Expansion of 50% or less of gross square footage over five years
expansions in any continuous five-year period, which result in a 50%
or less increase in the gross square footage of the existing structure
(measured at the beginning of the five-year period), require that
a corresponding percentage of the off-street parking, landscaping,
perimeter buffer, screening, public frontage elements, private frontage
elements, and stormwater management standards of this chapter be installed
or upgraded on the site, until the site achieves 100% compliance.
(For example, if the addition is 25% of the area of the existing
structure and the site contains only 50% of the required landscaping,
25% of the required landscaping for the entire site must be provided,
thereby bringing the landscaping on the site to 75% of the total required.)
Existing landscaping on the site shall be retained or replaced
but shall not count toward the required percentage of new landscaping.