When a change of occupancy classification is made to a higher hazard category as shown in Table 1012.6, exterior walls shall have fire resistance and exterior opening protectives as required by the Florida Building Code, Building.
1012.6.2 Exterior Wall Rating for Change of Occupancy Classification to an Equal or Lesser Hazard Category
Openings in exterior walls shall be protected as required by the Florida Building Code, Building. Where openings in the exterior walls are required to be protected because of their distance from the lot line, the sum of the area of such openings shall not exceed 50 percent of the total area of the wall in each story.
- Where the Florida Building Code, Building permits openings in excess of 50 percent.
- Protected openings shall not be required in buildings of Group R occupancy that do not exceed three stories in height and that are located not less than 3 feet (914 mm) from the lot line.
- Where exterior opening protectives are required, an automatic sprinkler system throughout may be substituted for opening protection.
- Exterior opening protectives are not required when the change of occupancy group is to an equal or lower hazard classification in accordance with Table 1012.6.