_\_'LJ= __ ____ c.#-/-z_(i _, _________ _ Kurt Bodine -Manager Engineering Programs I I I Calvert Cliffs Nuclear Power PlantlUnit 2 CCNPP 0AR-004-021 .. Fourth Interval I Third Period lnservice Inspection Rev. 00 Second Interval I Third Period Containment June 2, 2017 Exelon Generation. 2017 Owner's Activity Report Page 2 of 6 for RF0-21 lnservice Examinations Abstract This Owner's Activity Report (OAR) summarizes the results of the Calvert Cliffs Nuclear Power Plant (CCNPP), Unit 2, American Society of Mechanical Engineers (ASME), Boiler and Pressure Vessel Code (B&PVC), Section XI, lnservice Inspection (ISi) examinations performed in Refueling Outage twenty one (RF0-21) during the period from March 10, 2015 through March 05, 2017 of the Third lnservice Inspection Period beginning on October 10, 2016 and ending on June 30, 2019, and the Fourth outage of the Fourth Ten-Year lnservice Inspection Interval beginning on October 10, 2009 and ending on June 30, 2019. This report complies with all requirements set forth by ASME B&PVC, Section XI 2004 Edition no Addenda, and Article IWA-6000 as modified by ASME Code Case N-532-4 "Repair/Replacement Activity Documentation Requirements and lnservice Summary Report Preparation and Submission." In accordance with ASME Section XI, IWB-2400, IWC-2400, IWD-2400, IWE-2400, IWF-2400, and IWL-2400, Tables IWB-2500-1, IWC-2500-1, IWD-2500-1, IWE-2500-1, IWF-2500-1, and IWL-2500-1, and those examinations which CCNPP has requested and received approval in the form of requests for relief or alternates, the required examinations in each examination category have been completed for the First outage of the Third Inspection Period of the Fourth Inspection Interval in accordance with Tables IWB-2412-1, IWC-2412-1, IWD-2412-1, IWE-2412-1, IWF-2410-2, and IWL-2521-2. Owner's Activity Reports -Form OAR-1 The Owner's Activity Report, Form OAR-1, was prepared and certified upon completion of examination activities conducted during the Calvert Cliff's Nuclear Power Plant Unit 2, 2017 Refueling Outage (RF0-21) in accordance with the following inspection program plans: Fourth Interval lnservice Inspection Program Plan Second Interval Containment lnservice Inspection Program Plan Fourth Interval lnservice Inspection Pressure Testing Program Plan In addition to the Owner's Activity Report, Form OAR-1, the following Tables are also included: a. Items with Flaws or Relevant Conditions that Require Evaluation for Continued Service, Table 1, which provides a listing of item(s) with flaws or relevant conditions that required evaluation to determine acceptability for continued service, whether or not the flaw or relevant condition was discovered during a scheduled examination or test, and provides such information as Examination Category, Examination Item Number, Item Description, Flaw Characterization (as required by IWA-3300). b. Abstract of Repairs, Replacements or Corrective Measures Required for Continued Service, Table 2, which identifies those items containing flaws or relevant conditions that exceeded the ASME XI acceptance criteria (IWB-3000, IWC-3000, IWD-3000, IWE-3000, IWF-3000, and IWL-3000); even though the discovery of the flaw or relevant condition that necessitated the repair, replacement, or corrective measure may not have resulted from an examination or test required by ASME Section XI, and provides such information as Code Class, item description, description of work, date completed, and the repair replacement plan number.
