Interior Design Professional Practice Exam

Category - Interior Design Practice Exam

Which of the following is a deciding factor when determining a footing depth?
  1. The ambient temperature of the footings at time of installation
  2. The weight of the foundation
  3. The distance of the ground to the rock surface below
  4. The depth of the frost line
Explanation
Answer: D - The depth of the frost line is a deciding factor in determining the footing depth.
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