ISFSI and Dry Cask Storage
The Independent Spent Fuel Storage Installation (ISFSI) is often a concrete storage pad for the metal casks which store the spent fuel. The facility also includes piping and the related instrumentation for monitoring the pressure within the casks. This pressure will vary throughout the year because of the outside temperature. The ISFSI must be licensed by the NRC in accordance with 10CFR72. The ISFSI operator (usually the utility) must submit a safety evaluation report to prove to the NRC and the public that the facility meets the regulatory requirements. In some cases, the fuel may be stored within a concrete cask.
The following are links to pictures of a typical facility, including movement between the fuel building and the storage pad. In some of the photos, you will see a 17 foot high berm.
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