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WELL AP - 2024 > Week 8: Sound✅ > Flashcards

Week 8: Sound✅ Flashcards

1
Q

What is the main goal of the WELL Sound concept?

SOUND > General

A

To bolster occupant health and well-being by identifying and mitigating acoustical comfort parameters in the built environment.
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This information comes from Page 184-186 of the WELL V2

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2
Q

What are some health impacts of exterior noise sources like traffic and transportation?

SOUND > General

A

Sleep disturbance, hypertension, and elevated risk of myocardial infarction.
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This information comes from Page 184-186 of the WELL V2

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3
Q

What is a common effect of internally generated noise in enclosed spaces?

SOUND > General

A

Hinders productivity, focus, memory retention, and mental arithmetic.
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This information comes from Page 184-186 of the WELL V2

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4
Q

How can sound privacy be improved in a space?

SOUND > General

A

By adding mass and glazing to partitions, sealing gaps, providing airspace between rooms, and using a sound masking system.
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This information comes from Page 184-186 of the WELL V2

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5
Q

Why is speech intelligibility important in educational facilities?

SOUND > General

A

It is crucial for memory retention and task completion, as information is presented to large audiences.
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This information comes from Page 184-186 of the WELL V2

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6
Q

What is the intent of the S01 Sound Mapping feature?

S01 SOUND MAPPING | PRECONDITION

A

To incorporate strategic planning to prevent acoustic disturbances.
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This information comes from Page 187-189 of the WELL V2

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7
Q

What architectural trends contribute to acoustically uncomfortable environments?

S01 SOUND MAPPING | PRECONDITION

A

Open workspaces, lightweight construction, exposed finishes, HVAC systems.
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This information comes from Page 187-189 of the WELL V2

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8
Q

What percentage of UK employees reported impaired concentration due to poor acoustical comfort?

S01 SOUND MAPPING | PRECONDITION

A

99%.
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This information comes from Page 187-189 of the WELL V2

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9
Q

How can floor plans be designed to address noise issues effectively?

S01 SOUND MAPPING | PRECONDITION

A

By categorizing spaces into types such as concentration, collaboration, socialization, and learning, and strategically locating loud, quiet, and mixed spaces.
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This information comes from Page 187-189 of the WELL V2

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10
Q

What effect does high noise have on workplace collaboration?

S01 SOUND MAPPING | PRECONDITION

A

Occupants are less likely to help others, reducing collaboration.
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This information comes from Page 187-189 of the WELL V2

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11
Q

What are the four types of acoustic zones required to be labeled in a project?

S01 | Part 1 Label Acoustic Zones

A

Loud zones, Quiet zones, Mixed zones, Circulation zones.
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This information comes from Page 187-189 of the WELL V2

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12
Q

What is required if Loud zones directly border Quiet zones?

S01 | Part 1 Label Acoustic Zones

A

A plan for reprogramming or mitigating sound transmission between these zones must be provided.
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This information comes from Page 187-189 of the WELL V2

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13
Q

What document must be submitted to show labeled acoustic zones?

S01 | Part 1 Label Acoustic Zones

A

An annotated floor plan or schematic document.
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This information comes from Page 187-189 of the WELL V2

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14
Q

What is required for the project to provide an acoustic design plan?

S01 | Part 2 Provide Acoustic Design Plan

A

A plan developed by the project team or a detailed report from an acoustics professional outlining acoustical solutions and a timeline for implementation.
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This information comes from Page 187-189 of the WELL V2

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15
Q

What aspects should the acoustic design plan or report address?

S01 | Part 2 Provide Acoustic Design Plan

A

Managing acoustical comfort, background noise, speech privacy, reverberation time, and impact noise within the project boundary.
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This information comes from Page 187-189 of the WELL V2

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16
Q

Are the measurements for the acoustic design plan required to adhere to the Performance Verification Guidebook?

S01 | Part 2 Provide Acoustic Design Plan

A

No, measurements are not required to adhere to the Performance Verification Guidebook requirements for on-site testing.
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This information comes from Page 187-189 of the WELL V2

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17
Q

What is the intent of the S02 Maximum Noise Levels feature?

S02 MAXIMUM NOISE LEVELS | OPTIMIZATION

A

Achieve desired ambient noise levels such that HVAC, exterior noise intrusion, or other noise sources do not impact occupant health and well-being.
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*This information comes from Page 190-192 of the WELL V2

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18
Q

What are the health impacts of elevated background noise levels?

