(A) Conservation Subdivision intent and prerequisites.
(1) Intent. The Conservation Subdivision type is intended to provide a development option with the following features.
(a) Land use. One hundred percent residential.
(b) Applicability. Residential subdivisions at least 40 lots and requiring new streets.
(c) Pedestrian network.
1. Pedestrian circulation within the subdivision that is sensitive to the subdivision’s natural amenities; and
2. Safe pedestrian accessibility to perimeter streets.
(d) Vehicular network.
1. Connectivity to adjacent development, adjacent undeveloped parcels and the existing street network;
2. Moderate use of cul-de-sacs;
3. Narrow streets without curb; and
4. On-street parking is discouraged.
(e) Site feature preservation.
1. Preserve existing quality tree stands; and
2. Preserve other existing natural amenities.
(f) Incentives.
1. Narrow local streets without curb;
2. Street lighting not required;
3. Sidewalks only required on one side of internal streets; and
4. Intensity bonus for conserving land as open space.
(2) Prerequisites.
(a) Base zoning. AG.
(b) Minimum parent tract. Five acres (217,800 square feet).
(c) Maximum parent tract. No maximum.
(d) Special qualifications.
1. The parent tract shall have a quality natural amenity covering at least 20% of the parent tract; and
2. Subdivision shall facilitate clustered development that ensures the preservation of on-site natural amenities and significant common open space.
Conservation Subdivision Intensity Bonus for Conserving at least 40% of Parent Track as Open Space
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Zoning District | ||
Conservation Subdivision Intensity Bonus for Conserving at least 40% of Parent Track as Open Space
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Zoning District | ||
AG | ||
Lot Standards | Min. average lot area | 30,000 sq. ft. |
Min. lot area | 26,000 sq. ft. | |
Min. lot width | 150 ft. | |
Setback Standards | Min. front setback | 70 ft. |
Min. rear setback | 35 ft. | |
Min. side setback | 25 ft. | |
Other Standards | Maximum density | No change |
Max. lot coverage | 35% | |
Min. dwelling unit size | 1,200 | |
(Ord. 10-2010, passed - -2010, § 6.05)
(B) Conservation Subdivision standards.
(1) Open space/landscaping.
(a) Minimum required open space. Forty percent.
(b) Minimum perimeter landscaping.
1. Twenty-five feet along perimeter streets that shall be common area; and
2. Ten feet along all other perimeters.
(2) Blocks.
(a) Minimum block length. One hundred feet.
(b) Maximum block length. One thousand seven hundred and sixty feet (one-third mile).
(c) Minimum cul-de-sac length. One hundred feet.
(d) Maximum cul-de-sac length. One thousand feet.
(3) Streets.
(a) Minimum ROW on local streets. Sixty feet.
(b) Minimum street width. Twenty-two feet.
(c) Curb. Not required.
(d) On-street parking. Not required.
(e) Minimum tree plot width. Five feet, if sidewalk is installed along street.
(f) Minimum sidewalk/sidepath width.
1. Unimproved path in conservation areas;
2. Four feet sidewalk along one side of internal local streets and internal collector streets;
3. Four feet sidewalk along both sides of internal arterial streets; and
4. Six feet sidepath or sidewalk along perimeter streets
(C) Additional design standards that apply.
(Ord. 10-2010, passed - -2010, § 6.06)