This is a screenshot from a building code advisory from the city of Regina on mezzanine. In example #2, in room #2, the enclosed mezzanine is indicated as 12% of the open area while 15% of the floor area (of the room). It doesn't make much sense to me, as the way I understand, the percentage of a mezzanine to the open area of the room should be greater than the percentage to the floor area ( since floor area of a room is larger than the open area). Would the percentages indicated be a typo, or there is scenario where the percentages are correct?
https://www.dropbox.com/s/iv6vw00fnl4u08m/12 % of open area 15% of floor area.jpg?dl=0
https://www.dropbox.com/s/iv6vw00fnl4u08m/12 % of open area 15% of floor area.jpg?dl=0