You are evaluating an untreated Spruce-Pine-Fir, 2x10, No. 1, S-Dry
rafter. It is located in a roof system where the rafters are spaced at
16 inches on center and are sheathed with 3/4" plywood (nailed
only). You will need to consider dead, snow, and wind loadings which all
act vertically downward (i.e. no uplift from wind). For LRFD, use load
combination 1.3-4. This roof system covers a processing facility where
the rafters will routinely experience 118o temperatures and
dry moisture conditions. What are the applicable published design values
and adjustment factors from both NDS and LRFD?
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