Stanislaus County
Department of Environmental Resources
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HOOD DATA SHEET
HOOD: (Check applicable categories)
Type IType II
Canopy*Compensating*
Non-canopy
U.L. Listed Grease Extractor
Other (describe)
Size: Length ft. x width ft. (inside dimensions)
Distance from lip of hood to: cooking surface in.;
Floor inches.
Formula used for determining air flow: Q = or
Alternate formula = Total CFM =
Total CFM =
*Provide six (6) inch overhang beyond cooking equipment on all open sides.
NOTE: No exposed horizontal piping within the hood canopy.
EXHAUST DUCT:
Duct size Round or Square Square feet of duct area
Square feet of duct area
Number of ducts (1 outlet per 12 feet or fraction thereof)
Exhaust duct velocity FPM (CFM divided by sq. f t. of duct) (Recommended 1800 FPM)
GREASE FILTERS or EXTRACTORS:
ManufacturerModel Mesh or Baffle Rating: CFM or FPM (circle one) Dimensions: in. X in. Functional surface area per filter: sq. ft. Number of filters to be used: Total filter area: sq. ft. Number of spacers: size of spacers: in. x in.
ManufacturerModel
Mesh or Baffle
Rating: CFM or FPM (circle one)
Dimensions: in. X in.
Functional surface area per filter: sq. ft.
Number of filters to be used:
Total filter area: sq. ft.
Number of spacers: size of spacers: in. x in.
COOK EQUIPMENT UNDER HOOD:
Attach additional sheet if needed
EXHAUST FAN/BLOWER:
Manufacturer Model No.
Exhaust CFM at sp
Blower RPM Horsepower
MAKE-UP AIR:
Fan Manufacturer Model Number CFM at sp Number of openings CFM per opening
Model Number
Number of openings CFM per opening
Note: The exhaust fan and make-up air systems shall be connected by an electrical interlocking switch.
F-90//'94
F-90.html