Sec. 21-29. Principal building front and side facade.
   A.   Purpose. The overall width and depth of a Principal Building has a substantial impact on the Principal Building’s mass and scale and how well the Principal Building blends with existing development of the Island.
   B.   Definitions.
      (1)   Primary Front Facade. The largest front facing surface of a Principal Building that is parallel or nearly parallel to the front yard street frontage and is considered to be the front of the structure.
      (2)   Facade, Side. The side-facing surface of a Principal Building that is parallel or nearly parallel to the side lot line.
   C.   Design standards.
      (1)   Principal Building’s Primary Front Facade:
         (a)   The width of a Principal Building’s Primary Front Facade shall not exceed the lesser of fifty feet or two-thirds (2/3) of the lot’s buildable width (width of lot at the building line less that portion required to meet the side yard Setbacks). All other front facing facades shall be set back at least eight (8) feet from the Principal Building’s Primary Front Facade.
         (b)   A Principal Building having a porch or porches with a depth of eight (8) feet extending across forty percent (40%) of the Principal Building’s Primary Front Facade 1st floor shall be exempt from meeting the requirement of (a) above.
      (2)   Principal Building’s Side Facade:
         (a)   The length of a Principal Building’s Side Facade shall not exceed thirty (30) feet without an articulation (building inset) in the Side Facade of at least four (4) feet.
         (b)   This standard may be met by inclusion of side porch having a minimum depth of four (4) feet.
Design Review Board. The Design Review Board may grant up to a one hundred percent (100%) modification in this Design Standard if this or other modifications achieve greater Neighborhood Compatibility as described in ARTICLE XII.