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Richard Scarborough Environmental Inspections + Solutions eisinc

SMC National Sustainable Building Advisor Program Designing Innovative Ventilation Systems for Good IAQ. Richard Scarborough Environmental Inspections + Solutions www.eisinc.ca. Natural Ventilation. Back to the Basics Breathe!. What’s Happening? When did it start? How will it end?.

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Richard Scarborough Environmental Inspections + Solutions eisinc

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  1. SMC National Sustainable Building Advisor ProgramDesigning Innovative Ventilation Systems for Good IAQ Richard Scarborough Environmental Inspections + Solutions www.eisinc.ca Sustainable Building Advisor

  2. Sustainable Building Advisor

  3. Sustainable Building Advisor

  4. Sustainable Building Advisor

  5. Sustainable Building Advisor

  6. Sustainable Building Advisor

  7. Sustainable Building Advisor

  8. Sustainable Building Advisor

  9. Natural Ventilation Back to the Basics Breathe! • What’s Happening? • When did it start? • How will it end? Sustainable Building Advisor

  10. Global Warming Per Goat and Mouse Sustainable Building Advisor

  11. Global Warming Conference Sustainable Building Advisor

  12. You Can Build it But Can you Ventilate it? Sustainable Building Advisor

  13. Sustainable Building Advisor

  14. Sustainable Building Advisor

  15. Sustainable Building Advisor

  16. Sustainable Building Advisor

  17. There is no HopeNew Analysis • Pollution May Cause 40 Percent of Global Deaths • By Andrea Thompson, LiveScience Staff Writer • http://www.livescience.com/ • posted: 10 September 2007 09:11 AM ET Sustainable Building Advisor

  18. No Hope for Healthy Construction Sustainable Building Advisor

  19. Where I’ve LivedThe Dutch “Blow Through” Sustainable Building Advisor

  20. Where I’ve Lived Sustainable Building Advisor

  21. Where I Live Now Sustainable Building Advisor

  22. What I BuildWhere it Started Sustainable Building Advisor

  23. Thin Shelled Concrete Structure • Thermal mass inside • Insulation outside • Performance = R60 • 10.0 earthquake proof • Tornado proof / Bullet proof Sustainable Building Advisor

  24. What I Intend to Live In Sustainable Building Advisor

  25. Sustainable Building Advisor

  26. Jean Nouvel Sustainable Building Advisor

  27. Jean Nouvel LA Green Condo Sustainable Building Advisor

  28. New ConstructionEnergy Conservation Sustainable Building Advisor

  29. Back to the Breath What Sucks ? • Wind: • From high to low pressure • You can’t push a rope • Tornados: big time! • Houses: 99% • Humans: 100% Sustainable Building Advisor

  30. 2nd Law of Thermodynamics • Air moves from high to low pressure • The bigger the hole, the more the pressure, • the greater the flow • Moisture moves from: • Warm to Cool • More to Less • More to Less wins over Warm to Cool • Implications for SoCal Sustainable Building Advisor

  31. Stack Effect Sustainable Building Advisor

  32. Chimney Effect Sustainable Building Advisor

  33. Reverse Stack Effect? • When? • Where? • How? • Implications Sustainable Building Advisor

  34. Pressures • 1 Pascal  = 0.004 w.g =0.000295”hg. = 0.000145 psi 9.8692×10−6 atm • 1 Pascal = 1 Post-it = 1 Gnat fart • Combustion Safety • Worst case scenario • The romantic evening • 4 Pascals to backdraft a fireplace or water heater Sustainable Building Advisor

  35. Natural Ventilation • Design Considerations • Site • Building Materials • Prevailing winds • Climate • Day lighting • Operable windows Sustainable Building Advisor

  36. Natural Ventilation • Knowledgeable & Tolerant users • Input source and location • IH and EH • Intake vs. exhausts Sustainable Building Advisor

  37. Natural Ventilation • Wind Effect • Venturi Effect • Cooling Tower Sustainable Building Advisor

  38. Displacement Ventilation • Swamp Cooler Sustainable Building Advisor

  39. Cooling Tower Sustainable Building Advisor

  40. Zion National Park Downdraft cooling tower with evaporative media at top, exhaust through clerestory windows. Ref. WBDG Sustainable Building Advisor

  41. Psychrometric ChartFind the point of condensation Sustainable Building Advisor

  42. Moving Moisture Vapor Diffusion versus Air Leakage Where air goes water follows Sustainable Building Advisor

  43. Foundations / CrawlsWhere it all starts • Codes arbitrary in creation of crawl venting • New Seismic concerns create labyrinths • Passive ventilation can’t work • Mechanic ventilation has inherent problems. • Crawl should be mini conditioned basement Sustainable Building Advisor

  44. FoundationsWhere it all starts Sustainable Building Advisor

  45. Crawls Sustainable Building Advisor

  46. Crawls Sustainable Building Advisor

  47. CrawlsDisconnected Drier Vent Sustainable Building Advisor

  48. CleanSpace – Basement Systems Sustainable Building Advisor

  49. CrawlsWhat We Find • Chlordane, DDT • What it did to me • Construction debris: mold food • Leaky HVAC ducting=pollution distribution system • Self composting homes • Are they green? Sustainable Building Advisor

  50. What’s Wrong with this Picture? Sustainable Building Advisor

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