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3.4.6.1.(2) | Application | Intent |
OS3 | OP1 | OS1 |
Objective | OP1 Fire Protection of the Building |
Attribution | |
Application | Application 1: Design, with respect to ice and snow accumulations,
of treads and landings of exterior exit stairs more
than 10 m high. This applies, in buildings described in Sentence 1.3.3.2.(1) of Division A to:
Application 2: This also applies to:
Exceptions:
except as stated in:
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Intent | Intent 1: To limit the probability that ice and snow will accumulate
on treads and landings of exterior exit stairs, which could lead to emergency
responders being delayed or ineffective in carrying out their fire emergency
response operations, which could lead to the spread of fire, which could lead
to damage to the building. |
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