ML24298A155

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Supplement to NACs Request for a Revision to Certificate of Compliance (CoC) No. 9235 for the NAC-STC
ML24298A155
Person / Time
Site: 07109235
Issue date: 10/23/2024
From: Baldner H
NAC International
To:
Office of Nuclear Material Safety and Safeguards, Document Control Desk
Shared Package
ML24298A154 List:
References
ED20240153
Download: ML24298A155 (1)


Text

Atlanta Corporate Headquarters 2 Sun Court, Suite 220 Peachtree Corners, GA 30092 Phone 770-447-1144 www.nacintl.com October 23, 2024 U.S. Nuclear Regulatory Commission 11555 Rockville Pike Rockville, MD 20852-2738 Attn: Document Control Desk

Subject:

Supplement to NAC¶s Request for a Revision to Certificate of Compliance (CoC)

No. 9235 for the NAC-STC Docket No. 71-9235

References:

1. Model No. NAC-STC Package, U.S. Nuclear Regulatory Commission (NRC)

Certificate of Compliance (CoC) No. 9235, Revision 25, April 17, 2024

2. Safety Analysis Report (SAR) for the NAC Storage Transport Cask (NAC-STC), Revision 21, NAC International, November 2023
3. ED20240097, NAC¶s Request for a Revision to Certificate of Compliance (CoC) No. 9235 for the NAC-STC, July 31, 2024
4. ED20240122, Supplement to NAC¶s Request for a Revision to Certificate of Compliance (CoC) No. 9235 for the NAC-STC, August 22, 2024
5. Supplement to NAC¶s Request for a Revision to Certificate of Compliance (CoC) No. 9235 for the NAC-STC, August 29,2024 NAC International (NAC) hereby submits a request to revise the NAC-STC Certificate of Compliance (CoC) No. 9235, Revision 25 (Reference 1). This submittal updates section 8.1.6 to state that only the first package must be subjected to the thermal acceptance test to confirm the NAC-STC heat dissipation design capability. CoC revision 24 revised Condition 9.(d) to state that only the first package must be subjected to the thermal acceptance test to confirm the NAC-STC heat dissipation design capability. However, this to a perceived conflicted between the CoC and SAR section 8.1.6. The headers of these pages contain revision numbers consistent with our administrative practices for pages with changes. The changes contained herein are common to the proprietary and non-proprietary versions of the NAC-STC SAR.

This proposed SAR revision is numbered to uniquely identify the applicable changed pages.

Revision bars mark the SAR text changes on the Revision STC-24D pages (Enclosure 2) to the Reference 2 SAR pages. Enclosure 1 contains a summary of the changes to the SAR for Revision STC-24D. The headers of the SAR pages indicate Revision 24D and the submittal month and year.

ED20240153

ED20240153 Atlanta Corporate Headquarters 2 Sun Court, Suite 220 Peachtree Corners, GA 30092 Phone 770-447-1144 www.nacintl.com U.S. Nuclear Regulatory Commission October 23, 2024 Page 2 of 2 In accordance with NAC¶s administrative practices, upon final acceptance of this application, 24A, 24B 24C, and 24D changed pages will be reformatted and incorporated into the next revision of the NAC-STC SAR.

If you have any comments or questions, please contact me on my direct line at 678-328-1236.

Sincerely, Heath Baldner Director, Licensing Engineering

Enclosures:

+/- List of SAR Changes, NAC-STC SAR, Supplement 04, Revision 24D +/- LOEP and SAR Changed Pages, NAC-STC SAR, Supplement 04, Revision 24D