FINAL ORDINANCE NO. 97-168 - Laserfiche WebLink

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Where additions to an existing structure result in an increase in the gross floor area of the existing structure of 100% or greater, the entire structure (existing structure and structure addition) shall be subject to the standard of this subdivision. 3. Performance Standards — Primary Exterior Surfacing The Primary Exterior Surfacing of structures shall be limited to natural brick, stone, or glass. Artificial or veneer brick or stone shall not qualify as complying with this performance standard. Primary Exterior Surface shall be defined as not less than 70% of the sum of the area of all exterior walls of a structure nominally perpendicular to the ground. All parapet or mansard surfaces extending above the ceiling height of the structure shall be considered exterior surface for the purposes of this subdivision. Windows and glass doors shall be considered a primary surface, but the sum area of such glass shall be deducted from the wall area for purposes of the 70% Primary/30% Accent formulas of this section. Doors of any type or material, except glass, shall not be considered a primary exterior surface. Each wall of the structure shall be calculated separately; and, individually comply with the 70/30 formula. 4. Performance Standard — Exterior Surfacing Accents Not more than 30% of the exterior wall surfacing, as defined by paragraph D above may be of the following listed Accent Materials, but no single Accent Material, except natural wood, may comprise more than 20% of the total of all Accent Materials; and no combustible materials shall be used: i. Wood Siding ii. Cement Fiber Board iii. Standing Seam Metal iv. Architectural Metal V. Stucco vi. Poured in Place Concrete (Excluding "tilt -up" panels) vii. Architect Metal Panels or Sheets viii. Porcelain or Ceramic Tile 5. Performance Standards — Accessory Structures All accessory structures shall comply with the Exterior Surfacing requirements specified by this subdivision.