low-impact development case study examples
DESCRIPTION
Mark Schollen The essential requirements for green infrastructure design and key issues for the application of green infrastructureTRANSCRIPT
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2012 Green Building Festival
EVERGREEN BRICK WORKS
LOW IMPACT DEVELOPMENT (L.I.D.) CASE STUDIES
OCTOBER 11, 2012
Mark Schollen Principal
Schollen & Company Inc.
Landscape Architecture
Urban Design
Environmental Restoration
L.I.D. Design
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Low Impact Development (L.I.D.) Case Studies
2012 Green Building Festival
Building Green Infrastructure Design Essentials
– Multi-disciplinary team
Engineers
Architects
Landscape architects
Ecologists
– Integrated design process
– Multi-objective based approach
– Commitment to innovation
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York University Life Sciences Building,
Toronto
NXL Architects / SSG Architects
Schollen & Company Inc.
R.V. Anderson Associates
Objectives:
– Achieve restricted discharge rate
– Encourage infiltration
– Provide a source of non-portable water for irrigation
– Achieve LEED® requirements
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York University Life Sciences Building, Toronto
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York University Life Sciences Building, Toronto
Permeable pavements over rainwater harvesting tank
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York University Life Sciences Building, Toronto
Permeable pavements over plaza over infiltration medium
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York University Life Sciences Building, Toronto
L.I.D. integration with design inspiration
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York University Sherman Health Research
Science Centre, Toronto
NXL Architects
Schollen & Company Inc.
R.V. Anderson Associates
Objectives:
– Repurpose a former ice rink complex
– Moderate runoff rates
– Recycle concrete from ice pad
– Create an unique ecosystem
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York University Sherman Health Research Science Centre,
Toronto
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York University Sherman Health Research Science Centre,
Toronto
Retrofitted and repurposed ice rink complex to create a new research centre building
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York University Sherman Health Research Science Centre,
Toronto
Synthetic alvar / infiltration galley constructed using recycled concrete from ice rink
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York University Sherman Health Research Science Centre,
Toronto
New pedestrian bridge over alvar to enhance connectivity to campus
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Edwards Gardens Parking Lot, Toronto Kylemore New Yorkton (Deacon Property),
Markham
Angus Glen Development
Schollen & Company Inc.
Stantec Consulting Group
Objectives:
– Establish compact medium density community
– Integrate infiltration galleries to moderate temperature
– Achieve enhanced water quality through creation of a “forested swamp”
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Kylemore New Yorkton (Deacon Property), Markham
Infiltration Gallery
Inlet to Infiltration Basin
Infiltration Basin
Forested Swamp
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Kylemore New Yorkton (Deacon Property), Markham
Considerations:
o Condominium model
allowed for flexibility to
integrate solutions
into streetscapes
o Compact built form
presented challenges
and conflicts with
utilities, fences, etc.
o More integrated
approach to construction would have been beneficial
o Draft plan approved prior to L.I.D. integration
o SWM techniques are amenities within the community
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Edwards Gardens / TBG Sustainable Parking Lot,
Toronto
Schollen & Company Inc.
RV Anderson Associates
City of Toronto
Toronto Botanical Garden
Objectives:
– Restore an existing degraded parking lot
– Integrate SWM – quality and quantity
– Enhance tree canopy
– Improve circulation and utility
– Position as complementary to TBG programs
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Concept Plan
Edwards Gardens / TBG Sustainable Parking Lot, Toronto
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1
1
1
1 Biofilter
Stormwater Management Plan
Edwards Gardens / TBG Sustainable Parking Lot, Toronto
2 Permeable Pavement
2
2
2
2
Subsurface Flow
Surface Flow Outlet
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Biofilter inlet and permeable paver
installation
Edwards Gardens / TBG Sustainable Parking Lot, Toronto
Biofilter installation
Construction Process
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Permeable pavement at entrance
roundabout
Edwards Gardens / TBG Sustainable Parking Lot, Toronto
Permeable pavement and biofilter
Completed Installation
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Permeable pavement parking pads
and walkways
Edwards Gardens / TBG Sustainable Parking Lot, Toronto
Extensive plantings to complement
TBG
Completed Installation
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Challenges / Lessons Learned:
– Budget
Basic resurfacing $800,000
Sustainable parking lot $1.8 million
– Timing – relative to TBG programs
– Need to maintain parking capacity
– Retrofit project issues
Edwards Gardens / TBG Sustainable Parking Lot, Toronto
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The Great Lakes Chapter of the International Erosion Control Association
The Green Infrastructure Ontario Coalition
Honda Canada Campus,
Markham
ZAS / HOK Architects
Sabourin Kimble & Associates
Schollen & Company Inc.
