For every building hereafter erected, moved, altered, extended
or changed in use, there shall be provided off-road parking and loading
space as set forth below. A required driveway shall be at least 20
feet clear in width, except for single-family and two-family residential
uses.
All uses with nonconforming parking or loading situations shall
comply with the requirements of this article if one or more of the
following conditions occurs:
B. The use expands its gross floor area by 20% or more.
C. The use is destroyed and seeks to be reestablished.
D. The use is discontinued for a period of six months or longer and
seeks to be reestablished.
Every building occupied for the purpose of business or industry
shall be provided with adequate space for loading and unloading of
vehicles off the road.