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3.1.11.3.(1) | Application | Intent |
| OS1 | OP1 |
| Objective | OS1 Fire Safety |
| Attribution | |
| Application | Application 1: Blocking off [fire stopping] between wood nailing
elements of concealed spaces in which there is an exposed ceiling finish with
a flame-spread rating more than 25.
This applies to buildings described
in Sentence 1.3.3.2.(1) of Division A that are required to be of noncombustible construction.
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| Intent | Intent 1: To limit the probability that certain concealed spaces will
not be separated from certain other parts of the building, which could lead
to the spread of fire within these spaces, which could lead to harm to persons.
Intent 2: To limit the probability that fire stopping material used
to block and separate concealed spaces will not remain in place for a certain
minimum time when subjected to fire conditions, which could lead to the spread
of fire within these spaces, which could lead to harm to persons.
Intent 3: To state the application of Article 3.1.11.7.
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