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Lecture 4 Buildings Management for the 21st Century

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Lecture 4 Buildings Management for the 21st Century

  1. 1. I . Scientific and Systematic Management of IAQ - for Building Service Professional II . The Importance of A Standard for IAQ III. Living in Harmony with Nature IV . Building Management of the 21 st Century IAQ Lecture Series Speaker: Kee-Neng Wai, Ph.D Date: Jan 15, 2010 Venue: Taikoo
  2. 2. The 21 st Century IAQ Management - Knowledge Based Management - Database Management - Problem Solving IAQ Objectives
  3. 3. <ul><ul><li>Buckminster Fuller </li></ul></ul><ul><ul><li>(1895 – 1983) </li></ul></ul><ul><ul><li>Environmental Sustainability </li></ul></ul>Frank Lloyd Wright (1867 – 1959) Organic Architecture <ul><li>Bauhaus Architecture </li></ul><ul><li>(Early 20th Century) </li></ul><ul><ul><li>Technology, Craftsmanship and Cubicism in design </li></ul></ul>
  4. 4. Frank Lloyd Wright Organic Achitecture Fallingwater (1937) Solomon R. Guggenheim Museum (1959) Johnson Wax Research Tower (1951) Kentuck Knob (1956)
  5. 5. Bauhaus School Technology, Craftsmanship and Cubicism in design Bauhaus building in Chemnitz Bauhaus house on Bilu Street Bauhaus building on 9 Gordon Street Dizengoff Square
  6. 6. Bauhaus School Technology, Craftsmanship and Cubicism in design 17 Emil Zola Street Wan Chai Market Tel Aviv building (1936) Central Market
  7. 7. Buckminster Fuller Environmental Sustainability The Montreal Biosphère (1967) Geodesic dome Dymaxion House (1944) Geodesic domes at the Eden Project (2000)
  8. 9. Perspiring, headache, restlessness and increase of heart rate Atmospheric CO 2 Level at Sea Front Sick Building Syndrome due to poor ventilation and increase of heart rate Good IAQ Excellent IAQ Yawning Threshold Dozing Threshold Long Term Effects: Building Ordinance Section 123 standard 1900 1960 2000 2010 2020 2030 260 300 360 400 450 500 ↑ 800 1000 1500 2000 2500 and above Hypertension, pains and aches Stomach acid/ulcer ……………………………………… .. ……………………………………… .. ……………………………………… .. Year CO 2 level 5 air-exchange per hour
  9. 10. Common Sick Building Syndrome
  10. 12. Outdoor Air Quality Trend of Hong Kong Excellent IAQ Good IAQ Excellent IAQ Excellent IAQ Excellent IAQ Good IAQ Good IAQ
  11. 13. My Recommendation 22.5 ± 2.5°C 55 ± 10% < 1,200 ppm < 80 ppb + caution notes My Recommendation < 0.3 m/s (for comfort) < 250 ppb (Guideline) < 500 ppb (1 Week) < 1000 ppb (1 Day) < 200 Bq/m 3 (Avoid using radioactive material) Delete HK Government “Indoor Air Quality Guidance Notes” Parameter Excellent Good Temperature 20 to 25.5°C < 25.5°C Relative Humidity 40 to 70 % < 70% Carbon Dioxide < 800 ppm < 1,000ppm Formaldehyde < 24 ppb < 81 ppb HK Government “Indoor Air Quality Guidance Notes” Parameter Excellent Good Air Movement < 0.2 m/s < 0.3 m/s TVOC < 87 ppb < 261 ppb Radon < 150 Bq/m 3 < 200 Bq/m 3 Airborne Bacteria < 500 cfu/m 3 < 1000 cfu/m 3
  12. 14. Q: How to deal with RSP and airborne bacteria problem and be in harmony with nature? <ul><li>Capturing all sub-micron particles </li></ul><ul><li>Capturing all air-borne micro-organisms </li></ul><ul><li>Removal of Odour, e.g. tobacco smoke </li></ul><ul><li>Compact & light weight design </li></ul><ul><li>Energy saving & money saving </li></ul>A: Electronic Air Filter
  13. 16. (6P, 4Day) IAQ Profile – SP1
  14. 17. (CO2, 4Day) Profile
  15. 18. (Temp, 4Day) Profile
  16. 19. (RH, 4Day) Profile
  17. 20. (HCHO, 4Day) Profile
  18. 21. (TVOC, 4Day) Profile
  19. 22. Fire Alarm Zone (NO2, 4Day) Profile
  20. 23. Fire Alarm Zone (CO, 4Day) Profile
  21. 24. <ul><li>Power and Energy saving </li></ul><ul><li>Trouble shooting </li></ul><ul><li>Remedial Action </li></ul><ul><li>Legislations </li></ul><ul><li>Data Archive </li></ul><ul><li>Certification </li></ul>
  22. 25. <ul><li>10 commandments of IAQ </li></ul><ul><ul><ul><li>Visual presentation </li></ul></ul></ul><ul><ul><ul><li>Time as a dimension </li></ul></ul></ul><ul><ul><ul><li>State-of-the-art technology </li></ul></ul></ul><ul><ul><ul><li>Automatic air monitoring </li></ul></ul></ul><ul><ul><ul><li>Data logging </li></ul></ul></ul><ul><ul><ul><li>Computerization </li></ul></ul></ul><ul><ul><ul><li>Information technology </li></ul></ul></ul><ul><ul><ul><li>Quantitative </li></ul></ul></ul><ul><ul><ul><li>Accurate, precise </li></ul></ul></ul><ul><ul><ul><li>Labour saving & cost effective </li></ul></ul></ul>

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