This article is important

3.2.3.13.2) If an unenclosed exterior exit #stair or ramp could be exposed to fire from an opening in the exterior wall of the building it serves, the opening in the exterior #wall of the building shall be protected in conformance with the requirements of Sentence (4) where the opening in the exterior wall of the building is within 3m horizontally and

a) less than 10m below the exit stair or ramp, or

b) less than 5m above the exit stair or ramp.

#exteriorexitstair #exteriorwall #exitstair #exitramp #buildingcode