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California Mechanical Code, Title 24, Part 4 (W/ SUPPLEMENT), 2022
- Cover
- California Mechanical Code, Title 24, Part 4 - SUPPLEMENT - 20240701
- Copyright
- PREFACE
- ACKNOWLEDGEMENTS
- RELATED PUBLICATIONS AND SERVICES
- TABLE OF CONTENTS
- California Code of Regulations Title 24 [Go to Page]
- Board of State and Community Corrections
- Department of Food and Agriculture
- California Building Standards Commission
- Department of Housing and Community Development
- California Energy Commission
- Energy Hotline
- California State Lands Commission
- California State Library
- Department of Consumer Affairs: Acupuncture Board
- Department of Public Health
- Department of Water Resources
- Board of Pharmacy
- Division of the State Architect
- Bureau of Barbering and Cosmetology
- Access Compliance Fire and Life Safety Structural Safety Sustainability
- Bureau of Household Goods and Services
- Structural Pest Control Board
- State Historical Building Safety Board
- Veterinary Medical Board
- California Code of Regulations Title 24 [Go to Page]
- Office of Statewide Health Planning and Development/ California Department of Health Care Access and Information (HCAI)
- Office of the State Fire Marshal
- [BSC]
- HOW TO DISTINGUISH MODEL CODE LANGUAGE FROM CALIFORNIA AMENDMENTS
- Important Notices and Disclaimers
- Updating IAPMO Codes
- TABLE OF CONTENTS
- CHAPTER 1 ADMINISTRATION DIVISION I CALIFORNIA ADMINISTRATION [Go to Page]
- 1.1.0 General. 1.1.1 Title.
- 1.1.2 Purpose.
- 1.1.3 Scope.
- 1.1.3.1 Nonstate-Regulated Buildings, Structures, and Applications.
- 1.1.3.2 State-Regulated Buildings, Structures, and Applications.
- Note:
- 1.1.4 Appendices.
- 1.1.5 Referenced Codes.
- 1.1.6 NonBuilding Standards, Orders and Regulations.
- 1.1.7 Order of Precedence and Use. 1.1.7.1 Differences.
- 1.1.7.2 Specific Provisions.
- 1.1.7.3 Conflicts.
- 1.1.7.3.1 Detached Oneand Two-Family Dwellings.
- 1.1.8 City, County, or City and County Amendments, Additions or Deletions.
- Exceptions:
- [HCD 1 & HCD 2]
- 1.1.10 Availability of Codes.
- 1.1.8.1 Findings and Filings.
- 1.1.11 Format.
- Exception:
- Note:
- 1.1.12 Validity.
- 1.1.8.2 California Energy Code Requirements for Locally Adopted Energy Standards.
- 1.2.0 Building Standards Commission. 1.2.1 BSC.
- (1) State Buildings for All Occupancies. Application
- 1.1.9 Effective Date of This Code.
- Enforcing Agency
- Authority Cited
- 1.2.2 BSC-CG.
- Reference
- (2) University of California, California State Universities, and California Community Colleges. Application
- (1) Green Building Standards for Nonresidential Occupancies. Application
- Enforcing Agency
- Authority Cited
- Reference
- (3) Existing State-Owned Buildings, including those owned by the University of California and by the California State University
- Reference
- (2) Graywater Systems for Nonresidential Occupancies. Application
- Enforcing Agency
- Authority Cited
- References
- Authority Cited
- (4) Unreinforced Masonry Bearing Wall Buildings. Application
- Reference
- 1.2.3 Alternative Materials, Design, and Methods of Construction and Equipment.
- Enforcing Agency
- Authority Cited
- References
- 1.2.1.1 State Building.
- 1.2.3.1 Research Reports.
- 1.2.1.2 Enforcement.
- 1.2.3.2 Tests.
- Exception:
- 1.2.1.3 Enforcement, Reserved for DGS. 1.2.1.4 Adopting Agency Identification.
- 1.3.0 Reserved for Corrections Standards Authority. 1.4.0 Department of Consumer Affairs. 1.4.1
- 1.8.2 Authority and Abbreviations. 1.8.2.1 General.
- Board of Pharmacy. Application
- 1.8.2.1.1 Housing Construction. Application
- Enforcing Agency
- Authority Cited
- References
- 1.4.2 Adopting Agency Identification.
- Enforcing Agency
- Authority Cited
- 1.5.0 Reserved for California Energy Commission. 1.6.0 Reserved for Department of Food and Agriculture. 1.7.0 California Departm
- References
- Department of Public Health. Application
- Enforcing Agency
- 1.8.2.1.2 Housing Accessibility. Application
- Authority Cited
- References
- 1.7.2 Adopting Agency Identification.
- 1.8.0 Department of Housing and Community Development [HCD]. 1.8.1 Purpose.
