The 3 things I learned when I had my foundation repaired that shocked me were: helical piers can be installed in tight
https://www.tumblr.com/strangevictorrealm/815972123754610688/3-things-you-need-to-know-before-you-encapsulate
The 3 things I learned when I had my foundation repaired that shocked me were: helical piers can be installed in tight yards, torque logs prove capacity, and depth often exceeds estimates.