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Environmental Practice
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Points Credit Value
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Applicable Zone
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Additional Requirements
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Tree preservation
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90 points per tree over 8" caliper.
Tree-save areas, tree preservation groupings, or undisturbed, delineated wetland and
riparian areas will be evaluated and may be assigned a credit value by the zoning
administrator on a case-by-case basis.
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Buffer, frontage, parking, foundation, screening
Single-family residential—Whole site
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Credit must be applied in the zone the trees are located in, except that trees which
do not fall into a particular zone may be applied to the buffer zone requirement with
approval of the zoning administrator.
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Parking reduction
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10 points per space below the minimum required in the zoning ordinance.
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Parking
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Parking reduction must be approved by the zoning administrator before credit is applicable.
Reduction requests are considered on a case-by-case basis during site plan review.
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Permeable material
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8 points per 162 square feet
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Parking, foundation, frontage
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Credits must be applied to the zone which the permeable material is located in.
No credits may be accumulated for permeable surfaces outside of a landscaping zone,
except as otherwise specified in article VIII.
Credits for surfaces which are located within a landscaping zone and extend out of
a landscaping zone (such as walkways between a building and a parking lot) may be
applied to the foundation zone only.
Maintenance specifications for the technology used shall be included in any required
site plans, environmental management plans, and in the BMP maintenance agreement for
the site.
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100% native plants
As identified by Virginia Department of Conservation and Recreation
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10% reduction in total points
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Parking, foundation, frontage, buffer, screening.
Single-family residential—Whole site
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Credit must be applied to the zone which the native species are planted in.
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Green roof
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Each 1 square foot of green roof equals 1 point reduction in the zone of choice.
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Foundation, buffer, frontage
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Xeriscaping
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10% reduction in total points
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Parking, foundation, buffer, frontage, screening
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Credit must be applied to the zone in which the xeriscaping is installed.
Not applicable to single-family residential.
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Green technology and intelligent siting
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Solar orientation
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10% reduction in points
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Foundation
Whole site total points—single-family residential only
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Seasonal shading
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10% reduction in points
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Foundation
Single-family residential—Whole site
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Solar/geothermal power generation, heating, and/or cooling
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20% reduction in points
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Foundation
Single-family residential—Whole site
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Innovative stormwater management (rain gardens, low impact development, graywater
reuse)
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10% reduction in points
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Foundation, parking, buffer, frontage, screening.
Single-family residential—Whole site
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Credit must be applied in the zone in which the facility is located.
Standard detention/retention ponds (with or without fountains) and drainage ditches
and swales (with or without vegetation) will not qualify for this credit.
Maintenance specifications for the technology used shall be included in any required
site plans, environmental management plans, and in the BMP maintenance agreement for
the site.
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U.S. Green Building Council Leadership in Energy and Environmental Design Certification
(LEED Rating)
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Certified rating
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5% reduction in buffer zone, PLUS 5% reduction in foundation zone, PLUS 5% reduction
in parking zone points
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Buffer, foundation, parking
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Silver rating
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10% reduction in buffer zone, PLUS 10% reduction in foundation zone, PLUS 5% reduction
in parking zone points
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Buffer, foundation, parking
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Gold rating
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15% reduction in buffer zone, PLUS 15% reduction in foundation zone, PLUS 10% reduction
in parking zone points
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Buffer, foundation, parking
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Platinum rating
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20% reduction in buffer zone, PLUS 20% reduction in foundation zone, PLUS 10% reduction
in parking zone points
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Buffer, foundation, parking
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Earthcraft Certified Construction
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15% reduction in total site points
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Whole site total points
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Single-family residential only
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