I'm having my septic system replaced, the old leach field has become clogged with roots and is not up to code anyway. My question is about the piping from my house that goes out to the septic. I'm attaching a sketch I made of the system, as I understand it. The toilet installation is also not up to code, and I plan on pulling it out anyway. Should I try and replace the cast iron piping? I've been searching around, and found that folks either say "cast iron is the best, it lasts forever" or "get rid of the cast iron, if it hasn't failed yet, it will soon". So, I'm looking for more advice. If I were to replace it, how? Jackhammer the basement floor? Or else???
Thanks!
Thanks!