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

https://www.tumblr.com/poorlydarkpendulum/815888421824380928/residential-foundation-repair-101-3-essentials

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.