S02 MAXIMUM NOISE LEVELS | OPTIMIZATION

A

Increased risk of cardiovascular issues, diabetes, hypertension, stroke, depression, and high blood pressure; for children, impaired reading comprehension, mental arithmetic, and proofreading.
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*This information comes from Page 190-192 of the WELL V2

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19
Q

How can interior noise sources be controlled?

S02 MAXIMUM NOISE LEVELS | OPTIMIZATION

A

By selecting HVAC equipment with lower sound ratings and designing the system to reduce sound within ducts.
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*This information comes from Page 190-192 of the WELL V2

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20
Q

How can exterior noise be controlled?

S02 MAXIMUM NOISE LEVELS | OPTIMIZATION

A

By providing sound reduction at the building facade, windows, and any exterior penetrations.
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*This information comes from Page 190-192 of the WELL V2

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21
Q

What are the sound pressure level (SPL) thresholds for Category 1 spaces?

S02 | Part 1 Limit Background Noise Levels

A

Average SPL (Leq) dBA: 35
Max SPL (LMax) dBA: 45
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*This information comes from Page 190-192 of the WELL V2

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22
Q

What are the background noise requirements for dwelling units?

S02 | Part 1 Limit Background Noise Levels

A

Average background noise levels in bedrooms should not exceed 35 dBA (Leq) over a 12-hour minimum time period that includes 10 pm to 7 am.
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*This information comes from Page 190-192 of the WELL V2

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23
Q

How can projects earn an additional point for sound levels in leased spaces?

S02 | Part 1 Limit Background Noise Levels

A

By meeting Category 3 levels in leased spaces.
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*This information comes from Page 190-192 of the WELL V2

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24
Q

What is the SPL threshold for Category 2 spaces (enclosed areas for concentration)?

S02 | Part 1 Limit Background Noise Levels

A

Average SPL (Leq) dBA: 40
Max SPL (LMax) dBA: 50
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*This information comes from Page 190-192 of the WELL V2

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25
Q

What is the main purpose of the S03 Sound Barriers feature?

S03 SOUND BARRIERS | OPTIMIZATION

A

Increase the level of sound isolation and speech privacy between enclosed spaces.
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This information comes from Page 193-196 of the WELL V2

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26
Q

What should be considered when designing walls for sound isolation?

S03 SOUND BARRIERS | OPTIMIZATION

A

Walls should have high sound transmission class (STC) ratings and be constructed to reduce flanking at connection points with other building elements.
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This information comes from Page 193-196 of the WELL V2

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27
Q

What is a common solution to improve speech privacy in rooms?

S03 SOUND BARRIERS | OPTIMIZATION

A

Using sound masking systems in addition to high-performing walls.
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This information comes from Page 193-196 of the WELL V2

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28
Q

How do doors affect sound transmission?

S03 SOUND BARRIERS | OPTIMIZATION

A

Doors reduce sound performance but can be fitted with gaskets and seals to reduce sound transmission when closed.
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This information comes from Page 193-196 of the WELL V2

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29
Q

What are the minimum STC/Rw values required for interior walls between loud zones and other occupiable spaces?

S03 | Part 1 Design for Sound Isolation at Walls and Doors

A

STC/Rw of 60
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This information comes from Page 193-196 of the WELL V2

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30
Q

What is the minimum STC/Rw value for walls between areas for conferencing, learning, or sleeping and other regularly occupied spaces?

S03 | Part 1 Design for Sound Isolation at Walls and Doors

A

STC/Rw of 55
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This information comes from Page 193-196 of the WELL V2

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31
Q

What is the minimum requirement for doors connecting occupiable rooms or to mechanical equipment rooms?

S03 | Part 1 Design for Sound Isolation at Walls and Doors

A

Doors must have a non-hollow core, a minimum STC/Rw of 30, and seals at the head, jamb, and base.
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This information comes from Page 193-196 of the WELL V2

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32
Q

What is the minimum NIC or Dw value required for walls between loud zones and other occupiable spaces?

S03 | Part 2 Achieve Sound Isolation at Walls

A

NIC/Dw of 55
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This information comes from Page 193-196 of the WELL V2

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33
Q

What is the minimum required sum of NIC + NC or Dw + LAeq for walls separating enclosed quiet zones and any open areas for concentration or circulation zones?

