The 3 things I learned when I had my foundation repaired that shocked me were: helical piers can be installed in tight

https://www.scribd.com/document/1037300275/3-Things-to-Know-Before-You-Choose-Foundation-Repairs-Near-Me-for-Your-Home-152721

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.