Remove the wall surface up to the ceiling.
How to run a pipe through a concrete block wall.
If you need to run a new stack assess your framing.
For larger pipe runs choose an inside wood framed wall.
An installation with a toilet must have a 3 inch drain which can be installed only if the stud wall is made of 2x6s or larger 2 inch pipe can be run through a 2x4 wall.
Those are both covered in the upc and irc.
Add 8 inches of coarse gravel above the drain pipe all the way around the foundation.
When drilling a small hole through your reinforced concrete foundation wall you want to avoid placing the hole too close to the edge of the concrete and avoid hitting rebar.
The only restriction that i recall is underground gas piping run through a foundation wall and or a slab.
How to run a pipe through a concrete block wall.
Feed the pipe through the hole and run it all the way around the foundation.
Many times shifting soil or a house settling can create a gap around the pipe and an escape route for water before it reaches the foundation drain pipe.
Step 5 finish filling the trench.
Builders use many techniques to run pipe through concrete block walls but the easiest and most efficient way is to use a core drill.
Keep in mind you will not be able to use a pipe diameter larger than 21 2 in the walls from the foam to the concrete.
Use the hole saw to cut a 4 1 8 inch circular hole in the concrete block wall.
A reinforced concrete foundation wall will typically have steel rebar running in both directions horizontally and vertically.
I can see no evidence of excessive corrosion.
When pipes pass through basement walls underground ground water can leak in around the pipes and through the concrete.
I do not recall any restriction based solely on the pipe penetrating through concrete although a sleeve would be a good idea for a couple of reasons.