Letter Sequence Other |
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EPID:L-2019-LLA-0078, Package: Acceptance Review of Tn Americas LLC Application for Certificate of Compliance No. 1042, Amendment No. 2 Nuhoms Eos System (Dkt: 72-1042, CAC: 001028, EPID: L-2019-LLA-0078) Request for Supplemental Information (Open) |
Results
Other: ML20315A419, ML20315A420, ML20315A421, ML20315A422, ML20315A424, ML20315A425, ML20315A426, ML20315A427, ML21125A104, ML21125A105, ML21125A106, ML21125A107
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MONTHYEARML19178A1222019-06-28028 June 2019 Package: Acceptance Review of Tn Americas LLC Application for Certificate of Compliance No. 1042, Amendment No. 2 Nuhoms Eos System (Dkt: 72-1042, CAC: 001028, EPID: L-2019-LLA-0078) Request for Supplemental Information Project stage: Request ML19178A1232019-06-28028 June 2019 Letter to P. Narayanan Acceptance Review of Tn Americas LLC Application for Certificate of Compliance No. 1042, Amendment No. 2 Nuhoms Eos System (Dkt: 72-1042, CAC: 001028, EPID: L-2019-LLA-0078) Request for Supplemental Information Project stage: Acceptance Review ML19178A1242019-06-28028 June 2019 Enclosure 1: Rsi (non-proprietary) (Letter to P. Narayanan Acceptance Review of Tn Americas LLC Application for Certificate of Compliance No. 1042, Amendment No. 2 Nuhoms Eos System (Dkt: 72-1042, CAC: 001028, EPID: L-2019-LLA-0078)) Project stage: Acceptance Review ML19317D3312019-11-14014 November 2019 Acceptance Review Completed for Eos Amendment No. 2 Project stage: Acceptance Review ML20091L0642020-03-31031 March 2020 Enclosure 1 - Request for Additional Information - Non-Proprietary Project stage: RAI ML20091L0632020-03-31031 March 2020 Transmittal Letter - CoC 1042 Amendment Number 2 Request for Additional Information Project stage: RAI ML20120A2282020-04-29029 April 2020 Tn Americas LLC, Response to the Request for Additional Information to Application for Certificate of Compliance No. 1042, Amendment No. 2, to NUHOMS Eos System, (Docket No. 72-1042, CAC No. 001028 EPID: L-2019-LLA-0078)- Request for Extens Project stage: Request ML20190A1362020-06-30030 June 2020 Tn Americas LLC, Application for Certificate of Compliance No. 1042, Amendment No. 2, to NUHOMS Eos System, Revision 5 Project stage: Request ML20315A4282020-10-29029 October 2020 Enclosure 12 - Responses to Request for Additional Information Project stage: Response to RAI ML20315A4182020-10-29029 October 2020 Application for Certificate of Compliance No. 1042, Amendment No. 2, to NUHOMS Eos System, Revision 6, Revised Responses to Request for Additional Information Project stage: Response to RAI ML20315A4272020-10-29029 October 2020 Enclosure 11 - Additional Changes Not Associated with the RAIs Project stage: Other ML20315A4262020-10-29029 October 2020 Enclosure 10 - Listing of Package Accession Numbers Associated with the Amendment 2 Application Submittals Project stage: Other ML20315A4252020-10-29029 October 2020 Enclosure 8 - Listing of Computer Files Contained in Enclosure 9 Project stage: Other ML20315A4242020-10-29029 October 2020 Enclosure 7 - CoC 1042 Amendment 2, Revision 6 UFSAR Changed Pages Project stage: Other ML20315A4222020-10-29029 October 2020 Enclosure 5 - CoC 1042 Proposed Amendment 2, Revision 6 Technical Specifications Project stage: Other ML20315A4212020-10-29029 October 2020 Enclosure 4 - List of Changed TS and UFSAR Pages Involved in CoC 1042 Amendment 2, Revision 6 Project stage: Other ML20315A4202020-10-29029 October 2020 Enclosure 3 - List of New CoC 1042 Amendment 