This is the 3.1 plan, but with the 4.0 program.
Take a look and let me know what I missed please! This is my 2nd try and the lighting this time I did very differently. Makes me wonder which is really right. Ha!
My main question is: Can I have the return rigid duct coming out that close to the supply's rigid duct?? Seem impractical, but didn't want to be inefficient and run it all the way south out of the shaft. Thoughts?