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Chapter 8-8 — ARCHAIC MATERIALS AND METHODS OF CONSTRUCTION

Section 8-801 — PURPOSE, INTENT AND SCOPE

2025 California Historical Building Code (Title 24, Part 8) · 2025 edition · updated 2026-07-29 · California

8-801.1 Purpose. The purpose of the CHBC is to provide regulations for the use of historical methods and materials of construction that are at variance with regular code requirements or are not otherwise codified, in buildings or structures designated as qualified historical buildings or properties. The CHBC require enforcing agencies to accept any reasonably equivalent alternatives to the regular code when dealing with qualified historical buildings or properties.

8-801.2 Intent. It is the intent of the CHBC to provide for the use of historical methods and materials of construction that are at variance with specific code requirements or are not otherwise codified.

8-801.3 Scope. Any construction type or material that is, or was, part of the historical fabric of a structure is covered by this chapter. Archaic materials and methods of construction present in a historical structure may remain or be reinstalled or be installed with new materials of the same class to match existing conditions.

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▸ Contents — 2025 California Historical Building Code (Title 24, Part 8)
2025 California Historical Building Code (Title 24, Part 8)
  1. Chapter 8-1 — ADMINISTRATION
  2. Chapter 8-2 — DEFINITIONS
  3. Chapter 8-3 — USE AND OCCUPANCY
  4. Chapter 8-4 — FIRE PROTECTION
  5. Chapter 8-5 — MEANS OF EGRESS
  6. Chapter 8-6 — ACCESSIBILITY
  7. Chapter 8-7 — STRUCTURAL REGULATIONS
  8. ▸ Chapter 8-8 — ARCHAIC MATERIALS AND METHODS OF CONSTRUCTION
    Overview
    1. Section 8-801 — PURPOSE, INTENT AND SCOPE
    2. Section 8-802 — GENERAL ENGINEERING APPROACHES
    3. Section 8-803 — NONSTRUCTURAL ARCHAIC MATERIALS
    4. Section 8-804 — ALLOWABLE CONDITIONS FOR SPECIFIC MATERIALS
    5. Section 8-805 — MASONRY
    6. Section 8-806 — ADOBE
    7. Section 8-807 — WOOD
    8. Section 8-808 — CONCRETE
    9. Section 8-809 — STEEL AND IRON
    10. Section 8-810 — HOLLOW CLAY TILE
    11. Section 8-811 — VENEERS
    12. Section 8-812 — GLASS AND GLAZING
  9. Chapter 8-9 — MECHANICAL, PLUMBING AND ELECTRICAL REQUIREMENTS
  10. Chapter 8-10 — QUALIFIED HISTORICAL DISTRICTS, SITES AND OPEN …

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