I I I Calvert Cliffs Nuclear Power Plant Unit 2 CCNPP 0AR-004-021 Fourth Interval I Third Period lnservice Inspection 4fH' Rev. 00 Second Interval I Third Period Containment June 2, 2017 Exelon Generation. 2017 Owner's Activity Report Page 3 of 6 Report Number Plant Unit No. 2 (if applicable) Current Inspection Interval Current Inspection Period for RF0-21 lnservice Examinations FORM OAR-1 OWNER'S ACTIVITY REPORT Fourth Interval/Third Period of lnservice Inspection Program As required by the provisions of the ASME Code Case N-532-4 Commercial Service Date CCNPP 0AR-004-021 Calvert Cliffs Nuclear Power Plant April 1, 1977 Refueling Outage Number Fourth lnservice Inspection Interval -October 10, 2009 to June 30, 2019 (131, 2°8, 3rd, 41h, other) Third lnservice Inspection Period -October 10, 2016 to June 30, 2019 (1'1, 2"*, 3**) Edition and Addenda of Section XI applicable to the Inspection Plans 2004 Edition, No addenda Date I Revision of Inspection Plans Rev. 2 Ch. 0 Dated August 19, 2015 Edition and Addenda of Section XI applicable to repair/replacement activities, if different than the inspection plans RF0-21 N/A Code Cases used: N-460, N-532-4, N-513-3, N-566-2, N-616, N-624, N-639, N-686-1, N-716, N-722-1, N-729-1, N-747, N-753, N-552, and N-586-1 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 RF0-21 conform to the requirements of Section XI (refueling outage number) Signed Kurt Bodine -]) \3ycsl.; Date June 2, 2017 Manager, CCNPP Nuclear Engineering Programs 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 Maryland and employed by The Hartford Steam Boiler of Hartford, Connecticut Inspection and Insurance Co. 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 NB 15304 ANI, MD 1328 National Board, State, Province, and Endorsements Date June 2, 2017 I I I Calvert Cliffs Nt4clear Power Plant Unit 2 Fourth Interval/ Third Period lnservice Inspection CCN PP 0AR-004-021 41/iif/ Rev.00 :;;;: Exelon Generation, Second Interval/ Third Period Containment June 2, 2017 2017 Owner's Activity Report for Page 4 of 6 RF0-21 lnservice Examinations FORM OAR-1 OWNER'S ACTIVITY REPORT Second lnterval!Third Period of Containment IWE/L lnservice Inspection Program As required by the provisions of the ASME Code Case N-532-4 Report Number CCNPP 0AR-004-021 Plant Unit No. Commercial Service -------Date (if applicable) 2 Calvert Cliffs Nuclear Power Plant April 1, 1977 Refueling Outage ------------Number RF0-21 Current Inspection Interval Second lnservice Inspection Interval -9, 2009 to September 9, 2018 (1'\ 2"', 3'0, 4 ",other) Current Inspection Period ______ T_h_i_rd_ln_s_e_rv_ic_e_l_n_s._p_ec_t_io_n_P_e_* r_io_d_-.,.,....S_e.,e,o.-te.,,,m...,-be_r_9 ...... 2_0_1_8 _____ _ (1'1, 2.la, 3'') Edition and Addenda of Section XI applicable to the Inspection Plans 2004 Edition, No addenda Date I Revision of Inspection Plans Rev. 1 Dated Feb. 6, 2014 Edition and Addenda of Section XI applicable to repair/replacement activities, if different than the Inspection plans Code Cases used: N-532-4, N-624, N-686-1, N-739, N-753 CERTIFICATE OF CONFORMANCE N/A 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© the repair/replacement activities and evaluations supporting the completion of RF0-21 conform to the requirements of Section XI (refueling outage number) -Signed Kurt Bodine -Date June 2, 2017 Manager, CCNPP Nuclear Engineering Programs 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 Maryland and employed by The Hartford Steam Boiler of Hartford, Connecticut Inspection and Insurance Co. 