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9.15.6.2.(1)
OH1OS2OP2
ObjectiveOS2 Structural Safety
Attribution
Application
Application 1: 
Exterior surfaces of concrete block foundation walls that are above ground level on soils having an allowable bearing pressure of 75 kPa or greater, for buildings of wood-frame or masonry construction 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 Sentence 9.15.1.2.(1), which applies to buildings that are erected on permafrost.
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Intent
Intent 1: 
To limit the probability of excessively porous mortar between concrete blocks, which could lead to an inadequate resistance to water, which could lead to the ingress of surface or rainwater, which could lead to deterioration, which could lead to compromised integrity of elements supported or protected by foundations, which could lead to harm to persons.
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