|Adopt Entire Chapter||X||X||X||X||X|
|Adopt Entire Chapter as amended (amended sections listed below)||X||X||X||X||X||X|
|Adopt only those sections that are listed below||X|
|503.3, Exception 1 & 2||X|
|516.2.9 Exception 4||X|
The Office of the State Fire Marshal's adoption of this chapter or individual sections is applicable to structures regulated by other state agencies pursuant to Section 1.11.
Exception: Clothes dryers.
Other product-conveying outlets shall terminate not less than 10 feet (3048 mm) from a property line, 3 feet (914 mm) from exterior walls or roofs, 10 feet (3048 mm) from openings into the building, and 10 feet (3048 mm) above adjoining grade.
Part I — Environmental Air Ducts and Product Conveying Systems
Equipment used to exhaust explosive or flammable vapors, fumes, or dusts shall bear an identification plate stating the ventilation rate for which the system was designed.
Fans located in systems conveying corrosives shall be of materials that are resistant to the corrosive or shall be coated with corrosion-resistant materials.
- An ASHRAE 10-percent to 15-percent efficiency filter shall be permitted for an HVAC unit meeting the 2013 California Energy Code having 60,000 Btu/h (17.6 kW) or less capacity per fan coil, if the energy use of the air delivery system is 0.4 W/cfm [848 W/(m3/s)] or less at design air flow.
- Existing mechanical equipment.
- Ductless range hoods where installed in accordance with the manufacturer's installation instructions.
- Condensing clothes dryers where installed in accordance with the manufacturer's installation instructions.
Exception: Where the exhaust duct does not discharge into a common exhaust plenum and one of the following:
- The exhaust fan runs continuously.
- The exhaust duct serves space(s) that are not mechanically heated or cooled.
- The space served is maintained at positive pressure.
Exception: Ducts for domestic kitchen downdraft grill-range ventilation installed under a concrete slab floor shall be permitted to be of approved Schedule 40 PVC provided:
- The under-floor trench in which the duct is installed shall be completely backfilled with sand or gravel.
- Not more than 1 inch (25.4 mm) of 6 inch diameter (152 mm) PVC coupling shall be permitted to protrude above the concrete floor surface.
- PVC pipe joints shall be solvent cemented to provide an air and greasetight duct.
- The duct shall terminate above grade outside the building and shall be equipped with a back-draft damper.
- Makeup air shall be provided for Type 1 clothes dryers in accordance with the manufacturer's instructions. [NFPA 54:10.4.3.1]. Where a closet is designed for the installation of a clothes dryer, an opening of not less than 100 square inches (0.065 m2) for makeup air shall be provided in the door or by other approved means.
- Provision for makeup air shall be provided for Type 2 clothes dryers, with a free area of not less than 1 square inch (0.0006 m2) for each 1000 British thermal units per hour (Btu/h) (0.293 kW) total input rating of the dryer(s) installed. [NFPA 54:10.4.3.2]
Type 1 clothes dryer exhaust ducts shall be of rigid metal and shall have smooth interior surfaces. The diameter shall be not less than 4 inches nominal (100 mm) and the thickness shall be not less than 0.016 of an inch (0.406 mm).
- Exhaust ducts for Type 2 clothes dryers shall comply with Section 504.4. [NFPA 54:10.4.5.1]
- Exhaust ducts for Type 2 clothes dryers shall be constructed of sheet metal or other noncombustible material. Such ducts shall be equivalent in strength and corrosion resistance to ducts made of galvanized sheet steel not less than 0.0195 of an inch (0.4953 mm) thick. [NFPA 54:10.4.5.2]
- Type 2 clothes dryers shall be equipped or installed with lint-controlling means. [NFPA 54: 10.4.5.3]
- Exhaust ducts for Type 2 clothes dryers shall be installed with a clearance of not less than 6 inches (152 mm) from adjacent combustible material. Where exhaust ducts for Type 2 clothes dryers are installed with reduced clearances, the adjacent combustible material shall be protected in accordance with Table 303.10.1. [NFPA54:10.4.5.4]
- Where ducts pass through walls, floors, or partitions, the space around the duct shall be sealed with noncombustible material. [NFPA 54:10.4.5.5]
- Multiple installations of Type 2 clothes dryers shall be made in a manner to prevent adverse operation due to back pressures that are capable of being created in the exhaust systems. [NFPA 54: 10.4.5.6] The exhaust fan shall operate continuously or shall be interlocked to exhaust air where a clothes dryer is in operation.
