Text

Information Transmittal for NRC Confirmatory Calculations Regarding Transition to Atrium 11 Fuel
	ML21218A192
Person / Time
Site:	Browns Ferry
Issue date:	08/06/2021
From:	Polickoski J; Tennessee Valley Authority
To:	; Document Control Desk, Office of Nuclear Reactor Regulation
Shared Package
ML21218A191	List: CNL-21-061, Information Transmittal for NRC Confirmatory Calculations Regarding Transition to Atrium 11 Fuel;
References
	CNL-21-061
	Download: ML21218A192 (20)
	v • d • e

Proprietary Information - Withhold Under 10 CFR 2.390 This letter is decontrolled when separated from Enclosures 2, 4, and 6 1101 Market Street, Chattanooga, Tennessee 37402 CNL-21-061 August 6, 2021 10 CFR 50.4 ATTN: Document Control Desk U.S. Nuclear Regulatory Commission Washington, D.C. 20555-0001 Browns Ferry Nuclear Plant, Units 1, 2, and 3 Renewed Facility Operating License Nos. DPR-33, DPR-52, and DPR-68 NRC Docket Nos. 50-259, 50-260, and 50-296

Subject:

Browns Ferry Nuclear Plant, Units 1, 2, and 3, Information Transmittal for NRC Confirmatory Calculations Regarding Transition to ATRIUM 11 Fuel

Reference:

TVA Letter to NRC, CNL-21-053, Request for License Amendment Regarding Application of Advanced Framatome Methodologies, and Adoption of TSTF-564 Revision 2 for Browns Ferry Nuclear Plant, Units 1, 2, and 3, in Support of ATRIUM 11 Fuel Use at Browns Ferry (TS-535), dated July 23, 2021 (ML21204A128 and ML21204A129)

By the referenced letter dated July 23, 2021, Tennessee Valley Authority (TVA) submitted a license amendment request (LAR) for the Browns Ferry Nuclear Plant (BFN), Units 1, 2, and 3. The proposed license amendment revises Technical Specification 5.6.5.b to allow application of Advanced Framatome Methodologies for determining core operating limits in support of loading Framatome fuel type ATRIUM 111.

The Nuclear Regulatory Commission (NRC) has requested certain information for the purposes of performing Anticipated Transient Without Scram with Instability (ATWS-I) confirmatory calculations using the TRACE computer code. The majority of the information requested was provided in the LAR; this transmittal provides requested information that was not included in the LAR. contains a roadmap for the information provided. Enclosure 2 contains FS1-0056904, Browns Ferry ATRIUM 11 LAR Flux Map, which provides regional flux maps and eigenvalues for exposure points of interest. Enclosure 4 contains FS1-0035159, Framatome U.S. BWR Fuel Assembly Weight Calculation for ATRIUM 11 Family of Fuel 1

ATRIUM 11 is a trademark or registered trademarks of Framatome, Inc., its affiliates and/or its subsidiaries in the United States of America and may be registered in other countries throughout the world. All rights reserved. Unauthorized use is strictly prohibited. Other names may be trademarks of their respective owners.

Proprietary Information - Withhold Under 10 CFR 2.390 This letter is decontrolled when separated from Enclosures 2, 4, and 6

Proprietary Information - Withhold Under 10 CFR 2.390 This letter is decontrolled when separated from Enclosures 2, 4, and 6 U.S. Nuclear Regulatory Commission CNL-21-061 Page 2 August 6, 2021 Designs, which provides ATRIUM 11 spacer grid information. Enclosure 6 contains drawings with fuel rod and channel box mechanical designs. Enclosures 2, 4, and 6 are proprietary in their entirety. Framatome, as owner of the proprietary information, has executed the affidavits provided in Enclosures 3, 5, and 7, which identify the information as proprietary, is customarily held in confidence, and should be withheld from public disclosure in accordance with 10 CFR 2.390. Correspondence with respect to the copyright or proprietary aspects of the items listed above or the supporting Framatome affidavits should reference the corresponding report and should be addressed to Alan Meginnis, Framatome, Manager, Product Licensing, 2101 Horn Rapids Road, Richland, Washington 99354.

There are no new regulatory commitments in this letter. Please address any questions regarding this submittal to Kimberly D. Hulvey, Senior Manager, Fleet Licensing, at (423) 751-3275.

Respectfully, for James T. Polickoski Director, Nuclear Regulatory Affairs Enclosures

1. Roadmap for Framatome Input Data for NRC TRACE Analysis

2. FS1-0056904 Revision 1, Browns Ferry ATRIUM 11 LAR Flux Map, Framatome Inc., June 2021 (proprietary)

3. Affidavit for Enclosure 2

4. FS1-0035159 Revision 7.0, Framatome U.S. BWR Fuel Assembly Weight Calculation for ATRIUM 11 Family of Fuel Designs, Framatome Inc., March 2021.

