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3.2.2.15.(2) | Application | Intent |
OS1 | OP1 | OS1 | OP1 |
Objective | OS1 Fire Safety |
Attribution | |
Application | Application 1: Automatic sprinkler system in a basement in
a portion of a building that is erected entirely
below the adjoining finished ground level and that extends more than one storey below that ground level. This
applies to buildings to which Part 3 applies [see Sentence 1.3.3.2.(1) of Division A for application of Part 3].
Exceptions:
except as exempted in Sentence 3.2.2.15.(3), which applies
to a storey of residential
occupancy located immediately below the first
storey and that is not required to be sprinklered.
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Intent | Intent 1: To limit the probability that loadbearing walls, columns
and arches exposed to fire will prematurely fail or collapse, which could
lead to the failure or collapse of supported floor assemblies during the time
required to achieve occupant safety and for emergency responders to perform
their duties, which could lead to harm to persons. Intent 2: To limit the probability that floor assemblies exposed to
fire will prematurely fail or collapse during the time required to achieve
occupant safety and for emergency responders to perform their duties, which
could lead to harm to persons. Intent 3: To limit the probability that loadbearing walls, columns
and arches exposed to fire will prematurely fail or collapse, which could
lead to the failure or collapse of supported floor assemblies, which could
lead to the spread of fire from a lower storey of a building to an upper storey
or to the exterior during the time required to achieve occupant safety and
for emergency responders to perform their duties, which could lead to harm
to persons. Intent 4: To limit the probability that floor assemblies exposed to
fire will prematurely fail or collapse, which could lead to the spread of
fire from a lower storey of a building to an upper storey or to the exterior
of the building during the time required to achieve occupant safety and for
emergency responders to perform their duties, which could lead to harm to
persons. Intent 5: To limit the probability that, in the event of a fire, the
absence of fire suppression systems within a storey will lead to the growth
of fire, which could lead to the spread of fire within the storey during the
time required to achieve occupant safety and for emergency responders to perform
their duties, which could lead to harm to persons. |
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