ARCHIVED - 9.3.1.6.(1)

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9.3.1.6.(1)


Objective	OP2 Structural Sufficiency of the Building
Attribution	(b) [F20-OP2.1,OP2.4] (b) [F21-OP2.3,OP2.4] (b) [F80-OP2.3] (b) [F20-OP2.3] Applies to elements that support or are part of an environmental separator.
Application	Application 1: Minimum compressive strength of cast-in-place concrete that is not required to be reinforced that is used for floors, in buildings to which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application of Part 9]. Exceptions: except as stated in Clause 9.3.1.6.(1)(c), which applies to concrete for garage and carport floors where exposure to de-icing salts, water from rain or melting snow, freezing and thawing stresses, traffic, abrasion or other severe exposure conditions is likely.
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Intent	Intent 1: To limit the probability of: insufficient compressive strength to resist expected gravity loads, or the excessive shrinkage, cracking and premature failure of concrete. This is to limit the probability of compromised structural integrity, which could lead to: structural failure, where concrete is used in an environmental separator, the displacement or failure of required environmental separation elements, which could lead to the deterioration of building elements, which could lead to further compromised structural integrity, or the excessive deflection or cracking of floors. This is to limit the probability of: the space being unsuitable for its intended use, and damage to the building.
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