Fitting a 2nd floor bath and laundry plumbing in 1 joist bay?

[CKPLUMBING]

Hey everyone,

Just got done with a test fit of a second floor bath and washing machine drain system. Was hoping for a sanity check. The wall hung toilet drops directly down into the short sweep you see at the beginner of the 3" line.

From the back to the front, there is a sink, which pick up the drain from the washing machine (both of which are 2"), which then joins the toilet's drain pipe, which picks up the bathtub's drain that has to be drilled through the joist. It all then makes a turn vertical to go down into the basement.

The vents are marked with red Vs. Also added a picture of it up in the joist bay.

Does anyone see any issues with this? Any advice is appreciated!

 

[Reach4]

As you have it, your shower is probably not considered properly vented.

One alternative.

Left-hand pipe is laundry sink. Do not join that drainage to the flows until downstream of the shower.

You can eliminate the two closest Vents. Toilet can be wet vented with no further changes, because the lavatory (bathroom sink) vents that.

Bring the shower trap arm in from the side, rather than from above, and it can too be wet vented. Keep the shower trap arm in the horizontal plane. If you want to dry vent the shower, vent the trap arm before it goes down. I am not a plumber.

 

[Sponsor]

 

[Jeff H Young]

Shower requires venting the furthest down hill vent not serving the shower or not properly serving as shower, also santee is backwards. a few tweaks here and there

 

[CKPLUMBING]

Thank you both so much for your help and replies.