wet vent

planning to add a 3-piece bathroom to the basement. The only thing existing so far is a pump basin with a 1.5" vent (only influent to this basin currently is floor drain by the HVAC)....would the attached plumbing layout work? Wondering if the section I have highlighted in red would be required...

I am building a small cabin and would like feedback on my planned plumbing (see diagram). There's only 1 bathroom (lav, WC, shower) and a kitchen sink. Because of space restrictions, I'm wet venting some fixtures. This is the part I'm most iffy about, so any feedback on that specifically would...

Floor Drain + Laundry Drain connected by a 90 & Wye. All 2" inc vent. Would this pass inspection? Thank you

Hi all, Not new to reading the forum, but new to posting. We are finishing our basement, and are now onto the bathroom plumbing. The shower drain and toilet drain have been roughed in underneath our foundation, but the sink is not, leaving us to best decide where to tie the sink drain in. Below...

Does anyone see any issues with this plumbing arrangement for my home? I drew this up to minimize errors; it would be nice to get some expert opinions too.. Thank you!

Hi, Remodeling a master bath by adding a whirlpool tub. I'd appreciate feedback/clarification re horizontal wet vent vs standard ventining per Virginia plumbing code via the following questions. The attached diagram is keyed to the questions. Your perspective will be much appreciated! Chris...