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9.24.3.7.(2) | Application | Intent |
OS1 |
Objective | OS1 Fire Safety |
Attribution | |
Application | Application 1: Installation of sills and headers at openings for fire dampers in non-loadbearing exterior
and interior walls required to have a fire-resistance
rating, in buildings to which Part 9 applies
[see Sentence 1.3.3.3.(1) of Division A for application of Part 9].
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Intent | Intent 1: To limit the probability of inadequate strength of joints,
which could lead to the warping of steel sills or headers on exposure to heat
from a fire, which could lead to the premature failure of the protecting membranes
or compromised operation of fire dampers, which could lead to the breaching
of fire-rated assemblies, which could lead to harm to persons.
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