(proprietary)

5. Affidavit for Enclosure 4

6. Fuel Rod and Channel Box Drawings (proprietary)

FS1-0036099, Revision 1, "FLFR Non-Liner Cladding," February 2018 FS1-0036100, Revision 1, "LPLFR Non-Liner Cladding," February 2018 FS1-0036101, Revision 1, "SPLFR Non-Liner Cladding," February 2018 FS1-0014017 Revision 4, "Fuel Channel," June 2019 FS1-0014478 Revision 4, "Fuel Channel Weldment," September 2020

7. Affidavit for Enclosure 6 cc (Enclosure):

NRC Regional Administrator - Region II NRC Project Manager - Browns Ferry Nuclear Plant NRC Senior Resident Inspector - Browns Ferry Nuclear Plant Proprietary Information - Withhold Under 10 CFR 2.390 This letter is decontrolled when separated from Enclosures 2, 4, and 6

ENCLOSURE 1 Roadmap for Framatome Input Data for NRC TRACE Analysis CNL-21-061

Enclosure 1 The roadmap below provides information requested by the Nuclear Regulatory Commission for the purposes of performing Anticipated Transient Without Scram with Instability confirmatory calculations using the TRACE computer code.

1. Equilibrium cycle design is provided in Reference 1.

2. Statepoint data is provided in Reference 1.

3. Beginning of Cycle/End of Cycle burnup and power maps are provided in Reference 1.

4. Lattice configurations are provided in Reference 2.

5. Fuel assembly thermal-hydraulic design The Browns Ferry ATRIUM 11 assembly thermal hydraulic design is the same as the Brunswick design. Note that plant parameters, such as the fuel support orifice sizing, are not necessarily equivalent between the Browns Ferry and Brunswick units.

6. Fuel rod and channel box material and mechanical design Fuel Rod Mechanical Designs are provided in References 3, 4, and 5.

Fuel Channel Designs are provided in References 6 and 7.

Fuel rod material, end cap material, plenum spring material, part length fuel rod Plenum Spacer material, and pellet material are specified in Reference 9.

Fuel Channel Material is specified in Reference 9.

7. The first flux harmonic shape and eigenvalue separation for the time in cycle of peak hot excess reactivity is provided in Reference 8.

8. Spacer grid material and masses are provided in Reference 9.

References:

1. ANP-3854P Revision 1, Browns Ferry ATRIUM 11 Equilibrium Cycle Fuel Cycle Design Report, Framatome Inc. June 2020 (Attachment 6a of LAR (ML21204A128))

2. ANP-3850P Revision 0, Browns Ferry ATRIUM 11 Equilibrium Cycle Nuclear Fuel Design Report, Framatome Inc. May 2020 (Attachment 7a of LAR (ML21204A128))

3. FS1-0036099 Revision 1, FLFR Non-Liner Cladding, Framatome Inc.

February 2018 (provided in Enclosure 6)

4. FS1-0036100 Revision 1, LPLFR Non-Liner Cladding, Framatome Inc.

February 2018 (provided in Enclosure 6)

5. FS1-0036101 Revision 1, SPLFR Non-Liner Cladding, Framatome Inc.

February 2018 (provided in Enclosure 6)

CNL-21-061 E1 1 of 2

Enclosure 1

6. FS1-0014017 Revision 4, Fuel Channel, Framatome Inc. June 2019 (provided in Enclosure 6)

7. FS1-0014478 Revision 4, Fuel Channel Weldment, Framatome Inc.

September 2020 (provided in Enclosure 6).

8. FS1-0056904 Revision 1, Browns Ferry ATRIUM 11 LAR Flux Map, Framatome Inc. June 2021 (provided in Enclosure 2)

9. FS1-0035159 Revision 7.0, Framatome U.S. BWR Fuel Assembly Weight Calculation for ATRIUM 11 Family of Fuel Designs, Framatome Inc. March 2021 (provided in Enclosure 4)

CNL-21-061 E1 2 of 2

Proprietary Information - Withhold Under 10 CFR 2.390 ENCLOSURE 2 FS1-0056904 Revision 1, Browns Ferry ATRIUM 11 LAR Flux Map, Framatome Inc.,

June 2021 Proprietary Information - Withhold Under 10 CFR 2.390 CNL-21-061

ENCLOSURE 3 Affidavit for Enclosure 2 CNL-21-061

AFFIDAVIT

1. My name is Alan B. Meginnis. I am Manager, Product Licensing, for Framatome Inc. and as such I am authorized to execute this Affidavit.

