Unless otherwise prohibited, encroachments above the surface of the right-of-way will be permitted which are fastened securely to the walls of the buildings and are of a height at least nine feet above the surface of the sidewalk, and which do not in any way obstruct, delay or endanger the free and safe passage of persons thereupon. The encroachments shall be in all cases erected under the supervision of the Building Inspector. In addition, signs may be erected above the sidewalk, on permission of the Building Inspector. Permission shall be evidenced by issuance of a building permit therefor if the sign is firmly affixed to the building so it cannot fall, and if the sign is erected under the supervision of the Building Inspector.
(1985 Code, § 99.12) Penalty, see § 10.99