L-15-193, Submittal of the 2015 Silicone Sealant Report Pursuant to License Commitment 17
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| ML15168A011 | |
| Person / Time | |
|---|---|
| Site: | Perry  |
| Issue date: | 06/12/2015 |
| From: | Harkness E FirstEnergy Nuclear Operating Co |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| L-15-193 | |
| Download: ML15168A011 (3) | |
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|---|---|
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MF0116 & MF0 ML13340A1562013-10-0909 October 2013 Perry Nuclear Power Plant Near-Term Task Force Recommendation 2.3 Seismic Walkdown Report Revision 1, Appendix a L-13-358, Near-Term Task Force Recommendation 2.3 Seismic Walkdown Report Revision 1, Appendix B (2 of 2)2013-10-0909 October 2013 Near-Term Task Force Recommendation 2.3 Seismic Walkdown Report Revision 1, Appendix B (2 of 2) ML13340A1572013-10-0909 October 2013 Perry Nuclear Power Plant Near-Term Task Force Recommendation 2.3 Seismic Walkdown Report Revision 1, Appendix B (1 of 2) ML13340A1552013-10-0909 October 2013 Perry Nuclear Power Plant Near-Term Task Force Recommendation 2.3 Seismic Walkdown Report Revision 1 L-13-300, Submittal of 10 CFR 71.95 Report on the 8-120B Cask2013-10-0101 October 2013 Submittal of 10 CFR 71.95 Report on the 8-120B Cask L-13-164, Addendum to Near-Term Task Force Recommendation 2.3 Seismic Walkdown Report2013-06-18018 June 2013 Addendum to Near-Term Task Force Recommendation 2.3 Seismic Walkdown Report L-12-347, FENOC Response to NRC Request for Information Pursuant to 10 CFR 50.54(f) Regarding Flooding Aspects of Recommendation 2.3 of Near-Term Task Force Review of Insights from Fukushima Dai-ichi Accident2012-11-27027 November 2012 FENOC Response to NRC Request for Information Pursuant to 10 CFR 50.54(f) Regarding Flooding Aspects of Recommendation 2.3 of Near-Term Task Force Review of Insights from Fukushima Dai-ichi Accident ML13135A2512012-09-28028 September 2012 Near-Term Task Force Recommendation 2.3 Seismic Walkdown Report, Appendix B - Seismic Walk-Down Checklists (Swcs), Sheet 204 of 461 Through Sheet 461 of 461 ML13008A0492012-09-28028 September 2012 Near-Term Task Force Recommendation 2.3 Seismic Walkdown Report, Cover Through Appendix a, Resumes and Qualifications, Page A-36 ML13008A0502012-09-28028 September 2012 Near-Term Task Force Recommendation 2.3 Seismic Walkdown Report, Appendix B: Seismic Walkdown Checklists, Page B-1, Sheet 1 of 513 Through Sheet 122 of 513 ML13008A0512012-09-28028 September 2012 Near-Term Task Force Recommendation 2.3 Seismic Walkdown Report, Appendix B: Seismic Walkdown Checklists, Page B-1, Sheet 123 of 513 Through Sheet 247 of 513 ML13008A0542012-09-28028 September 2012 Near-Term Task Force Recommendation 2.3 Seismic Walkdown Report, Appendix B: Seismic Walkdown Checklists, Page B-1, Sheet 482 of 513 Through Appendix C: Area Walk-by Checklists, Sheet 85 of 212 ML13135A2492012-09-28028 September 2012 Near-Term Task Force Recommendation 2.3 Seismic Walkdown Report, Appendix B - Seismic Walk-Down Checklists (Swcs), Sheet 1 of 461 Through Sheet 203 of 461 ML13135A2482012-09-28028 September 2012 Near-Term Task Force Recommendation 2.3 Seismic Walkdown Report, Appendix a - Resumes and Qualifications ML13135A2472012-09-28028 September 2012 Near-Term Task Force Recommendation 2.3 Seismic Walkdown Report, Cover Through Page 153 ML13008A0522012-09-28028 September 2012 Near-Term Task Force Recommendation 2.3 Seismic Walkdown Report, Appendix B: Seismic Walkdown Checklists, Page B-1, Sheet 248 of 513 Through Sheet 367 of 513 ML13008A0552012-09-28028 September 2012 Near-Term Task Force Recommendation 2.3 Seismic Walkdown Report, Appendix C: Area Walk-by Checklists, Sheet 86 of 212 Through End ML13135A2292012-09-28028 September 2012 Near-Term Task Force Recommendation 2.3 Seismic Walkdown Report, Appendices C Through End ML1127000692011-09-26026 September 2011 Enclosure 2, Mfn 10-245 R4, Description of the Evaluation and Surveillance Recommendations for BWR/2-5 Plants L-11-017, State of Ohio Water Withdrawal Report2011-01-24024 January 2011 State of Ohio Water Withdrawal Report ML1012704392010-05-0505 May 2010 Y020100187 - List of Historical Leaks and Spills at U.S. Commercial Nuclear Power Plants ML0919400712009-06-29029 June 2009 Semi-Annual Sewage Isotopic Report ML0705902852007-02-20020 February 2007 Semiannual Fitness-For-Duty Report for Period of July 1, 2006 Through December 31, 2006 ML0700902662007-01-0808 January 2007 Final Transition Letter and Attachment, Revision 1 (1-8-07) ML0700902622007-01-0303 January 2007 Transition Letter and Attachment (1/3/07) L-06-071, Revised Financial Information Associated with an Order Approving Transfer of Licenses to Firstenergy Nuclear Generation Corp2006-05-30030 May 