This is awesome! Not the stress--but the project!
⚙️ That machine looks like a monster, it's a good thing you have a large space to work in, so you have space to move around it and stay out of harms way.
💡 Also your post gave me such a great idea for my next post - I have a similar design to your "bin garage", but its a cover for water cistern and filtration system. And I do so much work in Sketchup that I'm baffled how I didn't think about sharing my designs and plans here.
🐌 One thing to consider, is making sure the wood doesn't touch the ground - to avoid rot.
🌧 Also, I don't know your weather situation, but where I live, I'd consider extending the roof sides just a little bit, to prevent sideways rains from falling in.
Looking forward to seeing updates on the build!