In the following districts, the sign area and height set forth shall apply to all signs on the premises except as provided in § 155.174:
(A) A-1 Agricultural and RC Recreation/Conservation Districts.
(1) Signs advertising the use of a particular breed, type, variety, hybrid, or brand of plant, chemical or tillage. No one sign shall exceed 16 square feet in area per face.
(2) Uses which are governed by conditional use may have signs on the premise in accordance with the stipulations of the permit.
(3) No hunting, no trespassing, and similar signs.
(B) C Commercial, I-1 and I-2 Industrial.
(1) Wall, roof, or projecting signs:
(a) The total sign area on structures which are two stories or less in height shall not exceed two square feet for each linear foot of building frontage.
(b) The total sign area on structures which are greater than two stories in height shall not exceed either two square feet for each linear foot of building frontage, or 15% of the area of the frontage wall, whichever is greater.
(2) Freestanding signs having a total sign area not to exceed one square foot for each linear foot of road frontage or 200 square feet, whichever is less.
(3) The maximum sign height shall be 30 feet.