514.3 Inspection for Grease Buildup. The entire exhaust
California Mechanical Code (Title 24, Part 4) · 2022 edition · updated 2026-09-10 · California
Italicized text is a California amendment to the model code, as printed in the official publication.
system shall be inspected for grease buildup by a properly trained, qualified, and certified person(s) acceptable to the Authority Having Jurisdiction and in accordance with Table 514.3. [NFPA 96:11.4]
TABLE 514.3 SCHEDULE OF INSPECTION FOR GREASE BUILDUP
[NFPA 96: TABLE 11.4]
TYPE OR VOLUME OF COOKING |
INSPECTION |
|---|---|
Systems serving solid fuel cooking operations. |
Monthly |
Systems serving high-volume cooking opera- tions.1 |
Quarterly |
Systems serving moderate-volume cooking oper- ations. |
Semiannually |
Systems serving low-volume cooking opera- tions.2 |
Annually |
1 High-volume cooking operations include 24-hour cooking, charbroiling, and wok cooking.
2 Low-volume cooking operations include churches, day camps, seasonal businesses, and senior centers.
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Ask AI about this code▸Contents — California Mechanical Code (Title 24, Part 4)
- Chapter 1 — GENERAL CODE PROVISIONS
- Chapter 2 — DEFINITIONS
- Chapter 3 — GENERAL REGULATIONS
- Chapter 4 — VENTILATION AIR
▸Chapter 5 — EXHAUST SYSTEMS
Overview- 501.1 Applicability. This chapter includes requirements for
- 502.1 Exhaust Opening Protection. Exhaust openings
- 502.2 Termination of Exhaust Ducts. Exhaust ducts
- 503.1 General. Motors and fans shall be sized to provide
- 503.2 Fans. Parts of fans in contact with explosive or flammab…
- 504.1 General. Where not specified in this chapter, exhaust
- 504.2 Independent Exhaust Systems. Single or combined mechanic…
- 504.3 Domestic Range. Ducts used for domestic kitchen
- 504.4 Clothes Dryers. A clothes dryer exhaust duct shall not
- 504.5 Heat (Energy) Recovery Ventilators. Heat
- 504.6 Gypsum Wallboard Ducts. Bathroom and laundry
- 505.1 General. A mechanical ventilation or exhaust system
- 505.2 Incompatible Materials. Incompatible materials
- 505.3 Flammability Limit. Unless the circumstances stipulated …
- 505.4 Air-Moving Devices. Air-moving devices shall be
- 505.5 Generating Flames, Sparks, or Hot Materials.
- 505.6 Fire Dampers. Fire dampers shall be permitted to be
- 505.7 Fire Detection and Alarm Systems. Unless the
- 505.8 Product-Conveying Ducts Classification. Product-conveyin…
- 505.9 Minimum Velocities and Circulation. The velocity and cir…
- 505.10 Makeup Air. Makeup air shall be provided to replenish a…
- 505.11 Hoods and Enclosures. Hoods and enclosures shall
- 505.12 Pharmacies – Compounding Area of Par-
- 506.1 Materials. Materials used in product-conveying duct
- 506.2 Construction. Ducts used for conveying products
- 506.3 Penetrations. Exhaust ducts shall not pass through
- 506.4 Condensate. Joints in duct construction shall be liquidt…
- 506.5 Fittings. Fittings in Class 2, 3, and 4 systems shall be
- 506.6 Explosion Venting. Ducts conveying explosive dusts
- 506.7 Supports. Supports shall be of noncombustible materials,…
- 506.8 Fire Protection. Sprinklers or other fire-protection
- 506.9 Protection from Physical Damage. Ducts
- 506.10 Duct Clearances. Unless the conditions stipulated
- 506.11 Clearance Reduction Methods. It shall be permitted to p…
- 507.1 Type I Hood Exhaust System. Exhaust systems
- 507.2 Exhaust System. Cooking equipment used in
- 507.3 Listed Devices. Penetrations shall be sealed with
- 507.4 Clearance. Where enclosures are not required, hoods,
- 507.5 Drawings. A drawing(s) of the exhaust system installatio…
- 507.6 Notification of Change. If required by the Authority Hav…
- 507.7 Pharmaceutical Compounding Exhaust Dis-
- 508.1 Where Required. Type I hoods shall be installed at
- 508.2 Listed Type I Hood Assemblies. Listed hood
- 508.3 Construction of Type I Hoods. The hood or that
- 508.4 Supports. Hoods shall be secured in place [OSHPD
- 508.5 Hood Size. Hoods shall be sized in accordance with
- 508.6 Solid-Fuel Hood Assemblies. Where solid-fuel
- 508.7 Exhaust Outlets. An exhaust outlet within an
- 509.1 Grease Removal Devices. Listed grease filters or
- 509.2 Installation. The distance between the grease removal
- 509.3 Solid-Fuel Grease Removal Devices. Where
- 510.1 General. Ducts shall not pass through fire walls.
- 510.2 Clearance. Clearance between ducts and combustible
- 510.3 Openings. Openings shall be provided at the sides or
- 510.4 Listed Grease Ducts. Listed grease ducts shall be
- 510.5 Other Grease Ducts. Other grease ducts shall comply with…
- 510.6 Exterior Installations. The exterior portion of the
- 510.7 Interior Installations. In all buildings more than one
- 510.8 Underground Installations. Grease ducts installed
- 510.9 Termination of Type I Hood Exhaust System.
