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Indoor Environmental
Quality (IEQ)
“Green is a process, not a status. We need to think of
'green' as a verb, not an adjective.”
~ Daniel Goleman
By- IQBAL AZAM
GURLEEN MALHOTRA
G SASI KALYAN
Content:
 Tobacco Smoke Control
 How can we improve air qualiy
 Day lighting
 Fresh Air Ventilation
 Exhaust Systems
 Low VOC Materials, Paints & Adhesives
 Building Flush-out
According to WHO ,
30% of all cancer deaths
20% of all coronary heart diseases
80% of all chronic obstructive pulmonary disease
Are caused by cigarette smoking and tobacco.
When you smoke a cigarette
most of the smoke doesn't go into your lungs,
it goes into the air around you,
where anyone nearby can breathe it in.
When friends and family breathe in your secondhand
smoke –
what we call passive smoking –
it isn't just unpleasant for them, it can damage their health
too.
Environmental Tobacco Smoke Control
Odors and toxins from
cigarettes can be found for
months after smokers move out
of a residence. Surprisingly,
plants may be your best option
for cleaning that unhealthy air.
HOW CAN WE IMPROVE THE AIR
QUALITY AT PERSONAL LEVEL?
MINIMIZE CLUTTER
VACUUM CLEANING
REMOVE CARPETING AVOIDING AIR
FRESHENER
PROVIDING SMOKING
AREA
DAY LIGHT
Natural daylight.
An effective day lighting strategy.
Optimization of spaces.
 Use glass walls and light-colored surfaces on walls
 Window area to (window) wall area ratio-IS related to limiting glazing area for
thermal reasons, ie. heat loss and gain control, or for ensuring the adequate
provision of view.
NATURAL LIGHTING BENEFITS
•Reduced energy consumption.
•Reduction of mildew or mold built-up.
•Healthy does of vitamin D.
•Improved performance due to change in working environment.
•Increased visual appeal in interiors.
The process of "changing" or replacing air in any space to provide high indoor air quality
.
WHY IT IS NEEDED?
• CONTROLS IMPURITIES
• AIR CIRCULATION
• STOPS CONDENSATION
• REDUCES TEMPERATURE
• HEALTH BENEFITS
Natural ventilation
THROUGH
window
Door
Solar chimney
Courtyard effect etc etc.
Mechanical ventilation
THROUGH
Fan
Cooler
Ac etc.
TYPES
Fresh Air Ventilation
Design Criteria for Openable Windows and Doors to the Exteriors
Percentage of Openable area to Carpet area
Space Type
 Living Spaces - 13%
 Kitchen - 10%
 Bathrooms* - 5%
 For air-conditioned spaces, to meet 6.5 cfm per person.
Natural Ventilation Mechanical Ventilation
Cross Ventilation
 Ensure that kitchens and bathrooms are adequately ventilated, so as to improve
the quality of indoor environment.
 Minimum Intermittent Exhaust Flow Requirements
 Location Floor Area Minimum Airflow
 Kitchen ≤ 9.30 sq.m (100 sq.ft) 100 cfm
 Bathroom ≤ 4.64 sq.m (50 sq.ft) 50 cfm
Exhaust Systems
Low VOC Materials, Paints & Adhesives
Why VOC ?
• To reduce adverse health impacts on building residents.
• To reduce chemical emissions from VOC's
• Improve air quality
• To nuisance odour complaints – eye and respiratory irritations, headache, and
other symptoms of "Sick Building" syndrome.
Building Flush-out
• Avoid resident’s exposure to indoor airborne contaminants before occupying
the premises, so as to reduce the adverse health impacts on building
residents.
Compliance Options:
• Perform a building flush-out for ten days by keeping all windows open
before the building is occupied. Flushing is to be carried after paints &
coatings and adhesives & sealants have been applied. (OR)
• If the building prefers to carry out the flush-out using forced ventilation
systems, the flush-out can be carried out for five days.
