Low-Impact Development Case Study Examples

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Mark Schollen
The essential requirements for green infrastructure design and key issues for the application of green infrastructure

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Low-Impact Development Case Study Examples

  1. 1. 2012 Green Building Festival EVERGREEN BRICK WORKSLOW 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 1
  2. 2. Low Impact Development (L.I.D.) Case StudiesBuilding Green Infrastructure Design Essentials– Multi-disciplinary team  Engineers  Architects  Landscape architects  Ecologists– Integrated design process– Multi-objective based approach– Commitment to innovation2012 Green Building Festival 2
  3. 3. York University Life Sciences Building, Toronto Objectives: – Achieve restricted discharge rate – Encourage infiltration – Provide a source of non-portable water for irrigation – Achieve LEED® requirementsNXL Architects / SSG ArchitectsSchollen & Company Inc. 3R.V. Anderson Associates
  4. 4. York University Life Sciences Building, Toronto
  5. 5. York University Life Sciences Building, Toronto Permeable pavements over rainwater harvesting tank
  6. 6. York University Life Sciences Building, Toronto Permeable pavements over plaza over infiltration medium
  7. 7. York University Life Sciences Building, Toronto L.I.D. integration with design inspiration
  8. 8. York University Sherman Health Research Science Centre, Toronto Objectives: – Repurpose a former ice rink complex – Moderate runoff rates – Recycle concrete from ice pad – Create an unique ecosystemNXL ArchitectsSchollen & Company Inc. 8R.V. Anderson Associates
  9. 9. York University Sherman Health Research Science Centre,Toronto
  10. 10. York University Sherman Health Research Science Centre,Toronto Retrofitted and repurposed ice rink complex to create a new research centre building
  11. 11. York University Sherman Health Research Science Centre,Toronto Synthetic alvar / infiltration galley constructed using recycled concrete from ice rink
  12. 12. York University Sherman Health Research Science Centre,Toronto New pedestrian bridge over alvar to enhance connectivity to campus
  13. 13. Edwards Gardens Parking Lot, Toronto Kylemore New Yorkton (Deacon Property), Markham Objectives: – Establish compact medium density community – Integrate infiltration galleries to moderate temperature – Achieve enhanced water quality through creation of a “forested swamp”Angus Glen DevelopmentSchollen & Company Inc. 13Stantec Consulting Group
  14. 14. Kylemore New Yorkton (Deacon Property), Markham Infiltration Gallery Infiltration Basin Inlet to Infiltration Basin Forested Swamp
  15. 15. Kylemore New Yorkton (Deacon Property), MarkhamConsiderations:o Condominium model allowed for flexibility to integrate solutions into streetscapeso Compact built form presented challenges and conflicts with utilities, fences, etc.o More integrated approach to construction would have been beneficialo Draft plan approved prior to L.I.D. integrationo SWM techniques are amenities within the community
  16. 16. Edwards Gardens / TBG Sustainable Parking Lot, Toronto Objectives: – Restore an existing degraded parking lot – Integrate SWM – quality and quantity – Enhance tree canopy – Improve circulation and utility – Position as complementary to TBG programsSchollen & Company Inc.RV Anderson AssociatesCity of Toronto 16Toronto Botanical Garden
  17. 17. Edwards Gardens / TBG Sustainable Parking Lot, TorontoConcept Plan
  18. 18. Edwards Gardens / TBG Sustainable Parking Lot, TorontoStormwater Management Plan 2 1 2 1 2 1 2 1 Biofilter Subsurface Flow Outlet 2 Permeable Pavement Surface Flow
  19. 19. Edwards Gardens / TBG Sustainable Parking Lot, TorontoConstruction Process Biofilter inlet and permeable paver Biofilter installation installation
  20. 20. Edwards Gardens / TBG Sustainable Parking Lot, TorontoCompleted InstallationPermeable pavement at entrance Permeable pavement and biofilterroundabout
  21. 21. Edwards Gardens / TBG Sustainable Parking Lot, TorontoCompleted Installation Permeable pavement parking pads Extensive plantings to complement and walkways TBG
  22. 22. Edwards Gardens / TBG Sustainable Parking Lot, Toronto 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
  23. 23. The Great Lakes Chapter of the International Erosion Control Association Honda Canada Campus, Markham 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 CertificationZAS / HOK ArchitectsSabourinGreen Infrastructure The Kimble & Associates Ontario Coalition 23Schollen & Company Inc.