Exception: Ducts conveying vapor or fumes having flammable constituents less than 25 percent of their Lower Flammability Limit (LFL) shall be permitted to pass through other spaces.
Exception: Higher concentrations shall be permitted where the exhaust system is designed and protected in accordance with the Standard on Explosion Prevention Systems in Chapter 17, using one or more of the following techniques:
- Combustible concentration reduction
- Oxidant concentration reduction
- Deflagration suppression
- Deflagration pressure containment [NFPA 91:4.1.3, 22.214.171.124]
- Class 1 - Ducts conveying nonabrasives, such as smoke, spray, mists, fogs, noncorrosive fumes and gases, light fine dusts, or powders.
- Class 2 - Ducts conveying moderately abrasive particulate in light concentrations, such as sawdust and grain dust, and buffing and polishing dust.
- Class 3 - Ducts conveying Class 2 materials in high concentrations and highly abrasive materials in low concentrations, such as manganese, steel chips, and coke.
- Class 4 - Ducts conveying highly abrasive material in high concentrations.
- Class 5 - Ducts conveying corrosives, such as acid vapors.
Systems conveying particulate matter shall be designed by employing the constant velocity method. Systems conveying explosive or radioactive materials shall be pre-balanced through duct sizing. Other systems shall be permitted to be designed with balancing devices such as dampers. Dampers provided to balance airflow shall be provided with securely fixed minimum-position blocking devices to prevent restricting flow below the required volume or velocity.
|NATURE OF CONTAMINANTS||EXAMPLES||FEET PER MINUTE
(feet per minute)
|Vapors, gases, smoke||Vapors, gases, and smoke||Any|
|Fine light dusts||Cotton lint, wood flour, litho powder||2500|
|Dry Dusts and powders||Fine rubber dust, molding powder dust,
jute lint, cotton dust, shavings(light), soap dust, leather shavings
|Average industrial dusts||Grinding dust, buffing lint(dry), wool jute dust (shaker waste),
coffee beans, shoe dust, granite dust, silica flour, general material
handling, brick cutting, clay dust, foundry (general), limestone dust,
packaging and weighing asbestos dust in textile industries
|Heavy Dusts||Sawdust (heavy and wet), metal turnings, foundry tumbling barrels,
and shake-out, sandblast dust, wood blocks, hog waste, brass
turning, cast-iron boring dust, lead dust
|Heavy or moist dusts||Lead dust with chips, moist cement dust, asbestos chunks from
transite pipe cutting machines, buffing lint (sticky), quick-lime dust
*Systems that are handling combustible particulate solids shall be accordance with NFPA 654.
Approved nonmetallic hoods and duct systems shall be permitted to be used for Class 5 corrosive systems where the corrosive mixture is nonflammable. Metal hoods used with Class 5 duct systems shall be protected with an approved corrosion-resistant material. Edges of hoods shall be rounded. The minimum clearance between hoods and combustible construction shall be the clearance required by the duct system.
Note: For additional pharmacy building standard requirements, see Chapter 12, California Building Code.
- Asbestos-cement, concrete, clay, or ceramic materials shall be permitted to be used where it is shown that these materials will be equivalent to metal ducts installed in accordance with this chapter.
- Ducts serving a Class 5 system shall be permitted to be
constructed of approved nonmetallic material where the
corrosive characteristics of the material being conveyed
make a metal system unsuitable and where the mixture
being conveyed is nonflammable.
