Section 6.02   Additional Requirements and Clarifications
   (1)   Building Height and Massing, Residential Zoning District or Use: (Ord. #2016-04)
      (A)   No part of any principal structure may rise more than twenty-four (24) feet above its design grade.
      (B)   No wall of any principal structure shall exceed a height of more than twenty (20) feet without a significant physical, architectural, or visual break. Such physical break shall be a minimum of four (4) feet in width.
         i.   Massing: All residential buildings or structures greater than two thousand (2,000) gross square feet shall be composed of at least three (3) visual building masses of differing heights or planes.
      (C)   No part of any accessory structure shall rise more than sixteen (16) feet above its design grade.
      (D)   No part of any accessory airplane hangar structure shall rise more than twenty (20) feet above its design grade.
      (E)   This section shall not apply to amateur radio transmission towers in excess of twenty-five (25) feet for which Conditional Use Permits have been issued.
      (F)   A chimney shall rise no more than three (3) feet above the highest parapet or roof ridge.
      (G)   In the R-3 zoning district, roof screen-walls up to four (4) feet in height will not be included in the height calculations only if they are located a minimum of fifteen (15) feet away from the edge of the roof or building parapet.
      (H)   Buildings, structures, or any portion thereof, exceeding a height of twenty (20) feet above design grade shall not be erected or structurally altered within five hundred (500) feet of the projected center line of an airport runway or landing strip for a distance of one thousand (1,000) feet from the end of the runway. Beyond a distance of one thousand (1,000) feet from the end of the runway or landing strip, buildings, structures, or any portion thereof shall not be erected to exceed a height that would interfere with the takeoff or landing of a plane with a glide angle of one (1) foot vertical for every forty (40) feet horizontal. Such glide angle is computed as beginning at a point on the extended center line of the runway two hundred (200) feet beyond and at the same elevation as the end of the runway pavement.
      (I)   Barriers to clear unobstructed vision at corners of intersections shall be limited to a maximum height of two (2) feet above the established elevation of the nearest street line. This limitation shall extend for a distance of thirty (30) feet along both the front and side lot lines, measured from the point of intersection of the said intersecting lot lines. This limitation shall apply to the height of fences, walls, gateways, ornamental structures, hedges, shrubbery, and other fixtures.
   (2)   Building Height and Massing; Nonresidential Zoning District or Use: (Ord. #2016-04)
      (A)   The height of any office or commercial building or structure shall be no more than thirty (30) feet measured from design grade.
      (B)   Massing: All office or commercial buildings or structures two thousand five hundred (2,500) gross square feet or greater shall be composed of at least three (3) building masses of differing heights or planes. Such building masses shall vary in height vertically by a minimum of three (3) feet from any adjacent mass or masses and façade offsets a minimum of three (3) feet from any adjacent mass or masses.
      (C)   Mechanical equipment screen walls up to four (4) feet in height will not be included in the height calculations only if they are located a minimum of fifteen (15) feet away from the edge of the roof or building parapet.
      (D)   This section shall not apply to amateur radio transmission towers in excess of twenty-five (25) feet for which Conditional Use Permits have been issued.
   (3)   Front Yard:
      (A)   For through lots, a front yard setbacks shall be provided along both front lot lines.
      (B)   For corner lots, a front yard setback shall be provided along the shortest street frontage in single-family residential zoning districts. Front yard setbacks shall be provided along each street frontage in the multiple-family and non-residential zoning districts.
   (4)   Side Yard: Where a commercial lot is abuts a rural or residential zoning district, there shall be a side yard setback on the side of the lot adjacent to such rural or residential zoning district having a width of not less than ten (10) feet.
   (5)   Rear Yard: Where a commercial lot abuts a rural or residential zoning district, whether or not separated by an alley, there shall be a rear yard having a width of not less than twenty-five (25) feet.
   (6)   Buildings or structures may project into a required yard (building setback) as follows:
      (A)   Bay windows and balconies may project a maximum distance of three (3) feet into the required front or rear yard, provided they do not occupy more than one-third (1/3) of the total length of the wall of the building on which they are located.
      (B)   Terraces, uncovered patios, uncovered stairs, uncovered platforms, and ornamental features which do not extend more than three (3) feet above finished grade may project into any required yard (building setback), provided such features shall be set back a minimum of three (3) feet from any lot line.
      (C)   Ordinary projections of window sills, cornices, eaves, and other ornamental features may project a maximum distance of three (3) feet into any required yard (building setback).
   (7)   The maximum disturbed area is subject to the following:
      (A)   All areas between the principal dwelling and/or guest house and any fence or wall on the property shall be included in the disturbed area calculation except that an allowed retaining wall for an approved driveway shall not apply to this provision.
      (B)   When a driveway longer than 150 feet is required to respond to natural constraints or lot configuration, the Development Review Board may allow a greater disturbed area as it deems appropriate.
   (8)   The maximum lot coverage is subject to the following:
      (A)   Lot coverage does not include the first four (4’) feet of any roof overhang.
      (B)   Additional lot coverage, only in the Rural-190 zoning district, of up to 3,600 square feet is allowed for an approved horse stable, and additional lot coverage of up to 1,800 square feet is allowed for approved horse shade structures.