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Appendix A — GUIDELINES FOR THE SEISMIC RETROFIT OF EXISTING BUILDINGS

Section A501 — REFERENCED STANDARDS

2025 California Existing Building Code (Title 24, Part 10) · 2025 edition · updated 2026-07-27 · California

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

A501.1 General.

See Table A501.1 for standards that are referenced in various sections of this appendix. Standards are listed by the standard identification with the effective date, standard title and the section or sections of this appendix that references the standard.

TABLE A501.1—REFERENCED STANDARDS

STANDARD ACRONYM STANDARD NAME SECTIONS HEREIN REFERENCED
AISC 341—22 Seismic Provisions for Structural Steel Buildings A403.10.1, A403.10.2
ASCE/SEI 7—22 Minimum Design Loads for Buildings and Other Structures with Supplement No. 1 A104.1, A205.1, A206.1, A206.2,
A206.3, A206.4, A206.7, A403.3
ASTM A36/A36M—19 Specification for Carbon Structural Steel A405.3.3
ASTM A653/A653M—20 Standard Specification for Steel Sheet, Zinc Coated (Galvanized)
or Zinc-Iron Alloy-Coated (Galvannealed) by Hot-Dip Process		 A304.2.6
ASTM B695—04(2009) Standard Specification for Coating of Zinc Mechanically Deposited on Iron and Steel A304.2.6
ASTM C67/C67M—21 Test Methods of Sampling and Testing Brick and Structural Clay Tile A106.2.3.1
ASTM C140/C140M—21 Standard Test Methods for Sampling and
Testing Concrete Masonry Units and Related Units		 A106.2.3.1
ASTM C496—96/
C496M—11		 Standard Test Method for Splitting Tensile Strength of Cylindrical Concrete Specimens A104.1, A106.2.3.3
ASTM C1531—15 Standard Test Methods for In Situ Measurement
of Masonry Mortar Joint Shear Strength Index		 A106.2.3.2
ASTM E488/E488M—15 Standard Test Methods for Strength of Anchors in Concrete and Masonry Elements A107.5.1, A107.5.3
ASTM E519/E519M—2010 Standard Test Method for Diagonal Tension (Shear) in Masonry Assemblages A104.1
CBC—01 California Building Code A202.1
CBC—07 California Building Code A202.1
CBC—10 California Building Code A202.1
CBC—13 California Building Code A202.1
CBC—16 California Building Code A202.1
CBC—19 California Building Code A202.1
CBC—22 California Building Code A202.1
CBC—25 California Building Code A102.2, A105.1, A105.4, A202.1,
A203.1, A204.1, A205.1, A205.3,
A205.3.1, A205.4, A301.3, A304.1.1,
A403.1, A405.1, A407.1, A407.2, A407.3
TMS 402—22 Building Code Requirements and Specification for Masonry Structures A105.4, Table A108.1(2)
UBC—97 Uniform Building Code A202.1

on Jul 18, 2025 11:14 AM (CDT) THEREUNDER.

APPENDIX A-54 2025 CALIFORNIA EXISTING BUILDING CODE

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CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE

APPENDIX B

SUPPLEMENTARY ACCESSIBILITY REQUIREMENTS FOR EXISTING BUILDINGS AND FACILITIES

Not adopted by the State of California (May be available for adoption by local ordinance. See Section 1.1.11.)

Adopting Agency BSC BSC-
CG		 SFM HCD DSA OSHPD BSCC DPH AGR DWR CEC CA SL SLC
Adopting Agency BSC BSC-
CG		 SFM 1 2 1/AC AC SS SS/CC 1 1R 2 3 4 5 6 6 6 6 6 6 6 6 6
Adopt Entire Chapter
Adopt Entire Chapter as
amended (amended
sections listed below)
Adopt only those sections
that are listed below
Chapter / Section

The state agency does not adopt sections identified with the following symbol: † The Office of the State Fire Marshal’s adoption of this chapter or individual sections is applicable to structures regulated by other state agencies pursuant to Section 1.11.

on Jul 18, 2025 11:14 AM (CDT) THEREUNDER.

