ML18169A149

Inservice Inspection Report

ML18169A149
Person / Time
Site:	Calvert Cliffs
Issue date:	06/14/2018
From:	Laura Smith Exelon Generation Co
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
Download: ML18169A149 (8)

Text

., -~ ~-= "--Exelon Generation June 14, 2018 U. S. Nuclear Regulatory Commission ATIN: Document Control Desk Washington, DC 20555

Subject:

Calvert Cliffs Nuclear Power Plant, Unit No. 1 Renewed Facility Operating License No. DPR-53 NRG Docket No. 50-317 lnservice rnspection 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 1. 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, V 4 1:------" for Larry D. Smith Manager -Regulatory Assurance LDS/PSF/bjm

Enclosure:

(1) 2018 Owner's Activity Report for 1-RF0-22 lnservice Examinations cc: Mr. Robert Gavel cc: (Without Enclosure)

NRG Project Manager, Calvert Cliffs NRG Regional Administrator, Region I NRG Resident Inspector, Calvert Cliffs S. Gray, MD-DNR ENCLOSURE (1) 2018 OWNER 1 S ACTIVITY REPORT FOR 1-RF0-23 INSERVICE EXAMINATIONS Calvert Cliffs Nuclear Power Plant June 14, 2018 Calvert Cliffs Nuclear Power Plant, LLC 1650 Calvert Cliffs Parkway Lusby, MD 20657 ,g::.*-IExelonGcncration Fourth Interval/

Third Period lnservice Inspection Program and Second Interval / Third Period Containment IWE/IWL Program 2018 Owner's Activity Report for 1-RF0-23 lnservice Examinations Commercial Service Date: May 8, 1975 NRC Docket Number: 50-317 Document Number: CCNPP-1-0AR-004-023 Revision Number: 00 Prepared by: ___ 9-=~-1lJEl-"':,:..;.~--..___;;z;::,lfr---""""'t

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Jeffrey Mc~Materials Program Engineer Prepared by: __ ___.....th1Diba;.....,,..."-"-"'L-*......__"_l_*2./_1B

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_ Mark Weis -Corporate ISi Program Owner Prepared by: _-=1=~::;z~~~==~~

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_______ _ 7 Farah Syed -Corporate CISI Program Owner Approved by: __ "7_Maj __ . ____ ____ __.6.._.{

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Zemenu Deneke -Manager Engineering Programs Calvert Cliffs Nuclear Power Plant Unit 1 Fourth Interval/

Third Period lnservice Inspection CCNPP-1-0AR-004-023 Rev.GO /:,~; Exelon Generation, Second Interval/

Third Period Containment June 12, 2018 2018 Owner's Activity Report Page 2 of 6 for 1-RF0-23 lnservice Examinations Abstract This Owner's Activity Report (OAR) summarizes the results of the Calvert Cliffs Nuclear Power Plant (CCNPP), Unit 1, American Society of Mechanical Engineers (ASME), Boiler and Pressure Vessel Code--(B&PVC),Section XI, lnservice Inspection (ISi) examinations performed in Refueling Outage twenty-three (RF0-23) during the cycle from March 11, 2016 through March 17, 2018. RF0-23 is the only Unit 1 outage of the Third lnservice Inspection Period which began on October 10, 2016 and ends on June 30, 2019. RF0-23 is the fifth and final Unit 1 outage of the Fourth Ten-Year lnservice Inspection Interval, which began on October 10, 2009 and ends on June 30, 2019. This Owner's Activity Report (OAR) also summarizes the results of the CCNPP Unit 1, ASME, B&PVC,Section XI, Containment lnservice Inspection (GISI) examinations performed in RF0-23 during the period from September 9, 2015 through September 9, 2018. RF0-23 is the second Unit 1 outage of the Third Containment lnservice Inspection Period which began on September 9, 2015 and ends on September 9, 2018. RF0-23 is the fifth and final Unit 1 outage of the Second Ten-Year Containment lnservice Inspection Interval, which began on September 9, 2009 and ends on September 9, 2018. 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 Third Inspection Period of the Fourth ISi and Second GISI Intervals in accordance with Tables IWB-2412-1, IWC-2412-1, IWD-2412-1, IWE-2412-1, IWF-2410-2, and IWL-2521-1 and -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 1, 2018 Refueling Outage (RF0-23) 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.

