To limit the probability that the supports for a floor assembly will prematurely fail in a fire situation, which could lead to the collapse of the floor assembly, which could lead to the spread of fire from the basement to an upper storey during the time required to achieve occupant safety and for emergency responders to perform their duties, which could lead to harm to persons, including emergency responders.
To limit the probability that the supports for a floor assembly will prematurely fail in a fire situation, which could lead to the collapse of the floor assembly during the time required to achieve occupant safety and for emergency responders to perform their duties, which could lead to harm to persons, including emergency responders.