INTENT:
To limit the probability of 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 of the premature collapse of the
floor assemblies in a fire situation 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 direct Code users to Articles
3.2.2.20. to
3.2.2.83. for the determination of minimum fire-resistance ratings for the floor assemblies.