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

https://blogfreely.net/brittajwun/crawl-space-encapsulation-foundation-repair-3-must-know-tips-before-hiring

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.