Calvert Cliffs Nuclear Power Plant Unit 1 Fourth Interval/

Third Period lnservice Inspection CCNPP-1-0AR-004-023 . .;if{/Jjjj( Rev. 00 Second Interval/

Third Period Containment n~;? Exelon Generntion, June 12, 2018 2018 Owner's Activity Report for Page 3 of 6 Report Number Plant Unit No. (if applicable)

Current Inspection Interval Current Inspection Period 1-RF0-23 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 CCN P P-1-0AR-004-023 Calvert Cliffs Nuclear Power Plant May 8, 1975 Refueling Outage Number Fourth lnservice Inspection Interval -October 10, 2009 to June 30, 2019 (1", 2nd, 3rd, 4th, other) Third lnservice Inspection Period -October 10, 2016 to June 30, 2019 (1. 2nd, 3rd) Edition and Addenda of Section XI applicable to the Inspection Plans 2004 Edition, No addenda Date/ 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 RF0-23 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 RF0-23 conform to the requirements of Section XI (refueling outage number) Signed Zemenu Demeke -</j/(V\lj4J

{U!Vki,1\,1.,v Date June 12, 2018 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 f r any personal injury or property damage or a loss of any kind arising from or connected with this inspection

' Commissions NB 15304ANI, MD 1328 (Inspector's Signature)

National Board, State, Province, and Endorsements l'i Date June~ 2018 L Calvert Cliffs Nuclear Power Plant Unit 1 Fourth Interval / Third Period lnservice Inspection CCNPP-1-0AR-004-023

~. Rev. 00 Second Interval/

Third Period Containment

=t Exelon Generation.

June 12, 2018 2018 Owner's Activity Report for Page 4 of 6 Report Number Plant Unit No. 1-RF0-23 lnservice Examinations FORM OAR-1 OWNER'S ACTIVITY REPORT Second Interval/Third Period of Containment IWE-IWL lnservice Inspection Program As required by the provisions of the ASME Code Case N-532-4 Commercial Service Date CCN PP-1-0AR-004-023 Calvert Cliffs Nuclear Power Plant May 8, 1975 Refueling Outage Number RF0-23 (if applicable)

Current Inspection Interval Second lnservice Inspection Interval -September 9, 2009 to September 9, 2018 (1, 2"d, 3,d, 4th, other) Current Inspection Period ______ T_h_ir_d_l_n_s_e_rv_ic_e_ln_s.._p_e_c_ti_on_P_e_r_io_d_-_S_e.._p_te_m_b_e_r

_9.:..., 2_0_1_5_to_S_e.._p_te_m_b_e_r

_9._, _2_0_18 _____ _ . (1'1 , 2°d, 3'd) Edition and Addenda of Section XI applicable to the Inspection Plans Date/ Revision of Inspection Plans 2004 Edition, No addenda 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 (c) the repair/replacement activities and evaluations supporting the completion of RF0-23 conform to the requirements of Section XI (refueling outage number) Signed Date June 12, 2018 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 f r any personal injury or property damage or a loss of any kind arising from or connected with this inspection

__ .!,;t~~~~~~=:::_

_______ Commissions Date (Inspector's Signature)

'" June~*2018 NB 15304 ANI, MD 1328 National Board, State, Province, and Endorsements Calvert Cliffs Nuclear Power Plant Unit 1 Fourth Interval/

Third Period lnservice Inspection CCNPP-1-0AR-004-023 .iililiiiW" Rev.00 SR,~/ Exelon Generation.

