Indoor Environmental Quality Flashcards
What are the two prerequisites for Indoor Environmental Quality?
1-Minimum IAQ Performance
2-Environmental Tobacco Smoke Control (ETS)
What is the reference authority for Indoor Environmental Quality?
ASHREA 62.1 - 2007
To achieve the minimum Indoor Air Quality Performance, what types of ventilation is required?
Mechanically Ventilated (30% above Prereq) or Naturally Ventilated (Follow Carbon Trust Good Practice)
What two factors are needed to calculate the ventilation rate?
Design Occupancy and Size of Room
What are two prerequisites for Tobacco Smoke Control?
Prohibit smoking in the building & locate smoking areas 25 feet away from entries/windows/air intakes OR Prohibit smoking indoors except in designated smoking rooms.
Smoking rooms must have what 3 components?
1-Under negative pressure
2-Dedicated exhaust fan
3-Deck to deck partitions
In residential buildings what are 3 requirements to control tobacco smoke?
1-Prohibit smoking in common areas
2-Air seal walls between units
3-Weatherstrip doorways
Outdoor Air Delivery Monitoring requires CO2 monitors if the density is more than _________.
25 people per 1,000 Sq Ft or 1 person per 40 Sq Ft
If the occupancy is Non-Dense, ________ monitoring for each ______ is required.
Outdoor air, system
If using Natural Ventilation, what is required for each area?
Carbon Dioxide Monitoring
To obtain Increased Ventilation credit using mechanical vents, the ventilation must be ____% above what reference?
30%, ASHREA 62.1 - 2007
To obtain Increased Ventilation credit using natural vents, the ventilation must meet what 2 reference guides
Carbon Trust Good Practice Guide 237 AND CIBSE Application Manual 10 OR Airflow Model
What two reference guides apply to Construction IAQ Management? (During Construction)
SMACNA (Sheet Metal & Air Conditioning National Association & ASHREA 52.2 - 1999 (Air Filters)
What are 3 requirements for improving IAQ during construction?
1-Meet or exceed control measures of SMACNA
2-Protect on-site absorptive materials form moisture damage
3-Install MERV 8 Filters on return air grills
What is the reference guide for Construction IAQ Management Plan Before Occupancy?
US EPA Compendium of methods for the determination of Air Pollutants in Indoor Air. (Whew!)
What are 2 options for flushing the building with air?
Before occupancy, flush with 14,000 cubic feet of air per Sq Ft -OR- Flush with 3,500 cubic feet before occupancy and continue flushing during occupancy until 14,000 cu ft.
What’s another option to flushing the building with air?
Conduct indoor air quality testing, flush as needed.
What 4 materials can be Low (contaminate) Emitting?
1-Adhesives and Sealants
2-Paints and Coatings
3-Flooring Systems
4-Composite Wood and Agrifiber Products
What is the reference authority for Adhesives, Sealants, Sealers & Staines
SCAQMD
What is the reference authority for Paints and Aerosols?
Green Seal
What is the reference authority for Carpet?
Green Label Plus
What is the reference authority for carpet padding/cushion?
Green Label
What is the reference authority for hard surface flooring?
Floor Score
The CA Dept of Health and Safety Standard Practice for Testing for Volatile Organic Emissions tests for which building component?
Flooring Systems
How are the baseline VOCs established?
Use SCAQMD max VOC concentrations
To earn IEQ-C4, Low Emitting Materials, the VOC Design Case level must be ________.
lower than the Baseline.
What is the reference for Indoor Chemical and Pollutant Source Control?
ASHREA 52.2 - 1999
What are 4 requirements to minimize exposure to an area with chemicals and particulates?
1-Entryways at least 10’ long to capture dirt (grate etc)
2-Rooms with chemicals must be sealed, under negative pressure, exhausted, deck to deck walls, and self closing doors.
3-Use MERV 13 filters for return and outside air
4-Provide containment for disposal of hazardous waste
To obtain Controllability of Systems - Lighting, _______ is required for ___% of building occupants.
Individual Lighting Controls, 90%
Can be desk lamps
To obtain Controllability of Systems - Lighting, _______ is required for ___% of multi-occupant spaces to meet group needs and preferences.
Lighting controllability, 100%
What is the reference for Controllability of Systems - Comfort?
ASHREA 62.1 -2007 & ASHREA 55 - 2004
To obtain Controllability of Systems - Comfort, _______ is required for ___% of building occupants.
Comfort controls, 50%
To obtain Controllability of Systems - Comfort, _______ is required for ___% of multi-occupant spaces.
