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| {{#Wiki_filter:D)epartmenrt of Mechanical Engineering512-232-3370-. | | {{#Wiki_filter:D)epartmenrt of Mechanical Engineering512-232-3370-. |
| FAX 512-471 -4.589 -http:/Iwww~me utexaseedu!/ | | FAX 512-471 -4.589 -http:/Iwww~me utexaseedu!/ |
| netdIAugust 26, 2015ATTN: Document Control Desk,U.S. Nuclear Regulatory Commission, Washington, DC 20555-0001 M. BalazikProject ManagerResearch and Test Reactors Licensing Branch
| | netdI August 26, 2015 ATTN: Document Control Desk, U.S. Nuclear Regulatory Commission, Washington, DC 20555-0001 M. Balazik Project Manager Research and Test Reactors Licensing Branch |
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| ==SUBJECT:== | | ==SUBJECT:== |
| | | Docket No. 50-602, Request for Renewal of Facility Operating License R-129 REF: UNIVERSITY OF TEXAS AT AUSTIN -REQUEST FOR ADDITIONAL INFORMATION REGARDING THE LICENSE RENEWAL REQUEST FOR THE NUCLEAR ENGINEERING TEACHING LABORATORY TRIGA MARK I1 NUCLEAR RESEARCH REACTOR (TAC NO. ME7694) --July 31, 2015 correspondence Sir: Regarding inconsistencies in results of excess reactivity and control rod worth calculations in the July 15, 2015 submission, two transcriptions errors have been identified in input data. Material specifications for two lightly burned fuel elements were inadvertently copied twice from into an early core configuration. |
| Docket No. 50-602, Request for Renewal of Facility Operating License R-129REF: UNIVERSITY OF TEXAS AT AUSTIN -REQUEST FOR ADDITIONAL INFORMATION REGARDING THE LICENSERENEWAL REQUEST FOR THE NUCLEAR ENGINEERING TEACHING LABORATORY TRIGA MARK I1 NUCLEARRESEARCH REACTOR (TAC NO. ME7694) --July 31, 2015 correspondence Sir:Regarding inconsistencies in results of excess reactivity and control rod worth calculations in the July 15, 2015submission, two transcriptions errors have been identified in input data. Material specifications for two lightlyburned fuel elements were inadvertently copied twice from into an early core configuration. | | Because new elements are introduced into outer ring positions, the effect was minor and not immediately apparent. |
| Because newelements are introduced into outer ring positions, the effect was minor and not immediately apparent. | | When irradiation and movement into a higher worth position was simulated, the effect was more significant but appeared to be trending and was therefore not identified as anomalous. |
| Whenirradiation and movement into a higher worth position was simulated, the effect was more significant butappeared to be trending and was therefore not identified as anomalous.
| | Material composition is currently being recalculated with additional measures to assure quality data, and currently near completion. |
| Material composition is currently being recalculated with additional measures to assure quality data, and currently near completion. | | However, reactivity calculations using the data remain to be accomplished. |
| : However, reactivity calculations using the data remain to be accomplished.
| | We therefore are requesting 90 days to complete the work (with contingencies for additional material calculations, should they be required, included in the request.Please contact me by phone at 512-232-5373 or email whalev@~mail.utexas.edu if you require additional information or there is a problem with this submittal. |
| We therefore arerequesting 90 days to complete the work (with contingencies for additional material calculations, should they berequired, included in the request.Please contact me by phone at 512-232-5373 or email whalev@~mail.utexas.edu if you require additional information or there is a problem with this submittal. | | Thank P. M. Whaley Associate Director Nuclear Engineering Teaching Laboratory The University of Texas at Austin I declare under penalty of perjury that the foregoing is true and correct.Executed on July 15, 2015 Steven R. Biegalski NETL Director}} |
| ThankP. M. WhaleyAssociate DirectorNuclear Engineering Teaching Laboratory The University of Texas at AustinI declare under penalty of perjury that the foregoing is true and correct.Executed on July 15, 2015Steven R. Biegalski NETL Director}}
