The 3 things I learned when I had my foundation repaired that shocked me: engineers first, contractors second
https://www.tumblr.com/powerfullytenaciousvessel/815919176330903552/crawl-space-encapsulation-and-foundation-repairs
The 3 things I learned when I had my foundation repaired that shocked me: engineers first, contractors second, and documentation is your only defense if anything goes wrong later.