Which factor can affect construction costs according to soil characteristics?

The bearing qualities of the soil are crucial when assessing construction costs because they determine how much weight the soil can support without risking collapse or excessive settlement. Strong, stable soil can support heavier structures without requiring extensive additional support systems, which can increase the overall cost of construction. Conversely, weak or unstable soil may necessitate the use of deep foundations, pilings, or soil improvement methods to enhance its load-bearing capacity. These requirements significantly influence the design and materials used in construction, thus impacting overall project expenses.

Other factors such as soil texture, color, and depth may contribute to an understanding of the site but do not directly impact construction costs as significantly as the bearing qualities do. Soil texture could affect drainage and compaction, while color may provide information about soil composition or organic materials. Depth can be relevant, but it is the intrinsic support capability of the soil that plays the primary role in determining construction costs.