2, Revision 6 Technical Specifications Changes and Justifications Project stage: Other ML20315A4192020-10-29029 October 2020 Enclosure 1 - Affidavit Pursuant to 10 CFR 2.390 Project stage: Other ML20352A0342020-12-16016 December 2020 Clarification Call Summary Regarding Eos Amendment 2 RAI 6-4 Response and Tns Proposed Additional Change 3 (Not Related to the Rais) Project stage: RAI ML21027A3242021-01-27027 January 2021 Tn America, LLC - Application for Certificate of Compliance No. 1042 Amendment No. 2 to NUHOMS Eos System, Revision 7 - Revised Response to Request for Additional Information Project stage: Response to RAI ML21125A1042021-06-0707 June 2021 1. User Need Memo CoC 1042 A2 Project stage: Other ML21125A1032021-06-0707 June 2021, 3 August 2021 User Need Memo Package for CoC 1042 Amendment 2 Project stage: Request ML21125A1052021-08-0303 August 2021 2. Proposed CoC No. 1042 Amendment 2 for Tn Americas, LLC Project stage: Other ML21125A1062021-08-0303 August 2021 3. Proposed TS - CoC No. 1042 Amendment 2 Project stage: Other ML21125A1072021-08-0303 August 2021 4. Preliminary SER - CoC No. 1042 Amendment 2 Project stage: Other 2020-03-31
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Category:Response to Request for Additional Information (RAI)
MONTHYEARML24113A3072024-04-22022 April 2024 Tn Americas LLC, Application for Amendment 4 to NUHOMS Eos Certificate of Compliance No. 1042, Revision 3 (Docket 72-1042, CAC No. 001028, EPID: L-2022-LLA-0017) – Response to Request for Additional Information ML23179A1202023-06-28028 June 2023 Application for Amendment 4 to NUHOMS Eos Certificate of Compliance No. 1042, Revision 2 (Docket 72-1042, CAC No. 001028, EPID: L-2022-LLA-0017) - Supplemental Responses to Request for Supplemental Information ML23089A1752023-03-30030 March 2023 Tn Americas LLC Application for Amendment 4 to NUHOMS Eos Certificate of Compliance No. 1042, Revision 1 - Response to Request for Supplemental Information ML22355A2192022-12-21021 December 2022 Application for Amendment 3 to NUHOMS Eos Certificate of Compliance No. 1042, Revision 11 (Docket 72-1042, CAC No. 001028, EPID: L-2021-LLA-0055) - Response to Request for Additional Information (New Scope Addition 3 - ASME NOG-1 Exceptions ML22224A0412022-08-12012 August 2022 Tn Americas, LLC, Submittal of Response to Request for Supplemental Information - Application for Amendment 18 to Standardized NUHOMS Certificate of Compliance No. 1004 for Spent Fuel Storage Casks, Revision 1 ML22158A2932022-06-0707 June 2022 Application for Amendment 3 to NUHOMS Eos Certificate of Compliance No. 1042, Revision 6 (Docket 72-1042, CAC No. 001028, EPID: L-2021-LLA-0055) - Revised Responses to Request for Additional Information (RAIs 9-1 and 9-2) ML22056A4582022-02-25025 February 2022 Application for Amendment 3 to NUHOMS Eos Certificate of Compliance No. 1042, Revision 5 - Response to Request for Additional Information (New Scope) and Revised Responses to Request for Additional Information ML21334A2062021-11-30030 November 2021 Tn Americas LLC, Application for Amendment 3 to NUHOMS Eos Certificate of Compliance No. 1042, Revision 4 (Docket 72-1042, CAC No. 001028, EPID: L-2021-LLA-0055) - Response to Request for Additional Information ML21246A1362021-09-0303 September 2021 Tn Americas LLC, Application for Amendment 3 to NUHOMS Eos Certificate of Compliance No. 1042, Revision 3 (Docket 72-1042, CAC No. 001028, EPID: L-2021-LLA-0055) - Revised Response to Obs 4-5 and Revised UFSAR Pages ML21174A2312021-06-23023 June 2021 Tn Americas, LLC, Application for Amendment 