With the exception of individually platted single-family and two-family dwellings, this Chapter shall apply to new development and any collective substantial expansion or improvements of existing structures involving:
(a) New platted subdivisions and planned unit developments;
(b) Any land dedicated for a park or public open space;
(d) Substantial improvements to existing land uses, but only to the extent of the alteration or expansion, and not for the entire property, unless the alteration or expansion is substantial. An alteration or expansion to an existing building or structure shall be deemed substantial based on the following criteria:
When Existing Structure is..... | A Substantial Expansion is........ |
0 - 1,000 sq. ft. | 50% or greater |
1,001 - 10,000 sq. ft. | 40% or greater |
10,001 - 25,000 sq. ft. | 30% or greater |
25,001 - 50,000 sq. ft. | 20% or greater |
50,001 sq. ft. and larger | 10% or greater |