Which of the following does not affect the foundation waterproofing method used?

The foundation waterproofing method selected for a construction project is impacted by several factors related to the site and environment. Among these, soil composition, climate, and groundwater level play significant roles in determining the appropriate waterproofing techniques.

Soil composition influences how water interacts with the earth surrounding the foundation. Different soil types can drain water at varying rates, necessitating specific waterproofing measures to prevent water intrusion. Similarly, the climate of the area affects how much moisture the foundation may be exposed to, which in turn influences the design and materials used for waterproofing.

Groundwater level is crucial as it determines the water pressure exerted on the foundation walls. High groundwater levels may require specialized waterproofing to withstand hydrostatic pressure and prevent water from seeping in.

In contrast, altitude above sea level does not have a direct impact on the waterproofing method used. While it might influence local climate conditions to some degree, it does not significantly change the characteristics of the soil, the climate, or the groundwater dynamics that are central to waterproofing considerations. Therefore, this factor is the one that does not affect the choice of waterproofing method employed.