- Enforcing Agency
- Authority Cited
- References
- 1.8.3 Local Enforcing Agency. 1.8.3.1 Duties and Powers.
- Enforcing Agency
- Authority Cited
- References
- 1.8.3.2 Laws, Rules, and Regulations.
- 1.8.2.1.3 Permanent Buildings in Mobilehome Parks and Special Occupancy Parks. Application
- 1.8.3.2.1 State Housing Law.
- 1.8.4.2 Fees.
- 1.8.3.2.2 Mobilehome Parks Act.
- Exception:
- 1.8.4.3 Plan Review and Time Limitations.
- 1.8.3.2.3 Special Occupancy Parks Act.
- 1.8.4.3.1 Retention of Plans.
- Exception:
- 1.8.3.2.4 Employee Housing Act.
- Exceptions:
- 1.8.3.2.5 Factory-Built Housing Law.
- 1.8.4 Permits, Fees, Applications, and Inspections. 1.8.4.1 Permits.
- 1.8.4.4 Inspections.
- Exceptions:
- 1.8.5 Right of Entry for Enforcement. 1.8.5.1 General.
- 1.8.7 Alternate Materials, Designs, Tests, and Methods of Construction. 1.8.7.1 General.
- 1.8.7.2 Local Building Departments.
- 1.8.6 Local Modification by Ordinance or Regulation. 1.8.6.1 General.
- 1.8.7.2.1 Approval of Alternates.
- 1.8.6.2 Findings, Filings, and Rejections of Local Modifications.
- 1.8.8.2 Definitions.
- Housing Appeals Board.
- Local Appeals Board.
- 1.8.7.3 Department of Housing and Community Development.
- 1.8.8.3 Appeals.
- 1.8.9 Unsafe Buildings or Structures. 1.8.9.1 Authority to Enforce.
- 1.8.8 Appeals Board. 1.8.8.1 General.
- 1.8.10.2 Moved Structures.
- 1.9.0 Division of the State Architect. 1.9.1 Reserved for the Division of the State Architect – Access Compliance. 1.9.2 Divisio
- 1.8.9.2 Actions and Proceedings.
- Enforcing Agency
- Authority Cited
- References
- 1.9.2.1.1 Adopting Agency Identification.
- 1.9.2.2 DSA-SS/CC [Division of the State Architect – Structural Safety/Community Colleges]. Application
- Enforcing Agency
- 1.8.10 Other Building Regulations. 1.8.10.1 Existing Structures.
- Authority Cited
- References
- 1.10.2.1 Applicable Administrative Standards:
- 1.9.2.2.1 Adopting Agency Identification.
- 1.10.0 Office of Statewide Health Planning and Development. 1.10.1 OSHPD 1 and OSHPD 1R.
- 1.10.2.2 Applicable Building Standards.
- Authority Cited
- OSHPD 1 and OSHPD 1R Application
- References
- [OSHPD 1]
- [OSHPD 1R]
- 1.10.2.3 Adopting Agency Identification.
- Enforcing Agency
- 1.10.3 OSHPD 3.
- 1.10.1.1 Applicable Administrative Standards:
- OSHPD 3 Application
- Enforcing Agency
- 1.10.3.1 Applicable Administrative Standards.
- 1.10.1.2 Applicable Building Standards.
- Authority Cited
- References
- 1.10.3.2 Applicable Building Standards.
- 1.10.1.3 Adopting Agency Identification.
- Authority Cited
- References
- 1.10.2 OSHPD 2.
- 1.10.3.3 Adopting Agency Identification.
- OSHPD 2 Application
- 1.10.4 OSHPD 4.
- Enforcing Agency
- OSHPD 4 Application
- 1.11.0 Office of the State Fire Marshal. 1.11.1 SFM
- Office of the State Fire Marshal.
- Enforcing Agency
- Application: Institutional, Educational, or any Similar Occupancy.
- 1.10.4.1 Applicable Administrative Standards:
- Authority Cited
- Reference
- 1.10.4.2 Applicable Building Standards.
- Assembly or Similar Place of Assemblage.
- Authority Cited
- References
- 1.10.4.3 Adopting Agency Identification.
- Authority Cited
- Reference
- Small Family Day Care Homes. Authority Cited
- 1.10.5 OSHPD 5.
- Reference
- OSHPD 5 Application
- Large Family Day Care Homes. Authority Cited
- Enforcing Agency
- Reference
- Residential Facilities and Residential Facilities for the Elderly. Authority Cited
- 1.10.5.1 Applicable Administrative Standards.
- Reference
- Any State Institution or Other State-Owned or Specified State-Occupied Building. Specified State-Occupied Buildings.
- 1.10.5.2 Applicable Building Standards.
- Authority Cited
- References – Health and Safety Code Sections 129680, 1275 and 129675 through 130070. 1.10.5.3 Adopting Agency Identification.