Comfort controllability, 100%
Natural ventilation can be used Comfort controllability if the space is within ____feet deep and ____ feet to the side of a window.
20’, 10’
If using mechanical ventilation, Comfort Controllability must control one of what 4 items?
Radiant Temp, Air Flow, Air Temp, Humidity
What is the reference for Thermal Comfort-Design and Verification?
ASHREA 55 - 2004
The Design for a comfortable thermal environment, must be acceptable to ___% of the ______.
80%, occupants
Naturally ventilated spaces can use the alternate approach in ASHREA 55 or _____.
CIBSE AM 10
If the building is Designed for Thermal Comfort, Verification (IEQ C7.2) can be obtained by implementing what?
Comfort survey
The comfort survey must meet what 4 requirements?
1-Survey 100% occupants 6-18 months after occupancy.
2-Survey must be anonymous, but can indicate work zone.
3-Paln for corrective action if more than 20% are dissatisfied.
4-Provide building monitoring system to ensure the Design is met. (IEQ-C7.1)
To obtain Daylight credit (IEQ-C8.1) daylighting is required in ___% of _______ spaces.
75%, regularly occupied
(95% for EP)
(EP for Schools is 90% Classrooms and 95% regularly occupied spaces)
What are the 4 options for testing daylighting?
1-Daylight simulation model. 25-500 fc
2-Prescriptive: .180 < Visible Light, Transmittance (VLT) x Window Floor Ratio (WFR) < 0.150
3-Measurement: Measure on 10’ x 10’ grid and show 25-500 fc or 2% daylight factor
4-Any combination of above that covers 75% of building.
To obtain IEQ-C8.2, Daylight Views, Direct ______ for ___% of building areas to glazing between __Ft __in to ____ft ___in from a height of ___inches.
line of sight, 90%, 2’-6”, 7’-6”, 42”
What is the prerequisate for School? (Indoor Environmental Quality)
Minimum acoustical performance. Max HVAC noise level < 40 dBA.
IEQ-P3 Schools - Case 1 < 20,000 what is required?
100% of ceiling > .70 Noise Reduction Coefficient or confirm total area of sound absorbent materials > .70 NRV is > ceiling area.
IEQ-P3 Schools - Case 2 > 20,000 what is required?
Confirm classrooms are designed to have a reverb time of 1.5 seconds or less using ANSI S12.60-2002
What are the two code standards for Sound Absorptive finishes?
ANSI S12.60-2002
ASHREA Handbook, Ch 47 Sound and Vib control
Outdoor Air Delivery Monitoring (IEQ-C1) requires an alarm at what % of variance?
10%
If using natural ventilation for IEQ-C2, what are the two options to show conformance?
Option 1: Use diagrams and calcs to show compliance with CIBSE manual 10:2005 or
Option 2: Macroscopic, multi-zone model to predict room flows to min of ASHRAE 62.1-2007
What is the max credits for IEQ-C4 (Low Emitting Materials) for schools?
Only 4 credits max. 6 for NC.
IEQ-C4.5 Low emitting material - Furniture, what are the 3 options for testing compliance?
1- Greenguard - Child and School certified
2- VOC concentrations to meet EPA standard (Large Chamber Test)
3- Meet BIFMA M7.1-2007 & X7.1-2007
What is the testing standard for Daylighting and Views?
ASTM D1003-07e1 Haze and Luminous Transmittance of transparent plastics
What are the 2 IEQ credits for Schools Only?
Enhanced Acoustical Performance and Mold Prevention
For IEQ-C9, what standards are needed for Enhanced Acoustical Performance?
Meet ANSI S12.60-2002 and Windows must have STC of 35 and HVAC must have less noise than 40 dBA. (EP if dBA is <60)
What are the 3 requirements to meet IEQ-C10 Mold Prevention for Schools?
1- Limit humidity to s Building Air Quality.
3- Achieve IEQ credits 3.1 (IAQ Construction), 7.1 (Thermal Comfort Design) & 7.2 (Thermal Comfort Verification)
ASHRAE for Airfilters?
52.2 - 2009
ASHRAE for Thermal?
55.2 - 2004
ASHRAE for Ventilation, IAQ Natural and Mech
62.1 - 2007
ASHRAE for Electrical
90.1
Clear wood, floor seal, stains, primers, Shellacs
SCAQMD 1113
Anti-Corresvile Paint
Green Seal 3
Setting adhesives & grout
SCAQMD 1158
Paint & coatings
Green Seal 11
Aerosol Adhesives
Green Seal 36
