ML091950158

Registration of Use of Casks to Store Spent Fuel and First System Thermal Performance Assessment

ML091950158
Person / Time
Site:	Limerick, 07201004
Issue date:	07/14/2009
From:	Mudrick C Exelon Generation Co, Exelon Nuclear
To:	Document Control Desk, Office of Nuclear Material Safety and Safeguards
References
Download: ML091950158 (3)

Text

10CFR72.212 July 14, 2009 U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555-0001 Limerick Generating Station, Unit 1 and Unit 2 Facility Operating License Nos. NPF-39 and NPF-85 NRC Docket Nos. 50-352, 50-353 and 07200065

Subject:

Registration of Use of Casks to Store Spent Fuel and First System Thermal Performance Assessment This letter provides formal notification that three additional casks have been placed in service to store spent fuel. This notification is required by 10CFR72.212, "Conditions of general license issued under § 72.210", paragraph (b)(1)(ii), which states that the general licensee shall "Register use of each cask with the Nuclear Regulatory Commission no later than 30 days after using that cask to store spent fuel".

Licensee Name Exelon Generation Company, LLC Licensee Address Limerick Generating Station 3146 Sanatoga Road Pottstown, PA 19464 Reactor License Numbers NPF-39 and NPF-85 Reactor Docket Numbers 50-352, 50-353 and 07200065 Contact Name and Title Robert E. Kreider Manager - Regulatory Assurance Cask Certificate Number 1004 Cask Model Number NUHOMS-61BTH HSM Model Number HSM 202 1

Cask Identification Numbers LGS-61BTH-1-C-2-013 LGS-61BTH-1-C-2-014 LGS-61BTH-1-C-2-015 Service Date June 16, 2009 (LGS-61BTH-1-C-2-013)

June 22, 2009 (LGS-61BTH-1-C-2-014)

June 28, 2009 (LGS-61BTH-1-C-2-015)

This letter also provides 30-day notification of the results of the thermal performance assessment for the first system in place that is required by Certificate of Compliance For Spent Fuel Storage Casks, Certificate No. 1004, Amendment No. 9, Attachment A, Technical Specification 1.1.7, Special Requirements for First System in Place. This information was provided by letter dated August 27, 2008 for the Dry Storage Canister (DSC) with the highest heat load at that time. The letter reported that DSC LGS-61B-005-A had the highest heat load (10.25 kW).

The heat loads for the following three DSCs each exceeded 10.25 kW. DSC LGS-61BTH-1-C-2-015 had the highest heat load (11.63 kW). The result of this assessment is also provided for DSC LGS-61BTH-1-C-2-013 (10.69 kW) and DSC LGS-61BTH-1-C-2-014 (10.98 kW), which have lower heat loads, for your information.

Dry Storage Canister Number LGS-61BTH-1-C-2-013 Horizontal Storage Module Number 00-S114/HSM-013 Maximum Allowable Heat Load 18.3 kW Actual Loaded Heat Load 10.69 kW Calculated Temperature Rise 39.0 degrees F Measured Temperature Rise 2.3 degrees F Dry Storage Canister Number LGS-61BTH-1-C-2-014 Horizontal Storage Module Number 00-S114/HSM-015 Maximum Allowable Heat Load 18.3 kW Actual Loaded Heat Load 10.98 kW Calculated Temperature Rise 39.0 degrees F Measured Temperature Rise 4.5 degrees F Dry Storage Canister Number LGS-61BTH-1-C-2-015 Horizontal Storage Module Number 00-S114/HSM-017 Maximum Allowable Heat Load 18.3 kW Actual Loaded Heat Load 11.63 kW Calculated Temperature Rise 37.0 degrees F Measured Temperature Rise 9.5 degrees F

Reference:

ST-4-114-360-0 Independent Spent Fuel Storage Installation (ISFSI) Technical Specification Testing 2

There are no commitments contained in this letter.

If you have any questions or require additional information, please do not hesitate to contact us.

Sincerely, Original signed by Christopher H. Mudrick Vice President - Limerick Generating Station Exelon Generation Company, LLC cc: S. J. Collins, Administrator Region I, USNRC E. M. DiPaolo, USNRC Senior Resident Inspector, LGS 3