Chapter 8-9 — MECHANICAL, PLUMBING AND ELECTRICAL REQUIREMENTS
Section 8-901 — PURPOSE, INTENT AND SCOPE
2025 California Historical Building Code (Title 24, Part 8) · 2025 edition · updated 2026-07-29 · California
8-901.1 Purpose. The purpose of the CHBC is to provide regulations for the mechanical, plumbing and electrical systems of buildings designated as qualified historical buildings or properties. The CHBC requires enforcing agencies to accept any reasonable equivalent solutions to the regular code when dealing with qualified historical buildings or properties.
8-901.2 Intent. The intent of the CHBC is to preserve the integrity of qualified historical buildings or properties while providing a reasonable level of protection from fire, health and life safety hazards (hereinafter referred to as safety hazards) for the building occupants.
8-901.3 Scope. The CHBC shall be applied in conjunction with the regular code whenever compliance with the regular code is required for qualified historical buildings or properties.
8-901.4 Safety hazard. No person shall permit any safety hazard to exist on premises under their control, or fail to take immediate action to abate such hazard. Existing systems which constitute a safety hazard when operational may remain in place, provided they are completely and permanently rendered inoperative. Safety hazards created by inoperative systems shall not be permitted to exist. Requirements of the regular code concerning general regulations shall be complied with, except that the enforcing agency shall accept solutions which do not cause a safety hazard.
8-901.5 Energy conservation. Qualified historical buildings or properties covered by this part are exempted from compliance with energy conservation standards. When new nonhistorical lighting and space conditioning system components, devices, appliances and equipment are installed, they shall comply with the requirements of Title 24, Part 6, The California Energy Code, except where the historical significance or character-defining features are threatened.
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- Chapter 8-1 — ADMINISTRATION
- Chapter 8-2 — DEFINITIONS
- Chapter 8-3 — USE AND OCCUPANCY
- Chapter 8-4 — FIRE PROTECTION
- Chapter 8-5 — MEANS OF EGRESS
- Chapter 8-6 — ACCESSIBILITY
- Chapter 8-7 — STRUCTURAL REGULATIONS
- Chapter 8-8 — ARCHAIC MATERIALS AND METHODS OF CONSTRUCTION
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▸ Chapter 8-9 — MECHANICAL, PLUMBING AND ELECTRICAL REQUIREMENTS
- Chapter 8-10 — QUALIFIED HISTORICAL DISTRICTS, SITES AND OPEN …