(a) Billboards shall be constructed of noncombustible materials; provided, however, that facings, letters, figures, decorations, structural trim and other incidental elements thereof may be made of combustible materials.
(b) Billboards shall be free-standing, shall not be attached to any wall or building and shall be supported by steel and concrete monopole structures only.
(c) Billboards shall be firmly and solidly constructed so as to be able to bear a wind pressure of at least forty pounds per square foot of the sign face area.
(d) Electrical work for billboards shall meet the requirements of the National Electrical Code and all State and local codes.
(e) Billboards shall be constructed using the allowable stresses and design criteria as set forth in the latest edition of the reference standard for the material of construction as described herein:
(1) For structural steel construction, the American Institute of Steel Construction (AISC) Specification for the Design, Fabrication and Erection of Structural Steel for Buildings (AISC S326), or the AISC Load and Resistance Factor Design Specification for Structural Steel Buildings (AISC 328).
(2) For concrete construction, the American Concrete Institute (ACI) Building Code, Requirements for Reinforced Concrete (ACI 318).
(3) For structural aluminum construction, the Aluminum Association, Aluminum Construction Manual, Specifications for Aluminum Structures.
(4) For other materials used in construction, allowable stresses and design criteria shall be in accordance with accepted engineering practice.
(f) Billboard foundations shall be constructed using allowable soil parameters as determined by appropriate geotechnical investigation and analysis.
(g) Billboards may consist of not more than two sign faces, back to back, so long as all other requirements of this chapter are met.
(h) Billboards shall be designed by a professional engineer registered in the State of Ohio. (Ord. 8496-1998. Passed 1-5-99.)