Densify the Trench Subgrade

What happens here

Once the footing trench is excavated, the exposed soil at the bottom, known as the subgrade, must be thoroughly compacted. This process uses a mechanical compactor, such as a plate compactor or a jumping jack tamper. Compacting the subgrade removes air pockets and increases the soil's density, creating a firm, stable base that will not settle under the significant weight of the retaining wall. This crucial step prevents future wall movement, sinking, or failure.

Goal: Create a firm and stable base for the wall's foundation