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Identifying Lands Eligible forLEED for Neighborhood DevelopmentIdentifying Lands Eligible forLEED for Neighborhood Development
A Methodology for Local Governments
February 7, 2008New Partners for Smart Growth
Eliot Allen, AICPCriterion Planners
LEED for Neighborhood Development is a registered trademark of USGBC
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LEED for Neighborhood Development Rating SystemLEED for Neighborhood Development Rating System
YesRegional accessibilityInfillBrownfield reuseUse mixJobs/housing proximitySchool proximityTransit serviceBiking network
Density and use mixHousing mix/affordabilityWalkabilityTransit serviceParksLocal foodUniversal access
Energy/water efficiencyBuilding reuseHistoric preservationStormwater mgmt.Solar orientationOn-site renewablesWastewater reuseRecyclingWaste management
NoWetlands disturbanceAgricultural land conversionFloodplains encroachmentSensitive habitat lossSteep slopes development
Gated streets
Construction pollutionLight pollutionHeat islands
Where
What
SmartLocations
NeighborhoodDesign
GreenConstruction
How
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The Methodology: Where Projects Meet Location PrerequisitesThe Methodology: Where Projects Meet Location Prerequisites
1. Identify and composite existing and officially planned water and wastewater serviceareas.
2. Exclude surface waters, wetlands, riparian areas, and their buffers from thecomposited utility service areas.
3. Exclude prime, unique, and important soils from the utility service areas.
4. Exclude imperiled species habitat, ecological communities, and their buffers fromthe service areas.
5. Exclude floodplains from the service areas.
6. In the remaining utility service areas, delineate the four allowed ND site types: Infill sites. High frequency transit service corridors. Diverse use neighborhoods. Low VMT traffic analysis zones.
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Data Requirements for the MethodData Requirements for the Method
Required Areas
Water and wastewater service areas:
Water and wastewater service areas operated by municipal utilities and special service districts.
Urban growth boundaries (if functionally and legally equivalent to water/wastewater service areas).
Excluded Areas
Imperiled habitat areas:
Federal and state endangered species habitat, and federal habitat conservation plan boundaries.
NatureServe G1 and G2 habitat.
Natural Heritage Program imperiled species survey boundaries.
Wetlands and water bodies:
Surface water bodies.
NWI wetlands and riparian areas.
Prime/unique soils:
NRCS soil surveys (prime/unique/state significance).
Floodplains:
FEMA 100-year floodplain.
Required Site Types
Adequate transit service areas:
Transit routes with stops and peak hour headways.
Complete neighborhoods:
Parcels or points attributed with NAICS business types, civic facilities, and schools for “diverse uses”
defined in the rating system.
Below average VMT traffic analysis zones:
TAZs attributed with per capita VMT.
Previously developed, infill, and adjacent areas:
Parcels attributed with existing land-use.
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Area of Application
Identify Co-Located Water & Wastewater Service Areas
Methodology Application StepsMethodology Application Steps
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Identify ND Site TypesIn Remaining Area
Method ContinuedMethod Continued
Exclude Sensitive ResourcesWater/Wastewater Service Area
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Method ContinuedMethod Continued
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Composite Sites to IdentifyAll Potentially-Eligible Lands Add-backs
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LEED for Neighborhood Development Rating SystemLEED for Neighborhood Development Rating System
YesRegional accessibilityInfillBrownfield reuseUse mixJobs/housing proximitySchool proximityTransit serviceBiking network
Density and use mixHousing mix/affordabilityWalkabilityTransit serviceParksLocal foodUniversal access
Energy/water efficiencyBuilding reuseHistoric preservationStormwater mgmt.Solar orientationOn-site renewablesWastewater reuseRecyclingWaste management
NoWetlands disturbanceAgricultural land conversionFloodplains encroachmentSensitive habitat lossSteep slopes development
Gated streets
Construction pollutionLight pollutionHeat islands
Where
What
SmartLocations
NeighborhoodDesign
GreenConstruction
How
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0 2.5 5 10Miles
Test Application: Clackamas County, OregonTest Application: Clackamas County, Oregon
WASHINGTONCOUNTY
MULTNOMAHCOUNTY
CLACKAMASCOUNTY
PORTLANDURBAN GROWTH
BOUNDARY
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Composited Water & Wastewater Service AreasComposited Water & Wastewater Service Areas
Clackamas County
Portland
Sandy
Gladstone
Oregon City
Wilsonville
Canby
Molalla
Estacada
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Exclusion of Non-Developable Lands From Utility Service AreasExclusion of Non-Developable Lands From Utility Service Areas
With Water Resources Excluded With Prime Soil Excluded
With Floodplains ExcludedImperiled Species Habitat
No habitat areas occurredinside the water andwastewater serviceareas.
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Composited Service Areas Remaining After ExclusionsComposited Service Areas Remaining After Exclusions
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Allowable Sites Within Remaining Services AreasAllowable Sites Within Remaining Services Areas
High-Frequency Transit Corridors Low VMT Traffic Zones
Clusters of Diverse Uses Infill Sites
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Potential ND-Eligible Lands in Clackamas CountyPotential ND-Eligible Lands in Clackamas County
Portland
Sandy
Estacada
Wilsonville
Canby
Molalla
Gladstone
Oregon City
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More InformationMore Information
Methodology paper at www.crit.com/documents/leednd method.pdf
Eliot Allen, Criterion Planners, [email protected]