From there the pipe runs under the floor and out to the city sewage system under the street.
Pre plumbed drain piping in basement floor.
The bath drains for the basement rough in connect into this horizontal section before it leaves the house.
You will need a framing square and a 4 level or some equivalent thing to make a perpendicular square line off of the wall nearest one of the smaller pipes and then the other.
But it may run at an angle rather than straight out to the street.
So before you can do any real planning you have to find that line.
If it was laid out for a basement bathroom which would be my guess then those smaller pipes would be vanity drain and would be laid out to line up within a 2x4 wall.
The steps are based on.
For more volume or for anything you wouldn t want your back yard garden soaking up you really want a proper drain connection.
First locate the main stack the large 3 or 4 in.
Plumbing and piping pre plumbed basement questions i m sure this has been posted before but i am in the beginning of finishing my basement and there is a bathroom.
It is the best method to check out various basement bathroom plumbing layout ideas for your basement bathroom.
But not all homeowners are that lucky.
This provides easy access to existing utilities and drainage which will reduce both your workload and the permits required.
Floor drains are most often installed during original construction often in the utility area to drain away excess water in the basement.
Most recently built homes have plumbing stubs pre installed making installation much simpler.
The pipe is for condensate which is fairly clean and fairly small amounts.
Get a pencil and mark the entire bathroom in the basement including the sink walls shower toilet and the drain lines.
This article will get you through the initial stage of this project the rough plumbing.
Floor drains often go to small sumps for diffusion into the soil since they re just intended to handle occasional spills.
Standing in my basement looking up i see a number of pipes from all directions feeding into one major vertical stack which disappears into the concrete floor and goes horizontal out the side of the house.
For these situations the biggest time saver is to build it under a first floor bathroom.
Diameter vertical pipe that runs into the basement floor.