Approved nonmetallic material shall be either a listed product having a flame-spread index not exceeding 25 and a smoke-developed rating of 50 or less on both inside and outside surfaces without evidence of continued progressive combustion, or shall have a flame-spread index not exceeding 25 and shall be installed with an automatic fire-sprinkler protection system inside the duct.
- Ducts used in central vacuum cleaning systems within a dwelling unit shall be constructed of materials in accordance with the applicable standards referenced in Chapter 17. Penetrations of fire walls or floor-ceiling or roof-ceiling assemblies shall be in accordance with the building code.
Aluminum ducts shall not be used in systems conveying flammable vapors, fumes, or explosive dusts, nor in Class 2, 3, or 4 systems. Galvanized steel and aluminum ducts shall not be used where the temperature of the material being conveyed exceeds 400°F (204°C).
Metal ducts used in Class 5 systems that are not resistant to the corrosiveness of the product shall be protected with an approved corrosion-resistant material.
- Class 1 product-conveying ducts that operate at less than 4 inches water column (0.9 kPa) negative pressure and convey noncorrosive, nonflammable, and nonexplosive materials at temperatures not exceeding 250°F (121°C) shall be permitted to be constructed in accordance with SMACNA HVAC Duct Construction Standards-Metal and Flexible.
- Ducts used in central vacuuming systems within a
dwelling unit shall be constructed of materials in accordance
with the applicable standards referenced in Chapter
17. Penetrations of fire-resistive walls, or floor-ceiling or
roof-ceiling assemblies shall be in accordance with the
building code. Copper or ferrous pipes or conduit extending
from within the separation between a garage and dwelling
unit to the central vacuum unit shall be permitted to be
The use of rectangular ducts conveying particulates shall be subject to approval of the Authority Having Jurisdiction. The design of rectangular ducts shall consider the adhesiveness and buildup of products being conveyed within the duct.
Aluminum construction shall be permitted to be used in Class 1 duct systems. The thickness of aluminum ducts shall be not less than two Brown and Sharpe gauges thicker than the gauges required for steel ducts set forth in Table 506.2(1) and Table 506.2(2).
Branches shall connect to main ducts at the large end of transitions at an angle not exceeding 45 degrees (0.79 rad).
Except for ducts used to convey noncorrosive vapors with no particulate, accessible cleanouts shall be provided at 10 foot (3048 mm) intervals and at changes in direction. Access openings shall also be provided for access to sprinklers and other equipment within the duct that require servicing.
Where a room or building contains a dust explosion hazard that is external to protected equipment, as defined in NFPA 654, such areas shall be provided with deflagration venting to a safe outside location.
Exception: Where approved drainage is provided, the weight of the water shall not require consideration.
- Where the ductwork system is operating at less than 140°F (60°C) and is equipped with an approved automatic extinguishing system designed for the specific hazard, the clearance shall be permitted to be reduced to 6 inches (152 mm) from combustible materials and 1/2 of an inch (12.7 mm) from combustible construction. [NFPA 91:126.96.36.199]
- Where the combustible material and construction is protected by the use of materials or products listed for protection purposes or in accordance with Table 303.10.1.
- Leaving the top and bottom edges open to circulation by maintaining the 1 inch (25.4 mm) air gap.
- Leaving the top and both side edges open to circulation by maintaining the 1 inch (25.4 mm) air gap. [NFPA 91:188.8.131.52.2]
- Cooking equipment
- Ducts (where applicable)
- Fire-extinguishing equipment
- Special effluent or energy control equipment [NFPA 96:4.1.3]
- Airflows shall be maintained. [NFPA 96:4.1.4]
- The responsibility for inspection, testing, maintenance, and cleanliness of the ventilation control and fire protection of the commercial cooking operations shall ultimately be that of the owner of the system, provided that this responsibility has not been transferred in written form to a management company, tenant, or other party. [NFPA 96:4.1.5]
- Solid-fuel cooking equipment shall comply with the requirements of Section 517.0. [NFPA 96:4.1.6]
- Multitenant applications shall require the concerted cooperation of design, installation, operation, and maintenance responsibilities by tenants and by the building owner. [NFPA 96:4.1.7]
- Interior surfaces of the exhaust system shall be accessible for cleaning and inspection purposes. [NFPA 96:4.1.8]
- Cooking equipment used in fixed, mobile, or temporary concessions, such as trucks, buses, trailers, pavilions, tents, or a form of roofed enclosure, shall be in accordance with this chapter unless otherwise exempted by the Authority Having Jurisdiction. [NFPA 96:4.1.9]
- Metal lath and plaster.
