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11.3.1.1
Minimum wall thicknesses shall be in accordance with Table 11.3.1.1. Thinner walls are permitted if adequate strength and stability can be demonstrated by structural analysis.
Table 11.3.1.1—Minimum wall thickness h
Wall type Minimum thickness h
Bearing[1] Greater of: 4 in. (a)
1/25 the lesser of unsupported length and unsupported height (b)
Nonbearing Greater of: 4 in. (c)
1/30 the lesser of unsupported length and unsupported height (d)
Exterior basement and foundation[1] 7.5 in. (e)
[1]Only applies to walls designed in accordance with the simplified design method of 11.5.3.

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