![Before surgery.](https://cdn.treehouseinternetgroup.com/uploads/photo_gallery/medium/391076-salinas-piers-1.jpeg?v=1644879634)
Before surgery.
You can see the bundles of pier tubes that will be hydraulically pushed from the bottom of the foundation, into the bedrock far below.
![Push Pier Installed.](https://cdn.treehouseinternetgroup.com/uploads/photo_gallery/medium/391077-salinas-piers-5.jpg?v=1644879634)
Push Pier Installed.
This push pier is now using the bedrock below the surface as a means to keep the foundation stabilized.
![Reason for Push Pier Installation](https://cdn.treehouseinternetgroup.com/uploads/photo_gallery/medium/391079-salinas-piers-3.jpg?v=1644879634)
Reason for Push Pier Installation
Differential Settlement has caused a portion of the house to shift, evident in the tilting floor supports beneath the house.
![Push Pier Installation](https://cdn.treehouseinternetgroup.com/uploads/photo_gallery/medium/391080-salinas-piers-4.jpg?v=1644879634)
Push Pier Installation
The pier is ready to be backfilled now that it has been pushed all the way down to bedrock.
![Reason for the push pier installation.](https://cdn.treehouseinternetgroup.com/uploads/photo_gallery/medium/391078-salinas-piers-2.jpg?v=1648498044)
Reason for the push pier installation.
The differential settlement has caused floor supports like this one to crack.