butterfly roof timberframe shop

[Ocate]

I'm making a modern shop using a butterfly roof. quick reason is water catchment easy, and passive solar low roof warmth. 

first pic isn't complete.

Anyway I feel like using some modified joinery for the bents. as the roof will want to lift 
in high winds, here we gust to 60.  i plan on screwing the rafters to the bents.

posts to girt, i am looking for minimal slick work more circular saw cutting. so i dont want to use a 
scarf joint, i am not an advanced wood worker. 

Any ideas, i am open to constructive criticism.