In a sprinklered building with a fire separation distance of 10 to less than 15 ft, what is the maximum percentage of wall openings allowed?

In a sprinklered building situated with a fire separation distance of 10 to less than 15 feet, the maximum percentage of wall openings allowed is indeed limited to 15%. This provision is established to enhance fire safety by restricting the degree of exposure to potential fire hazards from adjacent structures or properties.

Fire separation distance is the space between buildings or structures that is intended to provide protection from the spread of fire. In instances where the distance is not great enough, allowing a higher percentage of openings could increase the risk of fire spreading through these openings. The limitation to 15% helps to ensure that the wall can still function effectively as a barrier against flames and heat.

The standards typically derive from building and fire codes that consider factors such as the fire load, building occupancy, and proximity to adjacent structures. By capping the number of openings, this regulation seeks to strike a balance between allowing natural light and ventilation while also maintaining a necessary level of fire safety.