Beyond LID: Designing Stormwater Management for Context
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Conventional stormwater management and low impact development (LID) are discussed. LID aims to reduce impervious surfaces and manage stormwater close to its source. The document advocates an approach called "stormwater urbanism", which recognizes that not all impervious surfaces have equal impacts and that stormwater systems should be designed within the existing land context to provide simple, long-term solutions. Case studies of form-based codes that incorporate these principles are presented.
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Beyond LID: Designing Stormwater Management for Context
- 1. morrisbeacon.comimplementing community vision Stormwater Urbanism: Going Beyond LID March 18, 2011 Jonathan Ford, PE Morris Beacon Design, LLC Providence, RI
- 2. Conventional Stormwater Management (peak rate mitigation banished to the backyard!)
- 4. Prevent impact to natural drainage systems
- 5. Manage water as close to the source as possible
- 6. Preserve natural areas, native vegetation, reduce impact on watershed
- 7. Protect natural drainage pathways
- 8. Utilize less complex, non-structural BMPs
- 9. Create a multi-functional landscape- RI Design and Installation Standards Manual, 2010
- 14. LID!! NH Stormwater Manual: Volume 1
- 15. LID!! Rhode Island Stormwater Design and Installation Standards Manual, 2010
- 16. LID!! VT Department of Environmental Conservation, LID webpage
- 17. LID!! VT Department of Environmental Conservation, LID webpage
- 18. LID!!
- 19. LID!! Claytor, from Rhode Island Stormwater Design and Installation Standards Manual, 2010
- 21. LID!!
- 22. LID!!
- 23. LID!! LEED!
- 30. Stormwater Urbanism Not all impervious area is created equal Plan with the land Approximate nature Design to context Leave a simple solution behind see: www.morrisbeacon.com/blog
- 31. Stormwater management: intro Falkenmark, Malin and Rockstrom, Johan. Balancing Water for Humans and Nature, p. 31-32. Earthscan, 2004.
- 34. Comparative infrastructure cost studies Material adapted from “Comparative Infrastructure & Material Analysis” under UPA Contract EP-W-05-25 and appears in the working publication “Smart Growth: The Business Opportunity for Developers and Production Builders” under the same contract. Original scenarios by Dover Kohl & Partners.
- 35. Belle Hall: Infrastructure Cost per Residential Unit Material adapted from “Comparative Infrastructure & Material Analysis” under UPA Contract EP-W-05-25 and appears in the working publication “Smart Growth: The Business Opportunity for Developers and Production Builders” under the same contract. Original scenarios by Dover Kohl & Partners.
- 36. Beyond LID: not all impervious area is created equal
- 37. Beyond LID: not all impervious area is created equal
- 38. Case study: Form-based code Project led by 180 Degrees Design Studio with Morris Beacon Design, Gould Evans, Fuss & O’Neill, Sustainable Settlements, LSL Planning, & Civitech.
- 39. Case study: Form-based code Project led by 180 Degrees Design Studio with Morris Beacon Design, Gould Evans, Fuss & O’Neill, Sustainable Settlements, LSL Planning, & Civitech.
- 40. Case study: Form-based code Project led by 180 Degrees Design Studio with Morris Beacon Design, Gould Evans, Fuss & O’Neill, Sustainable Settlements, LSL Planning, & Civitech.
- 41. Case study: Form-based code Project led by 180 Degrees Design Studio with Morris Beacon Design, Gould Evans, Fuss & O’Neill, Sustainable Settlements, LSL Planning, & Civitech.
- 42. Case study: Form-based code Project led by 180 Degrees Design Studio with Morris Beacon Design, Gould Evans, Fuss & O’Neill, Sustainable Settlements, LSL Planning, & Civitech.
- 43. New England context? Not all impervious area is created equal Plan with the land Approximate nature Design to context Leave a simple solution behind see: www.morrisbeacon.com/blog
- 44. Project led by 180 Degrees Design Studio with Morris Beacon Design, Gould Evans, Fuss & O’Neill, Sustainable Settlements, LSL Planning, & Civitech.
- 45. Project led by 180 Degrees Design Studio with Morris Beacon Design, Gould Evans, Fuss & O’Neill, Sustainable Settlements, LSL Planning, & Civitech.
- 46. Case study: Form-based code Project led by 180 Degrees Design Studio with Morris Beacon Design, Gould Evans, Fuss & O’Neill, Sustainable Settlements, LSL Planning, & Civitech.
- 47. Design to context Project led by 180 Degrees Design Studio with Morris Beacon Design, Gould Evans, Fuss & O’Neill, Sustainable Settlements, LSL Planning, & Civitech.
- 48. Design to context Project led by 180 Degrees Design Studio with Morris Beacon Design, Gould Evans, Fuss & O’Neill, Sustainable Settlements, LSL Planning, & Civitech.
- 50. morrisbeacon.comimplementing community vision Jonathan Ford, PE Principal Morris Beacon Design Providence, RI jford@morrisbeacon.com www.morrisbeacon.com twitter: @jonford_MBD
Notes de l'éditeur
- Old way, pipe & pond methodology
- Page 3 – watershed planning underneath
- Wolf in sheep’s clothing
- Page 3 – watershed planning underneath
- Not just residential impacts of disconnected, auto-dependent land use patterns
- Greenwal-mart, mckinneytx
- Greenwal-mart, mckinneytx
- How create well loved areas that for so many reasons SG/NU principles advocateAND support watershed health
- Runoff – Rate AND VolumeDoes not account for neighborhood/WATERSHED approach
- Runoff – Rate AND VolumeWQZero sum game
- Clear difference between TND & CSD
- Growth patterns had more impact than BMPs (RI reductions: TSS=85%, TP=30%, TN=30%)
- Farr sustainable urbanism SmartCode moduleThink about 2 ways – incentivize? Or ENABLE.
- Instead of one-size fits all solutions that mar the landscape – design to context, integrate
- Can view 2 ways: 1. compact development is good for watershed, therefore compactness may trump local-specific preservation2. Work around existing nature at neighborhood level even within compact note
- Calibration for poor soilsShared solutions & stormwater bank language in ordinance
- Same tools, same goals, reinterpret via CODES (impervious-density) and urban context
- QUESTION: how do we implement these ideas in NE? What tools/mechanisms? Site by site & one size fits all vs. watershed/neighborhood/codes? Off site & shared solutions?What are YOU doing as a designer, planner, developer, URBANIST to move past LID and towards integration of NU & watershed health