Alright, crowd-source brain trust, here's the skinny:
-20x24 brick garage
-The roof and walls are all 2x4, stick built hip roof, with three 2x6 chords running the width of the garage.
-There are 4 2x4 posts coming from common rafters to the 2x6s below.
-No sheet sheathing, just 1x8-12 boards...