Second Interval/

Third Period Containment June 12, 2018 2018 Owner's Activity Report Page 5 of 6 Examination Category B-N-3 F-A F-A F-A F-A F-A F-A E-A E-A L-B L-B L-B L-A for 1-RF0-23 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 Core Shroud Tie Rod Found Acceptance by Design Evaluation per B13.70 Disengaged ECP-18-000160 and Wesdyne Report CN-SDA-18-12 F1 .10C 14-SC-1 004-H-1 0 Acceptance by Design Evaluation per IWF-3112.3 Component Support (Reference ESR-18-000191)

F1.20B 4-Sl-1206-R-1 Acceptance by Design Evaluation per IWF-3112.3 Component Support (Reference IR 04103445 and CA01312) F1.20B H-14,R-19 Acceptance by Design Evaluation per IWF-3112.3 Component Support (Reference ESR-18-000193)

F1 .30B H-10, R-10, R-11 Acceptance by Design Evaluation per IWF-3112.3 Component Support (Reference ESR-18-000196)

F1 .30B A-1, A-4 Acceptance by Design Evaluation per IWF-3112.3 Component Support (Reference CA03495 and CA03332) F1 .30B R-7 Acceptance by Design Evaluation per IWF-3112.3 Component Support (Reference IR 04103991)

Acceptance by Design Evaluation per IWE-3500 E1 .11 Leak Chase Channels (Reference I Rs 041057 41 and 04110131 and ESR-18-000199)

E1 .11 Liner Plate Bulging Acceptance by Design Evaluation per IWE-3500 (Reference ESR-18-000198)

Tendon 3003 Found with 2 Accepted by Responsible Engineer (RPE) L2.20 Popped Tendon Wires Showing (Evaluation per IWL-3221 and documented in IR Level 5 Corrosion 02718917 and final report REP-1123-51 O) Tendon 35H25 Found to Have 1 Accepted by Responsible Engineer (RPE) L2.20 Missing Tendon Wire Not (Evaluation per IWL-3221 and documented in IR Previously Reported 04017816 and final report REP-1123-510)

Free Water (76oz.) was Found Accepted by Responsible Engineer (RPE) L2.50 (Evaluation per IWL-3221 and documented in IR Present in Tendon 3016 Cap 02732316 and final report REP-1123-510)

Accepted by Responsible Engineer (RPE) L 1.11 All Accessible Surface Areas (Evaluation per IWL-3211 and documented in final report REP-1123-510)

Calvert Cliffs Nuclear Power Plant Unit 1 Fourth Interval/

Third Period lnservice Inspection CCNPP-1-0AR-004-023 .i!.illffiiil.

Rev.GO Second Interval/

Third Period Containment

~/ Exelon Generation, June 12, 2018 2018 Owner's Activity Report Page 6 of 6 Code Class cc cc 3 3 3 3 for 1-RF0-23 lnservice Examinations Table 2 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 Primary Containment Tendons Unit 1 Containment Structure 12 Component Cooling Heat Exchanger (Salt Water Outlet) 12A SRW HX Vent Valve Unit 1 Salt Water System Piping (Above Ground) Unit 1 Salt Water System Piping (Above Ground) Description of Work Unit 1 Tendon Surveillance and Shim Replacement on Tendon 51H12 Concrete repair of an approximately 1.5" x 20' long void near buttress 3 and vent stack Repair the branch nipolet to 1 RV5208 with replacement parts Replace pipe nipple upstream of valve 1HVSW-387 Perform weld build-up on wasted area in weld neck flange located in salt water line LJ-1-1069 Perform weld build-up on wasted area in flange face located in salt water line LJ-1-1038 End of Owner's Activity Report for Refueling Outage 23 (RF0-23) Date Completed 11/2/2016 11/2/2016 5/20/2016 10/19/2016 2/28/2018 3/8/2018 R&R Plan Number 2016-1-034 2016-1-049 2016-1-039 2016-1-047 2018-1-014 2018-1-019