ML23041A466

Amendment No. 6 to Certificate of Compliance No. 1032 for the Holtec International Storage Module (Hi-Storm) Flood and Wind (FW) Multipurpose Canister (MPC) Storage System (Docket No. 72-1032, CAC No. 001028, EPID: L-2019-LLA-0231)

ML23041A466
Person / Time
Site:	07201032
Issue date:	02/15/2023
From:	Yoira Diaz-Sanabria Storage and Transportation Licensing Branch
To:	O'Mullane C Holtec
Garcia-Santos N
Shared Package
ML23041A437	List: ML23041A466 ML23041A467 ML23041A468 ML23041A469 ML23041A470
References
CAC 001028, EPID L-2019-LLA-0231
Download: ML23041A466 (2)

Text

February 15, 2023 Christopher OMullane Licensing Engineer Holtec International Holtec Technology Campus 1 Holtec Blvd.

Camden, NJ 08104

SUBJECT:

AMENDMENT NO. 6 TO CERTIFICATE OF COMPLIANCE NO. 1032 FOR THE HOLTEC INTERNATIONAL STORAGE MODULE (HI-STORM) FLOOD AND WIND (FW) MULTIPURPOSE CANISTER (MPC) STORAGE SYSTEM (DOCKET NO. 72-1032, CAC NO. 001028, EPID: L-2019-LLA-0231)

Dear Christopher OMullane:

As requested by your application dated October 2, 2019 (ADAMS Package Accession No. ML19282C357), and supplemented on June 30, 2020 (ML20182A860), December 21, 2020 (ML20356A328), August 2, 2021 (ML21214A130), and November 29, 2021 (ML21333A137),

enclosed is Amendment No. 6 to Certificate of Compliance (CoC) No. 1032 for Holtec International Storage Module (HI-STORM) Flood and Wind (FW) Multipurpose Canister (MPC)

Storage System (hereafter HI-STORM FW system) (Enclosures 1-3). The amended certificate constitutes the U.S. Nuclear Regulatory Commissions (NRC) approval for use of the HI-STORM FW MPC for storage of spent nuclear fuel under the general licensing provisions of 10 CFR Part 72, Subparts K and L, subject to the conditions in the amended certificate.

Holtec proposed the changes described in the table below.

Proposed change Brief description of the change Reason No.

Prevent cask tip over during seismic events Add anchored configuration for the HI-1 at sites where a free-standing overpack STORM FW overpack.

would otherwise overturn or slide.

Allow use of non-single failure proof lifting Allow use of the HI-STORM FW system at equipment during handling of heavy loads 2 sites without single failure proof lifting within the 10 CFR Part 72 jurisdictional equipment.

boundary.

Revise LCO 3.1.2, SFSC Heat Removal Add the option for analysis in lieu of System Operability, to allow an transferring the MPC under LCO 3.1.2, 3 engineering evaluation to be performed in Condition C. Per the applicant, allowing this lieu of transferring the MPC into a transfer option eliminates burden on the site using the cask. HI-STORM FW system.

C. OMullane 2 Proposed change Brief description of the change Reason No.

Revise the Radioactive Effluent Control Eliminating a separate annual report. Per the Program to no longer require annual applicant, allowing this option eliminates 4 submittal of a separate radioactive effluent burden on the site using the HI-STORM FW report [10 CFR 72.44(d)(3)] for the HI-system.

STORM FW system.

Revise the allowable contents for the MPC-37, -89, and -32ML to clarify that fuel debris permitted for storage does not need to meet Allow fuel debris, currently present at 5 all of the dimensional requirements and prospective storage sites, to be stored in the characteristics in tables 2.1-2 and 2.1-3, HI-STORM FW system.

provided that requirements in table 2.1-1 are met.

Clarifying that the minimum cell ID and cell Revise Design Features the MPC-37, -89, wall thickness are nominal dimensions to be and -32ML basket Design Features to consistent with the currently approved testing 6 clarify that the minimum cell ID and and acceptance for the basket panels. Per minimum cell wall thickness are nominal the applicant, this change would also clarify dimensions. that local deviations from the basket ID and cell wall thickness may be possible.

As stated in the Federal Register (88 FR 949; 1/6/2023), the effective date of this CoC is March 22, 2023. The NRC safety evaluation report for this amended to the CoC (including the CoC itself and technical specifications) is enclosed. If you have any questions regarding this amended certificate, please contact Norma García Santos at (301) 415-6999 or Norma.GarcíaSantos@nrc.gov.

Sincerely, Signed by Diaz-Sanabria, Yoira on 02/15/23 Yoira K. Diaz Sanabria, Chief Storage and Transportation Licensing Branch Division of Fuel Management Office of Nuclear Material Safety and Safeguards Docket No. 72-1032 CAC No.: 001028 EPID: L-2019-LLA-0231

Enclosures:

1. CoC No. 1032 Amendment No. 6

2. Appendix A. Technical Specifications

3. Appendix B. Approved Contents and Design Features

4. Final Safety Evaluation Report