Case Study #02237
Project Description
This residential project required a quick and permanent solution to the foundation settlement problem. Helical piles were needed to stabilize the structure built on poor soil. The PierTech® helical piles and TRU-LIFT® bracket were brought in to satisfy the project demands.
Design Description
The PierTech® helical piles consisted of: 50 – 2 7/8” (0.217wt) X 8”, 10”, 12” Helix 3/8” thk 21’ long. Pile design 50 kips compression load.
Construction
The PierTech® helical piles were installed around the perimeter of the foundation at approximately six foot on center. These galvanized helical piles were installed to an average depth of 21 feet and terminated in load bearing strata. 50 piles were installed using 12k PierTech® drive head. The house was raised to allow for pier installation and lowered once complete. Once the pile installation was complete, the TRU-LIFT® bracket was used to stabilize the foundation