Sustainable Principles for Land Development

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Sustainable Principles for Land Development is a discussion of an array of approaches available to incorporate sustainability in site related issues. An ecological perspective approach that encompasses the impact of our current practices on air, water, and soil quality.

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Sustainable Principles for Land Development

  1. 1. Sustainable Principles for Land Development Sustainable design isn’t about doing something neat, it’s about doing something right.
  2. 2. Today, we will discuss • Green Goals • Ecosystems & Ecosystem Services and Products • Air Quality • Soil Quality • Water Quality • And a smattering of best management practices
  3. 3. Sustainable Development A Definition Licensed by the Creative Commons Attribution ShareAlike 2.0
  4. 4. Green Goals Environmental Water Water Quantity Quality Greenhouse Air Gas Quality Energy Emissions Natural Biodiversity Resources
  5. 5. Green Goals Social Equity Community Health Cultural
  6. 6. Green Goals Economic Cost Savings Cost Neutral Cost Additive
  7. 7. Best Management Practices (aka BMPs) Two Types N
  8. 8. Best Management Practices (aka BMPs) Over 200 BMPs for Land Development • Social Goals • Erosion Prevention-Source • Stormwater Quantity & Control Quality/Non-Infiltration • Non-Stormwater Requirements • Stormwater Quality/Non- for the 1200C Permit Infiltration • Erosion Prevention & Sediment • Stormwater Quantity & Control - Runoff Control Quality/Infiltration • Erosion Prevention • Conveying Stormwater • Sediment Control • Restoration • Materials • Transportation • Siting Considerations • Landscapes • Construction Management • Water Use • Operations & Maintenance • Source Control • Urban Food
  9. 9. Generic BMP Example
  10. 10. Drink Local Organic Beer
  11. 11. Steps to a Sustainable Development Operations & Maintenance Construction Design Master Planning
  12. 12. Non-structural BMPs Integrated Design Teams
  13. 13. Parts of an Ecosystem Copied from http://www.fws.gov/invasives/volunteersTrainingModule/invasives/plants.html
  14. 14. Ecosystem Products & Services
  15. 15. Air
  16. 16. Non-structural BMPs Shade south facing walls
  17. 17. Non-structural BMPs Shade air conditioners
  18. 18. Non-structural BMPs Choose Good Materials Courtesy of Willamette Graystone
  19. 19. Non-structural BMPs Salvage Materials
  20. 20. Non-structural BMPs Recycle Construction Materials
  21. 21. Non-structural BMPs Reduce lawns
  22. 22. Structural BMPs Native Plants
  23. 23. Structural BMPs Native Plants
  24. 24. Soil Image taken from the NRCSUrban Soils Primer
  25. 25. Soil Image from Soil Quality Information Sheet, U.S. Department of Agriculture
  26. 26. Non-structural BMPs Limit Compaction
  27. 27. Non-structural BMPs Restore Soil from Soils for Salmon website From EPA Acid Rain Student Site
  28. 28. The Hydrologic Cycle A Definition The continuous movement of water through everything.
  29. 29. The Water Balance Model Water Quantity Before 37” rainfall yearly avg transpiration 14” evapo- 13.5” groundwater (infiltration) 0.1” runoff 9.5” interflow (infiltration)
  30. 30. 37” rainfall Reduced yearly avg reduced evapo- infiltration transpiration 35” runoff 2” evapo- transpiration (infiltration) 0” baseflow The Water Balance Model Water Quantity After
  31. 31. Impervious Surfaces A Watershed Perspective
  32. 32. The Water Balance Model Water Quality Before Some sediment
  33. 33. The Water Balance Model Water Quality After Sediment (air particulates) Feces Other debris Sediment/turbidity Hydrocarbons Heavy metals Other chemicals Sediment/turbidity fertilizers pesticides herbicides
  34. 34. Non-structural BMPs Save a Tree Courtesy of Fortis Construction
  35. 35. Non-structural BMPs Reduce impervious surfaces
  36. 36. Non-structural BMPs Limit Disturbance
  37. 37. Non-structural BMPs Conservation Development Oleson Woods Apartments in Tigard, OR “The Primrose” in Texas Hill Country
  38. 38. Structural BMPs Overland Flow/Daylighting
  39. 39. Impervious Surfaces A Watershed Perspective
  40. 40. Structural BMPs Infiltration and Water Quality SW Wet- Pollutant Infiltration land Wet Pond Filtering WQ Swale Dry Pond Total Phosphorus 70 49 51 59 34 19 Soluble Phosphorus 85 35 66 3 38 -6 Total Nitrogen 51 30 33 38 84 25 Nitrate 82 67 43 -14 31 4 Copper N/A 40 57 49 51 26 Zinc 99 44 66 88 71 26 Total Suspended 95 76 80 86 81 47 Solids Water quality benefits of infiltration techniques from the “National Pollutant Removal Performance Database for Stormwater Treatment Practices” Center for Watershed Protection, June 2000
  41. 41. Structural BMPs Pervious surfaces, types Courtesy of MGH Associates Courtesy of Fortis Construction
  42. 42. Structural BMPs Pervious surfaces, myth or reality? • Look ma! No runoff!
  43. 43. Structural BMPs Pervious surfaces, benefits Courtesy of Cahill Associates 3” POROUS ASPHALT IN 1- 2” LIFT 3/ ”–5/ ” WASHED CRUSHED AGGREGATE 9” 8 8 NON-WOVEN PROPYLENE GEOTEXTILE UNCOMPACTED SUBGRADE
  44. 44. Green Girl Motto “Sustainable design isn’t about doing something neat, it’s about doing something right.”
  45. 45. Structural BMPs Veg infil facilities
  46. 46. Structural BMPs Underground infiltration facilities
  47. 47. Non-structural BMPs Source Control RELATIONSHIP OF FISH ACTIVITY TO TURBIDITY TURBIDITY (LOG 10) TIME (LOG 10)
  48. 48. Structural BMPs Source Control in Construction Photo excerpted from “BMPs for Stormwater Discharges Associated with Construction Activities”, DEQ, Feb 2006
  49. 49. Structural BMPs Source Control in Construction Photos and study and text excerpted from “BMPs for Stormwater Discharges Associated with Construction Activities”, DEQ, Feb 2006
  50. 50. Non-structural BMPs Source Control Post Construction
  51. 51. Non-Structural BMPs Have fun
  52. 52. Incentives & Certifications • Portland’s Clean River Rewards • Salmon Safe • BETC • Cascadia GBC Living Building Challenge • Earth Advantage Sustainable Communities • USGBC LEED • HBA Build-It Green • ASLA Sustainable Sites (future)
  53. 53. Thank You! Sustainable design isn’t about doing something neat, it’s about doing something right.

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