- 510.10 Solid-Fuel Duct Systems. Where solid-fuel cooking equip…
- 511.1 Exhaust Fans for Commercial Cooking Opera-
- 511.2 Airflow. The air velocity through a duct shall be not
- 511.3 Makeup Air. The makeup air quantity shall prevent
- 511.4 Common Duct (Manifold) Systems. Master
- 511.5 Solid-Fuel Air Movement Requirements. Where
- 512.1 Dampers. Dampers shall not be installed in exhaust
- 512.2 Electrical Equipment. Wiring systems of any type
- 512.3 Other Equipment. Fume incinerators, thermal recovery uni…
- 512.4 Solid-Fuel Auxiliary Equipment. Where solid fuel
- 513.1 General. Fire-extinguishing equipment for the protection…
- 513.2 Types of Equipment. Fire-extinguishing equipment
- 513.3 Simultaneous Operation. Fixed pipe extinguishing
- 513.4 Fuel and Electric Power Shutoff. Upon activation of
- 513.5 Manual Activation. All systems shall have both automatic…
- 514.2 Inspection, Testing, and Maintenance. Maintenance of the…
- 513.6 System Annunciation. Upon activation of an automatic fir…
- 513.7 Special Design and Application. Hoods containing
- 513.8 Review and Certification. Where required, complete
- 513.9 Installation Requirements. Installation of systems
- 513.10 Portable Fire Extinguishers. Portable fire extinguisher…
- 513.11 Maintenance. Portable fire extinguishers shall be
- 513.12 Solid-Fuel Fire-Extinguishing Equipment.
- 514.1 Operating Procedures. Exhaust systems shall be
- 514.3 Inspection for Grease Buildup. The entire exhaust
- 514.4 Cleaning of Exhaust Systems. If, upon inspection,
- 514.5 Cooking Equipment Maintenance. Inspection and
- 515.1 Cooking Equipment. Cooking equipment shall be
- 515.2 Operating Controls. Deep-fat fryers shall be equipped
- 516.1 General Requirements. Recirculating systems containing o…
- 516.2 Design Restrictions. All recirculating systems shall
- 516.3 Interlocks. The recirculating system shall be provided
- 516.4 Location and Application Restrictions. The
- 516.5 Additional Fire Safety Requirements. In addition to the …
- 516.6 Use and Maintenance. Automatic or manual covers on cooki…
- 517.1 Venting Application. Venting requirements of solidfuel c…
- 517.2 Location of Appliances. Every appliance shall be
- 517.3 Hoods for Solid-Fuel Cooking. Hoods shall be sized
- 517.4 Exhaust Systems for Solid-Fuel Cooking. Where
- 517.5 Grease Removal Devices for Solid-Fuel Cook-
- 517.6 Air Movement for Solid-Fuel Cooking. Exhaust
- 517.7 Fire-Extinguishing Equipment for Solid-Fuel
- 517.8 Other Safety Requirements. Metal-fabricated solidfuel co…
- 518.1 General. Downdraft appliance ventilation system
- 518.2 Ventilation System. The downdraft appliance ventilation …
- 518.3 Fire-Extinguishing Equipment. For fire-extinguishing equ…
- 518.4 Airflow Switch or Transducer. An airflow switch or
- 518.5 Surface Materials. Any surface located directly
- 519.1 Where Required. Type II hoods shall be installed
- 519.2 Construction of Type II Hoods. Type II hoods
- 519.3 Dishwashing Appliances. The net airflow for Type
- 519.4 Type II Exhaust Duct Systems. Ducts and
- 519.5 Termination of Type II Hood Exhaust System.
- 519.6 Makeup Air. Makeup air shall be provided in accordance w…
- Chapter 6 — DUCT SYSTEMS
- Chapter 7 — COMBUSTION AIR
- Chapter 8 — CHIMNEYS AND VENTS
- Chapter 9 — INSTALLATION OF SPECIFIC APPLIANCES
- Chapter 10 — BOILERS AND PRESSURE VESSELS
- Chapter 11 — REFRIGERATION
- Chapter 12 — HYDRONICS
- Chapter 13 — FUEL GAS PIPING
- Chapter 14 — PROCESS PIPING
- Chapter 15 — SOLAR ENERGY SYSTEMS
- Chapter 16 — STATIONARY POWER PLANTS
- Chapter 17 — REFERENCED STANDARDS
- Appendix A — RESIDENTIAL PLAN EXAMINER REVIEW FORM FOR HVAC SY…
- Appendix B — PROCEDURES TO BE FOLLOWED TO PLACE GAS EQUIPMENT …
- Appendix C — INSTALLATION AND TESTING OF OIL (LIQUID) FUEL-FIR…
- Appendix D — FUEL SUPPLY: MANUFACTURED/MOBILE HOME PARKS AND R…
- Appendix E — SUSTAINABLE PRACTICES
- Appendix F — GEOTHERMAL ENERGY SYSTEMS
- Appendix G — SIZING OF VENTING SYSTEMS AND OUTDOOR COMBUSTION …
- Appendix H — EXAMPLE CALCULATION OF OUTDOOR AIR RATE