The 3 things I learned when I had my foundation repaired that shocked me: city maps of utilities can be wrong
https://franciscoszzr651.almoheet-travel.com/3-things-you-need-to-know-before-you-encapsulate-crawl-space-and-repair-foundations
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.