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 ny_personal injury or property damage or a loss of any kind arising from or connected with this inspection c,,C,.:.. Commissions NB 15304 ANI, MD 1328 (Inspector's Signature) National Board, State, Province, and Endorsements Date June 2, 2017 Calvert Cliffs Nuclear Power Plant Unit 2 4lfiiW CCNPP 0AR-004-021 Rev.OD ;:;* Exelon Generation. Fourth Interval I Third Period lnservice Inspection Second Interval I Third Period Containment 2017 Owner's Activity Report June 2, 2017 Page 5 of 6 Examination Category R-A F-A F-A L-B for RF0-21 lnservice Examinations Table 1 Items with Flaws or Relevant Condition that Require Evaluation for Continued Service As required by the provisions of the ASME Code Case N-532-4 Item Item Description Evaluation Description Number R1 .11 Charging Nozzle 21 A Acceptance by Design Evaluation per IWB-3600 Dissimilar Metal Weld (ECP-17-000151) F1.20C 10-S 1*2003 R-15 Acceptance by Design Ev_aluation per IWF-3112.3 (ECP-Component Support 17-000123) F1.20B 1 O-SC-2014 H-7, R-6 Acceptance by Design Evaluation per IWF-3112.3 (ECP-Component Support 17-000123) L2.30 Tend on 35H25 Accepted by Responsible Engineer (APE) (Evaluation per IWL-3300 and documented on IR 04017816)
I I I Calvert Cliffs Nuclear Power Plant Unit 2 I Fourth Interval I Third Period lnservice Inspection CCNPP 0AR-004-021 Rev. 00 Exelon Generation. Second Interval I Third Period Containment June 2, 2017 2017 Owner's Activity Report Page 6 of 6 Code Class 3 for RF0*21 lnservice Examinations Table2 Abstract of Repairs, Replacements or Corrective Measures Required for Continued Service as required by the provisions of the ASME Code Case N*532*4 Item Description 2-LJ1-2010 Piping Segment Description of Work 2-LJ1-2010 Through-wall Defect Repair and Weld Build-Up --End of Owner's Activity Report for Refueling Outage 21 (RF0-21) Date Completed 3/4/2017 R&R Plan Number 2017 011 -----
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Revision as of 07:27, 27 April 2018

Clavert Cliffs, Unit 1 - Inservice Inspection Report
ML17159A525
Person / Time
Site: Calvert Cliffs Constellation icon.png
Issue date: 06/05/2017
From: Smith L D
Exelon Generation Co
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
CCNPP-2-OAR-004-021, Rev. 00
Download: ML17159A525 (8)


Text

Exelon June 5, 2017 U. S. Nuclear Regulatory Commission A TIN: 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 Cliffs Nuclear Power Plant 1650 Calvert Cliffs Parkway Lusby, MD 20657 410 495 5219 Office www.exeloncorp.com larry.smith2@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 2. 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, Czthb $-."L-Manager -Regulatory Assurance LDS/PSF/bjm

Enclosure:

(1) 2017 Owner's Activity Report for 2-RF0-21 lnservice Examinations cc: Mr. Robert Gavel cc: (Without Enclosure) NRC Project Manager, Calvert Cliffs NRC Regional Administrator, Region I NRC Resident Inspector, Calvert Cliffs S. Gray, MD-DNR ENCLOSURE (1) 2017 OWNER'S ACTIVITY REPORT FOR 2-RF0-21 INSERVICE EXAMINATIONS Calvert Cliffs Nuclear Power Plant June 5, 2017 Calvert Cliffs Nuclear Power Plant, JLc 1650 Calvert Cliffs Parkway Lusby, MD 20657 Fourth Interval I Third Period lnservice Inspection Program and Second Interval I Third Period Containment IWE/IWL Program 2017 Owner's Activity Report for 2-RF0-21 lnservice Examinations Commercial Service Date: April 1, 1977 NRC Docket Number: 50-318 Document Number: CCNPP 0AR-004-021 Revision Number: 00 Prepared by: ':J-.____ ________ _ JeffrEkf ISi Pr0gram Owner Approved by: ___ \::>_\_'LJ= __ ____ c.#-/-z_(i _, _________ _ Kurt Bodine -Manager Engineering Programs I I I Calvert Cliffs Nuclear Power PlantlUnit 2 CCNPP 0AR-004-021 .. Fourth Interval I Third Period lnservice Inspection Rev. 00 Second Interval I Third Period Containment June 2, 2017 Exelon Generation. 2017 Owner's Activity Report Page 2 of 6 for RF0-21 lnservice Examinations Abstract This Owner's Activity Report (OAR) summarizes the results of the Calvert Cliffs Nuclear Power Plant (CCNPP), Unit 2, American Society of Mechanical Engineers (ASME), Boiler and Pressure Vessel Code (B&PVC),Section XI, lnservice Inspection (ISi) examinations performed in Refueling Outage twenty one (RF0-21) during the period from March 10, 2015 through March 05, 2017 of the Third lnservice Inspection Period beginning on October 10, 2016 and ending on June 30, 2019, and the Fourth outage of the Fourth Ten-Year lnservice Inspection Interval beginning on