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{{Adams
#REDIRECT [[NOC-AE-15003307, Supplement - Error Correction - License Amendment Request for Extension of Containment Leakage Rate Testing Program]]
| number = ML15329A304
| issue date = 11/11/2015
| title = South Texas Project, Units 1 and 2 - Supplement - Error Correction - License Amendment Request for Extension of Containment Leakage Rate Testing Program
| author name = Powell G T
| author affiliation = South Texas Project Nuclear Operating Co
| addressee name =
| addressee affiliation = NRC/Document Control Desk, NRC/NRR
| docket = 05000498, 05000499
| license number =
| contact person =
| case reference number = File No. G25, NOC-AE-15003307, TAC MF6176, TAC MF6177
| document type = Letter, License-Application for Facility Operating License (Amend/Renewal) DKT 50
| page count = 4
| project = TAC:MF6176, TAC:MF6177
| stage =
}}
 
=Text=
{{#Wiki_filter:Nuclear Operating CompanySouth Texas Pro/ect Elecric Genera~oh Station PCO. Box 289 Wadsworth, Texas 77483 -November 11, 2015NOC-AE-1 500330710 CFR 50.90File No. G25U. S. Nuclear Regulatory CommissionAttention: Document Control DeskWashington, DC 20555-0001South Texas ProjectUnits 1 and 2Docket Nos. STN 50-498, STN 50-499Supplement -Error Correction -License Amendment RequestFor Extension of Containment Leakage Rate Testing ProgramSouth Texas Proiect Units 1 and 2 TAC NOS MF6176 and MF6177References: 1. Letter from G. T. Powell, STP, to NRC Document Control Desk, "Units 1 and 2License Amendment Request for Extending the 10 year ILRT to 15 years", datedApril 29, 2015 (NOC-AE-1 5003227) (ML1 51 28A352)2. Letter from G. T. Powell, STP, to NRC Document Control Desk, "Units 1 and 2License Amendment Request for Extending the 10 year ILRT to 15 years PRASupplement", dated June 29, 2015 (NOC-AE-15003266) (ML15198A147)By Reference 1, STP Nuclear Operating Company (STPNOC) submitted a License AmendmentRequest (LAR) to extend the 10 year Integrated Leak Rate Test (ILRT) to 15 years. Reference2 is a supplement to the original submittal that added additional information regardingProbabilistic Risk Assessment topics. This Supplement is to correct errors contained in theinitial LAR submittal. The initial submittal was reviewed in its entirety to verify no other errorsexist. The corrections are provided in the Enclosure to this letter.There are no commitments in this letter.If there are any questions regarding the submittal, please contact Rafael Gonzales at (361) 972-4779 or me at (361 )-972-7566.I declare under penalty of perjury that the foregoing is true and correct.Executed on //. 26/5- .'.J ,DateG.T. PowellSite Vice PresidentrjgEnclosure: Corrections to STP Units 1 and 2 License Amendment Request for Extending the 10year ILRT to 15 years / 'STI: 34238375 NOC-AE-1 5003307Page 2 of 2cc:(paper copy)(electronic copy)Regional Administrator, Region IVU.S. Nuclear Regulatory Commission1600 East Lamar BoulevardArlington, TX 76011-4511Lisa M. RegnerSenior Project ManagerU.S. Nuclear Regulatory CommissionOne White Flint North (MS 8 G9A)11555 Rockville PikeRockville, MD 20852NRC Resident InspectorU. S. Nuclear Regulatory CommissionP. O. Box 289, Mail Code: MNl16Wadsworth, TX 77483Morcqan. Lewis & Bockius LLPSteve FrantzU.S. Nuclear Recqulatory CommissionLisa M. RegnerNRG South Texas LPJohn RaganChris O'HaraJim von SuskilCPS EnermyKevin PolioCris EugsterL. D. BlaylockCrain Caton & James, P.C.Peter NemethCity of AustinCheryl MeleJohn WesterTexas Dept. of State Health ServicesRichard A. RatliffRobert Free NOC-AE-1 5003307EnclosureCorrections to STP Units 1 and 2 License Amendment Request for Extending the10 year ILRT to 15 years NOC-AE-1 5003307EnclosurePage 1 of 1Corrections to STP Units 1 and 2 License Amendment Request for Extending the 10 yearILRT to 15 yearsThe following paragraph from Attachment 1, NOC-AE-1 5003227, Page 27 of 50, secondparagraph, is corrected as indicated in bold:A review of the Type B and Type C test results from 2005 through 2014 for STP Unit 1 Iand 2004 through 2013 for STP Unit 2 has shown an exceptional amount of margin Ibetween the actual As-Found (AF) and As-left (AL) outage summations and theregulatory requirements as described below:* The As-Found minimum pathway leak rate average for STP Unit 1 shows anaverage of 4.49% of 0.6 La with a high of 4.89% of 0.6 La or 0.029 La.* The As-Left maximum pathway leak rate average for STP Unit 1 shows anaverage of 19.67% of 0.6 La with a high of 20.64% of 0.6 La or 0.124 La.* The As-Found minimum pathway leak rate average for STP Unit 2 shows anaverage of 7.54% of 0.6 La with a high of 8.82% of 0.6 La or 0.053 La.* The As-Left maximum pathway leak rate average for STP Unit 2 shows anaverage of 20.54% of 0.6 La with a high of 21.69% of 0.6 La or 0.130 La
}}

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