Design a single Hem-Fir select structural roof beam (plaster ceiling) which is expected to at least 12 inches deep, with a moisture content of 15% and a span of 22 ft. The symmetrically placed reaction loads (from other beams) on the span shown are due to deac and snow load. Fb 1350 psi, Fv = 170 psi, E =1600 ksi, and y = 27 lb/ft.

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