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Category:Letter
MONTHYEARML24127A1212024-05-10010 May 2024 Uta Tribal Letter-Pierite, M-Tunica-Biloxi Tribe of Louisiana ML24127A1242024-05-10010 May 2024 Uta Tribal Letter-Yargee, W-Alabama-Quassarte Tribal Town ML24127A1222024-05-10010 May 2024 Uta Tribal Letter-SpottedBird, L.-Kiowa Indian Tribe ML24127A1152024-05-10010 May 2024 Uta Tribal Letter-Gonzalez, B-Caddo Nation ML24127A1162024-05-10010 May 2024 Uta Tribal Letter-Hoskin, C-Cherokee Nation ML24127A1192024-05-10010 May 2024 Uta Tribal Letter-Martinez, E-Mescalero Apache Tribe ML24127A1232024-05-10010 May 2024 Uta Tribal Letter-Yahola, S-Kialegee Tribal Town ML24127A1182024-05-10010 May 2024 Uta Tribal Letter-Kaskaske, D, Kickapoo Tribe of Oklahoma ML24127A1142024-05-10010 May 2024 Uta Tribal Letter-Garza, J-Kickapoo Traditional Tribe of Texas ML24127A1172024-05-10010 May 2024 Uta Tribal Letter-Johnson, L.J.-Seminole Nation of Oklahoma ML24127A1132024-05-10010 May 2024 Uta Tribal Letter-Bunch, J-United Keetoowah Band of Cherokee Indians ML24127A1202024-05-10010 May 2024 Uta Tribal Letter-Morrow, R.K.-Thlopthlocco Tribal Town ML24096A0422024-05-0101 May 2024 Letter to R. Nelson, Advisory Council Historic Preservation; Re., Uta Section 106 Consultation ML24096A0432024-05-0101 May 2024 Letter to C. Brashear, Texas Historical Commission; Re. Uta Section 106 Consultation ML24120A3602024-04-30030 April 2024 Letter to Ricky Sylestine, Chairperson, Alabama-Coushatta Tribe of Texas; Re., Uta Section 106 Consultation ML24120A3612024-04-30030 April 2024 Letter to Russell Martin, President, Tonkawa Tribe of Indians of Oklahoma; Re., Uta Section 106 Consultation ML24120A3572024-04-30030 April 2024 Letter to Deborah Dotson, President, Delaware Nation, Oklahoma; Re., Uta Section 106 Consultation ML24120A3582024-04-30030 April 2024 Letter to Durell Cooper, Chairman, Apache Tribe of Oklahoma; Re., Uta Section 106 Consultation ML24120A3592024-04-30030 April 2024 Letter to Mark Woommavovah, Chairman, Comanche Nation, Oklahoma; Re., Uta Section 106 Consultation ML24096A0792024-04-30030 April 2024 Letter to Jonathan Cernek, Chairman, Coushatta Tribe of Louisiana; Re., Uta Section 106 Consultation ML24120A3622024-04-30030 April 2024 Letter to Terri Parton, President, Wichita and Affiliated Tribes (Wichita, Keechi, Waco and Tawakonie), Oklahoma; Re., Uta Section 106 Consultation ML24058A1242024-03-20020 March 2024 University of Texas at Austin - Change of Facility Project Managers ML24059A1032024-02-28028 February 2024 2023 Annual Operating Report for the University of Texas Triga II Nuclear Research Reactor IR 05000602/20242012024-02-20020 February 2024 University of Texas at Austin - U.S. Nuclear Regulatory Commission Safety Inspection Report 05000602/2024201 ML23332A1052023-12-0707 December 2023 University of Texas at Austin - Regulatory Audit Re Renewal of Facility Operating License No. R-129 for Its Triga Mark II Nuclear Reactor ML23258A1622023-09-15015 September 2023 Submission of Environmental Report for the University of Texas at Austin Research Reactor in Support of License Renewal ML23216A2122023-08-0404 August 2023 Univ. of Texas - Austin, Submittal of Draft Safety Analysis Report for the Support of License Renewal IR 05000602/20232012023-07-31031 July 2023 University of Texas at Austin - NRC Safety Inspection Report No. 05000602/2023201 ML23193B0332023-07-31031 July 2023 University of Texas at Austin - NRC Security Inspection 2023202 ML23195A1802023-07-14014 July 2023 Submission of Revised Draft Safety Analysis Report (Chapters 4 and 13) Incorporating Neutronic and Thermal Hydraulic Analysis for the University of Texas at Austin Research Reactor ML23129A2432023-05-10010 May 2023 University of Texas at Austin Notice of Violation ML23102A1422023-04-13013 April 2023 Examination Confirmation Letter No. 50-602/OL-23-02, University of Texas at Austin ML23065A3032023-04-11011 April 2023 University of Texas at Austin Issuance of Amendment No. 8 to Facility Operating License R-129, for the University of Texas at Austin Triga (Training, Research, Isotopes, General Atomics) Nuclear Research Reactor to Change Paragraphs 2.B.