- Ceramic tile.
- Quarry tile.
- Other noncombustible materials or assembly of noncombustible materials that are listed for the purpose of reducing clearance.
- Other materials and products that are listed for the purpose of reducing clearance. [NFPA 96:184.108.40.206]
Exception: Where the duct is protected with a field-applied grease duct enclosure or factory-built grease duct enclosure.
- Open combustible construction clearance at manufacturer's requested dimensions.
- Closed combustible construction clearance at manufacturer's requested dimensions, with or without specified ventilation.
- Rated shaft clearance at manufacturer's requested dimensions, with or without specified ventilation. [NFPA 96:4.3.6]
Satisfaction shall be provided to the Authority Having Jurisdiction that the complete exhaust system as addressed in this chapter is installed and operable in accordance with the approved design and the manufacturer's installation instructions.
- Cooking appliance that is in accordance with UL 710B for reduced emissions where the grease discharge does not exceed 2.9 E-09 ounces per cubic inch (oz/in3) (5.0 E-06 kg/m3) where operated with a total airflow of 500 cubic feet per minute (cfm) (0.236 m3/s).
- Recirculating systems listed in accordance with UL 710B and installed in accordance with Section 516.0.
- Dishwashing machines connected to a Type II duct system and exhausted directly to the outdoors.
- Dishwashing machines with a self-contained condensing system listed in accordance with UL 921 and installed in a space where the HVAC system has been engineered to accommodate the latent and sensible heat load emitted from such appliances as approved by the Authority Having Jurisdiction. Such equipment shall be provided with an interlocking device to prevent opening of the appliance prior to completion of its cycle.
Exception: Listed exhaust hoods.
- Seams, joints, and penetrations of the hood shall be permitted to be internally welded, provided that the weld is formed smooth or ground smooth, so as to not trap grease, and is cleanable. [NFPA 96:5.1.3]
- Penetrations shall be permitted to be sealed by devices that are listed for such use and whose presence does not detract from the hood's or duct's structural integrity. [NFPA 96:5.1.5]
Exception: Listed exhaust hoods are to be installed in accordance with the terms of their listings and the manufacturer's installation instructions.
Exception: Listed exhaust hoods installed in accordance with the manufacturer's installation instructions.
|ENET||=||net hood exhaust|
|EHOOD||=||total hood exhaust|
|MAID||=||makeup air, internal discharge|
|TYPE OF HOOD||AIRFLOW (cubic foot per minute
per linear foot of hood)
|Double island canopy (per side)||550|
|Single island canopy||700|
|TYPE OF HOOD||AIRFLOW (cubic foot per minute
per linear foot of hood)
|Double island canopy (per side)||400|
|Single island canopy||600|
|TYPE OF HOOD||AIRFLOW (cubic foot per minute
per linear foot of hood)
|Double island canopy (per side)||300|
|Single island canopy||500|
|TYPE OF HOOD||AIRFLOW (cubic foot per minute
per linear foot of hood)
|Double island canopy (per side)||250|
|Single island canopy||400|
- For cooking equipment without exposed flame and where flue gases bypass grease removal devices, the minimum vertical distance shall be permitted to be reduced to not less than 6 inches (152 mm). [NFPA 96:220.127.116.11]
- Where a grease removal device is listed for separation distances less than those required in Section 509.2 and Section 509.2.1, the listing requirements shall be permitted. [NFPA 96:18.104.22.168]
- Grease removal devices supplied as part of listed hood assemblies shall be installed in accordance with the terms of the listing and the manufacturer's installation instructions. [NFPA 96:22.214.171.124]
Drains shall be provided at low points in horizontal ducts. Where provided, drains shall be continuously welded to the exhaust duct or listed grease duct drains in accordance with the terms of the listing and the manufacturer's installation instructions.
