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Chapter 1 — GENERAL CODE PROVISIONS

106.6 Authority to Condemn.

California Mechanical Code (Title 24, Part 4) · 2025 edition · updated 2026-09-12 · California

Italicized text is a California amendment to the model code, as printed in the official publication.

Where the Authority Having Jurisdiction ascertains that a mechanical system or portion thereof, regulated by this code, has become hazardous to life, health, or property, or has become insanitary, the Authority Having Jurisdiction shall order in writing that such mechanical system either be removed or placed in a safe or sanitary condition. The order shall fix a reasonable time limit for compliance. No person shall use or maintain a defective mechanical system after receiving such notice.

Where such mechanical system is to be disconnected, written notice shall be given. In cases of immediate danger to life or property, such disconnection shall be permitted to be made immediately without such notice.

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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. 104.2 Items (1) through (5) of this code.
    2. 101.1 Title.
    3. 101.2 Scope.
    4. 101.3 Purpose.
    5. 101.4 Unconstitutional.
    6. 101.5 Validity.
    7. 102.1 Conflicts Between Codes.
    8. 102.2 Existing Installations.
    9. 102.3 Maintenance.
    10. 102.4 Additions, Alterations, Renovations, or Repairs.
    11. 102.5 Health and Safety.
    12. 102.6 Changes in Building Occupancy.
    13. 102.7 Moved Structures.
    14. 102.8 Appendices.
    15. 103.1 General.
    16. 103.2 Liability.
    17. 103.3 Applications and Permits.
    18. 103.4 Right of Entry.
    19. 104.1 Permits Required.
    20. 104.2 Exempt Work.
    21. 104.3 Application for Permit.
    22. 104.4 Permit Issuance.
    23. 104.5 Fees.
    24. 105.1 General.
    25. 105.2 Required Inspections.
    26. 105.3 Testing of Systems.
    27. 105.4 Connection to Service Utilities.
    28. 106.1 General.
    29. 106.2 Notices of Correction or Violation.
    30. 106.3 Penalties.
    31. 106.4 Stop Orders.
    32. 106.5 Authority to Disconnect Utilities in Emergen-cies.
    33. 106.6 Authority to Condemn.
    34. 107.1 General.
    35. 107.2 Limitations of Authority.
  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 — GEOTHERMAL ENERGY SYSTEMS AND AMBIENT TEMPERATURE…
  18. Chapter 18 — REFERENCED STANDARDS
  19. Appendix A — RESIDENTIAL PLAN EXAMINER REVIEW FORM FOR HVAC SY…
  20. Appendix B — PROCEDURES TO BE FOLLOWED TO PLACE GAS EQUIPMENT …
  21. Appendix C — INSTALLATION AND TESTING OF OIL (LIQUID) FUEL-FIR…
  22. Appendix D — FUEL SUPPLY: MANUFACTURED/MOBILE HOME PARKS AND R…
  23. Appendix E — SUSTAINABLE PRACTICES
  24. Appendix F — SIZING OF VENTING SYSTEMS AND OUTDOOR COMBUSTION …
  25. Appendix G — EXAMPLE CALCULATION OF OUTDOOR AIR RATE
  26. Appendix H — PROFESSIONAL QUALIFICATIONS
  27. Appendix I — INDOOR HORTICULTURAL FACILITIES
  28. Appendix J — CLEAN AIR DELIVERY

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