S03 | Part 2 Achieve Sound Isolation at Walls

A

NIC + NC or Dw + LAeq of 70
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This information comes from Page 193-196 of the WELL V2

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34
Q

What is the minimum NIC or Dw value for walls between areas for conferencing, learning, or sleep and other regularly occupied spaces?

S03 | Part 2 Achieve Sound Isolation at Walls

A

NIC/Dw of 50
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This information comes from Page 193-196 of the WELL V2

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35
Q

What is the definition of reverberation time?

S04 REVERBERATION TIME | OPTIMIZATION

A

The length of time taken for a sound to decay by 60 dB from an initial impulse level.
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This information comes from Page 197-200 of the WELL V2

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36
Q

What factors affect the length of reverberation time?

S04 REVERBERATION TIME | OPTIMIZATION

A

Room size, surface area, and sound absorbing properties of surface finishes.
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This information comes from Page 197-200 of the WELL V2

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37
Q

How can reverberation time be controlled in a space?

S04 REVERBERATION TIME | OPTIMIZATION

A

By adding absorptive surface finishes at ceilings, walls, and furniture, or altering room geometry and layout.
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This information comes from Page 197-200 of the WELL V2

38
Q

What is the required reverberation time for areas for learning and conferencing with a space volume between 10,000 ft^2 and 20,000 ft^2?

S04 | Part 1 Achieve Reverberation Time Thresholds

A

0.5 <= t <= 0.8 seconds.
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This information comes from Page 197-200 of the WELL V2

39
Q

What is the reverberation time requirement for areas for fitness with a space volume greater than 20,000 ft^2?

S04 | Part 1 Achieve Reverberation Time Thresholds

A

1.0 <= t <= 1.8 seconds.
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This information comes from Page 197-200 of the WELL V2

40
Q

What is the reverberation time requirement for areas for dining with a public address system?

S04 | Part 1 Achieve Reverberation Time Thresholds

A

t <= 1.0 seconds.
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This information comes from Page 197-200 of the WELL V2

41
Q

What is the required NRC/aw value for open workspaces to achieve 1 point in the WELL Certification?

S05 SOUND REDUCING SURFACES | OPTIMIZATION

A

Minimum NRC/aw 0.75 for at least 75% of available ceiling area
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This information comes from Page 201-203 of the WELL V2

42
Q

What are the requirements for furniture in open workspaces to achieve points for sound reducing surfaces?

S05 SOUND REDUCING SURFACES | OPTIMIZATION

A

Partial height barriers with a minimum height of 4 ft (1.2 m) above finished floor and a minimum NRC/aw value of 0.70 between all opposing workstations
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This information comes from Page 201-203 of the WELL V2

43
Q

What are the NRC/aw requirements for conferencing and learning areas to earn 2 points in WELL Certification?

S05 SOUND REDUCING SURFACES | OPTIMIZATION

A

Minimum NRC/aw at ceilings 0.90 for all available ceiling area and minimum NRC/aw at walls 0.80 on at least 25% of two perpendicular walls
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This information comes from Page 201-203 of the WELL V2

44
Q

What is the minimum NRC/aw for ceilings in areas for dining to meet WELL Certification?

S05 SOUND REDUCING SURFACES | OPTIMIZATION

A

Minimum NRC/aw at ceilings 0.75 on at least 50% of available ceiling area
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This information comes from Page 201-203 of the WELL V2

45
Q

What is the guidance for meeting sound reducing surface requirements in leased spaces?

S05 SOUND REDUCING SURFACES | OPTIMIZATION

A

To earn an additional point, also meet these requirements in leased spaces
| Created with Chat-GPT

This information comes from Page 201-203 of the WELL V2

46
Q

What is the NRC/aw requirement for open workspaces to achieve 2 points in WELL Certification?

S05 | Part 1 Implement Sound Reducing Surfaces

A

Minimum NRC/aw 0.90 for all available ceiling area
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This information comes from Page 201-203 of the WELL V2

47
Q

What is the requirement for partial height barriers in open workspaces to earn 1 point in WELL Certification?

S05 | Part 1 Implement Sound Reducing Surfaces

A

Partial height barriers with a minimum height of 4 ft (1.2 m) above finished floor and a minimum NRC/aw value of 0.70 between all opposing workstations
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This information comes from Page 201-203 of the WELL V2

48
Q

What are the NRC/aw requirements for walls in conferencing and learning areas to earn 2 points?

