Indoor Environmental Quality Flashcards
How many total points can be earned max for the Indoor Environmental Quality category?
16
How many prerequisites does the Indoor Environmental Quality category have?
2 -
Minimum indoor air quality performance
Environmental tobacco smoke control
What are the credit categories for Indoor Environmental Quality?
- enhanced indoor air quality strategies
- low emitting materials
- construction indoor air quality management
- indoor air quality assessment
- thermal comfort
- interior lighting
- daylight
- quality views
- acoustical performance
ASHRAE 62.1-2010 deals with what?
Ventilation for acceptable indoor air quality
ASHRAE 52.2-2007 deals with what?
Air filter standards
ASHRAE 55-2010 deals with what?
Thermal comfort conditions for human occupancy
Who sets requirements for the erosion and sedimentation control plan?
EPA, construction general permit (CGP)
What does the sheet metal and air conditioning national contractors association (SNACNA) guidelines describe?
Necessary control measures to be taken during construction to protect indoor air quality
The sources of contaminants should be identified, and necessary measures should be taken to prevent them from reaching the indoors, which is also called what?
Source control
What kind of project should prohibit smoking on the entire campus both indoor & outdoor?
Schools
LEED prohibits smoking indoors & doesn’t allow smoking within ___ feet of the building entrance
25
What are LEED smoking requirements for residential projects?
Partitioning of the rooms
Prohibits smoking in common spaces
Requires a blower door test to make sure air can’t leak from smoking units to others
_____, such as formaldehyde, contained in construction materials can affect the health of both the construction workers & building occupants
Volatile organic compounds (VOCs)
The LEED standard for south coast air quality management district deals with what product types?
Adhesives Sealants Primers Floor coatings Wood finishes
The LEED Green seal standard deals with what product types?
Paints & coatings
Anticorrosive & antirust paints
Aerosol adhesives
The LEED standard for Green Label deals with what product type?
Carpets
The LEED green label plus standard deals with what product type?
Carpet cushion
The LEED standard greenguard deals with what product type?
Furniture and seating
The LEED standard FloorScore deals with what product types?
Vinyl Linoleum Wood Ceramic Laminate Rubber flooring
Naturally occurring materials & products made from inorganic materials such as marble & granite contain __ or __ VOCs & are therefore exempt from LEED requirements. They are called what?
Low or no;
Inherently non-emitting materials
What guidelines describe the necessary control measures to be taken during the construction phase to maintain sufficient indoor air quality?
Sheet metal and air conditioning national contractors association guidelines
To ensure efficient air quality after the completion of construction, what can be conducted?
Air quality test
A process of supplying ample amounts of fresh air to the building before or during occupancy
Flush out
If the climate is appropriate, _____ can be established by the opening of windows and doors
Natural ventilation
Green cleaning program products must meet what standards?
Green seal, environmental choice or epa standards
Installing cleanable entryway __,____ or ___ at every building entrance can keep the dirt, water and contamination from shoes from the building
Grates, grilles or mats
Minimum efficiency reporting value (MERV) rates what?
Air filters according to their success in removing particles from the air
Air filters with ___ MERV values will remove more particles from the air
Higher
What are the factors that will affect the comfort of a building occupant?
Thermal comfort Daylighting Views Acoustics Lighting controls Temperature controls Ergonomics
What all should be considered during building design to maximize daylight without creating any discomfort?
Orientation of the building Configuration Glass types for windows Layout of the rooms Type of furnishings Colors of surfaces
Spaces that are designed to efficiently use daylighting as their primary lighting source
Daylit spaces
A system that collects the sunlight using static and non moving items such as windows, glass doors, some skylights, light tubes & light shelves
Passive daylighting
A system that tracks and collects the sunlight using mechanical devices
Active daylighting
Installing what is essential in reducing lighting costs?
Daylight controls
What is a term used for windows that provide exterior views?
Vision glazing
Chartered institution of building services engineers flow diagram will help you confirm what?
If natural ventilation is a good strategy for the project
An alarm should be activated when the outdoor airflow value varies by __% more from the outdoor airflow setpoint
15%
Smoking is ____ outside the property line in spaces that are used for business purposes
Prohibited
Signage must be posted within ___ ft of all building entrances to indicate the nonsmoking policy
10
Each supply air (outdoor air) filter in the building should have a filter with a MERV rating of___ or higher according to ASHRAE 52.2-2007
13
Occupied spaces system design should comply with what manual?
