It is not called a "floor" but a "deck." Dave and Dan were assigned to the armory wing of the lowest deck, on what was virtually the basement floor of Bancroft Hall, or would have been, but for the mess hall underneath.
As far as wood work went it was a handsome room.

When it came to the matter of furniture it was plain enough.

There was the main or study room.

Off at either side was an alcove bedroom.
There was also a closet in which stood a shower bath.

The one window of the room looked over across the Academy grounds in the direction of Academic Hall.
A cadet petty officer from the first class briefly, crisply instructed them concerning the care of their room, and their duties within its walls.
What followed that afternoon put the heads of the new midshipmen in a whirl.