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

https://www.tumblr.com/groovyemperorvindicator/826820660116504576/top-3-things-to-know-before-calling-a-foundation

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.