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Chapter 1 — GENERAL CODE PROVISIONS

104.5 Fees. Fees shall be assessed in accordance with the

California Mechanical Code (Title 24, Part 4) · 2019 edition · updated 2026-09-10 · California

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

provisions of this section and as set forth in the fee schedule, Table 104.5. The fees are to be determined and adopted by this jurisdiction.

(2) Rough-in inspection shall be made prior to the installa tion of wall or ceiling membranes. (3) Final inspection shall be made upon completion of the

installation.

104.5.1 Work Commencing Before Permit Issuance. Where work for which a permit is required by this code has been commenced without first obtaining said permit, a special investigation shall be made before a permit is issued for such work. 104.5.2 Investigation Fees. An investigation fee, in addition to the permit fee, shall be collected whether or not a permit is then or subsequently issued. The investigation fee shall be equal to the amount of the permit fee that is required by this code if a permit were to be issued. The payment of such investigation fee shall not exempt a person from compliance with other provisions of this code, nor from a penalty prescribed by law. 104.5.3 Fee Refunds. The Authority Having Jurisdiction shall be permitted to authorize the refunding of a fee as follows: (1) The amount paid hereunder that was erroneously

paid or collected.

(1) The amount paid hereunder that was erroneously

paid or collected. (2) Refunding of not more than a percentage, as deter mined by this jurisdiction where no work has been

(2) Refunding of not more than a percentage, as deter mined by this jurisdiction where no work has been done under a permit issued in accordance with this code. The Authority Having Jurisdiction shall not authorize refunding of a fee paid except upon written application filed by the original permittee not to exceed 180 days after the date of fee payment.

Final inspection shall be made upon completion of the

installation. 105.2.1 Uncovering. Where a mechanical system, or part thereof, which is installed, altered, or repaired, is covered or concealed before being inspected, tested, and approved as prescribed in this code, it shall be uncovered for inspection after notice to uncover the work has been issued to the responsible person by the Authority Having Jurisdiction. The requirements of this section shall not be considered to prohibit the operation of mechanical systems installed to replace existing equipment serving an occupied portion of the building in the event a request for inspection of such equipment has been filed with the Authority Having Jurisdiction not more than 72 hours after such replacement work is completed, and before a portion of such mechanical system is concealed by a permanent portion of the building. 105.2.2 Other Inspections. In addition to the inspections required by this code, the Authority Having Jurisdiction shall be permitted to require other inspections to ascertain compliance with the provisions of this code and other laws that are enforced by the Authority Having Jurisdiction. 105.2.3 Inspection Requests. It shall be the duty of the person doing the work authorized by a permit to notify the Authority Having Jurisdiction that such work is ready for inspection. The Authority Having Jurisdiction shall be permitted to require that a request for inspection be filed not less than 1 working day before

22 2019 CALIFORNIA MECHANICAL CODE

DIVISION II ADMINISTRATION

such inspection is desired. Such request shall be permitted to be made in writing or by telephone, at the option of the Authority Having Jurisdiction.

It shall be the duty of the person requesting inspections in accordance with this code to provide access to and means for inspection of such work. 105.2.4 Advance Notice. It shall be the duty of the person doing the work authorized by the permit to notify the Authority Having Jurisdiction, orally or in writing that said work is ready for inspection. Such notification shall be given not less than 24 hours before the work is to be inspected. 105.2.5 Responsibility. It shall be the duty of the holder of a permit to make sure that the work will stand the test prescribed before giving the notification.

The equipment, material, and labor necessary for inspection or tests shall be furnished by the person to whom the permit is issued or by whom inspection is requested. 105.2.6 Reinspections. A reinspection fee shall be permitted to be assessed for each inspection or reinspection where such portion of work for which inspection is called is not complete or where required corrections have not been made.

This provision shall not be interpreted as requiring reinspection fees the first time a job is rejected for failure to be in accordance with the requirements of this code, but as controlling the practice of calling for inspections before the job is ready for inspection or reinspection.

Reinspection fees shall be permitted to be assessed where the approved plans are not readily available to the inspector, for failure to provide access on the date for which the inspection is requested, or for deviating from plans requiring the approval of the Authority Having Jurisdiction.

To obtain reinspection, the applicant shall file an application therefore in writing upon a form furnished for that purpose and pay the reinspection fee in accordance with Table 104.5.

code. Joints and connections in the mechanical system shall be airtight, gastight, or watertight for the pressures required by the test.

105.3.1 Defective Systems. In buildings or premises condemned by the Authority Having Jurisdiction because of an insanitary condition of the mechanical system, or part thereof, the alterations in such system shall be in accordance with the requirements of this code. 105.3.2 Retesting. Where the Authority Having Jurisdiction finds that the work will not pass the test, necessary corrections shall be made, and the work shall be resubmitted for test or inspection. 105.3.3 Approval. Where prescribed tests and inspections indicate that the work is in accordance with this code, a certificate of approval shall be issued by the Authority Having Jurisdiction to the permittee on demand.

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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.101.0 General. This document shall be known as the…
    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.102.0 Applicability. Where the r…
    7. 102.2 Existing Installations. Mechanical systems lawfully in e…
    8. 102.3 Maintenance. Mechanical systems, materials, and
    9. 102.4 Additions, Alterations, Renovations, orRepairs. Addition…
    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. 103.0 Duties and Powers of the Authority Having
    15. 103.2 Liability. The Authority Having Jurisdiction charged
    16. 103.3 Applications and Permits. The Authority Having
    17. 104.1 Permits Required. 104.0 Permits. It shall be unlawful fo…
    18. 104.2 Exempt Work. A permit shall not be required for the
    19. 103.4 Right of Entry. Where it is necessary to make an
    20. 104.3 Application for Permit. To obtain a permit, the
    21. 104.4 Permit Issuance. The application, construction documents…
    22. 105.2 Required Inspections. New mechanical system
    23. 104.5 Fees. Fees shall be assessed in accordance with the
    24. 105.4 Connection to Service Utilities. No person shall
    25. 106.2 Notices of Correction or Violation. Notices of
    26. 106.3 Penalties. A person, firm, or corporation violating a
    27. 106.4 Stop Orders. Where work is being done contrary to
    28. 105.3 Testing of Systems. Mechanical systems shall be
    29. 106.6 Authority to Condemn. Where the Authority Having Jurisdi…
    30. 107.0 Board of Appeals.107.1 General. In order to hear and dec…
    31. 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 — SIZING OF VENTING SYSTEMS AND OUTDOOR COMBUSTION …
  24. Appendix G — EXAMPLE CALCULATION OF OUTDOOR AIR RATE

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