ENS 48698

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v t e ENS Event
16:00 Jan 24, 2013
Title	Non-Compliance with Storage Cask Technical Specification Limits
Event Description	This report is being submitted pursuant to Transnuclear (TN)-68 Technical Specification (TS) Section 2.2, which requires reporting of non-compliances with the Functional and Operational limits of TS Section 2.1.1. A recent review of historical ISFSI [Independent Spent Fuel Storage Installation] fuel characterization data found that in the ISFSI 2001 campaign, a total of four Unit 3 fuel assemblies were loaded into four dry cask storage casks (i.e., one assembly per cask) having been cooled for 9.8 years, with a decay heat value of 0.201 kW each, which is well below the 0.312 kW limit (TN-68 TS 2.1.1.). Therefore, it is not expected that there were any actual thermal related concerns with the fuel or the associated cask components. However, this was contrary to the Functional and Operational limits of TS Section 2.1.1 , Table 2.1.1-1, which requires the assemblies to have been cooled for 10 years. The decay heat of the assemblies has continued to decrease since their initial loading in 2001 and all assemblies currently meet the TS 2.2.1 limits. The fuel assemblies are in a safe condition as required by TS 2.2.1. These casks were loaded under TN-68 Certificate of Compliance (C of C) Amendment 0 (Certificate 1027). This notification is required pursuant to TN-68 TS Section 2.2.2. This issue has been entered into the Corrective Action Program. The NRC Resident Inspector has been informed.

ENS 48698 +/-
Where
Exelon Generation Company, Llc Philadelphia, Pennsylvania (NRC Region 1)
License number:	GL
Organization:	Peach Bottom
Reporting

Other Unspec Reqmnt
Time - Person (Reporting Time:+17.72 h0.738 days <br />0.105 weeks <br />0.0243 months <br />)
Opened:	Barry Levins 09:43 Jan 25, 2013
NRC Officer:	Steve Sandin
Last Updated:	Jan 25, 2013
48698 - NRC Website Loading map... {"minzoom":false,"maxzoom":false,"mappingservice":"leaflet","width":"350px","height":"250px","centre":false,"title":"","label":"","icon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"zoom":6,"defzoom":14,"layers":["OpenStreetMap"],"image layers":[],"overlays":[],"resizable":false,"fullscreen":false,"scrollwheelzoom":true,"cluster":false,"clustermaxzoom":20,"clusterzoomonclick":true,"clustermaxradius":80,"clusterspiderfy":true,"geojson":"","clicktarget":"","imageLayers":[],"locations":[],"imageoverlays":null}
v • d • e

v t e Emergency Notification System
Exelon with Other Unspec Reqmnt
WEEKMONTHYEAR2013-01-24T16:00:00 [Table view]
[ENS list for Exelon]

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