§ 255-284. Development regulations.

The following area, bulk, density , area, dimensional, building height, parking and buffer regulations shall apply to the historic preservation mixed residential community use :

   A.   Lot area . A lot area of not less than 40 acres with a minimum width of 800 feet at the existing legal right-of-way of at least one bordering roadway.

   B.   Use and dwelling unit mix.

      (1)   The community shall contain a minimum of three of the permitted residential uses identified in § 255-282C hereinabove, one of which shall be the senior independent living campus.

      (2)   A minimum of 50% and a maximum of 80% of the units within the community shall be senior independent living campus units. For each other residential use to be included within the community, there shall be a minimum of 5% of the total units within the community comprised of each such use .

      (3)   Office use accessory to the senior independent living campus.

   C.   Density .

      (1)   The senior independent living campus component shall have a maximum density of 14 units per acre for its portion of the overall lot area within the community, not more than 60% of the units shall be available for double occupancy. The acreage of the lot area associated therewith shall be subtracted from the community’s overall lot area and the density for the remaining lot area shall not exceed five units per acre.

      (2)   Where townhouses are part of the community, the maximum number of units in each building shall be five and the maximum building length shall be 160 feet.

   D.   Impervious surface coverage. A maximum impervious surface coverage of 40% of total lot area shall be permitted. The definition of impervious surface contained at § 255-7 shall apply except that the horizontal surface area of a water feature such as a lake or pond, whether or not the water feature serves as part of the stormwater management system, shall not be considered an impervious surface .

   E.   Perimeter setbacks.

      (1)   The following minimum setbacks shall be observed from the property line, unless the applicable setback is adjacent to a street in which case the setback shall be provided from the legal right-of-way line .

 

Perimeter Setback	Abutting Institutional or Non-Residential Use	Abutting Residential Use	Abutting State Road or Arterial Road	Abutting Township Road
Front	100 feet	100 feet	60 feet	60 feet
Side	100 feet	100 feet	60 feet	50 feet
Rear	100 feet	100 feet	60 feet	50 feet

 

      (2)   Existing historic structures and features in the nature of perimeter walls, entrance archways and pillars and guard/gatehouses shall be exempt from these perimeter setback requirements.

      (3)   Accessory structures to the principal building in the nature of a deck, porch, patio, Jacuzzi/spa, sitting wall or fence shall be permitted to extend a maximum of 20 feet into the applicable perimeter setback.

      (4)   Nothing shall be placed within the 100-foot setback between existing residential property lines and apartment buildings and/or senior independent living campus buildings with the exception of an emergency driveway.

      (5)   Internal roadways designed for single family detached, twin and/or townhouse dwelling units shall be set back a minimum of 40 feet from existing residential property lines, excepting existing internal roads which are part of historic sight lines.

      (6)   An internal roadway may be placed within the perimeter setback along an existing State right-of-way , provided the edge of roadway is set back a minimum of 50 feet from the right-of-way and is buffered and/or bermed as viewed from the existing street .

      (7)   An internal roadway may be placed within the perimeter setback along an existing Township right-of-way , provided the edge of roadway is set back a minimum of 20 feet from the right-of-way and is buffered and/or bermed as viewed from the existing street .

      (8)   The minimum internal roadway setbacks specified in Subsections (6) and (7) shall not apply to entrances from or exits to a State or Township road .

   F.   Building height. The maximum building height, as defined in Chapter 212, the Subdivision and Land Development Ordinance, shall be 35 feet for all residential uses other than the senior independent living campus and apartment building . The maximum height for those uses shall be four stories, provided that any such use closer than 200 feet from any adjoining residential district shall be limited to three stories. The height of such buildings shall be compatible with the historic buildings to be preserved adjacent to or in close proximity thereto, so as to be compatible with design features of existing roof lines, inclusive of turrets, spires or similar architectural features. Otherwise, the maximum height for three stories shall be 45 feet and for four stories shall be 55 feet. Parking areas beneath a building shall not be considered a story; provided, however, the aforesaid maximum height limitations shall apply to buildings with or without such parking areas.

   G.   Parking shall be provided in accordance with the following standards:

      (1)   Senior independent living campus: 1.5 spaces per dwelling unit , of which 0.25 spaces per unit may be held in reserve, which spaces may include garage and driveway and designated shared or common parking spaces .

      (2)   Townhouse: 2.5 spaces per dwelling unit , which may include garage and driveway and designated shared or common parking spaces

      (3)   Apartment building : 2 spaces per dwelling unit , which may include garage and driveway and designated shared or common parking spaces .

      (4)   Single-family detached and twin dwellings : 2.5 spaces per dwelling unit which may include garage and driveway.

      (5)   Not less than 10 feet of open space shall be provided between the curb line of any common or shared parking area and the outside wall of any building . Shared or common parking with more than 12 spaces in a row shall provide a landscaped island separation of a minimum of 10 feet between further parking spaces .

   H.   Ownership and maintenance of interior roads and drives. Interior roads and drives shall not be dedicated, but shall be owned and maintained by an appropriate homeowners association , condominium association and/or an association of such entities working in concert for the proper use, maintenance and repair of the private roads and drives servicing the overall community.