Ducts shall be installed without forming dips or traps. In manifold (common duct) systems, the lowest end of the main duct shall be connected flush on the bottom with the branch duct. [NFPA 96:7.1.4 - 126.96.36.199]
ACCESS PANEL - DO NOT OBSTRUCT [NFPA 96:7.1.6]
Exception: Openings shall not be required in portions of the duct that are accessible from the duct entry or discharge. [NFPA 96:7.3.3]
Exception: Dampers that are accessible from under the hood.
Exception: Listed grease duct access door assemblies (access panels) shall be installed in accordance with the terms of the listings and the manufacturer's installation instructions. [NFPA 96:7.4.3]
- Factory-built grease duct listed in accordance with UL 1978 shall be permitted to incorporate nonwelded joint construction in accordance with their listing. [NFPA 96:188.8.131.52.1]
- Duct-to-hood collar connections as shown in Figure 510.5.3 shall not require a liquid-tight continuous external weld. [NFPA 96:184.108.40.206]
- Penetrations shall be permitted to be sealed by other listed devices that are tested to be greasetight and are evaluated under the same conditions of fire severity as the hood or enclosure of listed grease extractors and whose presence does not detract from the hood or the duct's structural integrity. [NFPA 96:220.127.116.11]
- Internal welding shall be permitted, provided the joint is formed or ground smooth and is readily accessible for inspection. [NFPA 96:18.104.22.168]
PERMITTED DUCT-TO HOOD COLLAR CONNECTION
[NFPA 96: FIGURE 22.214.171.124]
- Telescoping joint, as shown in Figure 510.5.3.2(1).
- Bell-type joint, as shown in Figure 510.5.3.2(2).
- Flange with edge weld, as shown in Figure 510.5.3.2(3).
- Flange with filled weld, as shown in Figure 510.5.3.2(4). [NFPA 96:126.96.36.199]
- Duct size decreases (going upward) with each telescope.
- Smaller (inside) duct section shall be above or uphill (on sloped duct), to be self draining into larger (outside) duct.
For SI units: 1 inch = 25.4 mm
- Duct size stays the same throughout the duct system.
- Smaller (inside) male duct end is always above or uphill (on sloped duct), to be self-draining into larger (outside) female duct end.
Exception: The continuous enclosure provisions shall not be required where a field-applied grease duct enclosure or a factory-built grease duct enclosure (see Section 507.3.4 through Section 507.3.6) is protected with a listed duct-through-penetration protection system equivalent to the fire resistance rating of the assembly being penetrated, and where the materials are installed in accordance with the conditions of the listings and the manufacturer's installation instructions and are acceptable to the Authority Having Jurisdiction. [NFPA 96:188.8.131.52]
Exception: Clearance from the outer surfaces of field-applied grease duct enclosures and factory-built grease duct enclosures to the interior surfaces of construction installed around them shall be permitted to be reduced where the field-applied grease duct enclosure materials and the factory-built grease duct enclosures are installed in accordance with the conditions of the listings and the manufacturer's installation instructions and are acceptable to the Authority Having Jurisdiction. [NFPA 96:184.108.40.206.4]
- Not less than 10 feet (3048 mm) of horizontal clearance from the outlet to adjacent buildings, property lines, and air intakes.
- Not less than 5 feet (1524 mm) of horizontal clearance from the outlet (fan housing) to a combustible structure.
- A vertical separation of 3 feet (914 mm) below an exhaust outlet for air intakes within 10 feet (3048 mm) of the exhaust outlet.
- The ability to drain grease out of traps or low points formed in the fan or duct near the termination of the system into a collection container that is noncombustible, closed, rainproof, and structurally sound for the service to which it is applied, and that will not sustain combustion.
