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Chapter 1 — GENERAL CODE PROVISIONS

102.7 Moved Structures. Parts of the mechanical system of

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.

a building and part thereof that is moved from one foundation to another, or from one location to another, shall be in accordance with the provisions of this code for new installations and completely tested as prescribed elsewhere in this section for new work, except that walls or floors need not be removed during such test where equivalent means of inspection acceptable to the Authority Having Jurisdiction are provided.

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▸Contents — California Mechanical Code (Title 24, Part 4)
California Mechanical Code (Title 24, Part 4)
  1. ▸Chapter 1 — GENERAL CODE PROVISIONS
    Overview
    1. 101.1 Title. This document shall be known as the “Uniform
    2. 101.2 Scope. The provisions of this code shall apply to the
    3. 101.3 Purpose. This code is an ordinance providing minimum req…
    4. 101.4 Unconstitutional. Where a section, subsection, sentence,…
    5. 101.5 Validity. Where a provision of this code, or the applica…
    6. 102.1 Conflicts Between Codes. Where the requirements
    7. 102.2 Existing Installations. Mechanical systems lawfully in e…
    8. 102.3 Maintenance. Mechanical systems, materials, and
    9. 102.4 Additions, Alterations, Renovations, or
    10. 102.5 Health and Safety. Where compliance with the provisions …
    11. 102.6 Changes in Building Occupancy. Mechanical
    12. 102.7 Moved Structures. Parts of the mechanical system of
    13. 102.8 Appendices. The provisions in the appendices are
    14. 103.1 General. The Authority Having Jurisdiction shall be
    15. 103.2 Liability. The Authority Having Jurisdiction charged
    16. 103.3 Applications and Permits. The Authority Having
    17. 103.4 Right of Entry. Where it is necessary to make an
    18. 104.1 Permits Required. It shall be unlawful for a person,
    19. 104.2 Exempt Work. A permit shall not be required for the
    20. 104.3 Application for Permit. To obtain a permit, the
    21. 104.4 Permit Issuance. The application, construction documents…
    22. 104.5 Fees. Fees shall be assessed in accordance with the
    23. 105.1 General. Mechanical systems for which a permit is
    24. 105.2 Required Inspections. New mechanical system
    25. 105.3 Testing of Systems. Mechanical systems shall be
    26. 105.4 Connection to Service Utilities. No person shall
    27. 106.1 General. It shall be unlawful for a person, firm, or
    28. 106.2 Notices of Correction or Violation. Notices of
    29. 106.3 Penalties. A person, firm, or corporation violating a
    30. 106.4 Stop Orders. Where work is being done contrary to
    31. 106.5 Authority to Disconnect Utilities in Emergen-
    32. 106.6 Authority to Condemn. Where the Authority Having Jurisdi…
    33. 107.1 General. In order to hear and decide appeals of orders,
    34. 107.2 Limitations of Authority. The Board of Appeals
  2. Chapter 2 — DEFINITIONS
  3. Chapter 3 — GENERAL REGULATIONS
  4. Chapter 4 — VENTILATION AIR
  5. Chapter 5 — EXHAUST SYSTEMS
  6. Chapter 6 — DUCT SYSTEMS
  7. Chapter 7 — COMBUSTION AIR
  8. Chapter 8 — CHIMNEYS AND VENTS
  9. Chapter 9 — INSTALLATION OF SPECIFIC APPLIANCES
  10. Chapter 10 — BOILERS AND PRESSURE VESSELS
  11. Chapter 11 — REFRIGERATION
  12. Chapter 12 — HYDRONICS
  13. Chapter 13 — FUEL GAS PIPING
  14. Chapter 14 — PROCESS PIPING
  15. Chapter 15 — SOLAR ENERGY SYSTEMS
  16. Chapter 16 — STATIONARY POWER PLANTS
  17. Chapter 17 — REFERENCED STANDARDS
  18. Appendix A — RESIDENTIAL PLAN EXAMINER REVIEW FORM FOR HVAC SY…
  19. Appendix B — PROCEDURES TO BE FOLLOWED TO PLACE GAS EQUIPMENT …
  20. Appendix C — INSTALLATION AND TESTING OF OIL (LIQUID) FUEL-FIR…
  21. Appendix D — FUEL SUPPLY: MANUFACTURED/MOBILE HOME PARKS AND R…
  22. Appendix E — SUSTAINABLE PRACTICES
  23. Appendix F — GEOTHERMAL ENERGY SYSTEMS
  24. Appendix G — SIZING OF VENTING SYSTEMS AND OUTDOOR COMBUSTION …
  25. Appendix H — EXAMPLE CALCULATION OF OUTDOOR AIR RATE

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