A particular tract may include more than one phase or project.

Final approval may be granted separately for each phase or project. However, prior to granting final approval, a conceptual plan or preliminary development plan shall have been approved by the Board, or a conceptual plan shall be under review by the Board, in which case the Board shall find that such final approval will not be detrimental to the overall development of the tract and further that such final approval prior to approval of a conceptual plan or preliminary development plan for the tract shall not involve more than 5% of the housing units proposed for the entire tract.

Where there is proposed within a PRD a single-family residential lot which will have an area of 20,000 square feet or less, the following buffer requirements shall apply: (1) where the lot abuts an off-tract single-family residential lot in excess of 45,000 square feet there shall be a minimum buffer of 50 feet; (2) where the lot abuts an off-tract single-family residential lot of 45,000 square feet or less there shall be a minimum buffer of 100 feet. Landscaping shall be provided in buffer areas in accordance with Section 21-43.

No roadway or public right-of-way shall be located within 50 feet of an existing off-tract residential property line, or within 150 feet of a zone boundary except in such cases where the Board determines that it shall be necessary for an existing or future roadway connection.

Building face to local street curb or pavement: 25 feet.

Building face to collector street curb or pavement: 40 feet.

Building face to arterial street curb or pavement: 50 feet.

Building face to common parking area:

Window wall to window wall:

The Planning Board may reduce the above distances by not more than 1/3 if there is an angle of 20° or more between buildings and if extensive landscaping or buffers are placed between buildings.

Design. Each dwelling unit and combined complex of dwelling units shall have a compatible architectural theme with variations in design to provide attractiveness to the development which shall include consideration of landscaping techniques, building orientation to the site and to other structures, topography, natural features and individual dwelling unit design such as varying unit widths, staggering unit setbacks, providing different exterior materials, changing roof lines and roof designs, altering building heights and changing types of windows, shutters, doors, porches, colors and vertical or horizontal orientation of the facades, singularly or in combination for each dwelling unit.

Setbacks. No building containing multifamily dwelling units shall be located within 150 feet of the zone boundary within which the building will be located, or within 150 feet of any existing single-family residential property line unless such building abuts a similar zone or use, in which case any building containing multifamily dwelling units shall be located, if approved by the Board, to form a continuation of the adjacent zone or development.

Common Utilities. Each building shall contain not more than a single TV master antenna system which shall serve all dwelling units within the building.

For single-family dwelling units, the maximum floor area allowed per lot in square feet shall equal 20 times the lot width measured at the building setback line, unless at least 35% of the floor area is on other than the first floor, in which case, the maximum floor area may be increased by 20%.

For twin (duplex) dwelling units, the maximum floor area allowed per lot in square feet shall equal 20 times the lot width measured at the building setback line, unless at least 35% of the floor area is on other than the first floor, in which case, the maximum floor area may be increased by 20%.