- A grease collection device that is applied to exhaust systems that does not inhibit the performance of a fan.
- A listed grease collection system that is in accordance with Section 510.9.1(4) and Section 510.9.1(5).
- A listed grease duct in accordance with Section 507.3.7 or ductwork in accordance with Section 507.3.8.
- A hinged upblast fan supplied with flexible weatherproof
electrical cable and service hold-open
retainer to permit inspection and cleaning that is
listed for commercial cooking equipment with the
- Where the fan attaches to the ductwork, the ductwork is not less than 18 inches (457 mm) away from the roof surface, as shown in Figure 510.9.1.
- The fan discharges not less than 40 inches (1016 mm) away from the roof surface, as shown in Figure 510.9.1.
- Other approved fan, provided it is in accordance
with the following criteria:
- The fan is in accordance with the requirements of Section 510.9.1(3) and Section 511.1.3.
- Its discharge or its extended duct discharge is in accordance with the requirements of Section 510.9.1(2). (See Section 511.1.3)
- Exhaust fan discharge is directed up and away from the roof surface. [NFPA 96:220.127.116.11]
- Through a noncombustible wall with not less than 10
feet (3048 mm) of clearance from the outlet to adjacent
buildings, property lines, grade level, combustible
construction, electrical equipment or lines, and the
closest point of an air intake or operable door or
window at or below the plane of the exhaust termination.
The closest point of an air intake or operable door
or window above the plane of the exhaust termination
shall be not less than 10 feet (3048 mm) in distance,
plus 3 inches (76 mm) for each 1 degree (0.017 rad)
from horizontal, the angle of degree being measured
from the center of the exhaust termination to the center
of the air intake, operable door or window, as indicated
in Figure 510.9.2.
Exception: A wall termination in a secured area shall be permitted to be at a lower height above grade where acceptable to the Authority Having Jurisdiction.
- The exhaust flow shall be directed perpendicularly outward from the wall face or upward.
- The ductwork shall be pitched to drain the grease back into the hood(s) or with a drain provided to bring the grease back into a container within the building or into a remote grease trap.
- A listed grease duct shall comply with Section 510.3.3 through Section 510.3.7; other ducts shall comply with Section 510.5.
- An approved fan shall comply with the requirements of Section 510.9.2(3), and Section 511.1.1 or Section 511.1.3. [NFPA 96:7.8.3]
- Fresh air intake (FAI) applies to an air intake, including an operable door or window.
FAI is same plane as exhaust or lower: 10 feet (min.) between closet edges.
FAI above plane of exhaust: 10 feet + 3 inches.
- Rooftop terminations shall terminate not less than 10 feet (3048 mm) from a property line and the exhaust flow shall be directed away from the roof surface of the roof not less than 40 inches (1016 mm).
- Horizontal terminations shall terminate not less than 10 feet (3048 mm) from adjacent buildings, property lines, operable openings, and from grade level.
- The termination outlet shall not be directed onto a public way.
- Located in an accessible area of a size to allow for service or removal [NFPA 96:18.104.22.168]
- Flexible connectors shall be prohibited. [NFPA 96:22.214.171.124]
- A drain shall be directed to a readily accessible and visible grease receptacle not to exceed 1 gallon (4 L). [NFPA 96:126.96.36.199]
- The space or room in which the exhaust fan is located shall have the same fire resistance rating as the enclosure.
