All signs, except those attached flat against the wall of a building, shall be constructed to withstand wind loads as follows:
A. Solid signs thirty five feet (35') in height or above, other than wall signs, shall be designed to withstand a wind load of twenty five (25) pounds per square foot on any face. Solid signs, less than thirty five feet (35') in height, shall be designed to withstand a wind load of twenty (20) pounds per square foot on any face.
B. Signs, other than wall signs, with an open framework shall be designed to withstand a wind load of thirty six (36) pounds per square foot of the total face area of the letters and other sign surfaces, or ten (10) pounds per square foot of the gross area of the sign as determined by the overall dimensions of the sign, whichever is greater. (Ord. 2009-17, 4-21-2009)