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3.1.9.1.(1) | Application | Intent |
| OS1 | OP1 |
| Objective | OS1 Fire Safety |
| Attribution | |
| Application | Application 1: Fire stopping of piping, tubing, ducts, chimneys,
optical fibre cables, electrical wires and cables, totally enclosed noncombustible raceways, electrical outlet boxes and
other similar building services that penetrate fire separations, in buildings described
in Sentence 1.3.3.2.(1) of Division A.
Exceptions:
except as stated in:
Application 2: Clause 3.1.9.1.(1)(b) also applies to certain combustible water distribution piping that penetrates
a vertical fire separation, in buildings to
which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application
of Part 9], as stated in Sentence 9.10.9.6.(7). |
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| Intent | Intent 1: To limit the probability that openings in fire separations--made
by various types of service equipment penetration--will not be sealed or cast
in place, which could lead to a failure of the integrity of the fire separations,
which could lead to the spread of fire and smoke from one fire compartment
to another fire compartment, which could lead to harm to persons in the other
fire compartment. Intent 2: To limit the probability that fire will spread into the
fire-rated assembly through the protecting membrane, which could lead to the
premature collapse or failure of the assembly, which could lead to harm to
persons. |
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