- The fan shall be connected to the exhaust duct by flanges securely bolted as shown in Figure 511.1.2(1) through Figure 511.1.2(4) or by a system specifically listed for such use. [NFPA 96:188.8.131.52, 184.108.40.206]
For compensating hoods, where a Type I or Type II hood has an internal discharge of makeup air, the makeup air flow shall not exceed 10 percent of the exhaust airflow, the exhaust airflow shall be the net exhaust from the hood in accordance with Section 508.10.1.2 through Section 50S.10.1.5. The total hood exhaust shall be determined in accordance with Equation 511.3.
|ENET||=||net hood exhaust|
|EHOOD||=||total hood exhaust|
|MAID||=||makeup air, internal discharge|
- Wet chemical extinguishing system (NFPA 17A, Standard for Wet Chemical Extinguishing Systems), complying with UL 300, Fire Testing of Fire Extinguishing Systems for Protection of Restaurant Cooking Equipment. All existing dry chemical and wet chemical extinguishing systems shall comply with UL 300, Fire Testing of Fire Extinguishing Systems for Protection of Restaurant Cooking Equipment.
- Carbon dioxide extinguishing systems (NFPA 12, Standard on Carbon Dioxide Extinguishing Systems).
- Automatic fire sprinkler systems (NFPA 13, Standard for the Installation of Sprinkler Systems).
- Automatic fire-extinguishing equipment provided as part of listed recirculating systems in accordance with UL 710B. [NFPA 96:10.2.5]
- [DSA-SS and DSA-SS/CC] Public schools kitchens, without deep-fat fryers, shall be upgraded to a UL 300, Fire Testing of Fire Extinguishing Systems for Protection of Restaurant Cooking Equipment, compliant system during state funded modernization projects that are under the jurisdiction of the Division of the State Architect.
- Central station, proprietary, or remote station alarm service.
- Local alarm service that will cause the sounding of an audible signal at a constantly attended point.
- Locking valves open.
- Sealing of valves and approved weekly recorded inspection. [NFPA 96:10.2.10]
Exception: Solid-fuel cooking operations.
Detection devices that are bulb-type automatic sprinklers and fusible links other than the metal alloy type shall be examined and cleaned or replaced annually. [NFPA 96:11.2.5. 220.127.116.11, 11.2.6]
|TYPE OR VOLUME OF COOKING||INSPECTION
|Systems serving solid-fuel cooking operations.||Monthly|
|Systems serving high-volume cooking operations
such as 24-hour cooking, charbroiling, or
|Systems serving moderate-volume cooking
|Systems serving low-volume cooking operations,
such as churches, day camps, seasonal
businesses, or senior centers.
- Listings by a testing laboratory.
- Test data acceptable to the Authority Having Jurisdiction. [NFPA 96:12.1.1]
- The clearance requirements of Section 507.3.
- The hood shall comply with the requirements of Section 508.0.
- Grease removal devices shall comply with Section 509.0.
- The air movement requirements of Section 511.2.1 and Section 511.2.2.
- Auxiliary equipment (such as particulate and odor removal devices) shall comply with Section 512.0.
- Fire-extinguishing equipment shall comply with the
requirements of Section 513.0.
Exception: Fire-extinguishing equipment in accordance with Section 513.1 and Section 513.5.
- The use and maintenance requirements of Section 514.0.
- The minimum safety requirements of Section 515.0.
- The requirements of Section 516.0. [NFPA 96:13.1]
- Provisions shall be provided for latent heat and excessive moisture acceptable to the Authority Having Jurisdiction.
Exception: As permitted by the California Electrical Code.
- Capture and containment of vapors at published and labeled airflows.
- Grease discharge at the exhaust outlet of the system not to exceed an average of 2.9 E-09 (oz/in3) (5.0 E-06 kg/m3) of exhausted air sampled from that equipment at maximum amount of product that is capable of being processed over a continuous 8 hour test with the system operating at its minimum listed airflow.
- Listing and labeling of clearance to combustibles from the sides, top, and bottom.
- Electrical connection in the field in accordance with the California Electrical Code.
- Interlocks on removable components that lie in the path of airflow within the unit to ensure that they are in place during operation of the cooking appliance. [NFPA 96:13.2.12]
Exception: Solid-fuel cooking appliances listed for installation in confined spaces such as alcoves shall be installed in accordance with the terms of the listing and the manufacturer's installation instructions. [NFPA 96:14.2.3]
Exception: Cooking equipment not requiring automatic fire-extinguishing equipment (in accordance with Section 513.0) shall be permitted to be installed under a common hood with solid-fuel cooking equipment that is served by a duct system separate from other exhaust systems. [NFPA 96:14.3.5]
- The solid fuel holder (smoker box) shall be listed with the gas-operated equipment.