APPENDIX B-2 2025 CALIFORNIA EXISTING BUILDING CODE

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▸ Contents — 2025 California Existing Building Code (Title 24, Part 10)
2025 California Existing Building Code (Title 24, Part 10)
  1. 104.11 for consideration of alternative means of compliance.
  2. Chapter 1 — ADMINISTRATION
  3. Chapter 2 — DEFINITIONS
  4. Chapter 3 — PROVISIONS FOR ALL COMPLIANCE METHODS
  5. Chapter 3A — PROVISIONS FOR ALL COMPLIANCE METHODS
  6. Chapter 4 — REPAIRS
  7. Chapter 4A — REPAIRS
  8. Chapter 5 — PRESCRIPTIVE COMPLIANCE METHOD
  9. Chapter 5A — PRESCRIPTIVE COMPLIANCE METHOD
  10. Chapter 6 — CLASSIFICATION OF WORK
  11. Chapter 7 — ALTERATIONS—LEVEL 1
  12. Chapter 8 — ALTERATIONS—LEVEL 2
  13. Chapter 9 — ALTERATIONS—LEVEL 3
  14. Chapter 10 — CHANGE OF OCCUPANCY
  15. Chapter 11 — ADDITIONS
  16. Chapter 12 — HISTORIC BUILDINGS
  17. Chapter 13 — PERFORMANCE COMPLIANCE METHODS
  18. Chapter 14 — RELOCATED OR MOVED BUILDINGS
  19. Chapter 15 — CONSTRUCTION SAFEGUARDS
  20. Chapter 16 — REFERENCED STANDARDS
  21. ▸ Appendix A — GUIDELINES FOR THE SEISMIC RETROFIT OF EXISTING B…
    Overview
    1. Section A100 — APPLICATION
    2. Section A101 — PURPOSE
    3. Section A102 — SCOPE
    4. Section A103 — DEFINITIONS
    5. Section A104 — SYMBOLS AND NOTATIONS
    6. Section A105 — GENERAL REQUIREMENTS
    7. Section A106 — MATERIALS REQUIREMENTS
    8. Section A107 — QUALITY CONTROL
    9. Section A108 — DESIGN STRENGTHS
    10. Section A109 — ANALYSIS AND DESIGN PROCEDURE
    11. Section A110 — GENERAL PROCEDURE
    12. Section A111 — SPECIAL PROCEDURE
    13. Section A112 — ANALYSIS AND DESIGN
    14. Section A113 — DETAILED BUILDING SYSTEM DESIGN REQUIREMENTS
    15. Section A114 — WALLS OF UNBURNED CLAY, ADOBE OR STONE MASONRY
    16. Section A201 — PURPOSE
    17. Section A202 — SCOPE
    18. Section A203 — DEFINITIONS
    19. Section A204 — SYMBOLS AND NOTATIONS
    20. Section A205 — GENERAL REQUIREMENTS
    21. Section A206 — ANALYSIS AND DESIGN
    22. Section A207 — MATERIALS OF CONSTRUCTION
    23. Section A301 — GENERAL
    24. Section A302 — DEFINITIONS
    25. Section A303 — STRUCTURAL WEAKNESSES
    26. Section A304 — STRENGTHENING REQUIREMENTS
    27. Section A401 — GENERAL
    28. Section A402 — DEFINITIONS
    29. Section A403 — ANALYSIS AND DESIGN
    30. Section A404 — PRESCRIPTIVE MEASURES FOR WEAK STORY
    31. Section A405 — MATERIALS OF CONSTRUCTION
    32. Section A406 — CONSTRUCTION DOCUMENTS
    33. Section A407 — QUALITY CONTROL
    34. Section A501 — REFERENCED STANDARDS
  22. Appendix B — SUPPLEMENTARY ACCESSIBILITY REQUIREMENTS FOR EXIS…
  23. Appendix C — GUIDELINES FOR THE WIND RETROFIT OF EXISTING BUIL…
  24. Appendix D — BOARD OF APPEALS
  25. Appendix E — TEMPORARY EMERGENCY USES
  26. Appendix A — GUIDELINES ON FIRE RATINGS OF ARCHAIC MATERIALS A…

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