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Green Infrastructure: Alternative
Approaches to Ecosystem and Water
Resources Restoration
Scott Horsley
Horsley Witten Group, Inc.- Founder and Partner
Tufts University – Adjunct Faculty
Photo Copyright 1999, Center for Watershed Protection
Alternative cul-de-sac
NYC GI Design Criteria
11
Stormwater Planters
• Vegetative uptake of
stormwater pollutants
• Pretreatment for
suspended solids
before they reach water-
treatment facilities
• Aesthetically pleasing
• Reduction of peak
discharge rate
18
NYC GI Design Criteria
ROW Bioswale – Site Photos
Water Table Map
With Groundwater
Flow Arrows
Horsley Witten
Preserved Historic Sandwich Road
Horsley Witten
Zone II
WWTP
Zone II
WWTP
Zone II
Interceptor/Irrigation
Wells
THANK YOU!
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Scott Horsley, "From Gray to Green Infrastructure"