Sentence 3.2.1.4.(1)

Intent 1:

To limit the probability of the spread of fire from the basement to an upper storey, which could lead to damage to the building.

Intent 2:

To limit the probability of the premature collapse of the floor assemblies in a fire situation, which could lead to damage to the building.

Intent 3:

To direct Code users to Articles 3.2.2.20. to 3.2.2.90. for the determination of minimum fire-resistance ratings for the floor assemblies.