October 10, 2009 and ending on June 30, 2019. This report complies with all requirements set forth by ASME B&PVC,Section XI 2004 Edition no Addenda, and Article IWA-6000 as modified by ASME Code Case N-532-4 "Repair/Replacement Activity Documentation Requirements and lnservice Summary Report Preparation and Submission." In accordance with ASME Section XI, IWB-2400, IWC-2400, IWD-2400, IWE-2400, IWF-2400, and IWL-2400, Tables IWB-2500-1, IWC-2500-1, IWD-2500-1, IWE-2500-1, IWF-2500-1, and IWL-2500-1, and those examinations which CCNPP has requested and received approval in the form of requests for relief or alternates, the required examinations in each examination category have been completed for the First outage of the Third Inspection Period of the Fourth Inspection Interval in accordance with Tables IWB-2412-1, IWC-2412-1, IWD-2412-1, IWE-2412-1, IWF-2410-2, and IWL-2521-2. Owner's Activity Reports -Form OAR-1 The Owner's Activity Report, Form OAR-1, was prepared and certified upon completion of examination activities conducted during the Calvert Cliff's Nuclear Power Plant Unit 2, 2017 Refueling Outage (RF0-21) in accordance with the following inspection program plans: Fourth Interval lnservice Inspection Program Plan Second Interval Containment lnservice Inspection Program Plan Fourth Interval lnservice Inspection Pressure Testing Program Plan In addition to the Owner's Activity Report, Form OAR-1, the following Tables are also included: a. Items with Flaws or Relevant Conditions that Require Evaluation for Continued Service, Table 1, which provides a listing of item(s) with flaws or relevant conditions that required evaluation to determine acceptability for continued service, whether or not the flaw or relevant condition was discovered during a scheduled examination or test, and provides such information as Examination Category, Examination Item Number, Item Description, Flaw Characterization (as required by IWA-3300). b. Abstract of Repairs, Replacements or Corrective Measures Required for Continued Service, Table 2, which identifies those items containing flaws or relevant conditions that exceeded the ASME XI acceptance criteria (IWB-3000, IWC-3000, IWD-3000, IWE-3000, IWF-3000, and IWL-3000); even though the discovery of the flaw or relevant condition that necessitated the repair, replacement, or corrective measure may not have resulted from an examination or test required by ASME Section XI, and provides such information as Code Class, item description, description of work, date completed, and the repair replacement plan number.

I I I Calvert Cliffs Nuclear Power Plant Unit 2 CCNPP 0AR-004-021 Fourth Interval I Third Period lnservice Inspection 4fH' Rev. 00 Second Interval I Third Period Containment June 2, 2017 Exelon Generation. 2017 Owner's Activity Report Page 3 of 6 Report Number Plant Unit No. 2 (if applicable) Current Inspection Interval Current Inspection Period for RF0-21 lnservice Examinations FORM OAR-1 OWNER'S ACTIVITY REPORT Fourth Interval/Third Period of lnservice Inspection Program As required by the provisions of the ASME Code Case N-532-4 Commercial Service Date CCNPP 0AR-004-021 Calvert Cliffs Nuclear Power Plant April 1, 1977 Refueling Outage Number Fourth lnservice Inspection Interval -October 10, 2009 to June 30, 2019 (131, 2°8, 3rd, 41h, other) Third lnservice Inspection Period -October 10, 2016 to June 30, 2019 (1'1, 2"*, 3**) Edition and Addenda of Section XI applicable to the Inspection Plans 2004 Edition, No addenda Date I Revision of Inspection Plans Rev. 2 Ch. 0 Dated August 19, 2015 Edition and Addenda of Section XI applicable to repair/replacement activities, if different than the inspection plans RF0-21 N/A Code Cases used: N-460, N-532-4, N-513-3, N-566-2, N-616, N-624, N-639, N-686-1, N-716, N-722-1, N-729-1, N-747, N-753, N-552, and N-586-1 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 RF0-21 conform to the requirements of Section XI (refueling outage number) Signed Kurt Bodine -]) \3ycsl.; Date June 2, 2017 Manager, CCNPP Nuclear Engineering Programs 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 Maryland and employed by The Hartford Steam Boiler of Hartford, Connecticut Inspection and Insurance Co. 