- Fire Alarm Devices, Equipment, and Systems in Connection with any Occupancy. Authority Cited
- Reference
- Hazardous Materials. Authority Cited
- Reference
- Flammable and Combustible Liquids. Authority Cited
- Authority Cited
- Reference
- Public School Automatic Fire Detection, Alarm, and Sprinkler Systems. Authority Cited
- High-Rise Structures. Authority Cited
- Reference
- References
- Motion Picture Production Studios. Authority Cited
- Reference
- Wildland-Urban Interface Fire Area. Authority Cited
- Organized Camps. Authority Cited
- References
- Reference
- Residential.
- 1.11.2 Duties and Powers of the Enforcing Agency. 1.11.2.1 Enforcement. 1.11.2.1.1
- Authority Cited
- Reference
- Residential Care Facilities.
- Authority Cited
- Reference
- Tents, Awnings, or other Fabric Enclosures Used in Connection with any Occupancy. Authority Cited
- Reference
- 1.11.2.1.3
- 1.11.2.1.2
- 1.11.2.2 Right of Entry.
- 1.11.2.3 More Restrictive Fire and Panic Safety Building Standards. 1.11.2.3.1
- 1.11.2.3.2
- 1.11.2.3.3
- 1.11.3 Construction Documents. 1.11.3.1 Public Schools.
- 1.11.3.2 Movable Walls and Partitions.
- 1.11.3.3 New Construction High-Rise Buildings:
- 1.11.2.4 Request for Alternate Means of Protection.
- 1.11.3.4 Existing High-Rise Buildings:
- 1.11.2.5 Appeals.
- 1.11.3.5 Retention of Plans.
- 1.11.4 Fees. 1.11.4.1 Other Fees.
- 1.11.4.6 Requests of the Office of the State Fire Marshal.
- 1.11.4.2 Large Family Day Care.
- 1.11.5 Inspections.
- 1.11.4.3 High-Rise.
- 1.11.5.1 Existing Group I-1 or R Occupancies.
- 1.11.4.4 Fire Clearance Preinspection.
- 1.11.6 Certificate of Occupancy.
- Exception:
- 1.11.7 Temporary Structures and Uses.
- 1.11.8 Service Utilities.
- 1.11.9 Stop Work Order.
- 1.11.10 Unsafe Buildings, Structures, and Equipment.
- 1.11.11 Adopting Agency Identification.
- 1.11.4.5 Care Facilities.
- 1.12.0 Reserved for the State Librarian. 1.13.0 Reserved for the Department of Water Resources. 1.14.0 Reserved for the State La
- ADMINISTRATION
- CHAPTER 2 DEFINITIONS [Go to Page]
- [SFM]
- CHAPTER 3 GENERAL REGULATIONS [Go to Page]
- [OSHPD 2]
- CHAPTER 4 VENTILATION AIR
- CHAPTER 5 EXHAUST SYSTEMS
- CHAPTER 6 DUCT SYSTEMS [Go to Page]
- Exceptions:
- CHAPTER 7 COMBUSTION AIR
- CHAPTER 8 CHIMNEYS AND VENTS
- CHAPTER 9 INSTALLATION OF SPECIFIC APPLIANCES
- CHAPTER 10 BOILERS AND PRESSURE VESSELS
- CHAPTER 11 REFRIGERATION [Go to Page]
- Exception:
- 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
- ABBREVIATIONS IN TABLE 1701.1 AND TABLE 1701.2
- APPENDIX A RESIDENTIAL PLAN EXAMINER REVIEW FORM FOR HVAC SYSTEM DESIGN (Loads, Equipment, Ducts) [ACCA]
- APPENDIX B PROCEDURES TO BE FOLLOWED TO PLACE GAS EQUIPMENT IN OPERATION
- APPENDIX C INSTALLATION AND TESTING OF OIL (LIQUID) FUEL-FIRED EQUIPMENT
- APPENDIX D FUEL SUPPLY: MANUFACTURED/MOBILE HOME PARKS AND RECREATIONAL VEHICLE PARKS
- APPENDIX E SUSTAINABLE PRACTICES [Go to Page]
- Note: Shaded boxes do not apply for CAV systems.
- APPENDIX F GEOTHERMAL ENERGY SYSTEMS
- APPENDIX G SIZING OF VENTING SYSTEMS AND OUTDOOR COMBUSTION AND VENTILATION OPENING DESIGN
- APPENDIX H EXAMPLE CALCULATION OF OUTDOOR AIR RATE
- USEFUL TABLES CONVERSION TABLES
- INDEX
- HISTORY NOTE APPENDIX 2022 CALIFORNIA MECHANICAL CODE CALIFORNIA CODE OF REGULATIONS, TITLE 24, PART 4 [Go to Page]
