The words, terms and phrases used in this chapter for buildings by occupancy, use, construction, or fire hazard shall have the meanings ascribed to them in Chapter
470, Zoning, hereof and in the Uniform Code, and such classifications shall apply as if set out at length herein, except that buildings classified as one- and two-family dwellings and multiple dwellings are not classified on the basis of fire hazard.
In dwelling units, the maximum number of occupants shall be
limited to the number determined on the basis of floor areas of habitable
rooms, other than kitchens, as follows:
A. For the first occupant, at least one minimum floor area of 150 square
feet with a minimum horizontal dimension of 10 feet.
B. For each
additional occupant, at least one minimum floor area of 80 square
feet with a minimum horizontal dimension of seven feet.