Objectives:
– Minimize reliance on end-of-pipe SWM
– Optimize efficiency
– Utilize the landscape as a functional system
– Address practical considerations
– Reflect Honda’s corporate mission
– Achieve LEED Certification
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Honda Canada Campus, Markham
Site Plan
Site Area = approx.27 ha
Building Area = 27,127m²
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Key
1. Rainwater
collection &
irrigation water
storage facility
2. Bio-filters –
Stormwater
runoff
3. Porous
pavement
4. Vegetated
swales
5. Overflow
storage area
2
3
4
5 1
2
2
3
3
Honda Canada Campus, Markham
Stormwater Management Plan
OVERFLOW
POND
CONTROL
MH
RAINWATER
HARVESTING
SYSTEM
PDC
R&D
OFFICE
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Honda Canada Campus, Markham
Biofilter Plan
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Honda Canada Campus, Markham
Biofilter Section
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Honda Canada Campus, Markham
Selected Site Photos
Permeable Pavement in Parking Lot Permeable Pavement in Forecourt Roundabout
Rainwater Harvesting Tank Natural Drainage
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Biofilter
Granular Fitness Path and Drainage Swale
Paving and plants in
courtyard Landscaped Outdoor
Eating Areas
Honda Canada Campus, Markham
Selected Site Photos
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Challenges / Lessons Learned:
– Contractor education is key
– Integration of utilities and infrastructure is critical
– Maintenance / management program is essential
– System must be protected during construction
Honda Canada Campus, Markham
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Bill Crothers Secondary School, Markham
ZAS / HOK Architects
Schaefers Associates
Schollen & Company Inc.
Objectives:
– Achieve pre to post development water balance
– Address off-site catchment area contribution
– Provide water for irrigation
– Utilize a treatment-train approach
– Enhance the Rouge River corridor
– Achieve recreational/educational program requirements
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Bill Crothers Secondary School, Markham
Concept Plan
Site Area = approx.12.25 ha
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Bill Crothers Secondary School, Markham
Stormwater Management Strategy
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ROOF AREA FLOWS
DIRECTLY TO RAINWATER
STORAGE FACILITY
FLOW
SPLITTER
BIOFILTERS
QUALITY AND
QUANTITY
TREATMENT
FOR PARKING
LOT AREAS
STORMWATER
MANAGEMENT PONDS
QUALITY AND
EROSION CONTROL
WETLAND GROUNDWATER
RECHARGE ATTENUATION
HABITAT ENHANCEMENT
UNDERGROUND
STORAGE
RAINWATER
RECYCLING
SYSTEM
VEGETATED SWALE
CONVEYANCE AND TREATMENT
FOR ENTRY ROAD
BIOFILTERS
QUALITY AND QUANTITY
TREATMENT FOR ROADS
AND FORECOURT
Bill Crothers Secondary School, Markham
Stormwater Management Plan
STORMWATER WETLAND
FIELD 2
FIELD 2
FIELD 1
EXTERNAL DRAINAGE
2 HA FUTURE URBAN
DEVELOPMENT FUTURE HARD
SURFACE COURTS
SCHOOL
BUILDING
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Bill Crothers Secondary School, Markham
Selected Site Photos
Parking Lot with Biofilter Artificial Turf Sports Field and Running Track
with Rainwater Harvesting System Beneath
Storage Pipe Construction Biofilter
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Challenges / Lessons Learned:
– Contractor education is key
– Protection of installations during construction is essential
– Maintenance – inadequate maintenance can impact function
– Municipal standards stifle innovation
Bill Crothers Secondary School, Markham
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Edwards Gardens Parking Lot, Toronto Dundas Street Commercial Site,
Mississauga
Fieldgate Commercial / Smart Centres
Counterpoint Engineering
Schollen & Company Inc.