Thank You

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Indoor Environmental Quality (IEQ)

  • 1. Indoor Environmental Quality (IEQ) “Green is a process, not a status. We need to think of 'green' as a verb, not an adjective.” ~ Daniel Goleman By- IQBAL AZAM GURLEEN MALHOTRA G SASI KALYAN
  • 2. Content:  Tobacco Smoke Control  How can we improve air qualiy  Day lighting  Fresh Air Ventilation  Exhaust Systems  Low VOC Materials, Paints & Adhesives  Building Flush-out
  • 3. According to WHO , 30% of all cancer deaths 20% of all coronary heart diseases 80% of all chronic obstructive pulmonary disease Are caused by cigarette smoking and tobacco. When you smoke a cigarette most of the smoke doesn't go into your lungs, it goes into the air around you, where anyone nearby can breathe it in. When friends and family breathe in your secondhand smoke – what we call passive smoking – it isn't just unpleasant for them, it can damage their health too. Environmental Tobacco Smoke Control
  • 4. Odors and toxins from cigarettes can be found for months after smokers move out of a residence. Surprisingly, plants may be your best option for cleaning that unhealthy air.
  • 5.
  • 6. HOW CAN WE IMPROVE THE AIR QUALITY AT PERSONAL LEVEL? MINIMIZE CLUTTER VACUUM CLEANING
  • 7. REMOVE CARPETING AVOIDING AIR FRESHENER PROVIDING SMOKING AREA
  • 8. DAY LIGHT Natural daylight. An effective day lighting strategy. Optimization of spaces.  Use glass walls and light-colored surfaces on walls  Window area to (window) wall area ratio-IS related to limiting glazing area for thermal reasons, ie. heat loss and gain control, or for ensuring the adequate provision of view.
  • 9. NATURAL LIGHTING BENEFITS •Reduced energy consumption. •Reduction of mildew or mold built-up. •Healthy does of vitamin D. •Improved performance due to change in working environment. •Increased visual appeal in interiors.
  • 10.
  • 11. The process of "changing" or replacing air in any space to provide high indoor air quality . WHY IT IS NEEDED? • CONTROLS IMPURITIES • AIR CIRCULATION • STOPS CONDENSATION • REDUCES TEMPERATURE • HEALTH BENEFITS Natural ventilation THROUGH window Door Solar chimney Courtyard effect etc etc. Mechanical ventilation THROUGH Fan Cooler Ac etc. TYPES Fresh Air Ventilation
  • 12. Design Criteria for Openable Windows and Doors to the Exteriors Percentage of Openable area to Carpet area Space Type  Living Spaces - 13%  Kitchen - 10%  Bathrooms* - 5%  For air-conditioned spaces, to meet 6.5 cfm per person. Natural Ventilation Mechanical Ventilation
  • 14.  Ensure that kitchens and bathrooms are adequately ventilated, so as to improve the quality of indoor environment.  Minimum Intermittent Exhaust Flow Requirements  Location Floor Area Minimum Airflow  Kitchen ≤ 9.30 sq.m (100 sq.ft) 100 cfm  Bathroom ≤ 4.64 sq.m (50 sq.ft) 50 cfm Exhaust Systems
  • 15. Low VOC Materials, Paints & Adhesives Why VOC ? • To reduce adverse health impacts on building residents. • To reduce chemical emissions from VOC's • Improve air quality • To nuisance odour complaints – eye and respiratory irritations, headache, and other symptoms of "Sick Building" syndrome.
  • 16. Building Flush-out • Avoid resident’s exposure to indoor airborne contaminants before occupying the premises, so as to reduce the adverse health impacts on building residents. Compliance Options: • Perform a building flush-out for ten days by keeping all windows open before the building is occupied. Flushing is to be carried after paints & coatings and adhesives & sealants have been applied. (OR) • If the building prefers to carry out the flush-out using forced ventilation systems, the flush-out can be carried out for five days.
  • 17.