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Sustainable Design Consultants, Inc.
Why Sustainable Site Design?• Reduces site construction costs
• Increases developable land
• Embraces the triple bottom line approach
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Sustainable Design Consultants, Inc.
Natural Stormwater Drainage Strategies
• Natural biological systems
• Not a “new” science
• Can be used anywhere
• Custom designed to fit site
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Sustainable Design Consultants, Inc.
Natural Stormwater Drainage Practices
BMP’s (Best Management Practices)
• Runoff Conveyance Practices
• Runoff Storage Practices
• Filtration Practices
• Infiltration Practices
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Sustainable Design Consultants, Inc.
BMP’s (Best Management Practices)• Runoff Conveyance Practices
• Runoff Storage Practices
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Sustainable Design Consultants, Inc.
Littoral/ Aquatic Shelves• Provides aerobic zone
• Promotes growth of beneficial microorganisms
• Increases surface area
• Safety zone
• Area of greatest biologic activity
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Sustainable Design Consultants, Inc.
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Sustainable Design Consultants, Inc.
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Sustainable Design Consultants, Inc.
Combined Benefits
• Slows down the water
• Provides wildlife habitat
• Creates beauty
• Cleans the water
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Sustainable Design Consultants, Inc.
Bad Examples
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Sustainable Design Consultants, Inc.
BMP’s - Filtration Practices
• Biological Process is the Key:
- They do not fail
- Require very little maintenance
- Physical breakdown of pollutants into harmless substances
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Sustainable Design Consultants, Inc.
N2
SANDY SOIL MEDIUM
MULCH
RAINFALL
RUNOFF
RUNOFF
NO3
AIR NH3
PARTICULATES
DRAIN
INFILTRATION
NH4
METALS,
NUTRIENTS
BIOLOGICAL FIXATION
EVAPOTRANSPIRATION
VOLITILIZATION
PLANT MATERIALS
NO2
AMMONIFICATION
Nitrogen Cycle for Bioretention
RECHARGE
DENITRIFICATION
NITROGEN FIXATION
PGDER
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Sustainable Design Consultants, Inc.
BMP’s (Best Management Practices)• Infiltration Practices
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Sustainable Design Consultants, Inc.
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Sustainable Design Consultants, Inc.
Related ProjectsPinckney Retreat
Residential Community using Natural
Stormwater Drainage and LID
Principles
• 35-acres
• 76 residential lots
• Traditional neighborhood
design
• Historical home and landscape
• Water and Marsh front
• Preserved Live Oak trees
• One of only 2 Honor Awards in
SC for Sustainable Design in
2008
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Sustainable Design Consultants, Inc.
Pinckney Retreat
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Sustainable Design Consultants, Inc.
Pinckney Retreat
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Sustainable Design Consultants, Inc.
Pinckney Retreat
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Sustainable Design Consultants, Inc.
Pinckney Retreat
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Sustainable Design Consultants, Inc.
• Central courtyards
organize campus
• Stormwater ponds
with littoral shelves
and forebays provide
water quality
Related ProjectsUniversity of South Carolina – Beaufort
Campus Planning and Complete Natural Stormwater System
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Sustainable Design Consultants, Inc.
University of South Carolina – Beaufort
• Functional Pond Design
• Encourage Filtration
through plant placement
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Sustainable Design Consultants, Inc.
University of South Carolina – Beaufort
Lagoon Construction
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Sustainable Design Consultants, Inc.
Front Lagoon One Year Following Planting
University of South Carolina – Beaufort
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Sustainable Design Consultants, Inc.
Richmond Hill Engineer Plan
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Sustainable Design Consultants, Inc.
Richmond Hill Water Quality Plan
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Sustainable Design Consultants, Inc.
Landscape Plan
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Sustainable Design Consultants, Inc.
Landscape Plan Installed
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Sustainable Design Consultants, Inc.
BMP’s (Best Management Practices)• Infiltration Practices
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Sustainable Design Consultants, Inc.
Permeable/ Porous Paving
• Encourages infiltration
• Reduces heat island
• Traps heavy metals
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Sustainable Design Consultants, Inc.
Low Impact Landscaping
• Planting native, drought-tolerant plants
• Converting turf areas to groundcovers, shrubs and trees
• Amending soil to improve infiltration rates
• Planting wildflower meadows rather than turf along medians and
in open space
• Encouraging longer grass length – strips, not areas
• Reforestation
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Sustainable Design Consultants, Inc.
How do these efforts translate into the “Development
Program”?
1. Conserve Natural Areas
2. Minimize Development Impact
3. Maintain Site Runoff Rate
4. Integrated Management Practices
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Sustainable Design Consultants, Inc.
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Sustainable Design Consultants, Inc.
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Sustainable Design Consultants, Inc.
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Sustainable Design Consultants, Inc.
2008
HGTV Green HomeLEED – for Homes Gold Rating
• Integrated Project Planning
• Quality Management for Durability
• Site Selection
• Infrastructure
• Community Resources and Public Transit
• Access to Open Space
• Site Stewardship
• Landscaping
• Shading of Hardscapes
• Surface Water Management
• Non-Toxic Pest Control
• Water Reuse
• High Efficiency Irrigation System
This project was completed while working for a previous employer.
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Sustainable Design Consultants, Inc.
Park Place Outreach
Youth ShelterLEED - NC Silver Rating
Conceptual Site Plan
• Integrated Project Planning
• Quality Management for Durability
• Alternative Transportation
• Infrastructure
• Community Resources and Public Transit
• Maximum Open Space
• Native Landscaping
• Reduced Heat Island Effect
• Storm Water Design – Quality Control
• Regional Materials
• Use of Recycled Content
• High Efficiency Irrigation System
This project was completed while working for a previous employer.
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Sustainable Design Consultants, Inc.
For More Information
• Center for Watershed Protection
www.cwp.org
• The Low Impact Development Center
www.lowimpactdevelopment.org
• Stormwater Research Center
www.stormwatercenter.net
• U.S. Environmental Protection Agency
www.epa.gov/owow/nps/urban.html
• UW Center for Urban Water Resources
www.depts.washington.edu/cuwrm/
• Mecklenburg County Water Quality Program
www.charmeck.org/Departments/Stormwater
• Prince George’s County Bioretention Manual
co.pg.md.us/Government/AgencyIndex/DER/ESD/Bioretention
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Sustainable Design Consultants, Inc.
Any Questions ?