§ 153.132 SITES AFFECTED.
   (A)   New sites. No certificate of zoning compliance or building permit shall be issued hereafter for any site development or the construction or improvement of any building, structure or vehicular use area except where landscaping for such development, construction has been approved as required by the provisions of this subchapter. Single-family uses shall be required to install street trees per § 153.134, screen service structures per §§ 153.133(c) and 153.077, and preserve existing vegetation per § 153.133(d)(1) and (2).
(Ord. 21-70, passed 7-13-70)
   (B)   Existing sites. No building, structure, or vehicular use area shall be constructed or expanded unless the minimum landscaping required by the provisions of this subchapter is provided to the property to the extent of its alteration or expansion. In the case of a substantial expansion, the entire site must be brought into compliance with the minimum requirements of this subchapter. 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 or expansion exceeds 25% of the square footage of the existing building exclusive of the alteration or expansion, and
      (2)   In the case of an alteration or expansion involving both an existing building or structure and additional land, and, if applicable, additional structures or buildings, the area or square footage of the expanded or altered land or structure or building, respectively, exceeds 25% of the area or square footage of the existing land or structure or building respectively, exclusive of the alteration or expansion.
      (3)   "Land," as used herein, includes land used for space, parking or building purposes.
(Ord. 38-82, passed 7-19-82)
(Ord. 46-97, passed 5-5-97)