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9.26.3.1.(2) | Application | Intent |
OS2 | OH1 |
Objective | OS2 Structural Safety |
Attribution | |
Application | Application 1: Slopes for asphalt and gravel roofs and coal tar and
gravel roofs that do not conform to the minimum slopes required by Table 9.26.3.1. and are provided with effective roof drains located at
the lowest points of roofs, on 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 water ponding on roof surfaces
for extended periods, which could lead to:
This is to limit the probability of precipitation
or meltwater ingress, which could lead to deterioration, which could lead
to the structural failure of roofs or assemblies protected by roofs, which
could lead to harm to persons.
Intent 2: To expand the application of Sentence 9.26.3.1.(1) to
allow lower slopes where drainage is provided. |
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