Restoration
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Transcript of Restoration
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Accelera'ng Ac'on – Restora'on of the Built Environment
25 in.
8 in.
12 in.
Evapora'on
Infiltra'on
Runoff
Natural Water Balance Philadelphia, PA
Altered Water Balance Philadelphia, PA
Annual Rainfall
45 in.
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Challenges to Change
• Local Codes and Ordinances • Permit Approvals and Timelines • Construc'on Prac'ces and Knowledge • Maintenance • Aesthe'c Expecta'ons
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Stroud Water Research: Exis'ng vs Natural Condi'ons
Stroud site generated:
• 3.03 million gallons per year MORE runoff
(That would equal 14 feet of water in all the buildings)
• 1.52 million gallons
LESS recharge
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Upper Portion of Site Mushroom House
• Five Rain Gardens • Infiltration Trench • Level Spreader
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Porous Paths
Meadow
Meadow
Level Spreader Green Roof
Lower Portion of Site New Moorehead Environmental Complex
• Five More Rain
Gardens • Green Roof • Two Level
Spreaders • Two Cisterns • Meadows • Porous Pavements
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Rain Gardens/ Bioretention
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Level spreaders and Porous Pavers
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Cisterns Capture roof runoff for re-use in research facility
Drinking your water isn’t easy
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Shoemaker Green Univers i ty of Pennsylvania
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Stormwater: Tennis Court Storage Bed & Designed Soi ls
Layer % Sand
% Silt
% Clay Ks (cm/day)
Ks (in/hr)
S1 86.4 8.5 5.1 231.6 3.8 S2 87.3 9.5 3.2 281.6 4.6 S3 92.0 5.0 3.0 516.4 8.5 Image by Andropogon
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S t o rmwa t e r : S u b s u r f a c e e x i s ' n g c o n d i ' o n s
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S t o r mw a t e r P l a n All Overflow Beyond the Site’s Capacity (at least the first inch of runoff) is Directed to the Storm Sewer
Image by Andropogon
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Stormwater: Rain Garden
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Delaware Riverkeeper Network Van Sciver School Bioretention Area at Saddlers Woods
Constructed Plan
Constructed Plan
To Saddlers Woods
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Flow After Torrential Storm- Video
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Van Sciver School Bioretention Area at Saddlers Woods
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Van Sciver School Bioretention Area at Saddlers Woods
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Van Sciver School Bioretention Area at Saddlers Woods
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Challenges to Change • Local Codes and Ordinances • Permit Approvals and Timelines • Construction Practices and Knowledge • Maintenance • Aesthetic Expectations