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

https://www.mediafire.com/file/0ywf3vrb04hukl0/pdf-66775-79169.pdf/file

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.