Make sure you do not have any leaks.
Move sink drain concrete floor.
I used an air chisel to chip out the concrete around the drain.
If the commode drainpipe is not in close.
Draw a line on the floor and cut a 2 by 3 inch wide trench away from the wall on the concrete slab using a saw or jackhammer.
Choose the shortest route.
Much of the work should be the similar for moving a toilet just on a bigger scale.
In its new location the sink drain should drop vertically between wall studs to the floor where it ties into the larger drain that serves the commode.
Mark cuts with red crayon draw a 6 to 8 inch wide path on the concrete floor from the old drain location to the new drain location with a red crayon.
I needed to move the drain about 2 inches and the hole i chipped out ended up over 1 foot across.
Prepare the concrete mixing the composition with water and pour the concrete in.
I moved my shower drain that is located in a concrete floor.
The floor is concrete our plumber is reluctant to move the pipes and doesn t want to get involved.
Step 3 match the extension pipe so that it meets the horizontal drain pipe.
Give the pipe 1 4 slope to the foot and keep the top of the floor drain under the floor line so the floor slopes around it a little.
Moving the shower and laundry will entail cutting up the concrete slab at the new locations and extending trenches in the concrete far enough to tie into the existing drain pipes.
In installing a new bathroom the sink waste pipe needs to be moved about 25cm and the bath waste pipe needs to be moved about 50cm from the head to the middle of the bath the bath is a claw foot bath so we don t want pipes showing underneath.
Red crayon remains visible while cutting the concrete.
If you have leaks you have to fix them adjusting the fitting or sealing the pipe again.
Use a tent like temporary enclosure around the area to prevent dust from spreading.
This normally involves using a concrete saw a jack hammer and disposal of the concrete broken up and removed.
Turn on the shut off valve.
The concrete was only a few inches thick.