The standard method of prelocating a hole in a poured concrete wall is to position a sleeve where the hole is needed.
Patching hole around conduit in concrete wall.
If you can insert a small bottlebrush to get out any dust or silt that s on the concrete this will really help ensure patching success.
Use a hammer and chisel to remove loose concrete from the hole.
Pack the material in tightly and make sure the cement connects with both the pipe and surrounding wall.
Also try to flatten out the bottom of the hole to create a stable level surface for the new patching material.
Press hydraulic cement into the hole with a small trowel or putty knife.
Both procedures follow the local codes for poured concrete walls in my location.
The guys at home depot had a lot of fun lamenting the fact that the hole existed to begin with and then suggested that i build a mold on one side of the wall and fill it in with a pour of concrete.
After hearing that i seriously considered just gluing a piece of plywood over it and calling it a day.
I considered a lot of options.
Knock away the cracked and crumbling concrete around the hole.
4 scoop up about cup of prepared mortar mix.