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3.1.11.2.(1) | Application | Intent |
OS1 | OP1 |
Objective | OS1 Fire Safety |
Attribution | |
Application | Application 1: Blocking off [fire stopping] of concealed spaces within
wall assemblies:
This applies to buildings described
in Sentence 1.3.3.2.(1) of Division A.
Exceptions:
except as provided in Sentence 3.1.11.2.(2), which applies
to insulated wall spaces, the use of noncombustible or
low-flame-spread materials and insulation, and small air spaces.
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Intent | Intent 1: To limit the probability that concealed spaces within wall
assemblies 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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