Kevo-
The tributary I was wondering about is for the roof live load reduction calculation. In my calculation, I took the tributary of the rafter to be the length times the width. But for reducing roof live loads, I now believe it should be the tributary based on the horizontal projection of the...
Also, I am not sure if the live load reduction is supposed to be based on the tributary area along the length of the sloping beam or based on the horizontal projected tributary?
Can someone please check my attached roof live load reduction and application calc?
I was not sure at first if when designing a single member in a truss, if the reduction should be based on the entire truss tributary or on the individual web or chord member I am designing. But if you design...