Back3.2.1.4.(1)

ATTRIBUTION:

Functional Statement:

F03

To retard the effects of fire on areas beyond its point of origin.

F04

To retard failure or collapse due to the effects of fire.

Objective:

OS1.2, OS1.3

 

APPLICATION:

Minimum fire-resistance rating of floor assemblies immediately above basements, in buildings described in Sentence 1.3.3.2.(1) of Division A.
This also applies to a crawl space required to be considered as a basement, as stated in Sentence 3.2.2.9.(1).

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.

ATTRIBUTION:

Functional Statement:

F03

To retard the effects of fire on areas beyond its point of origin.

F04

To retard failure or collapse due to the effects of fire.

Objective:

OP1.2, OP1.3

 

APPLICATION:

Minimum fire-resistance rating of floor assemblies immediately above basements, in buildings described in Sentence 1.3.3.2.(1) of Division A.
This also applies to a crawl space required to be considered as a basement, as stated in Sentence 3.2.2.9.(1).

INTENT:

To limit the probability of the spread of fire from the basement to an upper storey, which could lead to damage to the building.
To limit the probability of the premature collapse of the floor assemblies in a fire situation, which could lead to damage to the building.
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.