(a) New Sites. No building permit shall be issued hereafter for any development or the construction of any building, structure or vehicular use except where a screen or buffer plan for such development or construction has been approved as required by the provisions of this chapter.
(b) Existing Sites. No building, structure or vehicular use area shall be constructed or expanded unless the minimum screen or buffer requirement by the provision of this chapter is provided to the property to the extent of its alteration or expansion and not for the entire property of which the alteration or expansion is a part unless the alteration or expansion is substantial. An alteration or expansion to an existing property is substantial when:
(1) In the case of a building or structure expansion which does not involve additional land, the square footage of the alteration exceeds twenty-five percent (25%) of the existing building.
(2) In the case where new land is involved, the new land or the expanded square footage of structure exceeds by twenty-five percent (25%) of the existing site or structure.
(3) Land as used herein includes land used for space, parking or building.
(Ord. 96-03. Passed 2-26-96.)