  24. 24. Honda Canada Campus, MarkhamSite Plan Site Area = approx.27 ha Building Area = 27,127m²
  25. 25. Honda Canada Campus, MarkhamStormwater Management Plan OVERFLOW POND 2 5 1 CONTROL MH RAINWATER 4 PDC HARVESTING SYSTEM 2 R&D 3 3 Key OFFICE 1. Rainwater collection & irrigation water storage facility 3 2. Bio-filters – Stormwater 2 runoff 3. Porous pavement 4. Vegetated swales 5. Overflow storage area
  26. 26. Honda Canada Campus, MarkhamBiofilter Plan
  27. 27. Honda Canada Campus, MarkhamBiofilter Section
  28. 28. Honda Canada Campus, MarkhamSelected Site Photos Rainwater Harvesting Tank Natural Drainage Permeable Pavement in Parking Lot Permeable Pavement in Forecourt Roundabout
  29. 29. Honda Canada Campus, MarkhamSelected Site PhotosGranular Fitness Path and Drainage Swale Paving and plants in Landscaped Outdoor courtyard Eating AreasBiofilter
  30. 30. Honda Canada Campus, MarkhamChallenges / Lessons Learned:– Contractor education is key– Integration of utilities and infrastructure is critical– Maintenance / management program is essential– System must be protected during construction
  31. 31. Bill Crothers Secondary School, Markham 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 requirementsZAS / HOK ArchitectsSchaefers Associates 31Schollen & Company Inc.
  32. 32. Bill Crothers Secondary School, MarkhamConcept Plan Site Area = approx.12.25 ha
  33. 33. Bill Crothers Secondary School, MarkhamStormwater Management Strategy
  34. 34. Bill Crothers Secondary School, MarkhamStormwater Management Plan STORMWATER WETLAND WETLAND GROUNDWATER RECHARGE ATTENUATION HABITAT ENHANCEMENT STORMWATER MANAGEMENT PONDS QUALITY AND EROSION CONTROL FIELD 1 FIELD 2 UNDERGROUND STORAGE RAINWATER RECYCLING SYSTEM FIELD 2 BIOFILTERS QUALITY AND ROOF AREA FLOWS QUANTITY DIRECTLY TO RAINWATER TREATMENT STORAGE FACILITY FOR PARKING LOT AREAS FLOW SPLITTER VEGETATED SWALE CONVEYANCE AND TREATMENT FOR ENTRY ROAD BIOFILTERS EXTERNAL DRAINAGE SCHOOL QUALITY AND QUANTITY BUILDING TREATMENT FOR ROADS 2 HA FUTURE URBAN FUTURE HARD AND FORECOURT DEVELOPMENT SURFACE COURTS
  35. 35. Bill Crothers Secondary School, MarkhamSelected Site Photos Storage Pipe Construction Biofilter Parking Lot with Biofilter Artificial Turf Sports Field and Running Track with Rainwater Harvesting System Beneath
  36. 36. Bill Crothers Secondary School, Markham Challenges / Lessons Learned: – Contractor education is key – Protection of installations during construction is essential – Maintenance – inadequate maintenance can impact function – Municipal standards stifle innovation
  37. 37. Edwards Gardens Parking Lot, Toronto Dundas Street Commercial Site, Mississauga 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 processFieldgate Commercial / Smart CentresCounterpoint EngineeringSchollen & Company Inc. 37Terraplan Landscape Architects
  38. 38. Dundas Street Commercial Site, MississaugaConcept Plan
  39. 39. Dundas Street Commercial Site, MississaugaStormwater Management Plan 1 4 3 1 4 1 Biofilters 5 2 Attenuation Pond 1 3 Stormwater Fountain 4 Interpretive Pavilions Subsurface Flow 5 Vegetated Swale Surface Flow 2 Infiltration Tank / Rainwater Harvesting Permeable Pavement
  40. 40. Dundas Street Commercial Site, MississaugaThe Avenue – Integrated SWM / Streetscape Design
  41. 41. Dundas Street Commercial Site, MississaugaStorm Fountain Feature – Concept
  42. 42. Dundas Street Commercial Site, MississaugaSections
  43. 43. Dundas Street Commercial Site, Mississauga 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
  44. 44. Residential Low Density Community Component depth cisterns pavement Rainwater driveways harvesting Permeable yard swales L.I.D. Rain gardens Potential Enhanced rear Techniques Increased topsoil2012 Green Building Festival PublicX X X X X PrivateX X X Provision for 15% failure rate X Integration with sump pump system X Enactment of driveway by-law Enactment of tree by-law Private operation public regulation of outlet Low Impact Development (L.I.D.) Case Studies Ownership/Operation Scenario Public ownership operation X X X No maintenance required X Periodic maintenance (5-10 years)X Litter removalX Landscape maintenance Annual inspection Catchbasin clean-out Winterizing Maintenance Requirements Clearing of roof drain 44 Infrequent sediment removal (10 years +)
  45. 45. Density Medium Residential Community Component depth cisterns Biofilters pavement Rainwater driveways harvesting Permeable L.I.D. Potential Techniques Increased topsoil2012 Green Building Festival Public PublicX X X X Private X Provision for 15% failure rate X Integration with sump pump system X Enactment of driveway by-lawX Enactment of tree by-law Private operation public regulation of outlet Low Impact Development (L.I.D.) Case Studies Ownership/Operation Scenario Public ownership operation X No maintenance required X X Periodic maintenance (5-10 years)X Litter removal Landscape maintenanceX Annual inspection Catchbasin clean-out Winterizing Maintenance Requirements Clearing of roof drain 45X Infrequent sediment removal (10 years +)