3 to NUHOMS Eos Certificate of Compliance No. 1042 Revision 1, Response to Request for Supplemental Information ML20315A4272020-10-29029 October 2020 Enclosure 11 - Additional Changes Not Associated with the RAIs ML20315A4282020-10-29029 October 2020 Enclosure 12 - Responses to Request for Additional Information ML20190A1382020-06-30030 June 2020 Enclosure 3: Responses to Request for Additional Information ML18255A0942018-08-30030 August 2018 Enclosure 2 - Rsis and Responses ML18255A0922018-08-30030 August 2018 Acceptance Review (Continued) of Tn Americas LLC Application for Certificate of Compliance No. 1042, Amendment No. 1, to the Nuhoms Eos System, Revision 2 - Response to Second Request for Supplemental Information 2024-04-22
[Table view] Category:Technical Specification
MONTHYEARML20315A4202020-10-29029 October 2020 Enclosure 3 - List of New CoC 1042 Amendment 2, Revision 6 Technical Specifications Changes and Justifications ML20315A4212020-10-29029 October 2020 Enclosure 4 - List of Changed TS and UFSAR Pages Involved in CoC 1042 Amendment 2, Revision 6 ML20315A4222020-10-29029 October 2020 Enclosure 5 - CoC 1042 Proposed Amendment 2, Revision 6 Technical Specifications ML20315A4272020-10-29029 October 2020 Enclosure 11 - Additional Changes Not Associated with the RAIs ML20190A1412020-06-30030 June 2020 Enclosure 6: CoC 1042 Proposed Amendment 2, Revision 5 Technical Specifications ML18255A0982018-08-30030 August 2018 Enclosure 6 - CoC 1042 Proposed Amendment 1, Revision 2, Technical Specifications ML18255A0972018-08-30030 August 2018 Enclosure 5 - List of Changed TS and UFSAR Pages Involved in CoC 1042 Amendment 1, Revision 2 ML18255A0962018-08-30030 August 2018 Enclosure 4 - List of New CoC 1042 Amendment 1 Technical Specifications Changes and Justifications 2020-06-30
[Table view] Category:Amendment
MONTHYEARML20315A4202020-10-29029 October 2020 Enclosure 3 - List of New CoC 1042 Amendment 2, Revision 6 Technical Specifications Changes and Justifications ML20315A4212020-10-29029 October 2020 Enclosure 4 - List of Changed TS and UFSAR Pages Involved in CoC 1042 Amendment 2, Revision 6 ML20315A4222020-10-29029 October 2020 Enclosure 5 - CoC 1042 Proposed Amendment 2, Revision 6 Technical Specifications ML20315A4272020-10-29029 October 2020 Enclosure 11 - Additional Changes Not Associated with the RAIs ML18255A0982018-08-30030 August 2018 Enclosure 6 - CoC 1042 Proposed Amendment 1, Revision 2, Technical Specifications 2020-10-29
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Text
Enclosure 11 to E-57418 Additional Changes Not Associated with the RAIs Page 1 of 2 TN Americas LLC is requesting multiple changes to the proposed Amendment 2 Technical Specifications (TS) and Updated Final Safety Analysis Report (UFSAR) that are not related to the RAI questions. The requested changes are discussed in the following sections of this enclosure and include a description of the change, the impact on the design, and a summary of the impact on the TS and UFSAR. The changes are shown in italics and revision bars.
- 1. Technical Specification Table 3 for Control Components
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Description:==
This change has been withdrawn.
TS Impact: TS Table 3 has been added back in to its location as was shown in Amendment 2, Revision 3, including footnotes 1 and 2. The discussion that was added in TS Section 2.1 has been revised to what was shown in Amendment 2, Revision 3.
The phrase that was added to TS Section 5.1.2 has been revised to what was shown in Amendment 2, Revision 3.