(2) ML23074A2142023-03-16016 March 2023 Transmittal of 2022 Annual Report for the University of Texas Triga II Nuclear Research Reactor ML23067A1962023-03-0707 March 2023 Univ of Texas - Austin, Reply to a Notice of Violation ML23052A1712023-03-0707 March 2023 University of Texas at Austin - Report on the Regulatory Audit Renewal of Facility Operating License No. R-129; Docket No. 50-602 ML23067A2092023-02-25025 February 2023 University of Texas at Austin - Response to Apparent Violations in NRC Special Inspection Report 05000602/2022201; EA-22-134 ML23040A3032023-02-0909 February 2023 Univ of Texas - Austin, Submittal of Neutronics Report and Thermal Hydraulic Analysis of the Triga Reactor IR 05000602/20222012023-01-25025 January 2023 University of Texas at Austin - U.S. Nuclear Regulatory Commission Special Inspection Report 05000602/2022201 ML22333A6232022-11-16016 November 2022 University of Texas, Submittal of 14-Day Report for Event Number 56198 ML22322A1142022-11-16016 November 2022 the University of Texas Nuclear Research Reactor 14-Day Report ML22224A1432022-09-13013 September 2022 Examination Confirmation Letter No 50-602/OL-23-01, University of Texas at Austin ML22269A4792022-09-0909 September 2022 Request for Revision of Uranium and Plutonium Forms in License R-129 ML22224A1222022-08-22022 August 2022 University of Texas at Austin Change of Facility Backup Project Manager ML22164A0062022-06-13013 June 2022 Univ of Texas - Austin, Change in Level 1 Management ML22164A0092022-06-13013 June 2022 Annual Report for the University of Texas Triga II Nuclear Research Reactor ML22130A1752022-05-17017 May 2022 University of Texas at Austin Interim Status Report on the Regulatory Audit Re Renewal of Facility Operating License No R-129 IR 05000602/20212012022-01-26026 January 2022 University of Texas at Austin - Us Nuclear Regulatory Commission Routine Safety Inspection Report No. 05000602/2021201 ML21272A1662021-10-0404 October 2021 University of Texas at Austin Change of Facility Project Manager ML21266A4062021-09-0101 September 2021 Notification of a Change in Level 1 Management for the University of Texas at Austin Nuclear Engineering Teaching Laboratory (NETL) 2024-05-10
[Table view] |
Text
D)epartmenrt of Mechanical Engineering512-232-3370-.
FAX 512-471 -4.589 -http:/Iwww~me utexaseedu!/
netdI August 26, 2015 ATTN: Document Control Desk, U.S. Nuclear Regulatory Commission, Washington, DC 20555-0001 M. Balazik Project Manager Research and Test Reactors Licensing Branch
SUBJECT:
Docket No. 50-602, Request for Renewal of Facility Operating License R-129 REF: UNIVERSITY OF TEXAS AT AUSTIN -REQUEST FOR ADDITIONAL INFORMATION REGARDING THE LICENSE RENEWAL REQUEST FOR THE NUCLEAR ENGINEERING TEACHING LABORATORY TRIGA MARK I1 NUCLEAR RESEARCH REACTOR (TAC NO. ME7694) --July 31, 2015 correspondence Sir: Regarding inconsistencies in results of excess reactivity and control rod worth calculations in the July 15, 2015 submission, two transcriptions errors have been identified in input data. Material specifications for two lightly burned fuel elements were inadvertently copied twice from into an early core configuration.
Because new elements are introduced into outer ring positions, the effect was minor and not immediately apparent.
When irradiation and movement into a higher worth position was simulated, the effect was more significant but appeared to be trending and was therefore not identified as anomalous.
Material composition is currently being recalculated with additional measures to assure quality data, and currently near completion.
However, reactivity calculations using the data remain to be accomplished.
We therefore are requesting 90 days to complete the work (with contingencies for additional material calculations, should they be required, included in the request.Please contact me by phone at 512-232-5373 or email whalev@~mail.utexas.edu if you require additional information or there is a problem with this submittal.
Thank P. M. Whaley Associate Director Nuclear Engineering Teaching Laboratory The University of Texas at Austin I declare under penalty of perjury that the foregoing is true and correct.Executed on July 15, 2015 Steven R. Biegalski NETL Director