Minimum Distance Between Required Windows and Walls or Lot Lines

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In all districts, as indicated, the minimum distance between required windows and walls or lot lines shall be as set forth in this Section, except that this Section shall not apply to required windows in buildings of three stories or less. For buildings existing on April 30, 2012, the minimum distances set forth in this Section, and any non-complying distance greater than eight feet, may be reduced by up to eight inches of exterior wall thickness from each building wall, provided the added wall thickness has a thermal resistance (R-value) of at least 1.5 per inch. A non-complying distance of eight feet or less shall be limited to a total reduction of one inch of wall thickness for each foot of such existing distance between buildings.