- The solid fuel holder shall be located underneath the gas burner.
- Spark arresters that are in accordance with Section 517.1.6 shall be provided.
- The maximum quantity of solid fuel consumed shall not exceed 4.5 pounds (2.04 kg) per hour per 100000 Btu/hr (29 k W) of gas burner capacity.
- The gas-operated equipment shall be protected by a fire suppression system listed for the equipment, including the solid fuel holder.
- Gas-operated equipment with integral solid fuel holder(s) intended for flavoring, such as a radiant charbroiler(s), shall comply with the requirements of UL 300 that address the gas radiant charbroiler(s) and mesquite wood charbroiler(s).
- A fire suppression system nozzle(s) shall be installed to protect the solid fuel holder.
- The fire suppression system shall be designed and installed to protect the entire cooking operation.
- The solid fuel holder shall be limited to a size of 2000 cubic inches (0.0328 m3), with no dimension to exceed 20 inches (508 mm).
- A maximum of one solid fuel holder for each 100000 Btu/hr (29 kW), or portion thereof, of burner capacity shall be permitted.
- The inspection frequency shall be the same as for solid fuel cooking operations in Table 514.3. [NFPA 96:14.3.4]
Exception: Where acceptable to the Authority Having Jurisdiction, solid-fuel cooking appliances constructed of solid masonry or reinforced portland or refractory cement concrete and vented in accordance with NFPA 211 shall not require fixed automatic fire-extinguishing equipment. [NFPA 96:14.7.1, 14.7.2]
Exception: Where acceptable to the Authority Having Jurisdiction, solid-fuel cooking appliances constructed of solid masonry or reinforced portland or refractory cement concrete and vented in accordance with NFPA 211 shall not require automatic fire-extinguishing equipment for the protection of grease removal devices, hoods, and duct systems. [NFPA 96:14.7.4]
- Where approved by the Authority Having Jurisdiction, fuel storage areas shall be permitted to be protected with a fixed water pipe system with a hose capable of reaching all parts of the area.
- In lieu of the sprinkler system outlined in Section 517.7.6, a listed 2-A rated water spray fire extinguisher or a 1.6 gallon (6.1 L) wet chemical fire extinguisher listed for Class K fires with a travel distance of not more than 20 feet (6096 mm) to the solid fuel piles shall be permitted to be used for a solid fuel pile, provided that the fuel pile does not exceed 5 cubic feet (0.14 m3). [NFPA 96:18.104.22.168 - 22.214.171.124]
- The clearance requirements in accordance with Section 507.3.
- The primary collection means designed for collecting cooking vapors and residues in accordance with the requirements of Section 508.0.
- Grease removal devices that comply with Section 509.0.
- Special-purpose filters as listed in accordance with UL 1046.
- Exhaust ducts that comply with Section 510.0.
- The air movement requirements in accordance with Section 511.2.1 and Section 511.2.2.
- Auxiliary equipment (such as particulate and odor removal devices) are in accordance with Section 512.0.
- Fire-extinguishing equipment that is in accordance with the requirements of Section 513.0, and as specified in Section 518.3.
- The use and maintenance requirements in accordance with Section 514.0.
- The minimum safety requirements in accordance with Section 515.0. [NFPA 96:15.1.1]
- Cooking surface, duct, and plenum protection shall be provided.
- Not less than one fusible link or heat detector shall be installed within an exhaust duct opening in accordance with the manufacturer's listing.
- A fusible link or heat detector shall be provided above the protected cooking appliance and in accordance with the extinguishing system manufacturer's listing.
- A manual activation device shall be provided as part of the appliance at a height approved by the Authority Having Jurisdiction.
- Portable fire extinguishers shall be installed in accordance with Section 513.11. [NFPA 96:15.2]