S05 | Part 1 Implement Sound Reducing Surfaces

A

Minimum NRC/aw at walls 0.80 on at least 25% of two perpendicular walls
| Created with Chat-GPT

This information comes from Page 201-203 of the WELL V2

49
Q

What is the NRC/aw requirement for ceilings in areas for dining to earn 2 points in WELL Certification?

S05 | Part 1 Implement Sound Reducing Surfaces

A

Minimum NRC/aw at ceilings 0.90 for all available ceiling area
| Created with Chat-GPT

This information comes from Page 201-203 of the WELL V2

50
Q

What is the WELL Core guidance for meeting sound reducing surface requirements in leased spaces?

S05 | Part 1 Implement Sound Reducing Surfaces

A

To earn an additional point, also meet these requirements in leased spaces
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This information comes from Page 201-203 of the WELL V2

51
Q

What is the intent of the WELL feature for minimum background sound?

S06 MINIMUM BACKGROUND SOUND | OPTIMIZATION

A

Increase acoustical privacy within and between occupied spaces
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This information comes from Page 204-206 of the WELL V2

52
Q

What is the problem with HVAC systems regarding speech privacy in offices and patient rooms?

S06 MINIMUM BACKGROUND SOUND | OPTIMIZATION

A

Some HVAC systems, like chilled beams, offer little to no ambient sound contribution and result in quiet interiors, where speech is readily intelligible and distracting
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This information comes from Page 204-206 of the WELL V2

53
Q

What solution is proposed to achieve consistent background sound?

S06 MINIMUM BACKGROUND SOUND | OPTIMIZATION

A

An adjustable array of loudspeakers is used to deliver sound uniformly, with a source similar to air flowing through HVAC
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This information comes from Page 204-206 of the WELL V2

54
Q

What is the role of ambient background sound in improving speech privacy?

S06 MINIMUM BACKGROUND SOUND | OPTIMIZATION

A

Ambient background sound increases speech privacy by improving the signal-to-noise ratio and reducing speech perception between enclosed and open environments
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This information comes from Page 204-206 of the WELL V2

55
Q

What is the minimum STC rating for partitions to be effective in maintaining speech privacy?

S06 MINIMUM BACKGROUND SOUND | OPTIMIZATION

A

Partitions must perform above a minimum STC-30
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This information comes from Page 204-206 of the WELL V2

56
Q

What is the required frequency spectrum for a sound masking system in office spaces?

S06 | Part 1 Provide Minimum Background Sound

A

100 Hz to 5 kHz
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This information comes from Page 204-206 of the WELL V2

57
Q

What is the maximum sound pressure level for open areas with Quiet zones and/or Circulation zones?

S06 | Part 1 Provide Minimum Background Sound

A

48 dBA
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This information comes from Page 204-206 of the WELL V2

58
Q

What is the maximum sound pressure level for enclosed rooms labeled as Quiet zones?

S06 | Part 1 Provide Minimum Background Sound

A

42 dBA
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This information comes from Page 204-206 of the WELL V2

59
Q

How must the sound masking system be verified in office spaces?

S06 | Part 1 Provide Minimum Background Sound

A

The sound masking system must be verified by a professional installer in accordance with ASTM 1573-18 or an equivalent standard
| Created with Chat-GPT

This information comes from Page 204-206 of the WELL V2

60
Q

In which areas should the sound masking system be installed in office spaces?

S06 | Part 1 Provide Minimum Background Sound

A

In open areas with Quiet zones, Circulation zones, and enclosed rooms labeled as Quiet zones
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This information comes from Page 204-206 of the WELL V2

61
Q

What must a project achieve to earn points for Feature S06 Part 2?

S06 | Part 2 Provide Enhanced Speech Reduction

A

Achieve two points in either Feature S03 Part 2 or Feature S05 Part 1, and Feature S06 Part 1
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This information comes from Page 204-206 of the WELL V2

62
Q

Can documents submitted for S05 Part 1 during Precertification be used for S06 Part 2?

S06 | Part 2 Provide Enhanced Speech Reduction

A

Yes, documents submitted for S05 Part 1 during Precertification may be used
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This information comes from Page 204-206 of the WELL V2

63
Q

Where should these requirements be met to earn an additional point?

S06 | Part 2 Provide Enhanced Speech Reduction

A

In leased spaces
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This information comes from Page 204-206 of the WELL V2

64
Q

What is the intent of Feature S07 ? Impact Noise Management?

