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Smart Growth Policy Review Committee

Explore guidelines for conservation subdivisions, including open space allocation, density bonuses, nonresidential uses, and subdivision process considerations. Discuss unpaved road subdivisions, family homestead exceptions, and cluster/zero lot-line subdivisions.

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Smart Growth Policy Review Committee

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  1. Smart Growth Policy Review Committee November 14, 2013

  2. Conservation Subdivisions Conservation design yields the same number of homes as a conventional subdivision. The difference is the layout of the homes and lots, with the conservation design resulting in greater open space preservation, less pavement and shorter distances to run utilities.

  3. Conservation Subdivision Standards • 60% of gross acres set aside for conservation, open space, or active agriculture • No minimum lot size or width • No maximum lot coverage • Setbacks: 20’ front, 30’ rear, and 5’ side and 100’ perimeter buffer • Maximum 600 units (200 units require council review) AGREED?

  4. Topics to Consider #1- WHERE?#2- DENSITY BONUS?#3- NONRESIDENTIAL USES?#4- PROCESS?

  5. Where? • FR, RC, A-1 to A-4, RA, RE, RR, MH-3 and 4 zoning classifications only? • Mandatory in ECO? • Allowed in transition areas? • Allowed in remaining unincorporated areas?

  6. Density Bonus Proposed Question? • Development that preserves all wetlands and at least 60% of the uplands or at least 75% of the gross acreage shall be granted a density bonus yield of 25% of base yield. • Allow base yield calculation of ECO lands, but restrict construction of bonus units to outside of ECO?

  7. Nonresidential Uses Proposed Question? • Convenience commercial designed to serve the population of the conservation subdivision • No more than 3 acres • Maximum 8,500 square feet • Additional square footage allowed for eco-tourism and agri-tourism • CD is by right, but may require rezoning to allow commercial? • Minimum number of units to support commercial? • Limit commercial to outside ECO?

  8. Process Proposed Questions? • Site Analysis Map • Site Visit • Conceptual Dev. Plan • Overall Dev. Plan • Preliminary Plat • Final Plat • Site visit mandatory? • Adding 2 steps to subdivision process OK?

  9. Unpaved Road Subdivisions

  10. Unpaved Road Subdivision • Requires platting • Max= 10 lots • Min= 2.5 acres lot size • Min- 10,000 sq.ft. of building area outside 100 yr. flood zone • Max= 1,320 ft. road length from a 24’ wide, publicly maintained road • Unpaved road area is considered impervious for stormwater calcs. Design: • 30 MPH • 2 lanes • 20’ min. surface width • 60’ min ROW width Unpaved road is private, under common ownership, and maintained by mandatory Homeowners Association.

  11. Family Homestead Exception Parent Parcel Family Homestead Parcel • FR, AR or Rural designation • FR or A-1 zoning • Minimum 25 acres • Can create one lot for immediate family member • Minimum 1 acre • Setbacks: 40’ front and rear; 25’ side • 10,000 sq.ft. buildable area outside 100 yr flood • Record Family Homestead Certificate and affadavit

  12. Cluster/Zero Lot-Line Subdivisions • Move from zoning code to land development code • All lot area reduction amounts shall be combined to set aside an equivalent land area for common open space • Allowed in R-1 through R4, and R-6 zoning classifications • Maximum 40% lot coverage • Minimum 45’ lot width • Minimum 5,000 square feet lot size • Setbacks: 25’ front, 20’ rear, and 5’ side (or 0’/15’)

  13. QUESTIONS?

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