UFSAR Impact: References to TS Table 3 are added back in to Chapters 2 and 6 as were shown in Amendment 2, Revision 3. Table 6-37a is being revised and used for another purpose. See revised item 2 below. The initial Table 6-37a information is now back in TS Table 3.
- 2. Co-60 Equivalent Methodology for Control Components
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Description:==
Due to the large variation of control component (CC) types used by Licensees, the standard approach used by TN Americas LLC is to limit the CC source in the Technical Specifications, which necessitates a CC characterization analysis by the Licensee. This approach has been used for all NUHOMS systems loaded to date. The CC characterization analysis takes into account all relevant parameters, such as host fuel assembly burnup and enrichment, and CC cooling time.
The Co-60 equivalence method is applied to a standard 18-gamma energy group source generated by ORIGEN. A CC source due to irradiated silver or hafnium would be generated using ORIGEN and automatically account for any complex decay chains.
The response functions used to convert an 18-group gamma source into a dose rate are added to UFSAR Section 6.2.4. These response functions were also used to rank the fuel assembly source terms for the EOS-37PTH DSC presented in UFSAR Section 6.2.2. To further illustrate the Co-60 equivalent method, an example for an arbitrary CC source containing silver is added to UFSAR Section 6.2.4. The methodology is generic and may be applied to any CC source with an 18-energy group representation.
TS Impact: None UFSAR Impact: The discussion on Co-60 equivalence in UFSAR Section 6.2.4, Control Components, has been revised to provide clarification. Table 6-37a and Table 6-37b have been added to the UFSAR.
1 to E-57418 Additional Changes Not Associated with the RAIs Page 2 of 2
- 3. Integrated Inner Top Cover Plate and Shield Plug
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Description:==
This change clarifies the terminology as well as providing the dimensions and material specifications for the option of an integrated inner top cover plate and top shield plug for the EOS-37PTH and EOS-89BTH DSCs. This option is called Alternate 1 - Integrated Top Shield Plug and Inner Top Cover Plate as shown on drawings EOS01-1000-SAR and EOS01-1005-SAR.
TS Impact: None UFSAR Impact: A clarification is added to Section 1.2.1.1 for EOS-37PTH and Section 1.2.1.2 for EOS-89BTH to clarify the option of using a top shield plug integrated with the inner top cover plate. Drawing EOS01-1000-SAR and Drawing EOS01-1005-SAR have been revised to add drawing details that include dimensions and material specifications for the option of using top shield plug integrated with the inner top cover plate for both the EOS-37PTH and EOS-89BTH DSCs.
- 4. Reduction in Maximum Allowable Heat Load
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Description:==
TS Section 2.1 and 2.2 (Thermal Parameters) allows the flexibility to reduce he maximum allowable heat loads based on the thermal analysis methodology in the UFSAR.
This change to Chapter 2 clarifies that the reduction if necessary may be based on the specific fuel assembly type.
TS Impact: None UFSAR Impact: Section 2.4.3 of UFSAR is updated to clarify the methodology to reduce the maximum allowable heat load based on the fuel assembly type.
- 5. Proposed Clarifications to the ACI Code, Concrete Temperatures
==
Description:==
Paragraph 4.4.4 of Certificate of Compliance (CoC) No. 1042 Appendix A, NUHOMS EOS' System Generic Technical Specifications (TS), TN Americas LLC (TN) requests changes for clarification. In column 1, E.4 is expanded to specify Paragraph E.4.3 to more accurately reflect the code requirement in question. In column 2, the discussions regarding E.4.1 and E.4.2 are removed and replaced with Paragraph E.4.3 requires testing of concrete for temperatures higher than those given in Paragraph E.4.1. In the third column, the phrase 28 days is deleted and the phrase which may be tested up to 56 days is added. These changes are being proposed to clarify whether concrete testing is required, based on HSM component temperatures. E.4.1 defines normal temperature limits. E.4.2 defines accident temperature limits. E.4.3 provides the guidance if the temperature limits from E.4.1 and E.4.2 are exceeded.
TS Impact: Paragraph 4.4.4 has been edited for clarification as discussed above.
UFSAR Impact: None.