1. Accelera'ng
Ac'on
–
Restora'on
of
the
Built
Environment
Annual
Rainfall
45 in.
25 in.
Evapora'on
Runoff
8 in.
Infiltra'on
12 in.
Natural
Water
Balance
Philadelphia,
PA
Altered
Water
Balance
Philadelphia,
PA

2. Challenges
to
Change
•
•
•
•
•
Local
Codes
and
Ordinances
Permit
Approvals
and
Timelines
Construc'on
Prac'ces
and
Knowledge
Maintenance
Aesthe'c
Expecta'ons

3. 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
•

4. Upper Portion of Site
Mushroom House
• Five Rain Gardens
• Infiltration Trench
• Level Spreader

5. Lower Portion of Site
New Moorehead
Environmental
Complex
• Five More Rain
Gardens
• Green Roof
• Two Level
Spreaders
• Two Cisterns
• Meadows
• Porous Pavements
Meadow
Meadow
Level
Spreader
Green Roof
Porous
Paths

10. Rain Gardens/ Bioretention

12. Level spreaders and Porous Pavers

13. Drinking your water isn’t easy
Cisterns
Capture roof runoff for re-use in research facility

15. Shoemaker
Green
University
of
Pennsylvania

16. Stormwater:
Tennis
Court
Storage
Bed
&
Designed
Soils
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

17. S t o r m w a 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

18. S t o r m w 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

19. Stormwater:
Rain
Garden

20. Delaware Riverkeeper Network
Van Sciver School Bioretention Area at Saddlers Woods
To Saddlers Woods
Constructed
Plan

21. Flow After Torrential Storm- Video

22. Van Sciver School Bioretention Area at Saddlers Woods

23. Van Sciver School Bioretention Area at Saddlers Woods

24. Van Sciver School Bioretention Area at Saddlers Woods

25. Challenges to Change
•
•
•
•
•
Local Codes and Ordinances
Permit Approvals and Timelines
Construction Practices and Knowledge
Maintenance
Aesthetic Expectations