Sweden has done something like this but on a grand scale. But that is because Sweden’s mountains are thick and granite, a very hard rock. And the Swedes are very good hard rock miners. As deep as 500 meters.
The Äspö Hard Rock Laboratory.
http://i.imgur.com/hWoxgjl.gif
The Forsmark Repository.
http://i.imgur.com/UfWnDDj.jpg
