Fire department access doors are not required in an exterior wall that does not face a fire apparatus access road provided that all of the following conditions occur:
- The opposite exterior wall faces a fire apparatus access road.
- The opposite exterior wall is provided with fire department access doors.
- The entire interior surface of the exterior wall is less than 150 feet (45 720 mm) away from a fire department access door.
- The building is equipped throughout with an automatic sprinkler system in accordance with Section 903.3.1.1.
Fire department access doors shall be labeled on the exterior side with the following sign or other approved sign:
FIRE DEPARTMENT ACCESS DOOR
DO NOT BLOCK
The lettering shall be in a contrasting color to the background. Letters shall have a minimum height of 2 inches (51 mm) with a minimum stroke of 3/8 inch (10 mm).
The required fire department access doors shall be distributed such that the lineal distance between adjacent fire department access doors does not exceed 125 feet (38 100 mm) measured center to center.
Exception: The linear distance between adjacent access doors shall not exceed 200 feet (60 960 mm) in existing buildings where change in occupancy is not proposed.