2. I am familiar with the criteria applied by Framatome to determine whether certain Framatome information is proprietary. I am familiar with the policies established by Framatome to ensure the proper application of these criteria.

3. I am familiar with the Framatome information contained in the report FS1-0056904, Revision 1, "Browns Ferry ATRIUM 11 LAR Flux Map," dated June 2021 and referred to herein as "Document." Information contained in this Document has been classified by Framatome as proprietary in accordance with the policies established by Framatome for the control and protection of proprietary and confidential information.

4. This Document contains information of a proprietary and confidential nature and is of the type customarily held in confidence by Framatome and not made available to the public. Based on my experience, I am aware that other companies regard information of the kind contained in this Document as proprietary and confidential.

5. This Document has been made available to the U.S. Nuclear Regulatory Commission in confidence with the request that the information contained in this Document be withheld from public disclosure. The request for withholding of proprietary information is made in accordance with 10 CFR 2.390. The information for which withholding from disclosure is requested qualifies under 10 CFR 2.390(a)(4) "Trade secrets and commercial or financial information. "

6. The following criteria are customarily applied by Framatome to determine whether information should be classified as proprietary:

(a) The information reveals details of Framatome's research and development plans and programs or their results.

(b) Use of the information by a competitor would permit the competitor to Significantly reduce its expenditures, in time or resources, to design, produce, or market a similar product or service.

(c) The information includes test data or analytical techniques concerning a process, methodology, or component, the application of which results in a competitive advantage for Framatome.

(d) The information reveals certain distinguishing aspects of a process, methodology, or component, the exclusive use of which provides a competitive advantage for Framatome in product optimization or marketability.

(e) The information is vital to a competitive advantage held by Framatome, would be helpful to competitors to Framatome, and would likely cause substantial harm to the competitive position of Framatome.

The information in the Document is considered proprietary for the reasons set forth in paragraphs 6(b), 6(d) and 6(e) above.

7. In accordance with Framatome's policies governing the protection and control of information, proprietary information contained in this Document have been made available, on a limited basis, to others outside Framatome only as required and under suitable agreement providing for nondisclosure and limited use of the information.

8. Framatome policy requires that proprietary information be kept in a secured file or area and distributed on a need-to-know basis.

9. The foregoing statements are true and correct to the best of my knowledge, information, and belief.

I declare under penalty of perjury that the foregoing is true and correct.

Executed on: June 14, 2021

~j_~

Alan B. Megin~ tl

Proprietary Information - Withhold Under 10 CFR 2.390 ENCLOSURE 4 FS1-0035159 Revision 7.0, Framatome U.S. BWR Fuel Assembly Weight Calculation for ATRIUM 11 Family of Fuel Designs, Framatome Inc., March 2021 Proprietary Information - Withhold Under 10 CFR 2.390 CNL-21-061

ENCLOSURE 5 Affidavit for Enclosure 4 CNL-21-061

AFFIDAVIT

1. My name is Alan B. Meginnis. I am Manager, Product Licensing, for Framatome Inc. and as such I am authorized to execute this Affidavit.

2. I am familiar with the criteria applied by Framatome to determine whether certain Framatome information is proprietary. I am familiar with the policies established by Framatome to ensure the proper application of these criteria.

3. I am familiar with the Framatome information contained in the report FS1-0035159 Revision 7, "Framatome U.S. BWR Fuel Assembly Weight Calculation for ATRIUM 11 Family of Fuel Designs," dated March 2021 and referred to herein as "Document."

Information contained in this Document has been classified by Framatome as proprietary in accordance with the policies established by Framatome for the control and protection of proprietary and confidential information.

4. This Document contains information of a proprietary and confidential nature and is of the type customarily held in confidence by Framatome and not made available to the public. Based on my experience, I am aware that other companies regard information of the kind contained in this Document as proprietary and confidential.

5. This Document has been made available to the U.S. Nuclear Regulatory Commission in confidence with the request that the information contained in this Document be withheld from public disclosure. The request for withholding of proprietary information is made in accordance with 10 CFR 2.390. The information for which withholding from disclosure is requested qualifies under 10 CFR 2.390(a)(4) 'Trade secrets and commercial or financial information. "

6. The following criteria are customarily applied by Framatome to determine whether information should be classified as proprietary:

(a) The information reveals details of Framatome's research and development plans and programs or their results.

(b) Use of the information by a competitor would permit the competitor to significantly reduce its expenditures, in time or resources, to design, produce, or market a similar product or service.