The fire station is not a nuclear facility but there are many aging buildings on site of that are described as building a Ferrari in a model-T factory of the same age. For Navy Nukes Y-12 provides highly the enriched uranium (feedstock) used in the fabrication of fuel for reactors in the Navy's nuclear-powered aircraft carriers and submarines.
New Y-12 fire station in Oak Ridge replaces one built in the 1940s
https://local.newsbreak.com/oak-ridge-tn/3152577293024-new-y-12-fire-station-in-oak-ridge-replaces-one-built-in-the-1940s