Terraplan Landscape Architects
Objectives:
– Improve infiltration potential
– Enhance base flow contribution to Etobicoke Creek
– Improve extent of natural system along stream corridor
– Manifest LID technologies as amenities in the landscape
– Expedite the approval process
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Concept Plan
Dundas Street Commercial Site, Mississauga
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Stormwater Management Plan
Dundas Street Commercial Site, Mississauga
1
1
1
2
3 4
4
5
Infiltration Tank / Rainwater Harvesting
Subsurface Flow
Surface Flow
Permeable Pavement
1 Biofilters
2 Attenuation Pond
3 Stormwater Fountain
4
5
Interpretive Pavilions
Vegetated Swale
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The Avenue – Integrated SWM / Streetscape Design
Dundas Street Commercial Site, Mississauga
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Storm Fountain Feature – Concept
Dundas Street Commercial Site, Mississauga
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Sections
Dundas Street Commercial Site, Mississauga
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Challenges / Lessons Learned:
– Reclamation of Brownfields site
Soil contamination
Dumped debris
– Extent of impervious cover – parking and building area
– Practical commercial requirements:
Circulation
Servicing / loading
Visibility of retail tenants
Dundas Street Commercial Site, Mississauga
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Low Impact Development (L.I.D.) Case Studies
2012 Green Building Festival
Low Density
Residential
Increased topsoil
depth X X X
Rainwater
harvesting
cisterns X X X
Permeable
pavement
driveways X X X
Enhanced rear
yard swales X X X
Rain gardens X X X X
Community
Component
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Low Impact Development (L.I.D.) Case Studies
2012 Green Building Festival
Medium
Density
Residential
Increased topsoil
depth X X X
Rainwater
harvesting
cisterns X X X
Permeable
pavement
driveways X X X
Biofilters X X X X X
Community
Component
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Low Impact Development (L.I.D.) Case Studies
2012 Green Building Festival
Mixed-Use /
Live-Work
Rainwater
harvesting cisterns X X X
Biofilters in
parking areas X X X X X
Permeable
pavement X X X
Parking lot storage X X X
Enhanced tree
canopy cover X X X
Community
Component
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Low Impact Development (L.I.D.) Case Studies
2012 Green Building Festival
Employment Rainwater
harvesting cisterns X X X
Biofilters in
parking areas X X X X X X
Stormwater
fountains / features X X X X X X X
Parking lot storage X X X
Permeable
pavement X X X
Roof top storage X X X
Community
Component
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tio
n w
ith
su
mp
pu
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Pri
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Potential
L.I.D.
Techniques
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Low Impact Development (L.I.D.) Case Studies
2012 Green Building Festival
Parks /
Open Space
Integration of
biofilters X X X X
Integration of
surface storage X X X
Enhanced tree
canopy cover X X X
Sub-surface
storage X X X X
Infiltration galleries
to serve streets /
development areas X X X X
Community
Component
Inte
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su
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Pri
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Potential
L.I.D.