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 NB 15304 ANI, MD 1328 National Board, State, Province, and Endorsements Date June 2, 2017 I I I Calvert Cliffs Nt4clear Power Plant Unit 2 Fourth Interval/ Third Period lnservice Inspection CCN PP 0AR-004-021 41/iif/ Rev.00 :;;;: Exelon Generation, Second Interval/ Third Period Containment June 2, 2017 2017 Owner's Activity Report for Page 4 of 6 RF0-21 lnservice Examinations FORM OAR-1 OWNER'S ACTIVITY REPORT Second lnterval!Third Period of Containment IWE/L lnservice Inspection Program As required by the provisions of the ASME Code Case N-532-4 Report Number CCNPP 0AR-004-021 Plant Unit No. Commercial Service -------Date (if applicable) 2 Calvert Cliffs Nuclear Power Plant April 1, 1977 Refueling Outage ------------Number RF0-21 Current Inspection Interval Second lnservice Inspection Interval -9, 2009 to September 9, 2018 (1'\ 2"', 3'0, 4 ",other) Current Inspection Period ______ T_h_i_rd_ln_s_e_rv_ic_e_l_n_s._p_ec_t_io_n_P_e_* r_io_d_-.,.,....S_e.,e,o.-te.,,,m...,-be_r_9 ...... 2_0_1_8 _____ _ (1'1, 2.la, 3) Edition and Addenda of Section XI applicable to the Inspection Plans 2004 Edition, No addenda Date I Revision of Inspection Plans Rev. 1 Dated Feb. 6, 2014 Edition and Addenda of Section XI applicable to repair/replacement activities, if different than the Inspection plans Code Cases used: N-532-4, N-624, N-686-1, N-739, N-753 CERTIFICATE OF CONFORMANCE N/A 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© the repair/replacement activities and evaluations supporting the completion of RF0-21 conform to the requirements of Section XI (refueling outage number) -Signed Kurt Bodine -Date June 2, 2017 Manager, CCNPP Nuclear Engineering Programs 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 Maryland and employed by The Hartford Steam Boiler of Hartford, Connecticut Inspection and Insurance Co. 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 ny_personal injury or property damage or a loss of any kind arising from or connected with this inspection c,,C,.:.. Commissions NB 15304 ANI, MD 1328 (Inspector's Signature) National Board, State, Province, and Endorsements Date June 2, 2017 Calvert Cliffs Nuclear Power Plant Unit 2 4lfiiW CCNPP 0AR-004-021 Rev.OD ;:;* Exelon Generation. Fourth Interval I Third Period lnservice Inspection Second Interval I Third Period Containment 2017 Owner's Activity Report June 2, 2017 Page 5 of 6 Examination Category R-A F-A F-A L-B for RF0-21 lnservice Examinations Table 1 Items with Flaws or Relevant Condition that Require Evaluation for Continued Service As required by the provisions of the ASME Code Case N-532-4 Item Item Description Evaluation Description Number R1 .11 Charging Nozzle 21 A Acceptance by Design Evaluation per IWB-3600 Dissimilar Metal Weld (ECP-17-000151) F1.20C 10-S 1*2003 R-15 Acceptance by Design Ev_aluation per IWF-3112.3 (ECP-Component Support 17-000123) F1.20B 1 O-SC-2014 H-7, R-6 Acceptance by Design Evaluation per IWF-3112.3 (ECP-Component Support 17-000123) L2.30 Tend on 35H25 Accepted by Responsible Engineer (APE) (Evaluation per IWL-3300 and documented on IR 04017816)

I I I Calvert Cliffs Nuclear Power Plant Unit 2 I Fourth Interval I Third Period lnservice Inspection CCNPP 0AR-004-021 Rev. 00 Exelon Generation. Second Interval I Third Period Containment June 2, 2017 2017 Owner's Activity Report Page 6 of 6 Code Class 3 for RF0*21 lnservice Examinations Table2 Abstract of Repairs, Replacements or Corrective Measures Required for Continued Service as required by the provisions of the ASME Code Case N*532*4 Item Description 2-LJ1-2010 Piping Segment Description of Work 2-LJ1-2010 Through-wall Defect Repair and Weld Build-Up --End of Owner's Activity Report for Refueling Outage 21 (RF0-21) Date Completed 3/4/2017 R&R Plan Number 2017 011 -----