S07 ? IMPACT NOISE MANAGEMENT | OPTIMIZATION

A

Reduce the level of impact noise radiation by designing resilient floors
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This information comes from Page 207-209 of the WELL V2

65
Q

What can cause structure-borne impact noise within a building?

S07 ? IMPACT NOISE MANAGEMENT | OPTIMIZATION

A

Footfall, machinery, gym equipment
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This information comes from Page 207-209 of the WELL V2

66
Q

What types of buildings typically exhibit higher degrees of impact noise radiation?

S07 ? IMPACT NOISE MANAGEMENT | OPTIMIZATION

A

Light-weight floor construction, such as wood trusses, cross-laminated timber, or steel frames
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This information comes from Page 207-209 of the WELL V2

67
Q

How can the performance of floor-ceiling materials be measured?

S07 ? IMPACT NOISE MANAGEMENT | OPTIMIZATION

A

Impact Insulation Class Rating (IIC), Normalized Impact Sound Rating (NISR), or Weighted Standardized Impact Sound Pressure Level (Lntw)
| Created with Chat-GPT

This information comes from Page 207-209 of the WELL V2

68
Q

What is the minimum Impact Insulation Class (IIC) rating required for floor-ceiling construction in Quiet zones?

S07 | Part 1 Specify Impact Noise Reducing Flooring

A

Above 55
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This information comes from Page 207-209 of the WELL V2

69
Q

What is the minimum IIC rating for areas for fitness if the space is within the project boundary?

S07 | Part 1 Specify Impact Noise Reducing Flooring

A

Below 50
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This information comes from Page 207-209 of the WELL V2

70
Q

What is the minimum IIC rating for enclosed areas for concentration and conferencing?

S07 | Part 1 Specify Impact Noise Reducing Flooring

A

Above 50
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This information comes from Page 207-209 of the WELL V2

71
Q

What is the minimum IIC rating for open areas for concentration?

S07 | Part 1 Specify Impact Noise Reducing Flooring

A

Above 45
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This information comes from Page 207-209 of the WELL V2

72
Q

What is the minimum IIC rating for areas for retail and dining if the space is within the project boundary?

S07 | Part 1 Specify Impact Noise Reducing Flooring

A

Below 45
| Created with Chat-GPT

This information comes from Page 207-209 of the WELL V2

73
Q

What is the minimum Normalized Impact Sound Rating (NISR) required for Quiet zones (except areas for concentration) to achieve 1 point?

S07 | Part 2 Meet Thresholds for Impact Noise Rating

A

Above 52
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This information comes from Page 207-209 of the WELL V2

74
Q

What is the minimum NISR for areas for fitness (if space is within the project boundary) to achieve 1 point?

S07 | Part 2 Meet Thresholds for Impact Noise Rating

A

Below 47
| Created with Chat-GPT

This information comes from Page 207-209 of the WELL V2

75
Q

What is the minimum NISR for enclosed areas for concentration and conferencing to achieve 2 points?

S07 | Part 2 Meet Thresholds for Impact Noise Rating

A

Above 52
| Created with Chat-GPT

This information comes from Page 207-209 of the WELL V2

76
Q

What is the minimum NISR for open areas for concentration to achieve 2 points?

S07 | Part 2 Meet Thresholds for Impact Noise Rating

A

Above 47
| Created with Chat-GPT

This information comes from Page 207-209 of the WELL V2

77
Q

What is the minimum NISR for areas for retail and dining (if space is within the project boundary) to achieve 1 point?

S07 | Part 2 Meet Thresholds for Impact Noise Rating

A

Below 42
| Created with Chat-GPT

This information comes from Page 207-209 of the WELL V2

78
Q

What is the main intent of the Enhanced Audio Devices feature?

S08 ? ENHANCED AUDIO DEVICES | OPTIMIZATION

A

Improve speech intelligibility and accessibility by providing dedicated, high-performance audio technology.
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This information comes from Page 210-212 of the WELL V2

79
Q

What is the impact of low speech intelligibility on occupants, especially in educational settings?

S08 ? ENHANCED AUDIO DEVICES | OPTIMIZATION

A

Increased vocal effort by teachers can lead to vocal strain, decreased job performance, and higher rates of leave or resignation.
| Created with Chat-GPT

This information comes from Page 210-212 of the WELL V2

80
Q

How can speech intelligibility be improved for occupants?

