6.6288.1 Sound-Rating Limits

Topic: 
Whole Building Ventilation
Subtopic: 
Special Considerations
Desired Outcome: 
Systems operate as quietly as possible
For supporting material, see Calculation of the Infiltration Credit and Referenced Standards.
TitleSpecification(s)Objective(s)
6.6288.1a
Primary ventilation system or any continuously operating fan

System shall be rated for sound in accordance with current ASHRAE ASHRAE American Society of Heating, Refrigerating and Air-Conditioning Engineers, www.ashrae.org 62.2 standard

Minimize noise
6.6288.1b
Intermittent local ventilation system

See redline change(s)

Local ventilation will be rated for sound at a maximum of 3 sone, unless their maximum rated airflow exceeds 400 cfm CFM Cubic feet per minute , in accordance with ASHRAE ASHRAE American Society of Heating, Refrigerating and Air-Conditioning Engineers, www.ashrae.org 62.2-2010

Minimize noise