Help Optimizing Under Sink Drain

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Parkland, FL

I'm going to be remodeling my bathroom and am looking at options to optimize the space under my sink. I have dual sinks and the waste line going out is on the far end of the vanity on both sides. I've attached picture below on the left side. I have two questions.

1. I was reading florida building code for direction changes on waste (copied below) and it seems 90s are ok in the same plane but I wanted to confirm there is no limit. What I would like to do is put a 90 bend going to the wall so the waste line is close to the rear wall of vanity. I would plumb along back wall, including vent, until it gets even with sink drain and put another 90 down as need to connect with trap.

Thoughts? Any way to do it more efficiently to make more space for drawers?

2. For future proofing what should I do with the waste line going out? Should I put on a female threaded adaptor to facilitate future changes? Is that acceptable on a waste line? Or don't bother?



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