CIBSE applications manual 13-2000, mixed mode ventilation
In LEED, what is considered the “building interior”
Everything inside of the waterproofing membrane
What is considered the “building exterior”?
Everything outside the waterproofing membrane including the waterproofing membrane
The term “low emitting” always refers to what in LEED?
VOC content
If the project meets the VOC requirements for some of building materials, the project team can use _____ to earn the credit and show overall VOC level in the building is less than required level
Budget calculation method
The budget method organizes the building interior into 5 assemblies:
- flooring
- ceilings
- walls
- thermal & acoustic insulation
- furniture
Projects need to implement a ____ in order to prevent molds & moisture damage and to increase the HVAC equipment performance & durability
Indoor air quality management plan
Sheet metal & air conditioning national contractors association deals with what kind of buildings?
Occupied buildings under construction
For a flush out, ___ cubic feet of outdoor air per square ft of gross floor area should be supplied to the building while maintaining an interior temp b/w 60° & 80° & relative humidity no higher than 60%
14,000
After a space is occupied, the building must be ventilated at a minimum rate of___ cubic foot per min per square ft of outdoor air
.30
During each day of the flush out, the ventilation should start ___ hours before occupancy & continue during occupancy
3
What are the temperature & humidity requirements of a building during a flush out?
Internal temp b/w 60°-80°
Humidity no higher than 60%
What 6 factors are defined by thermal comfort?
Air temp Humidity Surface temp Air movement Metabolic rate Clothing
Thermal comfort controls should be provided for at least __% of the individual occupant spaces
50%
At least ___% of individual occupant spaces should be provided lighting controls
90%
To measure the amount of illumination that falls onto a surface, the term ___ is used, which is equal to one lumen per sq ft
Foot candle
Individual lighting controls should contain at least how many lighting levels?
3: on, off, mid level
Midlevel lighting levels should be between ___% & __% of the max illumination level
30%
70%
A metric used to describe the annual sufficiency of ambient daylight in building interiors
Spatial daylight autonomy
What do NOT qualify as glare control devices?
Fixed exterior overhangs Fixed fins Fixed louvres Dark colored glazing Frit glazing Any additional glazing
What are acceptable glare control devices?
Interior window blinds Interior shades Curtains Movable exterior louvres Movable screens Movable awnings
To maximize daylight in interior spaces, what can be used?
Transparent partitions or interior glazing
Vision glazing should allow a clear image of the outdoors and should also be free of what?
Frits Patterns Fibers Tints Anything that disturbs the color of the view
In open offices, what can be used to allow for quality views?
No partitions or low/partial height partitions
Equipments used to reduce background noise in spaces
Masking systems
The time span between when a sound is produced and when it dies away
Reverberation time
For projects that use masking systems, the design levels should not exceed ____ dBA
48
For acoustic performance, LEED requires implementing measures for what?
HVAC background noise Sound transmission Reverberation time Sound reinforcement Masking systems
What ASHRAE handbook is used to address HVAC background noise?
2011 ASHRAE
What does CIBSE stand for?
Chartered institution of building services engineers
The baseline for indoor air quality & thermal comfort is ventilation & temperature. Which two ASHRAE standards recognize this?
62.1 & 55
A pre req for indoor environmental quality has requirements for ventilation & monitoring prescribed in which ASHRAE standard?
ASHRAE 62.1
For mechanically ventilated spaces in the US & internationally - under option 2 of the IAQ performance pre req - what codes does option 2 comply to?
CEN Standards EN 15251-2007 & EN 13779-2007
How far should CO2 monitors be off the floor?
Between 3-6 ft
What is the maximum rate of CO2 before an alarm is set off?
10%
What does an IAQ plan consist of?
- protect absorptive materials from moisture damage
- meet sheet metal & air conditioning national contractors association (SMACNA) IAQ guidelines
- do not operate permanent HVAC systems during construction
- green housekeeping
- prohibit smoking w/ in 25 ft
What is a sustainability code standard for furniture?
ANSI/BIFMA e3
