The 3 things I learned when I had my foundation repaired that shocked me included: pier spacing is engineering

https://cruzedyk136.trexgame.net/3-things-you-need-to-know-before-scheduling-basement-crawl-space-encapsulation-and-repairs

The 3 things I learned when I had my foundation repaired that shocked me included: pier spacing is engineering, not guesswork, and fewer deep piers can beat many shallow ones.