The steps are based on.
Pre plumbed drain piping in basement floor.
For more volume or for anything you wouldn t want your back yard garden soaking up you really want a proper drain connection.
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.
Floor drains often go to small sumps for diffusion into the soil since they re just intended to handle occasional spills.
But not all homeowners are that lucky.
Diameter vertical pipe that runs into the basement floor.
The bath drains for the basement rough in connect into this horizontal section before it leaves the house.
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.
At this point it is all a pre plumbed basement bathroom.
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.
Get a pencil and mark the entire bathroom in the basement including the sink walls shower toilet and the drain lines.
But it may run at an angle rather than straight out to the street.
For these situations the biggest time saver is to build it under a first floor bathroom.
Most recently built homes have plumbing stubs pre installed making installation much simpler.
Floor drains are most often installed during original construction often in the utility area to drain away excess water in the basement.
So before you can do any real planning you have to find that line.
First locate the main stack the large 3 or 4 in.
Adding a bathroom to your basement can be a fairly long and complicated process.
It is the best method to check out various basement bathroom plumbing layout ideas for your basement bathroom.
This article will get you through the initial stage of this project the rough plumbing.
How to rough plumb a basement bathroom.
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.