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LEED AP BD&C > Indoor Environmental Quality > Flashcards

Indoor Environmental Quality Flashcards

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1
Q

What are the two prerequisites for Indoor Environmental Quality?

A

1-Minimum IAQ Performance

2-Environmental Tobacco Smoke Control (ETS)

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2
Q

What is the reference authority for Indoor Environmental Quality?

A

ASHREA 62.1 - 2007

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3
Q

To achieve the minimum Indoor Air Quality Performance, what types of ventilation is required?

A

Mechanically Ventilated (30% above Prereq) or Naturally Ventilated (Follow Carbon Trust Good Practice)

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4
Q

What two factors are needed to calculate the ventilation rate?

A

Design Occupancy and Size of Room

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5
Q

What are two prerequisites for Tobacco Smoke Control?

A

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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6
Q

Smoking rooms must have what 3 components?

A

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

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7
Q

In residential buildings what are 3 requirements to control tobacco smoke?

A

1-Prohibit smoking in common areas
2-Air seal walls between units
3-Weatherstrip doorways

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8
Q

Outdoor Air Delivery Monitoring requires CO2 monitors if the density is more than _________.

A

25 people per 1,000 Sq Ft or 1 person per 40 Sq Ft

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9
Q

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

A

Outdoor air, system

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10
Q

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

A

Carbon Dioxide Monitoring

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11
Q

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

A

30%, ASHREA 62.1 - 2007

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12
Q

To obtain Increased Ventilation credit using natural vents, the ventilation must meet what 2 reference guides

A

Carbon Trust Good Practice Guide 237 AND CIBSE Application Manual 10 OR Airflow Model

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13
Q

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

A

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

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14
Q

What are 3 requirements for improving IAQ during construction?

A

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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15
Q

What is the reference guide for Construction IAQ Management Plan Before Occupancy?

A

US EPA Compendium of methods for the determination of Air Pollutants in Indoor Air. (Whew!)

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16
Q

What are 2 options for flushing the building with air?

A

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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17
Q

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

A

Conduct indoor air quality testing, flush as needed.

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18
Q

What 4 materials can be Low (contaminate) Emitting?

A

1-Adhesives and Sealants
2-Paints and Coatings
3-Flooring Systems
4-Composite Wood and Agrifiber Products

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19
Q

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

A

SCAQMD

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20
Q

What is the reference authority for Paints and Aerosols?

A

Green Seal

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21
Q

What is the reference authority for Carpet?

A

Green Label Plus

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22
Q

What is the reference authority for carpet padding/cushion?

A

Green Label

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23
Q

What is the reference authority for hard surface flooring?

A

Floor Score

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24
Q

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

A

Flooring Systems

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25
Q

How are the baseline VOCs established?

A

Use SCAQMD max VOC concentrations

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26
Q

To earn IEQ-C4, Low Emitting Materials, the VOC Design Case level must be ________.

A

lower than the Baseline.

27
Q

What is the reference for Indoor Chemical and Pollutant Source Control?

A

ASHREA 52.2 - 1999

28
Q

What are 4 requirements to minimize exposure to an area with chemicals and particulates?

A

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

29
Q

To obtain Controllability of Systems - Lighting, _______ is required for ___% of building occupants.

A

Individual Lighting Controls, 90%

Can be desk lamps

30
Q

To obtain Controllability of Systems - Lighting, _______ is required for ___% of multi-occupant spaces to meet group needs and preferences.

A

Lighting controllability, 100%

31
Q

What is the reference for Controllability of Systems - Comfort?

A

ASHREA 62.1 -2007 & ASHREA 55 - 2004

32
Q

To obtain Controllability of Systems - Comfort, _______ is required for ___% of building occupants.

A

Comfort controls, 50%

33
Q

To obtain Controllability of Systems - Comfort, _______ is required for ___% of multi-occupant spaces.

A

Comfort controllability, 100%

34
Q

Natural ventilation can be used Comfort controllability if the space is within ____feet deep and ____ feet to the side of a window.

A

20’, 10’

35
Q

If using mechanical ventilation, Comfort Controllability must control one of what 4 items?

A

Radiant Temp, Air Flow, Air Temp, Humidity

36
Q

What is the reference for Thermal Comfort-Design and Verification?

A

ASHREA 55 - 2004

37
Q

The Design for a comfortable thermal environment, must be acceptable to ___% of the ______.

A

80%, occupants

38
Q

Naturally ventilated spaces can use the alternate approach in ASHREA 55 or _____.

A

CIBSE AM 10

39
Q

If the building is Designed for Thermal Comfort, Verification (IEQ C7.2) can be obtained by implementing what?

A

Comfort survey

40
Q

The comfort survey must meet what 4 requirements?

A

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)

41
Q

To obtain Daylight credit (IEQ-C8.1) daylighting is required in ___% of _______ spaces.

A

75%, regularly occupied
(95% for EP)
(EP for Schools is 90% Classrooms and 95% regularly occupied spaces)

42
Q

What are the 4 options for testing daylighting?

A

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.

43
Q

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.

A

line of sight, 90%, 2’-6”, 7’-6”, 42”

44
Q

What is the prerequisate for School? (Indoor Environmental Quality)

A

Minimum acoustical performance. Max HVAC noise level < 40 dBA.

45
Q

IEQ-P3 Schools - Case 1 < 20,000 what is required?

A

100% of ceiling > .70 Noise Reduction Coefficient or confirm total area of sound absorbent materials > .70 NRV is > ceiling area.

46
Q

IEQ-P3 Schools - Case 2 > 20,000 what is required?

A

Confirm classrooms are designed to have a reverb time of 1.5 seconds or less using ANSI S12.60-2002

47
Q

What are the two code standards for Sound Absorptive finishes?

A

ANSI S12.60-2002

ASHREA Handbook, Ch 47 Sound and Vib control

48
Q

Outdoor Air Delivery Monitoring (IEQ-C1) requires an alarm at what % of variance?

A

10%

49
Q

If using natural ventilation for IEQ-C2, what are the two options to show conformance?

A

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

50
Q

What is the max credits for IEQ-C4 (Low Emitting Materials) for schools?

A

Only 4 credits max. 6 for NC.

51
Q

IEQ-C4.5 Low emitting material - Furniture, what are the 3 options for testing compliance?

A

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

52
Q

What is the testing standard for Daylighting and Views?

A

ASTM D1003-07e1 Haze and Luminous Transmittance of transparent plastics

53
Q

What are the 2 IEQ credits for Schools Only?

A

Enhanced Acoustical Performance and Mold Prevention

54
Q

For IEQ-C9, what standards are needed for Enhanced Acoustical Performance?

A

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)

55
Q

What are the 3 requirements to meet IEQ-C10 Mold Prevention for Schools?

A

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)

56
Q

ASHRAE for Airfilters?

A

52.2 - 2009

57
Q

ASHRAE for Thermal?

A

55.2 - 2004

58
Q

ASHRAE for Ventilation, IAQ Natural and Mech

A

62.1 - 2007

59
Q

ASHRAE for Electrical

A

90.1

60
Q

Clear wood, floor seal, stains, primers, Shellacs

A

SCAQMD 1113

61
Q

Anti-Corresvile Paint

A

Green Seal 3

62
Q

Setting adhesives & grout

A

SCAQMD 1158

63
Q

Paint & coatings

A

Green Seal 11

64
Q

Aerosol Adhesives

A

Green Seal 36

LEED AP BD&C (8 decks)

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