ML25002A188

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Issuance Letter Amendment 19 to Renewed Certificate of Compliance 1014
ML25002A188
Person / Time
Site: Holtec
Issue date: 04/15/2025
From: Yoira Diaz-Sanabria
Storage and Transportation Licensing Branch
To: Manzione K
Holtec
Shared Package
ML25002A187 List:
References
CAC 001028, EPID L-2024-LLA-0111
Download: ML25002A188 (1)


Text

UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 Kimberly Manzione, Licensing Manager Holtec International Holtec Technology Campus 1 Holtec Blvd Camden, NJ 08104

SUBJECT:

AMENDMENT NO. 19 TO RENEWED CERTIFICATE OF COMPLIANCE NO.

1014 FOR THE HI-STORM 100 CASK SYSTEM (DOCKET NO. 72-1014, CAC NO. 001028, EPID L-2024-LLA-0111)

Dear Kimberly Manzione:

As requested by your application dated August 9, 2024 (Agencywide Documents Access and Management System (ADAMS) Accession No. ML24222A858), as supplemented in letters dated November 4, 2024 (ML24309A286), and November 13, 2024 (ML24318C533), enclosed is Amendment No. 19 to Renewed Certificate of Compliance (CoC) No. 1014 for the HI-STORM 100 Cask System. The amended certificate constitutes the U.S. Nuclear Regulatory Commissions (NRC) approval for use of the HI-STORM 100 Cask System for storage of spent nuclear fuel under the general licensing provisions of Title 10 of the Code of Federal Regulations Part 72, Subparts K and L, subject to the conditions in the amended certificate. This amendment revises the CoC for the HI-STORM 100 System to include the following change:

Update the acceptance criteria and method of evaluation (MOE) for the HI-STORM 100 system tipover accident described in the final safety analysis report for equipment combinations involving multi-purpose canisters (MPCs) with Metamic-HT baskets. This involves applying a new stress-based criteria and completing new evaluations consistent with the new tipover acceptance criteria and MOE established in HI-STORM Flood/Wind MPC Storage System, Amendment No. 7 (ML24199A241). This also involves some adjustments of the existing deflection criteria.

As stated in the Federal Register (90 FR 11891, March 13, 2025), the effective date of this CoC is May 27, 2025. The NRC safety evaluation report for this amended CoC (including April 15, 2025

K. Manzione the CoC appendices) is enclosed. If you have any questions regarding this amended certificate, please contact Yen-Ju Chen at (301) 415-1018.

Sincerely, Yoira Diaz-Sanabria, Chief Storage and Transportation Licensing Branch Division of Fuel Management Office of Nuclear Material Safety and Safeguards Docket No.: 72-1014 CAC No.: 001028 EPID: L-2024-LLA-0111

Enclosures:

1. Final CoC No. 1014, Amendment No. 19
2. Final CoC Appendix A
3. Final CoC Appendix B
4. Final CoC Appendix A-100U
5. Final CoC Appendix B-100U
6. Final CoC Appendix C
7. Final CoC Appendix D
8. Final Safety Evaluation Report Signed by Diaz-Sanabria, Yoira on 04/15/25

ML25002A187 (pkg), ML25002A188 (ltr), ML25002A189 (CoC),

ML25002A190-ML25002A195 (Appendices), ML25002A196 (SER)

OFFICE NMSS/DFM/STLB NMSS/DFM/STLB NMSS/DFM/STLB NAME YChen WWheatley YChen DATE 3/20/2025 3/20/2025 4/15/2025 OFFICE NMSS/DFM/STLB NAME YDiaz-Sanabria DATE 4/15/2025