Air: 16-18 (Optimisation)

Question 1

What is Feature 16?

Answer 1

Humidity Control

Question 2

What project types (NEB; NEI; C&S) does Feature 16 (Humidity Control) apply to?

Answer 2

• NEB
• NEI

Question 3

Low Humidity vs High Humidity

What is the reason for Feature 16 (Humidity Control)?

Answer 3

• Low humidity
  
  • ​causes dryness and irritation of eyes, throat and mucous membranes
• High humidity
  
  • ​promotes the accumulation and growth of pathogens such as bacteria and mold
  • Increased off-gassing of building materials

Question 4

Formaldehyde

Give an example of a building material off-gassing at a higher rate due to high humidity.

Answer 4

Offgassing of formaldehyde increases 1.8-2.6x when humidity increases by 35%

Question 5

Add or Remove; Modeled

What are the strategies for Feature 16 (Moisture Control)?

Answer 5

Either

• Ability to add or remove moisture of HVAC to maintain humidity within 30-50%
• Modeled humidity levels maintained at 30-50% for 95% of hours in the previous year

Question 6

What is Feature 17?

Answer 6

Direct Source Ventilation

Question 7

What project types (NEB; NEI; C&S) does Feature 17 (Direct Source Ventilation) apply to?

Answer 7

All

• NEB
• NEI
• C&S

Question 8

Separate; Vent

What is the objective of Feature 17 (Direct Source Ventilation)?

Answer 8

• Separate harmful sources of air pollution from occupied spaces
• Actively vent pollutants to the outside

Question 9

Closed; Expelled

For Feature 17 (Direct Source Ventilation), in the scenario that a space is not in accordance with the following standards

• Low-emission standards of Ecologo CCD 035
• Blue Angel RAL-UZ 171
• Green Star

what are the strategies recommended?

Answer 9

• Closed from adjacent spaces with self-closing doors
• Air inside expelled from the spaces

Question 10

What is Feature 18?

Answer 10

Air Quality Monitoring and Feedback

Question 11

What project types (NEB; NEI; C&S) is Feature 18 (Air Quality Monitoring and Feedback) applicable to?

Answer 11

• NEB
• NEI

Question 12

Monitoring; Record; Display

What are the parts for Feature 18 (Air Quality Monitoring and Feedback)?

Answer 12

• Indoor Air Monitoring
• Air Data Record Keeping and Response
• Environmental Measures Display

Question 13

Particle; CO2; O3

What is the strategy for Part 1 (Indoor Air Monitoring) for Feature 18 (Air Quality Monitoring and Feedback)?

Answer 13

Monitors taking 2 measurements of indoor pollutants 1.2m–1.8m above the floor in regularly occupied / common areas, (1 measurement / floor) / hour.

Question 14

Written Policy; 3 Years; Unacceptable

What are the strategies for Part 2 (Air Data Record Keeping and Response) of Feature 18 (Air Quality Monitoring and Feedback)?

Answer 14

• Written policy providing details of monitoring and record keeping of pollutants listed in Part 1 (Indoor Air Monitoring) of Feature 18 (Air Quality Monitoring and Feedback)
• Records kept for a minimum of 3 years
• Plan in place to address unacceptable conditions

Question 15

Display; Size; Parameters

What are the strategies for Part 3 (Environmental Measures Display) of Feature 18 (Air Quality Monitoring and Feedback)?

Answer 15

A real-time display based on the following condition and displaying such:

• 15cm x 13cm / 10,000 ft2
• Temperature, Humidity, CO2

Question 16

What are Features 16, 17 and 18?

Answer 16

• Feature 16 = Humidity Control
• Feature 17 = Direct Source Ventilation
• Feature 18 = Air Quality Monitoring and Feedback