Hot tub factory layout?

Just wondering if anyone ever visited it, or if there was ever a floor plan shared. I find it fascinating that every shot was done here with different sets (except for Londo in the parking lot). I’d love to know which ones stayed up and which ones changed, or how the process of building a new set took place. How much advance notice did the set people need? It’s amazing what you can do to make a station seem real enough that when the last episode came, you felt the death of a character that was a place.