Indoor Environmental Quality Flashcards by Greg Smith

What are the two prerequisites for Indoor Environmental Quality?

1-Minimum IAQ Performance

2-Environmental Tobacco Smoke Control (ETS)

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What is the reference authority for Indoor Environmental Quality?

ASHREA 62.1 - 2007

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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)

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What two factors are needed to calculate the ventilation rate?

Design Occupancy and Size of Room

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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.

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Smoking rooms must have what 3 components?

1-Under negative pressure
2-Dedicated exhaust fan
3-Deck to deck partitions

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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

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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

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If the occupancy is Non-Dense, ________ monitoring for each ______ is required.

Outdoor air, system

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If using Natural Ventilation, what is required for each area?

Carbon Dioxide Monitoring

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To obtain Increased Ventilation credit using mechanical vents, the ventilation must be ____% above what reference?

30%, ASHREA 62.1 - 2007

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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

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What two reference guides apply to Construction IAQ Management? (During Construction)

SMACNA (Sheet Metal & Air Conditioning National Association & ASHREA 52.2 - 1999 (Air Filters)

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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

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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!)

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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.

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What’s another option to flushing the building with air?

Conduct indoor air quality testing, flush as needed.

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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

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What is the reference authority for Adhesives, Sealants, Sealers & Staines

SCAQMD

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What is the reference authority for Paints and Aerosols?

Green Seal

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What is the reference authority for Carpet?

Green Label Plus

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What is the reference authority for carpet padding/cushion?

Green Label

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What is the reference authority for hard surface flooring?

Floor Score

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The CA Dept of Health and Safety Standard Practice for Testing for Volatile Organic Emissions tests for which building component?

Flooring Systems

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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