Question: A 6 x 1 2 Select Structural Spruce - Pine - Fir beam is used in a roof system. Assume SDL = 1 0 0

A 6x12 Select Structural Spruce-Pine-Fir beam is used in a roof system. Assume SDL =100 plf, Snow load =700 plf, laterally braced at the supports and midspan. MC <19%, T <100\deg F.
a. What is the maximum span length based on bending capacity?
b. Is this member adequate for shear?
c. What is the total deflection? Does it meet a total deflection limit for roofs not supporting ceilings?

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