What is defined as a combination of the fuel involved and the hazard of the occupancy?

The term that refers to a combination of the fuel involved and the hazard of the occupancy is best understood as "Fire Load." Fire load takes into account the type and amount of combustible materials present in a given space, alongside the specific risks associated with that occupancy type. This concept is crucial for understanding how quickly and intensely a fire may develop, as different materials have varying rates of combustion and heat release.

While "Risk Assessment" involves evaluating the overall likelihood of a fire occurring and the potential consequences, it doesn't specifically address the combination of fuel and occupancy hazard. Similarly, "Fuel Source" refers specifically to the materials that can ignite and sustain a fire, but it does not consider the overall context of the environment or risks associated with the occupancy. "Hazard" in a general sense denotes any source of potential damage or harm, but it is less specific than "Fire Load" in connecting the particular materials with the risks of the occupancy.

Thus, "Fire Load" encapsulates the idea of combining the fuel characteristics and the occupancy's risks and vulnerabilities, making it a more precise term in the context of fire safety evaluations.