Wow that took longer than I thought. I screwed up the P trap the first time, was not paying attention and glued a piece to the wrong side.... had to go back to Home Depot. Then had issues trying to get the dricore to stop sinking and making the sink and washer/dryer move. Tapcons are pieces of crap, had to stick foam though I would have rather just fasten it so it stays down, not bring it up. I'll have to get some anchors, same type I used to bolt down my server rack.
For the tub to stay more stable I just made a large cement block that I'll put at the base that I built out of 2x4s. Hopefully it will stay put.
Nothing leaks though, so that's a good sign. Plumbing always makes me nervous. Meanwhile I can do electrical with zero worries lol.