All buildings or structures erected after the effective date of this chapter shall conform to the requirements of the following building schedule for the zones in which they are located.[1]

The limitations of height in feet set forth in this article shall not apply to chimneys, or other usual accessory features carried above the roof, or to towers, tanks and spires of churches and public buildings, if such features are not intended for human occupancy.

Nothing in this chapter shall prevent the projection of steps, eaves, cornices or windowsills into any required yard.

On a corner lot no sign, fence, wall, tree, hedge or other vegetation and no building or structure shall be erected, placed or maintained more than 31/2 feet above established street grades, within the area formed by the intersecting street lines and a straight line joining said street lines at points which are 25 feet distant from the point of intersection, measured along said street lines.