The 3 things I learned when I had my foundation repaired that shocked me were: slab edges are fragile
https://raymondudqs458.brightsora.com/posts/3-must-know-points-before-you-call-a-company-for-basement-waterproofing-and-foundation-repair
The 3 things I learned when I had my foundation repaired that shocked me were: slab edges are fragile, heavy equipment chips corners, and protection boards are worth requesting.