| 6.6005.4a
Pre-inspection | Specifications will be field verified as appropriate to site conditions by installer | Ensure appropriate design for installation |
| 6.6005.4b
Wiring | Wiring will be installed by a properly licensed contractor Wiring will be installed in accordance with original equipment manufacturer specifications, and local and national electrical and mechanical codes Refer to
NFPA
NFPA
National Fire Protection Association, www.nfpa.org
70: National Electrical Code for installation requirements | Prevent an electrical hazard |
| 6.6005.4c
Fan selection/specification | Fans installed in range hoods over cooking appliances will be designed per Home Ventilation Institute 2100 specifications Air flow rate will be a minimum of 100 cubic feet per minute (
CFM
CFM
Cubic feet per minute
) | Provide adequate ventilation to remove odors and contaminants |
| 6.6005.4d
Fan venting | Kitchen range fans will be vented directly to the outside Recirculating fans will not be used as a ventilating device | Remove odors and cooking contaminants from the building Preserve integrity of building
envelope
Envelope
The separation between the interior and exterior environments of a building that includes a combination of air and thermal barrier
|
| 6.6005.4e
Fan ducting | Kitchen range fans will be ducted directly to the outdoors As short a run as practical of smooth wall metal duct will be used, following manufacturer specifications and
IMC
IMC
International Mechanical Code
2009 505 Ducting will be connected and sealed as described in exhaust duct details SWS 6.6004.1 Central/Common Exhaust Fan Serving Multiple Dwelling Units via Common Duct(s) and Dwelling Unit Brances and SWS 6.6004.2 Individual Exhaust Fan Serving Multiple Rooms Within a Single Dwelling Unit (All 3 Building Types) | Preserve integrity of building
envelope
Envelope
The separation between the interior and exterior environments of a building that includes a combination of air and thermal barrier
Effectively move air from range to the outdoors |
| 6.6005.4f
Termination fitting | Termination fitting will be installed, including a
backdraft damper
Backdraft damper
A damper that allows air to flow in only one direction
, as described in termination fitting detail Outlet will be terminated outside of the building shell and will have a louvered cover and bird screen Minimum distance of exhaust outlets installed new from any doors or operable windows or outside air intakes will meet local code requirements or specifications of
ASHRAE
ASHRAE
American Society of Heating, Refrigerating and Air-Conditioning Engineers, www.ashrae.org
62.1 Table 5-1 requirements Outlet will be sealed to prevent water and air intrusion | Ensure safe operation of combustion appliances Ensure occupant health and safety Direct exhaust to the outdoors and prevent re-entry Prevent entry of weather and pests into building shell |
| 6.6005.4g
Makeup air | Makeup air will be provided for kitchen range fans exhausting more than 400
CFM
CFM
Cubic feet per minute
| Ensure safe operation of combustion appliances Minimize air leakage between dwelling units Ensure occupant health and safety |
| 6.6005.4h
Verification | Exhaust flow rates will be measured and documented to meet design requirements | Ensure the performance of the ventilation system Ensure occupant health and safety |
| 6.6005.4i
Combustion zone testing | 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 |
| 6.6005.4j
Occupant/property manager education | Occupant/property manager will be instructed to keep grease filters and termination fitting clean | Effectively move air from kitchen range to the outdoors |
