ML15329A304: Difference between revisions

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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 = 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 = Supplement
}}
 
=Text=
{{#Wiki_filter:Nuclear Operating Company South Texas Pro/ect Elecric Genera~oh Station PCO. Box 289 Wadsworth, Texas 77483 -November 11, 2015 NOC-AE-1 5003307 10 CFR 50.90 File No. G25 U. S. Nuclear Regulatory Commission Attention:
Document Control Desk Washington, DC 20555-0001 South Texas Project Units 1 and 2 Docket Nos. STN 50-498, STN 50-499 Supplement
-Error Correction  
-License Amendment Request For Extension of Containment Leakage Rate Testing Program South Texas Proiect Units 1 and 2 TAC NOS MF6176 and MF6177
 
==References:==
: 1. Letter from G. T. Powell, STP, to NRC Document Control Desk, "Units 1 and 2 License Amendment Request for Extending the 10 year ILRT to 15 years", dated April 29, 2015 (NOC-AE-1 5003227) (ML1 51 28A352)2. Letter from G. T. Powell, STP, to NRC Document Control Desk, "Units 1 and 2 License Amendment Request for Extending the 10 year ILRT to 15 years PRA Supplement", dated June 29, 2015 (NOC-AE-15003266) (ML15198A147)
By Reference 1, STP Nuclear Operating Company (STPNOC) submitted a License Amendment Request (LAR) to extend the 10 year Integrated Leak Rate Test (ILRT) to 15 years. Reference 2 is a supplement to the original submittal that added additional information regarding Probabilistic Risk Assessment topics. This Supplement is to correct errors contained in the initial LAR submittal.
The initial submittal was reviewed in its entirety to verify no other errors exist. 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 , Date G.T. Powell Site Vice President rjg
 
==Enclosure:==
 
Corrections to STP Units 1 and 2 License Amendment Request for Extending the 10 year ILRT to 15 years / 'STI: 34238375 NOC-AE-1 5003307 Page 2 of 2 cc: (paper copy)(electronic copy)Regional Administrator, Region IV U.S. Nuclear Regulatory Commission 1600 East Lamar Boulevard Arlington, TX 76011-4511 Lisa M. Regner Senior Project Manager U.S. Nuclear Regulatory Commission One White Flint North (MS 8 G9A)11555 Rockville Pike Rockville, MD 20852 NRC Resident Inspector U. S. Nuclear Regulatory Commission P. O. Box 289, Mail Code: MNl16 Wadsworth, TX 77483 Morcqan. Lewis & Bockius LLP Steve Frantz U.S. Nuclear Recqulatory Commission Lisa M. Regner NRG South Texas LP John Ragan Chris O'Hara Jim von Suskil CPS Enermy Kevin Polio Cris Eugster L. D. Blaylock Crain Caton & James, P.C.Peter Nemeth City of Austin Cheryl Mele John Wester Texas Dept. of State Health Services Richard A. Ratliff Robert Free NOC-AE-1 5003307 Enclosure Corrections to STP Units 1 and 2 License Amendment Request for Extending the 10 year ILRT to 15 years NOC-AE-1 5003307 Enclosure Page 1 of 1 Corrections to STP Units 1 and 2 License Amendment Request for Extending the 10 year ILRT to 15 years The following paragraph from Attachment 1, NOC-AE-1 5003227, Page 27 of 50, second paragraph, 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 I and 2004 through 2013 for STP Unit 2 has shown an exceptional amount of margin I between the actual As-Found (AF) and As-left (AL) outage summations and the regulatory requirements as described below:* The As-Found minimum pathway leak rate average for STP Unit 1 shows an average 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 an average 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 an average 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 an average 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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