  46. 46. Live-Work Mixed-Use / Community Component pavement Rainwater Permeable Biofilters in L.I.D. canopy cover parking areas Potential Enhanced tree Techniques Parking lot storage harvesting cisterns2012 Green Building Festival Public Public Private X X X X X X Provision for 15% failure rate Integration with sump pump system X X Enactment of driveway by-law X X Enactment of tree by-law Private operation public regulation of outlet Low Impact Development (L.I.D.) Case Studies Ownership/Operation Scenario Public ownership operation X No maintenance required X X Periodic maintenance (5-10 years) X Litter removal Landscape maintenance X Annual inspection X Catchbasin clean-out Winterizing Maintenance Requirements Clearing of roof drain46 X Infrequent sediment removal (10 years +)
  47. 47. Employment Community Component pavement Rainwater Permeable Stormwater Biofilters in L.I.D. parking areas Potential Techniques Roof top storage Parking lot storage harvesting cisterns fountains / features2012 Green Building Festival Public Public X X X X XX Private X Provision for 15% failure rate Integration with sump pump system X Enactment of driveway by-law X X XX Enactment of tree by-law Private operation public regulation of outlet Low Impact Development (L.I.D.) Case Studies Ownership/Operation Scenario Public ownership operation No maintenance required X X Periodic maintenance (5-10 years) X X Litter removal X X Landscape maintenance X X Annual inspection X Catchbasin clean-out X Winterizing Maintenance RequirementsX Clearing of roof drain 47 X X Infrequent sediment removal (10 years +)
  48. 48. Parks / Open Space Community Component storage biofilters L.I.D. Sub-surface Integration of Integration of canopy cover Potential Enhanced tree Techniques surface storage to serve streets / development areas Infiltration galleries2012 Green Building Festival Public X X X X X Public Private Provision for 15% failure rate Integration with sump pump system Enactment of driveway by-law Enactment of tree by-law Private operation public regulation of outlet X X X X X Low Impact Development (L.I.D.) Case Studies Ownership/Operation Scenario X Public ownership operation No maintenance required Periodic maintenance (5-10 years) Litter removal Landscape maintenance X X X Annual inspection Catchbasin clean-out Winterizing Maintenance Requirements Clearing of roof drain 48 X X X X Infrequent sediment removal (10 years +)
  49. 49. Way Rights of Community Component bys Enhanced permeable incorporate L.I.D. boulevards / greenways to Integration of canopy cover Potential Enhanced tree Techniques retention storage pavement into lay- biofilters, swales or2012 Green Building Festival Public X X X Public Private Provision for 15% failure rate Integration with sump pump system Enactment of driveway by-law Enactment of tree by-law Private operation public regulation of outlet X X X Low Impact Development (L.I.D.) Case Studies Ownership/Operation Scenario Public ownership operation X No maintenance required Periodic maintenance (5-10 years) X Litter removal Landscape maintenance X Annual inspection Catchbasin clean-out Winterizing Maintenance Requirements Clearing of roof drain 49 Infrequent sediment removal (10 years +)
  50. 50. Low Impact Development (L.I.D.) Case StudiesSUMMARYKey issues with implications on theapplication of Green Infrastructure:– Site conditions– Integration with municipal standards– Contractor education– Maintenance and operation– Need for monitoring2012 Green Building Festival 50
  51. 51. Low Impact Development (L.I.D.) Case StudiesSUMMARYGreen Infrastructure Design Essentials:– Integrated design process– Multi-disciplinary team– Iterative / inclusive methodology– Creativity / innovation– Perseverance2012 Green Building Festival 51
  52. 52. 2012 Green Building Festival EVERGREEN BRICK WORKSLOW IMPACT DEVELOPMENT (L.I.D.) CASE STUDIES OCTOBER 11, 2012 RICHMOND HILL • ONTARIO • CANADA:Mark Schollen 30 Wertheim Court, Unit 15Principal Richmond Hill, Ontario L4B 1B9 Tel: 289-695-0009Schollen & Company Inc. Fax: 289-695-0010 Email: marks@schollenandcompany.comLandscape Architecture SHANGHAI • CHINA:Urban Design Floor 17, The Regent Asia Business CentreEnvironmental Restoration No. 19 Wuning Road, Shanghai, 200042L.I.D. Design Tel: 021-6231-0753 52

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