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alternative development strategies

greener methods of residential development
by

travis ferguson

on 22 April 2010

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Transcript of alternative development strategies

traditional development techniques problems with tradidional techniques
erosion
runoff
site selection (wetlands, hillsides, floodplains)
lead to car dependency
complete loss of native ecosystems

Harmony Stone Subdivision
57 Lot - 1 Acre Subdivision
McHenry County, Illinois "cluster housing," also called "conservation development" or "open space zoning"

produces same number of lots as traditional development
preserves 50-70 percent of land as open space
accomplished through smaller lots that are closer together

SO WHAT OTHER OPTIONS ARE THERE? What are the benefits of cluster housing? reduces development costs (less distance
to build roads, lay telephone lines, sewers, power
cables, etc.)
adds to sense of community among residents
maintains long views and scenic vistas
provides habitat for native wildlife and plants
walking paths and parks provide opportunity
for exercise and community cohesion
less mowing and lawncare means less gas for
riding mowers and less lawn chemicals
Housing Subdivision
Stillwater,MN wetlands housing development in the everglades, FL hillside development in Hollywood Hills, CA floodplain development on the Red River in Grand Forks, ND URBAN SPRAWL
AND
CONSERVATION DEVELOPMENT morning commute into downtown Phoenix, AZ typical suburban backyard Jackson Meadow Development
Stillwater,MN Loess Hills Residential Development
"Woodfield" subdivision Low Impact Development (LID)
LID is an ecologically friendly approach to land development and storm water
management. This approach emphasizes site design and planning techniques that retain water on-site and mimic the natural infiltration-based, groundwater-drive hydrology of our landscape.
The first phase includes 20 acres in lots for 42 homes and 20 acres of open green
space. Their goals include minimizing soil disturbing activities during construction and permanently managing storm water to protect water quality with LID practices that infiltrate water on-site.
when the project began in 2000, Woodfield was 175 acres of rugged, overgrazed,
highly erodible loess hills pasture in southwest Iowa techniques used in Woodfield LID project About 20,000 feet of pervious walking trail is planned for the entire Woodfield subdivision. A geoweb vinyl grid lies on top of a geoweb fabric. The grid holds open grated rock in place. The trail will infiltrate storm water runoff. Streets are one of the few impervious surfaces at Woodfield. To capture storm water runoff from streets, a road tube outlets water to compost-seed Filtrexx Soxx™ that reduce flow to a temporary sediment basin. There is now a permanent infiltration trench in place. Homes in Woodfield are located on hillsides and ridges, leaving rugged terrain below as open space filled with native grassses and trees. Notice that terraces, once built to reduce soil erosion on agricultural land, were kept in place. One of the many distinctive storm water management practices at Woodfield is grass swales, which substitute for traditional storm sewers. The swales were seeded with compost to absorb water. To prevent erosion until vegetation is established, compost socks were applied. SUSTAINABLE LOW-IMPACT OPEN SPACE GREEN BUILDING
COMMUNITY
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