| 6.6004.3a
Pre-inspection | Specifications will be field verified as appropriate to site conditions by installer | Ensure appropriate design for installation |
| 6.6004.3b
System selection | Garage will be ventilated at a minimum of 100 cubic feet per minute (
CFM
CFM
Cubic feet per minute
) of ventilation per vehicle bay When single garage serves multiple dwellings, fan will run continuously System will provide exhaust at a minimum of 0.75
CFM
CFM
Cubic feet per minute
/square feet Minimum distance of exhaust outlet from any doors, windows, or outside air intakes will meet specifications of
ASHRAE
ASHRAE
American Society of Heating, Refrigerating and Air-Conditioning Engineers, www.ashrae.org
62.1 Table 5-1 Motors 1 horsepower or larger will meet NEMA standards | Remove contaminants from garage Reduce contaminant migration from garage to building Ensure occupant health and safety |
| 6.6004.3c
Wiring | Wiring will be installed by a licensed contractor Wiring will be installed in accordance with original equipment manufacturer specifications local and national electrical and mechanical codes Refer to
NFPA
NFPA
National Fire Protection Association, www.nfpa.org
: National Electrical Code for installation requirements | Prevent an electrical hazard |
| 6.6004.3d
Access | Fan and
service switch
Service switch
An electrical switch that controls the complete flow of electricity to a mechanical device
will be accessible for maintenance | Ensure unit and
service switch
Service switch
An electrical switch that controls the complete flow of electricity to a mechanical device
are accessible for maintenance or replacement |
| 6.6004.3e
Outdoor/indoor fan mounting | Fan outlet will be oriented toward the final termination location Fan will be oriented so the equivalent length of the duct run is as short as possible Fan will be mounted securely in accordance with manufacturer specifications and local code requirements (in terms of seismic restraints) Fan will be isolated from the building framing unless specifically designed to be directly attached | Ensure short duct runs to achieve optimum air flows Ensure mounting is installed securely Ensure fan housing or building framing does not shake, rattle, or hum when operating Minimize noise |
| 6.6004.3f
Air leakage | Air leakage between the building and garages will be prevented by
envelope
Envelope
The separation between the interior and exterior environments of a building that includes a combination of air and thermal barrier
sealing, weather stripping, and duct sealing following SWS 3.1502.1 Garages - Isolating from Living Spaces and SWS 3.1502.2 Removing Supply and/or Return Registers From Garages | Ensure occupant health and safety Reduce conditioned air being drawn from the building Reduce contaminant migration from garage to building |
| 6.6004.3g
Verification | Exhaust flow rates will be measured in accordance with
ANSI
ANSI
American National Standards Institute, www.ansi.org
/
ACCA
ACCA
Air Conditioning Contractors of America, www.acca.org
Standard 5 or
ANSI
ANSI
American National Standards Institute, www.ansi.org
/
ASHRAE
ASHRAE
American Society of Heating, Refrigerating and Air-Conditioning Engineers, www.ashrae.org
Standard 111 and documented to meet design requirements If intermittent system is installed, proper operation of controls will be confirmed | Ensure the performance of the ventilation system Ensure occupant health and safety |
| 6.6004.3h
Combustion zone testing | If combustion equipment is located inside of or adjacent to garage, then pressure effects caused by fans will be assessed and corrected when found outside of combustion safety standards | Ensure safe operation of combustion appliances Ensure occupant health and safety |
| 6.6004.3i
Property manager education | Property manager will be educated on how the system works and its purpose and proper maintenance Property manager will be educated on maintenance procedures | Ensure the durability of the exhaust system |
