A. A ramada or roof over a trailer or any portion thereof shall be designed and erected as a freestanding self-supporting structure to:
1. Withstand vertical live and dead loads imposed upon it, and to withstand a vertical uplift or a horizontal force from any direction of fifteen (15) pounds per square foot wind pressure on a vertical projection of exposed surface of the structure;
2. Be securely bolted or anchored to the ground;
3. Be constructed of approved one hour fire resistive materials or of approved slow burning material. (Ord. 14 §6(4)(part), 1959)