Which type of building occupancy typically requires the highest level of fire protection?

Hazardous occupancy requires the highest level of fire protection due to the inherent risks associated with the materials and processes involved. Buildings classified under this type commonly house activities or substances that are flammable, explosive, toxic, or otherwise pose significant dangers to life and property. As a result, they are subject to stricter fire codes and safety regulations to mitigate risks, including advanced fire suppression systems, enhanced fire detection measures, and specific construction requirements designed to contain potential fires or explosions.

Business, residential, and industrial occupancies, while still needing adequate fire safety measures, do not typically involve the same degree of risk and thus have different fire protection requirements. Business occupancy focuses on office settings and services where the fire load and risk are usually lower. Residential occupancy encompasses living spaces where fire risks, while serious, are often addressed through standard fire safety practices. Industrial occupancy, involving manufacturing and production, may also have significant hazards, but they generally do not match the level of risk posed by hazardous occupations, which often deal directly with dangerous substances.