The 3 things I learned when I had my foundation repaired that shocked me: city maps of utilities can be wrong
https://cashvaqn138.talesignal.com/posts/before-calling-3-things-to-know-about-crawl-space-encapsulation-with-foundation-repair
The 3 things I learned when I had my foundation repaired that shocked me: city maps of utilities can be wrong, private lines hide everywhere, and 811 marking is non-negotiable.