Techniques
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blic
reg
ula
tio
n o
f o
utl
et
Pu
blic
ow
ner
ship
op
erat
ion
No
mai
nte
nan
ce r
equ
ired
Per
iod
ic m
ain
ten
ance
(5-
10 y
ears
)
Lit
ter
rem
ova
l
Lan
dsc
ape
mai
nte
nan
ce
An
nu
al in
spec
tio
n
Cat
chb
asin
cle
an-o
ut
Win
teri
zin
g
Cle
arin
g o
f ro
of
dra
in
Infr
equ
ent
sed
imen
t re
mo
val (
10 y
ears
+)
Maintenance Requirements Ownership/Operation Scenario
Pri
vate
Pu
blic
![Page 49: Low-Impact Development Case Study Examples](https://reader033.vdocuments.us/reader033/viewer/2022052621/557ca495d8b42a826c8b4890/html5/thumbnails/49.jpg)
49
Low Impact Development (L.I.D.) Case Studies
2012 Green Building Festival
Rights of
Way
Enhanced
boulevards /
greenways to
incorporate
biofilters, swales or
retention storage
X X X
Integration of
permeable
pavement into lay-
bys
X X X
Enhanced tree
canopy cover X X X
Community
Component
Inte
gra
tio
n w
ith
su
mp
pu
mp
sys
tem
Pri
vate
Potential
L.I.D.
Techniques
Pu
blic
Pro
visi
on
fo
r 15
% f
ailu
re r
ate
En
actm
ent
of
dri
vew
ay b
y-la
w
En
actm
ent
of
tree
by-
law
Pri
vate
op
erat
ion
pu
blic
reg
ula
tio
n o
f o
utl
et
Pu
blic
ow
ner
ship
op
erat
ion
No
mai
nte
nan
ce r
equ
ired
Per
iod
ic m
ain
ten
ance
(5-
10 y
ears
)
Lit
ter
rem
ova
l
Lan
dsc
ape
mai
nte
nan
ce
An
nu
al in
spec
tio
n
Cat
chb
asin
cle
an-o
ut
Win
teri
zin
g
Cle
arin
g o
f ro
of
dra
in
Infr
equ
ent
sed
imen
t re
mo
val (
10 y
ears
+)
Maintenance Requirements Ownership/Operation Scenario
Pri
vate
Pu
blic
![Page 50: Low-Impact Development Case Study Examples](https://reader033.vdocuments.us/reader033/viewer/2022052621/557ca495d8b42a826c8b4890/html5/thumbnails/50.jpg)
50
Low Impact Development (L.I.D.) Case Studies
2012 Green Building Festival
SUMMARY
Key issues with implications on the
application of Green Infrastructure:
– Site conditions
– Integration with municipal standards
– Contractor education
– Maintenance and operation
– Need for monitoring
![Page 51: Low-Impact Development Case Study Examples](https://reader033.vdocuments.us/reader033/viewer/2022052621/557ca495d8b42a826c8b4890/html5/thumbnails/51.jpg)
51
Low Impact Development (L.I.D.) Case Studies
2012 Green Building Festival
SUMMARY
Green Infrastructure Design Essentials:
– Integrated design process
– Multi-disciplinary team
– Iterative / inclusive methodology
– Creativity / innovation
– Perseverance
![Page 52: Low-Impact Development Case Study Examples](https://reader033.vdocuments.us/reader033/viewer/2022052621/557ca495d8b42a826c8b4890/html5/thumbnails/52.jpg)
52
RICHMOND HILL • ONTARIO • CANADA:
30 Wertheim Court, Unit 15
Richmond Hill, Ontario L4B 1B9
Tel: 289-695-0009
Fax: 289-695-0010
Email: [email protected]
SHANGHAI • CHINA:
Floor 17, The Regent Asia Business Centre
No. 19 Wuning Road, Shanghai, 200042
Tel: 021-6231-0753
2012 Green Building Festival
EVERGREEN BRICK WORKS
LOW IMPACT DEVELOPMENT (L.I.D.) CASE STUDIES
OCTOBER 11, 2012
Mark Schollen Principal
Schollen & Company Inc.
Landscape Architecture
Urban Design
Environmental Restoration
L.I.D. Design