ML20206M161

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Forwards Listed Proprietary Calculations to Support Review of Rancho Seco ISFSI Sar.Proprietary Encls Withheld
ML20206M161
Person / Time
Site: Rancho Seco, 07200011
Issue date: 05/10/1999
From: Delezenski J
SACRAMENTO MUNICIPAL UTILITY DISTRICT
To: Randy Hall
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML20137N650 List:
References
NQA-99-049, NQA-99-49, NUDOCS 9905140205
Download: ML20206M161 (2)


Text

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SACRAMENTO MUNICIPAL UTluTY DISTRICT 0 P. O. Box 15830, Sacramento CA 95852-1830, (916) 452-3211 AN ELECTRIC SYSTEM SERVING THE HEART OF CALIFORNIA NQA 99-049 May 10,1999 U.S. Nuclear Regulatory Commission Attn.: Document Control Desk Washington, DC 20555 Docket No. 72-11 Rancho Seco Independent Spent Fuel Storage Installation Calculations to Support the Review of Rancho Seco Independent Spent Fuel Storage Installation Safety Analysis Report Attention: Randy Hall As you requested, we are providing the following calculations to support your review of the Rancho Seco ISFSI Safety Analysis Report (SAR):

1. TNW calculation 2069.0216 " Rancho Seco NUHOMS Short Cavity (FO) Dry Shield Canister Shell Assembly Structural Analysis," Revision 0
2. TNW calculation 2069.0450 " Dry Storage Clad Temperature Acceptance Limit for Rancho Seco Fuel Assemblies," Revision 0
3. TNW calculation 2069.0501 " Rancho Seco Shielding Material Densities Calculation," Revision 2
4. TNW calculation NUH005.0552 "MP187 FO-DSC Radiological Source Term Calculation," Revision 2
5. TNW calculation NUH005.0553 "MP187 FC-DSC Radiological Source Term Calculation," Revision 2
6. TNW calculation NUH005.0500 " Dose Rates on Standardized NUHOMS HSM, DSC, and Transfer Cask Surfaces Containing 5 And 10 Year Cooled t.

PWR And BWR Fuel," Revision 2 g7

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9905140205 990510 PDR ADOCK 05000312 Y

PDR RANCHO I ECO NUCLEAR GENERATING STATION O 14440 Twin Cities Road, Herald, CA 95638-9799; (209) 333-2935

/

r R. Hall NQA 99-049 l

7. SMUD calculation Z-SFC-M2557 " Decay Heat Value of Spent Fuel and Control Components (December 31,1989 through December 31,2012),"

Revision 0 As discussed in the affidavit attached to our January 28,1999, S AR transmittal letter, these calculations are proprietary and we request that the NRC withhold these l

calculations from public disclosure.

If you, or members of your staff, have questions requiring additional information or clarification, please contact Bob Jones at (916) 732-4843.

Sincerely, W

rry ezenski Superintendent, Quality / Licensing / Admin.

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