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Green infrastructuresummary final
 

Green infrastructuresummary final

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    Green infrastructuresummary final Green infrastructuresummary final Presentation Transcript

    • What is Green Infrastructure and HowDoes It Reduce Wet Weather Issues?Making natural systems work for us:using soil and vegetation - rather than concrete and pipe,to manage stormwater volume, rate, and water quality impacts Prepared for: Onondaga County, New York Prepared by: October 2008 1
    • During dry weather, sanitary flows are collected in combined sewers for treatment at Metro Catch BasinCombined Sewer Sanitary Sewer Dry Weather Flow Creek Interceptor Sewer to Wastewater Treatment Facility 2
    • During wet weather, inflows exceed the collection system’s capacity and trigger a CSO Roof LeadersStormwater Runoff Catch Basin Combined Combined Sewer Sewer Sanitary Sewer Overflow Creek Interceptor Sewer to Wastewater Treatment Facility 3
    • Green solutions intercept and reduce stormwater flows to sewers, providing storage, infiltration, and treatment Roof Leader VegetatedStormwater Swale Runoff Porous Roadway Sanitary Combined Sewer Sewer Dry Weather Flow Creek Interceptor Sewer to Wastewater Treatment Facility 4
    • Green infrastructure reduces…. Flooding Erosion Stormwater runoff volume Stormwater pollutant loadings CSOs Gray infrastructure operation, maintenance, energy and treatment costs 5
    • Green Infrastructure Technologies and Example Applications Porous pavement  Bioretention/vegetated infiltration  Parking lots  Rain Gardens  Roadways  Vegetated curb extensions  Sidewalks  Tree trenches  Basketball courts  Planter boxes  Cisterns for capture/re-use  Vegetated roofs  Green streets  Combinations of the above 6
    • Porous Pavement Parking Lot 7
    • Porous Pavement Paver RoadwayPorous Pavement Asphalt Roadway 8
    • Porous Pavementbasketball court sidewalk 9
    • Rain Garden (bioretention/vegetative infiltration) 10
    • Vegetated Curb Extension –Plan View 11
    • Vegetated Curb Extension –Profile View 12
    • Tree Trench 13
    • Tree Trenches along Street 14
    • Planter Box 15
    • Cistern for Capture/Re-use 16
    • Vegetated Roof 17
    • Vegetated Roof under construction finished roof 18
    • Green Streets…putting it alltogether Portland State University Street Planters 19
    • Image Source: A Civic Vision for the Central Delaware Green Streets…putting it all together ~ “Catch the Rain” 20
    • Green Infrastructure improves: Water quality Air quality Neighborhood aesthetics Habitat and biodiversity Recreational and transportation opportunities Property values Community health and vitality 21