Chapter 10 — BOILERS AND PRESSURE VESSELS
1013.1 General.1013.0 Inspections and Tests. An installation for which a permit is
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.
required shall not be put into service until it has been inspected and approved by the Authority Having Jurisdiction.
Power boilers that do not exceed one of the following limits: (1) 5 000 000 Btu/h input (1464 kW) (2) 5000 pounds steam per hour (0.6299 kg/s) capacity (3) 1000 square foot (92.9 m 2 ) heating surface
It shall be the duty of the owner or his authorized representative to notify the Authority Having Jurisdiction that the installation is ready for inspection and test. It also shall be the duty of the owner or his authorized representative to post in a conspicuous position on the installation a notice in substantially the following form: “Warning! This installation has not been inspected and approved by the Authority Having Jurisdiction and shall not be covered or concealed until so inspected and approved,” and it shall be unlawful for anyone other than the Authority Having Jurisdiction to remove such notice. The Authority Having Jurisdiction shall require such tests as it deems necessary to determine that the installation is in accordance with the provision of this section. Such tests shall be made by the owner or his authorized representative in the presence of the Authority Having Jurisdiction. Exception: On installations designed and supervised by a registered design professional, the Authority Having Jurisdiction shall have the authority to permit inspection and testing by such registered design professional.
Boilers with manholes on top of the boiler, except those described in Section 1010.2 and Section 1010.4, shall have a clearance of not less than 3 feet (914 mm) from the top of the boiler to the ceiling. Hot-Water-Heating Boilers.1010.4 Package Boilers, Steam-Heating Boilers, and Package boilers, steam-heating boilers, and hot-water-heating boilers with no manhole on top of the shell and not exceeding one of the above limits shall have a clearance of not less than 2 feet (610 mm) from the ceiling.
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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
- 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
Overview- 1001.0 General.1001.1 Applicability. The requirements of this …
- 1001.2 Boiler Rooms and Enclosures. Boiler rooms and
- 1001.3 Air for Combustion and Ventilation. Air for
- 1001.4 Drainage. For heating or hot-water-supply boiler
- 1001.5 Mounting. Equipment shall be set or mounted on a
- 1001.6 Chimneys or Vents. Boilers shall be connected to
- 1002.1 General.1002.0 Standards. Pressure vessels shall be con…
- 1002.2 Oil-Burning Boilers. Oil-burning boilers shall
- 1002.3 Electric Boilers. Electric boilers shall be listed and
- 1002.4 Solid-Fuel-Fired Boilers. Solid-fuel-fired boilers
- 1002.5 Dual Purpose Water Heater. Water heaters utilized for c…
- 1003.1 Safety Requirements.1003.0 Detailed Requirements. The c…
- 1003.2 Controls. Required electrical, mechanical, safety,
- 1004.4 Minimum Capacity of Closed-Type Tank. The
- 1003.3 Gauges. Steam boilers shall be provided with a
- 1003.4 Stack Dampers. Stack dampers on boilers fired
- 1003.5 Welding. Welding on pressure vessels shall be done
- 1004.1 General.1004.0 Expansion Tanks. An expansion tank shall…
- 1004.2 Open-Type Expansion Tanks. Open type expansion tanks sh…
- 1004.3 Closed-Type Systems. Closed-type systems shall
- 1005.2 Discharge Piping. The discharge piping serving a
- 1005.5 Vacuum Relief Valve. Hot-water heating systems
- 1008.0 Low-Water Cutoff.1008.1 General. Hot water boilers and …
- 1005.3 Splash Shield. Where the operating temperature
- 1005.4 Hazardous Discharge. Where the discharge from
- 1010.1 General. 1010.0 Clearance for Access. Where boilers are…
- 1010.2 Power Boilers. Power boilers having a steam-generating …
- 1010.3 Steam-Heating Boilers, Hot Water Boilers, andPower Boil…
- 1012.1 General.1012.0 Operating Adjustments and Instructions. …
- 1013.1 General.1013.0 Inspections and Tests. An installation f…
- 1011.1 General. 1011.0 Boilers, Stokers, and Steam Generators.…
- 1013.2 Operating Permit. It shall be unlawful to operate a
- 1013.3 Maintenance Inspection. The Authority Having
- 1013.4 Power and Miniature Boilers. Power boilers and
- 1013.6 Automatic Steam-Heating Boilers. Automatic
- 1013.7 Unfired Pressure Vessels. Unfired pressure vessels shal…
- 1014.1 General. Pressure Vessels. 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 — SIZING OF VENTING SYSTEMS AND OUTDOOR COMBUSTION …
- Appendix G — EXAMPLE CALCULATION OF OUTDOOR AIR RATE