ML20174A484

International, Submittal of Responses to Request for Additional Information for the Review of the Model No. HI-STAR Atb 1T Package Application

ML20174A484
Person / Time
Site:	07109375
Issue date:	06/22/2020
From:	Ngwayah R Holtec
To:	Document Control Desk, Office of Nuclear Material Safety and Safeguards
Shared Package
ML20174A483	List: ML20174A484 ML20174A485 ML20174A486 ML20174A487 ML20174A497
References
EPID L-2019-LRM-0006
Download: ML20174A484 (2)

Text

Krishna P. Singh Technology Campus, 1 Holtec Blvd., Camden, NJ 08104 Telephone (856) 797-0900 Fax (856) 797-0909 June 22, 2020 Pierre Saverot, Project Manager - Storage and Transportation Licensing Branch Division of Spent Fuel Management Office of Nuclear Material Safety and Safeguards ATTN: USNRC Document Control Desk U.S. Nuclear Regulatory Commission Washington, DC 20555-0001 Docket No.: 71-9375 EPID.: L-2019-LRM-0006

Subject:

Submittal of responses to request for additional information for the review of the model no. HI-STAR ATB 1T package application (Non-Proprietary Submittal)

Reference:

[1] Request for Additional Information for the review of the model no. HI-STAR ATB 1T package (Letter from Pierre Saverot (NRC) to Royston Ngwayah (Holtec) dated November 8, 2019)

[2] Application for a Certificate of Compliance (CoC) for Holtecs Model No.

HI-STAR ATB 1T Type B(U)-96 Transportation Package (Holtec Letter no.

2404013-NRC from Royston Ngwayah (Holtec) to Pierre Saverot (NRC) dated June 7, 2019)

Dear Mr. Saverot,

By letter dated November 8, 2019 [1], NRC staff documented requests for additional information (RAIs) that are required to complete their detailed technical review of the HI-STAR ATB 1T Application [2].

In addition to the RAIs responses and related updates to the application, the application submitted herewith also includes the updated ANSI N14.5 (2014) multiplication factor to convert leakage rate from air as tracer gas to helium, an alternative loading guide for the tanks, new definitions added to glossary (Inspection, Testing, Verification), and removal of Post Fabrication Shielding Test. to this letter contains the responses to RAIs. Attachment 2 contains the revised proposed CoC. Attachments 3 and 4 contain the non-proprietary and proprietary versions of the HI-STAR ATB 1T Safety Analysis Report (SAR) Proposed Revision 3. The revised licensing drawings are in Attachment 5. Proprietary supporting calculation reports related to this submittal are in Attachments 6 through 10 of this letter. Attachments 4 through 10 contain proprietary Doc. I.D.: 2404015-NRC Page 1 of 2

Krishna P. Singh Technology Campus, 1 Holtec Blvd., Camden, NJ 08104 Telephone (856) 797-0900 Fax (856) 797-0909 information. Therefore Attachment 11 to this letter is an affidavit prepared in accordance with 10 CFR 2.390 requesting that Attachments 4 through 10 be withheld from public disclosure.

If you have any questions, please contact me at 856-797-0900, ext. 3844.

Sincerely, Royston Ngwayah Licensing Engineer Holtec International cc: (letter only w/o attachments via email)

Andrea Kock (USNRC)

Attachments : Responses to NRCs Request for Additional Information (RAIs) (Non-Proprietary Information) : Revised Proposed Certificate of Compliance (No. 9375) for HI-STAR ATB 1T (Non-Proprietary Information) : HI-STAR ATB 1T Safety Analysis Report (SAR), HI-2146312, Proposed Revision 3 (Non-Proprietary Information) : HI-STAR ATB 1T Safety Analysis Report (SAR), HI-2146312, Proposed Revision 3 (Holtec Proprietary Information) : Revised licensing drawings for cask and BFA-Tanks/Cassettes (Holtec Proprietary Information) : Drop Analysis for the HI-STAR ATB 1T Transport Package, HI-2177539 Rev. 4 (Holtec Proprietary Information) : Structural Calculation Package for HI-STAR ATB 1T Transport Package, HI-2177540 Rev. 3 (Holtec Proprietary Information) : Thermal Evaluation of the HI-STAR ATB 1T Transport Cask, HI-2156585 Rev. 3 (Holtec Proprietary Information) : Shielding Analysis for the HI-STAR ATB 1T, HI-2156583 Rev. 5 (Holtec Proprietary Information) 0: Containment Analysis for the HI-STAR ATB 1T, HI-2156697 Rev. 2 (Holtec Proprietary Information) 1: Affidavit Pursuant to 10 CFR 2.390 to Withhold Information from Public Disclosure Doc. I.D.: 2404015-NRC Page 2 of 2