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The Mansion's overall exterior footprint is 94' x 33'. With the piazza the measurement is 94' x 47' 6". The total square footage of livable space for the Mansion's three floors, excluding the floor area of the basement and piazza, is approximately 7,000. The basement is approximately 3,000 square feet, and the piazza is about 1,400 square feet.
The height of the Mansion from the first floor to the ridge of the roof is 33' 6". From the ridge of the roof to the top of the weathervane is another 25'.
The colonnades are laid out in a 1/4 circle so it is hard to get their exact dimensions. They are approximately 12' x 30' and cover 274.85 square feet.
Floor Plans and Individual Room Measurements:
Mansion First Floor
The average ceiling height for a room on the first floor is 10' 9".
Mansion Second Floor
The average ceiling height for a room on the second floor is 7' 10".
Mansion Third Floor
The average ceiling height for a room on the third floor is 7' 3".
Hipped Roof Slopes - 8.9" in 1' from east to west; 7.7" in 1' from south to north
Piazza Roof Slope - 2.3" in 1' from west to east