My Grow room (?) Check my foolishness please! WIth pics

This is what I am planning to do. Someone please reassure me that I am still an extreme noob and obviously have no idea what i am doing. I am sure thats the case but I am starting to feel confident and that scares me.

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I am worried about

*Grow room dimensions*

I am trying to mimic this setup but the door to my room is only 2 feet. That is why I will have 3 seperate boxxes. I have never had mother plants so

*****I am not sure that the room dimensions right??****



Please tell me what I am doing wrong? If I could cut down size on any of my rooms it would be very very helpfull. Tips are soooo appreciated!

Just incase anyone cares I just decided to switch mine to soil. All but the mother room because it is already hydro. I will build my mother box around the size of my hydro unit. and hopefully start clones in Dixie cups (will be transplanting hydro clones to a soil enviroment) and help me on this one guys but I beleive transplanting them to a 5 in x 5in pot (not sure on depth) and stack them side by side. I figure this should cut down the size of my veg box to 1 feet wide and like 3 feet long. Please let me know if this will help me