Wall Prep;
I wish I got more pictures on this 1st go around. If all goes well, I plan to make a how to video when I do the back of the house this year. There isn't a lot of info out there on how to do this.
Before I got all the drain pipe put in I quickly pressure washed all the walls to get the dirt off them. I did this before installing the pipe to keep the slit/dirt out of the stone/pipe as much as I could. I put the drain pipe in and then pressure washed the walls again.
I used an air chisel to chisel out all the metal wire in concrete. These were used for the pouring forms. There were a few cracks where the water was coming in that I chiseled out as well. I put hydraulic cement over all the chiseled out areas.
After pressure washing, chiseling, and applying hydraulic cement. I bought a diamond cup wheel from HFT that goes on an angle grinder. I ground all the concrete boogers off the wall, flattened the cement, and reshaped the fake footer to be more square. If you do this be sure to wear hearing/eye protection and a respirator made for silica dust. I did grind the front wall with out the proper respirator, just a dust mask, before I read up on silica dust.
You can see the cleaned up walls and footer in some of the other pictures.