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Rain Gardens
 

Rain Gardens

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In this slide show Tom Barrett, head of Green Water infrastructure, examines the positive environmental impact rain gardens can have on the environment and ways to maximize their effect

In this slide show Tom Barrett, head of Green Water infrastructure, examines the positive environmental impact rain gardens can have on the environment and ways to maximize their effect

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  • Tom Barrett is owner of Green Water Infrastructure. He has over thirty years of successful landscape industry experience and is known as an accomplished corporate growth and change agent. Mr. Barrett has held various leadership positions at such industry leaders as Rain Bird, Kenney Machinery, Ewing, Netafim, and MacAllister Machinery. He has worked with such projects as Animal Kingdom at Walt Disney World in Florida. He has won numerous awards in Quality and Process Improvement, and is a frequent contributor of articles for numerous publications. Mr. Barrett holds a Bachelor of Science in Agronomy and Plant Genetics from the University of Arizona. He furthered his studies in architecture at Syracuse Univ. He holds multiple certifications in irrigation and water conservation. Tom is a member of the Indiana Nursery and Landscape Association, as well as the International Irrigation Association, in which he chairs the Communications Committee. He is an approved instructor for the Irrigation Association. Tom Barrett has been sharing his expertise and his ideas in energetic and dynamic presentations for over twenty years. He is a master trainer. His presentations empower people to become masters of change, rather than victims of circumstance by developing tools for transformative thinking. Currently, Tom delivers over thirty presentations each year to organizations around the country. He is well-suited to talk to us today about Rain Gardens & Bioswales. Please join me in welcoming, TOM BARRETT!

Rain Gardens Rain Gardens Presentation Transcript

  • Rain Gardens & Bioswales
    • By Tom Barrett
    • Green Water Infrastructure, Inc.
  • The GREEN Economy
  • Low Impact Site Development
  • Planting Trees
  • Pesticide Issues
    • Atrazine, Nitrogen, Phosphorous
  • Rain Garden
    • A Low Spot
    • Catches Stomwater
    • Deep Rooted Plants
  • Simple Rain garden
  • Bioswales
    • Engineered Soils
    • Underdrain
  • Rain Gardens Plant Choices Choose plants based on the need for light and soil type. Location Rain gardens are often located at the end of a roof or drain spout. Depth A typical Rain Garden is between four to eight inches deep. Size A Rain Garden usually five to ten percent of the impervious surface area. Soil A tpical mix is 65% sand, 15% top soil, 25% organic matter.
  • Rain Garden
  • Rain Garden
  • Bioswales
    • Burnsville, Minnesota
  • Native Vegetation
  • Street Edges & Medians
  • Street Median
  • Parking Lot Edges
  • Parking Lot Islands
  • Driveway Edge
  • Downspout
  • Neighborhoods
    • Meet Stormwater Regulations
    • Detention Volume
    • Fix Drainage Issue
    • Fix Erosion Issue
    • Utility Clearance
    • Soil Investigation
    • Percolation Test
    Criteria
  • Criteria
    • Near the Rainwater Source
    • Avoid “End-of Pipe” because of Sedimentation Issues
    • Typically 10’ to 20’ from Buildings
    • Distributed Evenly Across the Site
    • Small Tributary Areas (usually 1 acre or less)
  • Soil Investigation
    • Soil Profile to Five Feet
    • Soil Compaction Level
    • Depth to Groundwater and Bedrock
  • Percolation Test
    • Solid Infiltration Rate
    • Key Design Parameter
    • Percolates water in 24 Hours
  • Sizing
    • Determine Design Goals
    • Calculate Runoff Volume
    • Determine Allowable Depth
    • Calculate Surface Area
    • Native vs. Engineered Soil Assessment
  • Sizing
    • Runoff Volume = Precipitation x Drainage Area x Runoff Coefficient
  • Depth
    • Based Upon Infiltration Rate
    • Infiltration in One Day
    • Avoid Misquotes
    • Maximum Depth 18” for Safety
  • Surface Area
    • Area of Rain Garden (ft 2 ) = Runoff Capture Volume (ft 3 ) / Average Depth (ft)
    • A=V/D(average)
  • Engineered Soils
    • Bioretention
    • Space Available
    • Volume of Stormwater
    • Drain Faster (the garden can be deeper and not as wide)
  • Plants - Bottom
    • Palm Sedge
    • Soft Rush
    • Tussock Sedge
    • Marsh Milkweed
    • Blue Flag Iris
    • Joe-Pye Weed
  • Plants - Sides
    • Purple Coneflower
    • Showy Goldenrod
    • Smooth Phlox
  • Plants - Edges
    • Butterfly Milkweed
    • Little Bluestem
    • Aromatic Aster
  • Inlets
  • Outlets
  • Curb Cut & Filter Strip
    • Controls Sedimentation
  • Splash Blocks
    • Prevents Erosion and Gullies
  • Wetlands Restoration
  • Raymond Park Wetlands
    • Indianapolis, Indiana
  • Kovian Residence
    • Indianapolis, Indiana
  • Hamilton County Fair Grounds
    • Noblesville, Indiana
  • Elsner Residence
    • Noblesville, Indiana
  • Mulberry Fields
    • Fishers, Indiana
  • Motivate Our Minds
    • Muncie, Indiana
  • Longfellow Elementary School
    • Muncie, Indiana
  •  
  • Functional Landscapes
  •  
  • Thank You