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9.30.2.2.(2) | Application | Intent |
OS2 | OS3 | OH1 |
Objective | OS2 Structural Safety |
Attribution | |
Application | Application 1: Minimum thickness of panel-type underlay under ceramic
tile applied with adhesive in floors, 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 rigidity of underlay
panels, which could lead to the deformation or displacement of underlay at
joints, which could lead to the cracking of ceramic tile. Where
finished flooring is required to provide water resistance, this is to limit
the probability of the ingress of water into the subfloor, which could lead
to compromised structural integrity of the supporting structure, which could
lead to an inability to resist expected gravity loads, which could lead to
structural collapse, which could lead to harm to persons.
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