Would it be community service or hard labor?
In this case, it could be both, especially if they had to carry out the debris by hand. To prevent any chance of escape, they could use those nifty explosive collars as shown on the campy movie, "The Running Man." All it would take would be a simple modification of those electric shock collars that dog trainers and wireless fences use. Instead of triggering an electric shock, it'd set off a length of Primacord.