Here with this video you will learn some of the basic rules of thumb for doing rough in plumbing underground.
Plumbing rough in for floor drains.
Water supply lines are usually just a couple of inches higher between 20 and 22 inches from the floor and installed one to each side of the drain line.
These heights are compatible with most common vanity sinks.
Measure 21 inches approximately above the finished floor.
Make sure you leave enough room for the p trap that will be directly under the sink bowl.
Where shower arm will go.
There are the waste pipes that drain the water and waste from the fixtures.
Horizontally each faucet goes 4 inches to the right left of centerline.
Showerhead will be about 65 to 78 inches above the floor tub supply vertical.
Plumbing rough in you ll rough in the tub drain with 1 1 2 inch pipe with male threads that extend 1 2 inch above the level of the floor.
Faucet valves 20 to 22 inches above the floor.
Tub spout 4 inches above tub rim.
The drain will also require a p trap and must be vented.
You should use a two inch pipe for the drain pipe.
Specific requirements for the trap drain line and vent will vary by local building codes.
80 inches from the floor.
This usually consists of tying the half bath together running the emergency floor drain for an upstairs laundry into the mechanical room and stubbing it down a ways to ensure it doesn t get covered over later on in the build and preparing the vent for your rough in double plumbing a fancy way of saying your basement bathroom vent.
Sink drain lines are typically between 18 and 20 inches above the finished floor.
The bathroom sink s water lines are roughed in 3 inches above the drain.
A rough in plumbing diagram is a simple isometric drawing that illustrates what your drainage and vent lines would look like if they were installed but all of the other building materials in your house were magically removed.
Such as the sinks toilets and washing machine.
The plumbing rough in.
You should leave at least 12 under the lowest point of the sink bowl so the p trap can fit.
Shower and bathtub rough in details.
The drain pipe fitting should be between 16 and 20 above the floor.
The hot line and cold line are spaced 8 inches apart from left to right.