NL-12-1266, Inservice Inspection Program, Owner'S Activity Report for Outage 1R25

Inservice Inspection Program, Owner'S Activity Report for Outage 1R25

ML12167A092
Person / Time
Site:	Hatch
Issue date:	06/14/2012
From:	Ajluni M Southern Co, Southern Nuclear Operating Co
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
NL-12-1266
Download: ML12167A092 (9)

Text

Mark J. Ajluni, P.E. Southern Nuclear Nuclear Licensing Director Operating Company. Inc.

40 Inverness Center Parkway Post Office Box 1295 Birmingham. Alabama 35201 Tel 205.992.7673 Fax 205.992.7885 SOUTHERN'\'

June 14, 2012 COMPANY Docket No.: 50-321 NL-12-1266 U. S. Nuclear Regulatory Commission ATIN: Document Control Desk Washington, D. C. 20555-0001 Edwin L Hatch Nuclear Plant - Unit 1 Inservice Inspection Program Owner's Activity Report for Outage 1R25 Ladies and Gentlemen:

Enclosed is the ASME Section XI Code Case N-532-4 OAR-1 Owner's Activity Report for the 1R25 Refueling Outage. There are no items to report for Table 1, "Items with Flaws or Relevant Conditions that Required Evaluation for Continued Service." Repair/Replacement activities did occur during Cycle 25 and are addressed in Table 2, "Abstract of Repairs, Replacement, or Corrective Measures Required for Continued Service."

This report is for the second period of the 4th Interval lSI activities (Interval 4, Period 2, Outage 2).

This letter contains no NRC commitments. If you have any questions, please contact Jack Stringfellow at (205) 992-7037.

Respectfully submitted, M. J. Ajluni Nuclear Licensing Director MJAlRMJ/lac

Enclosures:

1. 1 R25 Form OAR-1 Owner's Activity Report

2. 1R25 Form OAR-1 Owner's Activity Report, Table 1, Items with Flaws or Relevant Conditions that Required Evaluations for Continued Service

3. 1R25 Form OAR-1 Owner's Activity Report, Table 2, Abstract of Repairs, Replacement, or Corrective Measures Required for Continued Service

U. S. Nuclear Regulatory Commission NL-12-1266 Page 2 cc: Southern Nuclear Operating Company Mr. S. E. Kuczynski, Chairman, President & CEO Mr. D. G. Bost, Executive Vice President & Chief Nuclear Officer Mr. D. R. Madison, Vice President - Hatch Mr. B. L. Ivey, Vice President - Regulatory Affairs Mr. B. J. Adams, Vice President - Fleet Operations RTYPE: CHA02.004 U. S. Nuclear Regulatory Commission Mr. V. M. McCree, Regional Administrator Mr. P. G. Boyle, NRR Senior Project Manager - Hatch Mr. E. D. Morris, Senior Resident Inspector - Hatch

Edwin I. Hatch Nuclear Plant - Unit 1 Inservice Inspection Program Owner's Activity Report for Outage 1R25 Enclosure 1 1R25 Form OAR-1 Owner's Activity Report

FORM OAR-1 OWNER'S ACTIVITY REPORT Report Number 14-2-2 (UnIt 1, 4TB Jaten'al, "jfD Period, lND Report)

Owner Souther. Nuclear Operadlll CO, (II Blut Cor Geargla Power CompaDY,. 40 lJIverness Center Parkway, Birmingham, AL 35242 Plant Edwin I. Hatch Nne.ear PlaDt, P. O. Box 2010. Baxley, Georgia 31!13 Unit No. 1 Commercial service date 1ll31nS Re1Ueling outage no.

