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Hunnicutt Creek Green Space Rehabilitation

Hunnicutt Creek Green Space Rehabilitation

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Hunnicutt Creek Green Space Rehabilitation

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  1. Hunnicutt Creek Green Space Rehabilitation

  2. Area of Interest

  3. Uncontrolled runoff from impervious surfaces Unstable banks Undercut banks Massive erosion Loss of biotic integrity

  4. Permeable Pavement Design Install permeable pavement in parking area Prevent runoff reaching stream Protect downstream habitats Create aesthetically pleasing environment

  5. Permeable Pavement • Allows Runoff to infiltrate surface • Water is filtered as it flows through porous material • Pollutants are adsorbed onto subsurface sediments • Allows water to slowly flow into groundwater http://www.eot.state.ma.us/smartgrowth/07toolkit/lid/regional_planning/LID/new_photos/PorAsph-colored-xsec5-wlogo.JPG • Installation • Rubber grid installed over surface • Soil medium placed in grid cells • Grass planted in soil medium http://www.paversearch.com/images2/permtype1.jpg http://www.boddingtons.us/ground-reinforcement/images/BodPave-cars-on-grass_000.jpg

  6. Install Rain Garden • Install Impervious Wall • Add wetland plants

  7. Basic Rain Garden Design • Hole dug using backhoe • Course soil medium is placed in hole to hold water runoff • Wetland plant species planted at surface • Water joins groundwater and slowly joins creek at base-flow http://www.ecohusky.uconn.edu/images/RainGardenDesignPicture_000.jpg