Hello all!

I have been lurking over at John Bridge's website on tiling and bathrooms. They sent me over here for my plumbing questions. This will be a 2 part question. 1.) Supply Lines (Picture) 2.)Waste/Vents (video).

Supply Lines: My main concern here is water pressure in the shower. I have 3/4" lines in which everything T's off of going to 1/2". Will this be ok?
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Waste/Vents: I made a video for you guys Please try to follow along and let me know your thoughts! Remember, this stuff isn't glued together yet!


I am in desperate need of feedback to keep this project rolling!

Thanks guys!