(if applicable) ------ lR25 Cummt inspection interval Cur,rent inspection period Edition and Addenda of Section XI applicable to the inspection plans lOOI Edltfoa with 2003 Addenda Date and revision of inspection plans YoIuIw 1: 418111 Ver 3.0; JI,hI",. 2: 418111 Ver 3.0; JltIIlIme J: 4/12/11 Ver 3.0; JlDIIIIM 4: 1218111 Ver S.Oj JloJ"". 5: 4/14111 Vcr S.O; Jloillme 6: 418111 Vet 6.0 Edition and Addenda of Section XI applicable to repairheplacement activities. if different than the inspection plans Same Code Cases used: N-46O, N:6e, N-532-4. N-51l-3, 24'76

..cif applicable)

CERTD1CATE OF CONFORMANCE I certifY that (a) the statements made in this report are com:c:t; (b) the examinations and tests meet the Inspection Plan as required by the ASME Code, Section Xl; and (c) the repairlreplacement activities and evaluations supporting the completion of lRl5 conform to the requirements of Section XI.

Signed Date CERTD'lCATE OF INSERVICE INSPECTION I. the undersigned. holding a valid conpnission issued by the National Board of Boiler and Pressure Vessel Inspectors and the State or Province of ~ and employed by ~ of Hartford. CT have inspected tho items described in this Owner's Activity Report, and state that. to the best of my knowledp and belief; the Owner has performed all activities represented by this report in accordance with the requirements ofSection Xl By signing this certificate neither the Inspector nOl' his employer makes any warranty, expressed or implied, concerning the repairlreplacement activities and evaluation deac:r:ibed. in this report. Furthermore, neither the Inspector nor his employer shall be liable in any manner for any personal iqjury or property damage or a loss of any kind arising from or connected with this inspection.

_--'/<l:.....:::.J:JIlI2<1!11l:/:~,Q;~~~....=-:-_ _ _ _ _ _ Commissions Inspector's Signatwe

Edwin I. Hatch Nuclear Plant - Unit 1 Inservice Inspection Program Owner's Activity Report for Outage 1R25 Enclosure 2 1R25 Form OAR-1 Owner's Activity Report, Table 1, Items with Flaws or Relevant Conditions that Required Evaluations for Continued Service

Examination Category and Item Item Description Evaluation Description Number OAR-l NONE No evaluation required.

Thursday, June 07, 2012 Page lof1

Edwin I. Hatch Nuclear Plant - Unit 1 Inservice Inspection Program Owner's Activity Report for Outage 1R25 Enclosure 3 1R25 Form OAR-1 Owner's Activity Report, Table 2, Abstract of Repairs, Replacement, or Corrective Measures Required for Continued Service

Code Date Repair/Replacement Plan Class Item Description Description of Work Completed Number Replaced Section of Unit 1 Div. II PSW piping found to be leaking during G-Scan 3 10" Piping 3/2/12 WO SNC341062 activities.

Replaced Section of Unit 1 Div. II PSW piping located in the Valve Box, found to be 3 10" Piping 2/26/12 WO SNC361263 leaking during tape coat removal of underground piping.

Due to the inability to isolate thru-wailleakage in a 30" PSW piping elbow, a temporary non-Code replacement was implemented per Temp Mod 1-10-023 on July 30,2010 (WO 1101202105). The non-Code replacement consisted of leaving the defect (thru wall leakage) in the elbow and welding an assembly of a small section of 6" piping with a flanged connection and drain valve with a threaded pipe 3 30" PSW Piping Elbow 3/1/2012 WO SNC105658 cap over the leak location. Due to this being a non-Code replacement, HNP-ISI-AlT 10 was submitted to the NRC for approval of the proposed replacement which had been prepared in accordance with NRC Gl90-05. Proposed non-Code replacement performed in accordance with B31.1, 2007 Edition. Acceptable per IWA-4224.1(a).

A Code Repair was performed during the lR25 outage.

Thursday, June 07,2012 . Page 1 of2

Code Date Repair/Replacement Plan Class Item Description Description of Work Completed Number 1  %" HPCI Piping Elbow Replaced a W' elbow found leaking during the RPV leakage Test. 3/15/2012 WO SNC377855 Thursday, June 07,2012 Page 2 of2*