LEED Chapter 7

What refers to the quality of air and environment inside buildings, based on pollutant concentrations and conditions that can affect health, comfort, and performance of occupants?
Indoor Environmental Quality (IEQ)
What variables can affect the indoor environment? (6)
5)Air Quality
6)Control Systems
What are the benefits of IEQ? (7)
1)Reduced liability
2)Reduce employee absenteeism
3)Reduce employee turnover
4)Reduced occupant complaints
5)Reduced vacancy costs
6)Increased tenant satisfaction and retention
7)Increased marketability of property
Regular Building Occupant is defined as?
A person who works 10 or more hours per week in building
What is the greatest cost to a building owner?
What Syndrome describes those situations in which building occupants experience acute health and comfort effects linked to time present in a building, but where no specific illness or cause can be identified?
Sick Building Syndrome (SBS)
What illness is used when symptoms of diagnosable illnesses are identified and can be attributed directly to airborne building contaminants?
Building Related Illness (BRI)
In LEED, what 2 strategies can improve IAQ?
1)Avoid the use of materials high in pollutants and Volatile Organic Compounds (VOCs)
2)Improve ventilation
The most effective way to remove air contaminants is to?
Is to not to allow them indoors at all.
What does SMACNA stand for?
Sheet Metal and Air Conditioning National Contractors Association
SMACNA has a set of guidelines for what?
A set of IAQ guidelines that are used to help manage air quality issues resulting from construction and renovation.
SMACNA has a set of guidelines for what?
A set of IAQ guidelines that are used to help manage air quality issues resulting from construction and renovation.
What is ETS?
Environmental Tobacco Smoke
The best strategy for ETS is?
Is to prohibit smoke in or within 25-feet of the building.
Where should CO2 monitors be placed?
3to 6 feet high
Define “In the Building”
Define as starting with the vapor barrier, so exterior paint would not be considered in any calculations
What is the Reference Standard for:
Adhesive, sealants, primers, wood finishings, floor coatings?
South Coast Air Quality Management District (SCAQMD)
What is the Reference Standard for:
Aerosol adhesives, Architectural paints and coatings, Interior anti-corrosive and anti-rust paint
Green Seal
What is the Reference Standard for:
Green Label Plus
(Carpet and Rug Institute)
What is the Reference Standard for:
Carpet Cushions
Green Label
(Carpet and Rug Institute)
What is the Reference Standard for:
Vinyl, linoleum, laminate, wood, ceramic, rubber flooring
What is the Reference Standard for:
Furniture and seating
What is radon?
Is a cancer causing natural radioactive gas that you CAN’T see, smell, or taste.
What is the leading cause of lung cancer among nonsmokers, and 2nd leading cause of lung cancer in America
How does Radon get into the house/building?
2)Construction joints
3)Gaps in suspended floors
4)Gaps around service pipes
5)Water supply
What reference defines Green Cleaning?
Presidential Executive Order 13101
What are the prime point for contaminants entering a building
What is mixed mode ventilation?
Uses both natural and mechanical ventilation
Air filters are rated on what system?
MERV System
What is the MERV System
Minimum Efficiency Reporting Value – rates the quality of air filters
What is Daylighting?
The practice of placing windows and other transparent media so that, during the day, natural light provides effective internal illumination
What are Daylighting benefits? (2)
1 Significant energy savings
2)As a Primary source of light can improve positive mental and physical effects
What are the Daylighing issues?
1)Can cause glare – which can be uncomfortable
2)Heat loads can increase
The benefits from Daylighting are maximized when?
When both occupancy and lighting sensors are used to control the electric lighting system.
What are horizontal windows or domes at the roof of the building?
What are horizontal light-reflecting overhang placed above eye level with a transom window placed above it?
Light Shelves
Light shelves are most effective when placed in which orientation?
What is place in the roof and admitdlight to a focused are of the interior?
Sun tubes
ASHRAE 62.1-2007 set minimum standards for?
For ventilation rates and IAQ levels
In regards to air ventilation, every LEED certified building must comply with with what?
ASHRAE 62.1-2007
Thermal comfort is describe in what document?
ASHRAE 55-2004
Comfort is characterized as? (7)
3)Air speed
4)Outdoor temperature design conditions
5)Outdoor humidity design conditions
7)Expected activity
What are the main types of occupant control?
Temperature Control
Lighting Control
know that is ONLY for LEED for Schools