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9.29.6.2.(2)
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Application
Application 1: 
Maximum depth of grooves in grooved plywood interior wall and ceiling finishes, where the grain of the face ply is at right angles to the supporting members and where the thickness of plywood exceeds the value shown in Table 9.29.6.1. by an amount equal to not less than the depth of penetration of the grooves into the plies below the face ply, 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 exempt from the application of Sentence (1) plywood finishes that are supported at right angles to the face ply, where the grooves will not weaken the plywood finish more than grooves conforming to Sentence (1).
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