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.
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.