S08 ? ENHANCED AUDIO DEVICES | OPTIMIZATION

A

By implementing teleconferencing equipment, speech reinforcement systems, and public address systems that are commissioned by a professional in audio engineering.
| Created with Chat-GPT

This information comes from Page 210-212 of the WELL V2

81
Q

Why is speech intelligibility especially important for non-native speakers and individuals with hearing loss?

S08 ? ENHANCED AUDIO DEVICES | OPTIMIZATION

A

Reduced speech intelligibility can negatively impact occupant satisfaction and well-being, especially for non-native speakers, individuals with hearing loss, or neurodiverse populations.
| Created with Chat-GPT

This information comes from Page 210-212 of the WELL V2

82
Q

What is the relationship between speech intelligibility and classroom participation for deaf and hard-of-hearing students?

S08 ? ENHANCED AUDIO DEVICES | OPTIMIZATION

A

Improving speech intelligibility is linked to improved scores for quality of life, social contact with peers, and mental health for deaf and hard-of-hearing students.
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This information comes from Page 210-212 of the WELL V2

83
Q

What is required for telecommunication and AV systems in spaces used for conferencing or distance learning?

S08 | Part 1 Provide Enhanced Speech Intelligibility

A

Speech enhancement technology (e.g., active digital signal processing, noise cancellation) must be provided and commissioned by a professional in audio engineering.
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This information comes from Page 210-212 of the WELL V2

84
Q

What are the requirements for public address systems?

S08 | Part 1 Provide Enhanced Speech Intelligibility

A

Public address systems must be commissioned by a professional in audio engineering in accordance with NFPA 72 (Annex D), and a commissioning report must show that a minimum STI 0.50 is achieved in at least 50% of regularly occupied acoustically distinguishable spaces (ADS).
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This information comes from Page 210-212 of the WELL V2

85
Q

What is the requirement for speech reinforcement systems in classrooms and large presentation spaces?

S08 | Part 1 Provide Enhanced Speech Intelligibility

A

Speech reinforcement systems must be installed in at least 80% of classrooms and all large presentation spaces (e.g., lecture halls, conference centers), and commissioned by a professional in acoustics or audio engineering.
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This information comes from Page 210-212 of the WELL V2

86
Q

What standard must be followed for speech reinforcement systems in large presentation spaces?

S08 | Part 1 Provide Enhanced Speech Intelligibility

A

Speech reinforcement systems must meet audio distribution requirements in accordance with ANSI/ASA S12.60 Part 1 and be commissioned in accordance with ANSI/INFOCOMM A102.01:2017 or equivalent.
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This information comes from Page 210-212 of the WELL V2

87
Q

What does a commissioning report for public address and speech reinforcement systems demonstrate?

S08 | Part 1 Provide Enhanced Speech Intelligibility

A

The commissioning report must indicate that the systems meet audio distribution requirements and achieve a minimum STI 0.50 for public address systems in 50% of ADS.
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This information comes from Page 210-212 of the WELL V2

88
Q

What is required for managing audio devices in the workplace?

S08 | Part 2 Prioritize Audio Devices and Policies

A

All audio devices must be managed by a qualified professional (e.g., IT department, mobile device management), and expectations for use must be covered in the employee handbook and/or during on-boarding.
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This information comes from Page 210-212 of the WELL V2

89
Q

How can workplaces support individual acoustical needs?

S08 | Part 2 Prioritize Audio Devices and Policies

A

Eligible employees can request alternative workplace arrangements (e.g., remote work, different workstation locations) to meet their individual acoustic comfort needs.
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This information comes from Page 210-212 of the WELL V2

90
Q

What is the requirement for scheduling quiet time in the workplace?

S08 | Part 2 Prioritize Audio Devices and Policies

A

A minimum of one daily quiet hour must be scheduled, and signage must indicate the location and intended activities of Quiet and Mixed Zones.
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This information comes from Page 210-212 of the WELL V2

91
Q

What is required for providing telecommunication accessories to employees?

S08 | Part 2 Prioritize Audio Devices and Policies

A

Telecommunication accessories that utilize sound enhancement technology (e.g., active digital signal processing, noise-cancellation) must be provided to eligible employees and distance learners at no cost or subsidized by at least 50%.
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This information comes from Page 210-212 of the WELL V2

WELL AP - 2024 (15 decks)

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