ARCHIVED - 9.12.4.1.(1)

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9.12.4.1.(1)


Objective	OP2 Structural Sufficiency of the Building
Attribution	[F21-OP2.2] [F21-OP2.3] Applies to elements that support or are part of an environmental separator.
Application	Application 1: Preparation of trenches for sewers and water mains that pass beneath the foundation footings of 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 excessive soil settlement beneath foundation footings, which could lead to: structural damage to foundations or damage to foundations' moisture-control elements, or where settlement occurs at water-service locations, the rupture of water lines, which could lead to leakage and undermining of the foundation, which could lead to the structural failure of foundations and superstructures. At sewer-line and water-service locations, this is to limit the probability of compromised structural integrity, which could lead to: structural failure, for environmental separators or elements supporting an environmental separator, the displacement or failure of required environmental separation elements, which could lead to the deterioration of building elements, or an inability to resist expected loads, which could lead to the excessive deformation or deflection of walls, or the excessive deflection or vibration of floors. This is to limit the probability of: the space being unsuitable for its intended use, or damage to the building.
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