Lecture 2b Scientific and Systematic Manageme IAQnt of
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Transcript of Lecture 2b Scientific and Systematic Manageme IAQnt of
Clean Energy
Energy Efficient Building
Energy Audit
Energy Conservation
Embracing New
Challenges
Present IAQ Objectives
COM
FORT
FACTORS
1
2
AVOIDABLE
POLLU
TANTS
Parameter Unit8-hour average on 4 samples
Excellent Class Good Class
Room Temperature oC 20 to 25.5 < 25.5
Relative Humidity % 40 to 70 < 70
Air Movement m/s < 0.2 < 0.3
Respirable Suspended Particulates (PM10)
μg/m3 < 20 < 180
Radon (Rn) Bq/m3 < 150 < 200
Airborne Bacteria cfu/m3 < 500 < 1,000
Proposed IAQ Objectives
COM
FORT
FACTORS
1
2
AVOIDABLE
POLLU
TANTS
Parameter Unit1-hour TWA based on
IAQ ProfileExcellent Class Good Class
Room Temperature oC 22 to 25 20 to 25
Relative Humidity % 40 to 65 < 70
Air Movement m/s < 0.2 < 0.3
Respirable Suspended Particulates (PM2.5/PM1)
counts To be decided
Radon (Rn) Bq/m3 < 200
Microbial To be decided
PM size
45th Floor 26th Floor
Without e-filter With e-filterRemark: RSP measurement was taken September 2, 2008.
Transformation Series of the Uranium Family
Microbial Sizes
Present IAQ Objectives
3
GASEOU
S POLLU
TANTS
Parameter Unit8-hour average on 4 samplesExcellent Class Good Class
Carbon Dioxide (CO2) ppmv < 800 < 1,000
Carbon Monoxide (CO)
μg/m3 < 2,000 < 10,000ppmv < 1.7 < 8.7
Nitrogen Dioxide (NO2)
μg/m3 < 40 < 150ppbv < 21 < 80
Ozone (O3)μg/m3 < 50 < 120ppbv < 25 < 61
Formaldehyde (HCHO)μg/m3 < 30 < 100ppbv < 24 < 81
Total Volatile (TVOC) Organic Compounds
μg/m3 < 200 < 600ppbv < 87 < 261
Proposed IAQ Objectives
GASEOU
S POLLU
TANTS
3Parameter Unit
1-hour TWA based onIAQ Profile
Excellent Class Good Class
Carbon Dioxide (CO2) ppm(v/v) < 800 < 1,000
Carbon Monoxide (CO) ppm(v/v) < 2.0 < 10
Nitrogen Dioxide (NO2) ppb(v/v) < 20 < 80
Ozone (O3) ppb(v/v) < 25 < 60
Formaldehyde (HCHO) ppb(v/v) < 30 < 100
Total Volatile (TVOC) Organic Compounds ppb(v/v) < 100 <250&500
A
B
Case study 1: A General Office
Size: 10,000 ft 2
Occupancy: >100
Comparison of two IAQ(5P, 48H) Profiles taken at Sampling Points A & B
CO2
CO2
Comparison of two IAQ(5P, 48H) Profiles taken at Sampling Points A & B
CO
CO
Comparison of two IAQ(5P, 48H) Profiles taken at Sampling Points A & B
4/F
3/F
2/F
Confucius Teaching for Implementation of IAQ Policy
大學之道 - The moral of learning is
在明明德 - in differentiating the rights from the wrongs,
- in making progress
and
- simplification- standardization- implementation- integration- globalization
在止於至善 - in the pursuit of excellence.