A new floor was being laid on top of the existing one.
In the 19th century, a new floor was laid down.
Some require painting, others need a new floor, a window or a door.
In the fall of 1994, a new floor was put down.
Other than the new floor, the facility changed very little in the first 40 years of its existence.
Some of them were removed from the walls and left under the new floor.
It will not be the first time a new floor has been added to the building.
"The last thing we wanted was a shiny new floor," he said.
In the 1940s, the station caught fire and during the rebuilding process, a new floor was added to the building.
The new floor was that much higher for the bodies under the former ceiling.