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1252.04  DEVELOPMENT REGULATIONS
   (a)   Project Area and Density.  The minimum site area and maximum permitted densities for a planned unit development shall conform to the following Schedule 1252.04(a).
SCHEDULE 1252.04(a)
Minimum Site Area and Maximum Permitted Density for Planned Development Areas
 
District
Minimum Site Area(a) (acres)
Minimum Open   Space (b)
Gross Maximum Density (units per acre)
Maximum Units on Any One Acre
   R-1
   20
   25%
   2.5
   5
   R-1
   50
   25%
   2.5
   8
   R-1A
   20
   25%
   3.5
   7
 
   (a)   The Planning Commission may approve a planned unit development which is not less than 15 acres when it determines that such deviation from the 20 acre standard is justified because of the exceptional quality of the design of the proposed development; the uniqueness of the natural features to be preserved; and/or ownership and development limitations which hinder the application from satisfying the minimum area specified.
   (b)   Shall only be considered in satisfying the percentage requirements when in compliance with Section 1252.06.
   (b)   Ownership.  The entire tract of land to be developed for a planned unit development shall be considered one zoning lot, and shall be in one ownership or, if in several, the application shall be filed jointly by all the owners of the properties included in the project.
   Further subdivision of land within the planned unit development may be permitted in accordance with the procedures of Chapter 1216. Any such subdivision of land, including the proposed dimensions between buildings and between buildings and any subdivided lot lines, shall be shown on the preliminary development plan. When a planned unit development is comprised of multiple lots of record, such multiple lots shall be consolidated into a single lot prior to, or concurrently with, any resubdivision pursuant to this section.
   (c)   Maximum Permitted Density.  The total number of dwelling units permitted by Schedule 1252.04(a) shall be calculated by multiplying the total land area by the number of dwelling units permitted per acre. Land area within public street rights-of-way, or highway easements, existing at the time the development plan is submitted and which is to be retained, shall not be included in the total land area. However, any land area which includes existing streets to be vacated, or new public street rights-of-way or private streets proposed as part of the planned development, may be included in determining the permitted density.
   (d)   Net Maximum Density. The maximum number density in Schedule 1252.04(a) shall be determined by calculating the units per acre within a subsection or subparcel of a planned development, excluding street rights-of-way, giving due deference to the purposes and development objectives of Sections 1252.02 and 1252.08 .
   (e)   Private Yards.  Each dwelling unit shall have its own private yard which shall be a limited outdoor living area contiguous to the dwelling unit at its own entrance and associated with that residence by approved patios, decks, screens, walls and landscaped plantings.
   (f)   Setbacks From Project Boundaries and Streets. All buildings and accessory uses, including parking areas, shall comply with the setback standards set forth in Schedule 1252.04(f).  For the purposes of this section only, the terms “building” and “accessory uses” shall not include:
      (1)   Patios constructed of concrete, brick pavers, stone or wood that are installed no more than six inches above grade level; or
      (2)   Fences installed in rear yards that are constructed of wrought iron or aluminum, wood, or PVC/vinyl of 48 inches or less in height with at least 50% of their vertical surface areas open as viewed at right angles.
SCHEDULE 1252.04(f)
Minimum Building and Parking Setbacks from Project Boundaries in Planned Unit Developments
 
Setback (in feet) from:
Existing Streets
New Interior Streets
Adjacent R-1, R-1A, and R-1B  Zoning Districts(c)
Adjacent R-2 and R-3 and all non-residential Zoning Districts
Public
(a)
Private
(b)
R-1 Non-Clustered Single Family Dwellings
   50
25
25
   45(c)
   25
R-1 Clustered & Attached Dwellings & Buildings
   50
25
25
   60
   25
R-1 Parking/Drives
   30
0
0
   30
   10
R-1A Buildings & Dwellings
   50
25
25
   50
   25
R-1A Parking/Drives
   30
0
0
   20
   10
 
   (a)   Setback to be measured from the right-of-way line
   (b)   Setback to be measured from the edge of the pavement
   (c)   If a single-family non-clustered dwelling has 15,000 square feet of land or greater, then the minimum project boundaries for such lots shall be as set forth for side and rear yard setbacks for principal uses in Schedule 1240.04, and minimum setbacks for accessory uses shall be as set forth in Schedule 1240.06(a).  A maximum 40% lot coverage shall apply to P.U.D. sublots over 15,000 square feet.
   (g)   Spacing Between Buildings. In order to ensure adequate privacy for each dwelling unit, the minimum spacing between buildings shall be determined by the types of walls facing each other and shall be the greater of the distances required below:
      (1)   When neither of the two walls facing each other contains windows, patios or decks, or the windows are in non-living areas, the two dwellings shall be separated by a minimum of 15 feet for conventional single-family detached housing and a minimum of 10 feet for attached or cluster housing.
      (2)   When one or both of the walls facing each other contain windows, other than primary windows of living areas, the two dwellings shall be separated by a minimum of 20 feet for conventional single-family detached housing, a minimum of 15 feet for attached housing and a minimum of 10 feet for cluster housing.
      (3)   When one or both of the walls facing each other contain primary windows of living areas or patios or decks, the two dwellings shall be separated by a minimum of 20 feet for conventional single-family detached and a minimum of 20 feet for attached and a minimum of 10 feet for cluster housing.
   For the purposes of this section, the following definitions shall apply: "living areas" shall include living rooms, family rooms, great rooms, bedrooms, dining rooms and kitchens; "primary window" means any window in a living space having a sill height of 60 inches or less above the floor. The Planning Commission, however, may consider the use of vision-obscuring landscaping or other site, building or design features between adjacent walls as providing adequate privacy for each dwelling unit and thus approve lesser spacing between walls than required above.
   (h)   Maximum Number of Units Attached. One-family attached dwellings shall be developed in a series of not more than six dwelling units, provided further that:
      (1)   The horizontal length of such series of attached units shall not exceed 60 feet in an unbroken plane without an offset of six feet.
      (2)   The average width of each attached unit shall be not less than 20 feet.
(Ord. 48-02.  Passed 2-25-02; Ord. 205-03.  Passed 9-22-03; Ord. 130-06.  Passed 11-13-06; Ord. 138-06.  Passed 12-11-06; Ord. 6-2011.  Passed 2-14-11.)