§ 158.39 GLASS.

   When glass is used for sign letters or transparent or translucent panels, it shall be at least double strength thickness for sign areas up to and including 300 square inches. When glass is used for sign letters or transparent or translucent panels for sign areas in excess of 300 square inches, at least 0.25-inch wire glass shall be used and the maximum span between supports shall be 4 feet.

(1969 Code, § 15-125) (Ord. 1994-20, passed 7-11-1994) Penalty, see § 10.99

§ 158.40 PLASTIC.

   Plastic shall be of thickness and shape necessary to withstand wind loadings specified in § 158.43 of this code. Proper allowance or provision shall be made in connections to provide for thermal contraction and expansion.

(1969 Code, § 15-126) (Ord. 1994-20, passed 7-11-1994) Penalty, see § 10.99

§ 158.41 STRENGTH OF PARAPET, WALL, OR ROOF.

   A parapet, wall, or roof must be designed for and have sufficient strength to support any sign which is attached thereto.

(1969 Code, § 15-127) (Ord. 1994-20, passed 7-11-1994) Penalty, see § 10.99

§ 158.42 SUPPORTS AND BRACES.

   Metal supports or braces shall be adequate for wind loadings, specified in § 158.43 below. Wire or cable supports shall have a safety factor of 4. All metal wire cable support and braces, and all bolts used to attach the sign to bracket or brackets and signs to the supporting building or structure shall be of galvanized steel or of an equivalent material. All sign supports shall be an integral part of the sign design.

(1969 Code, § 15-128) (Ord. 1994-20, passed 7-11-1994) Penalty, see § 10.99

§ 158.43 WIND LOADS.

   All signs, except those attached flat against the wall of a building, shall be constructed to withstand wind loads as follows:

   (A)   For solid signs, 30 pounds per square foot on 1 face of the sign; and

   (B)   For signs that are not solid, 36 pounds per square foot of the total face area of the letters and other sign surfaces, or 10 pounds per square foot of the gross area of the sign as determined by the overall dimensions of the sign, whichever is greater.

(1969 Code, § 15-129) (Ord. 1994-20, passed 7-11-1994) Penalty, see § 10.99

§ 158.44 ANCHORING.

   Signs shall be anchored to prevent any lateral movement that would cause wear on supporting members or connections. No sign shall be suspended by chain or other device that will allow the sign to swing due to wind action, unless specifically designed, by means of bearings or other methods approved, to allow for movement.

(1969 Code, § 15-130) (Ord. 1994-20, passed 7-11-1994) Penalty, see § 10.99

PROHIBITED, PERMITTED, AND EXEMPT SIGNS