(See Article 1600)
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MARSHALL TOWNSHIP
DETERMINING ADJUSTED TRACT AREA (ATA)
FOR CONSERVATION SUBDIVISIONS – CLUSTER OPTION
ATA = the gross tract area minus the “constrained land.”
“Constrained Land” = the acreage resulting from applying multiplication factors to the areas of site constraints.
Gross Tract Area = ______ acres
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Description of Constraint |
Area of site constraint (acres) |
Resource Protection Factor (Multiplier) |
“Constrained Land” (acres) |
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Public Street or highway rights-of-way, existing
Land under private streets, existing
Utility rights-of-way, existing |
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1.00
1.00
1.00 |
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Wetlands
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1.00
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Floodways within 100-year floodplain
Floodplain, excluding floodways or wetlands within floodplains |
|
1.00
0.50 |
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Steep slopes greater than 25 percent
Moderately steep slopes 15 – 25 percent |
|
0.80
0.40 |
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Total “Constrained Land”
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NA |
NA |
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_______ acres gross - ________ acres “constrained land” = _______ acres ATA
Adapted from Natural Lands Trust, Inc. Feb. 2002