§ 6502.4. Design and Construction.  

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  • Sign frames and supporting construction shall be designed and constructed as required by Chapters 16 through 23 of this Code.

    EXCEPTION: Structural steel members shall not be less than 1/4 inch (6.4 mm) thick if ungalvanized, and 3/16 inch (4.8 mm) thick if all members, including bolts and fastenings, are galvanized. Bolts and rivets used in sign structures, supporting signs 100 square feet (9.29 m2) in area or more, shall not be less than 1/2 inch (12.7 mm) in diameter. On such structures supporting signs less than 100 square feet (9.29 m2) in area, bolts and rivets shall not be less than 3/8 inch (9.5 mm) in diameter.

    Supports shall be designed so that all loads and reactions shall be transmitted to the ground through the structural framework and walls of supporting buildings or structures.

    Signs erected on buildings or structures shall be securely attached by means of adequate metal brackets, expansion bolts, through bolts or lag screws. No material, part, portion or equipment thereof or therefor shall be used which may become dangerous because of vibration, corrosion, disintegration or for any other reason whatsoever. Wire other than stranded cable shall not be considered as adequate fastening, except for cloth and banner signs.

    If supports of an existing structure are found to be inadequate, they shall be adequately strengthened before the sign is erected.

(Ord. 2013-0048 § 61, 2013; Ord. 99-0040 § 67 (part), 1999.)