2006 Revised Financial Information Associated with an Order Approving Transfer of Licenses to Firstenergy Nuclear Generation Corp ML0608804422006-03-24024 March 2006 GE Evaluation of OPRM Performance During Instability Events at Nine Mile Point, Unit 2 and Perry Nuclear Power Plant ML0606105272006-02-21021 February 2006 Semiannual Fitness-for-Duty Report for the Period July 1, 2005 Through December 31, 2005 ML0526304912005-09-0909 September 2005 Report of 10 CFR 50.59 Evaluations for 2003-2005 ML0523604432005-08-18018 August 2005 Semiannual Fitness-For-Duty Report Covering Time Period January 1, 2005 Through June 30, 2005 ML0522802442005-08-0808 August 2005 Response to NRC Inspection Procedure 95003 Supplemental Inspection, Inspection Report 05000440/2005003 ML0522803542005-08-0808 August 2005 Report of Changes Pursuant to 10 CFR 50.46 2023-08-07 |
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Perry Nuclear Power Plant F10 FENOC- O.Box 97 Center Road FirstEnergyNuclear Operating Company Perry,Ohio 44081 ErnestJ. Harkness 440-280-5382 Vice President Fax: 440-280-8029 June 12, 2015 L-15-193 ATTN: Document Control Desk U.S. Nuclear Regulatory Commission Washington, DC 20555-0001
SUBJECT:
Perry Nuclear Power Plant Docket No. 50-440, License Number NPF-58 2015 Silicone Sealant Report Pursuant to License Commitment 17 Attached is the 2015 Silicone Sealant Report for the Perry Nuclear Power Plant (PNPP). This report fulfills ongoing commitments associated with License Commitment 17 contained in the PNPP Updated Safety Analysis Report, Appendix 1 B.
There are no new regulatory commitments contained in this letter. If there are any questions or if additional information is required please contact Mr. Nicola Conicella, Manager - Regulatory Compliance, at (440) 280-5415.
Sincerely, Ernest J. Harkness
Attachment:
2015 Silicone Sealant Report Pursuant to License Commitment 17 cc: NRC Region III Administrator NRC Resident Inspector Office NRC Project Manager REIRS Project Manager A --
Attachment L-15-193 Page 1 of 2 Attachment L-1 5-193 FIRSTENERGY NUCLEAR OPERATING COMPANY PERRY NUCLEAR POWER PLANT DOCKET NUMBER: 50-440 LICENSE NUMBER: NPF-58 Silicone Sealant Report Pursuant to License Commitment 17 Contents Silicone Sealant Inspections and Testing
Attachment L-1 5-193 Page 2 of 2 Silicone Sealant Inspections and Testing
Background
License Commitment 17 contained in the Perry Nuclear Power Plant (PNPP) Updated Safety Analysis Report, Appendix 1B, contains an ongoing commitment to:
a) PNPP will place the ductwork test specimens used for qualification testing of silicone sealant into the plant in an area environmentally approximate to the ESF ventilation systems. During each refueling outage, PNPP will leak test these test specimens to determine if any degradation of the silicone has occurred.
b) PNPP will perform an engineering walkdown of the ESF ventilation systems during each refueling outage. This walkdown will consist of a visual inspection of a representative portion of exposed ductwork to check for indication of sealant degradation.
c) The results of "a" and "b" above, will be briefly summarized and reported to the NRC for years in which refueling outages occur.
During 2015, the PNPP completed the fifteenth refueling outage (1R15). The maintenance plan to inspect duct sealant degradation and to test duct samples was satisfactorily completed in 1R1 5. This report fulfills the ongoing commitment associated with Licensing Commitment 17 (L01090) of the PNPP Updated Safety Analysis Report, Appendix 1B, "Silicone Sealant".
Results The duct specimens were individually leak tested at rated pressure, in place, in the Intermediate Building 585 feet pipe chase. The thermoluminescent dosimeter (TLD)s were removed during the refueling outage and analyzed after their respective identification numbers were recorded. The resulting dose (reported in millirem (mrem))
recorded for specimen I on TLD S/N 8903010313 is 82,596 mrem (Deep) and for specimen 2 on TLD S/N 8903000313 is 120,679 mrem (Deep). New dosimetry was installed during 1R15, specimen 1, TLD S/N 1746, and specimen 2, TLD S/N 1747.
The results of the duct specimen leak test for the General Electric Silpruf and Foster 30-02 sealants showed no degradation in air leakage at the sealant connections.
The Engineered Safety Features (ESF) ventilation systems (i.e., the Annulus Exhaust Gas Treatment (M15) system, the Control Room HVAC [Heating, Ventilation, and Air Conditioning] (M25/26) system, and the Fuel Handling Building Ventilation (M40) system), were walked down and a representative portion of the exposed exterior silicone sealants were inspected. The exposed exterior sealant on the ductwork inspected during this walkdown was found to be in good condition with no observable degradation or leakage.