Drummondville sits at an elevation of roughly 100 meters above sea level, where the Saint-François River has deposited layers of sand, silt, and clay over millennia. For any structure requiring uniform load distribution—especially mid-rise buildings or heavy equipment pads—a properly engineered raft/mat foundation becomes essential. In our experience, the local stratigraphy often presents compressible fine-grained soils near the surface, making a mat solution a logical choice to spread column loads and reduce differential settlement. Before finalizing the design, we always recommend a thorough study of soil classification to identify plasticity and consolidation characteristics, and a plate load test to verify bearing capacity in situ.
A properly designed raft foundation in Drummondville can reduce differential settlement to under 25 mm, even on soft clay deposits up to 8 meters thick.