(A) Extension. No sign of any kind or character shall extend over any public sidewalk or into any public street, avenue or alley, within 18 inches of the curb line. No sign shall be less than ten feet, at the lowest point, above the sidewalk over which itis installed, and if hung over an alley, the lowest edge shall be at least 15 feet, six inches, above the grade of such alley, at property line. All signs extending more than 36 inches into and over any street, alley or public place shall be securely fastened to a building with steel or iron hinges, or sockets so arranged as to permit the sign being bolted back horizontally upon the building to which it is fastened.
(B) Electric signs. All illuminated projecting signs shall be constructed of noncombustible material. All sides of the sign shall not exceed 50 square feet in area, except by special permission of the Zoning Board of Appeals.
(C) Weight of signs. No projecting signs of any class hereinbefore referred to, mentioned or described shall have a greater weight than 600 pounds, except vertical signs, the weight of which shall not exceed 1,000 pounds. The weight shall be marked on all signs in plain figures. The Zoning Board of Appeals may grant permission for the installation of signs greater in weight than herein prescribed; provided, however, that such signs shall in all other respects conform to the provisions of this chapter.
(D) Fastenings or supports.
(1) All signs referred to in this section attached to or placed on any building shall be thoroughly secured thereto by iron or metal anchors, bolts, supports, chains, stranded cables or braces. No staples shall be used for securing any projecting sign to a building. The chain or cable used for main supports shall have a proof-tested tensile strength of at least five times the weight to be supported, and all supporting materials shall be rust-proofed.
(2) Signs weighing less than 150 pounds shall have one main support in the form of a bolt through the building wall or roof, where possible, and anchored by washer plate of at least 24 inches of surface and inch thickness unless the supporting chain or cable is located at any angle greater than 45 degrees, in which case approved expansion bolts may be used.
(3) Signs weighing at least 150 pounds and not more than 350 pounds shall have one main support in the form of a bolt through the building wall or roof where possible, and anchored by a washer plate of at least 24 square inches of surface and inch thickness. If not possible, two main supports of angle iron or approved expansion bolts may be used.
(4) Signs weighing 350 pounds or more shall have two main supports in the form of bolts through the building wall or roof, anchored by washer plates of at least 24 square inches. If not possible, two main supports of two approved expansion bolts may be used.
(5) All expansion bolts used for anchoring sign guys shall be at least inches in diameter and, on brick or stone wall, set in at least 2½ inches. All expansion bolts used for anchoring main supports where impossible to insert the bolt through the wall or roof, shall be at least ½ inch in diameter and shall enter the wall at least four inches.
(6) Turn-buckles of suitable size shall be provided for all the side guys and one of the supporting cables or chains where more than one is used.
(Ord. passed 6-14-88) Penalty, see § 152.99