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Lecture 4 Buildings Management for the 21st Century
- 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. The 21 st Century IAQ Management - Knowledge Based Management - Database Management - Problem Solving IAQ Objectives
- 4. Frank Lloyd Wright Organic Achitecture Fallingwater (1937) Solomon R. Guggenheim Museum (1959) Johnson Wax Research Tower (1951) Kentuck Knob (1956)
- 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. Bauhaus School Technology, Craftsmanship and Cubicism in design 17 Emil Zola Street Wan Chai Market Tel Aviv building (1936) Central Market
- 7. Buckminster Fuller Environmental Sustainability The Montreal Biosphère (1967) Geodesic dome Dymaxion House (1944) Geodesic domes at the Eden Project (2000)
- 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
- 10. Common Sick Building Syndrome
- 12. Outdoor Air Quality Trend of Hong Kong Excellent IAQ Good IAQ Excellent IAQ Excellent IAQ Excellent IAQ Good IAQ Good IAQ
- 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
- 16. (6P, 4Day) IAQ Profile – SP1
- 22. Fire Alarm Zone (NO2, 4Day) Profile
- 23. Fire Alarm Zone (CO, 4Day) Profile