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Chapter 3 — PROVISIONS FOR ALL COMPLIANCE METHODS

Section 301A

California Existing Building Code (Title 24, Part 10) · 2022 edition · updated 2026-09-10 · California

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

ADMINISTRATION 301 A .1 Applicability. The provisions of this chapter shall control the alteration, repair, addition and change of occu- pancy of existing structures for applications listed in Sections 1.10.1 [OSHPD 1] regulated by the Office of Statewide Health Planning and Development (OSHPD). California Energy Commission, State Fire Marshal and DSA- AC requirements for existing structures shall be enforced by the Office of Statewide Health Planning and Development (OSHPD).

301 A .1.1 Bleachers, grandstands and folding and tele- scopic seating. Existing bleachers, grandstands and folding and telescopic seating shall comply with ICC 300. 301 A .2 Repairs. Repairs shall comply with the requirements of Chapter 4 A . 301 A .3 Alteration, addition or change of occupancy. The alteration, addition or change of occupancy of all existing buildings or structures shall comply with one of the methods or categories listed in Section 301 A .3.1, 301 A .3.2 or 301 A .3.3. Section 304A.3.2 applies to all methods or catego- ries. Sections 301 A .3.1 through 301 A .3.3 shall not be applied in combination with each other , except when permitted by the enforcement agency.

Exception: Subject to the approval of the enforcement agency, alterations complying with the laws in existence at the time the building or the affected portion of the building was built shall be considered in compliance with the provisions of this code. New structural members added as part of the alteration shall comply with the California Building Code . 301 A .3.1 Prescriptive compliance method. Alterations, additions and changes of occupancy complying with Chapter 5 A of this code for existing buildings or structures shall be considered in compliance with the provisions of this code. 301 A .3.2 Nonconforming buildings . Alterations, additions and changes of occupancy to existing buildings or structures designed in accordance with the Pre-1973 building code complying with Section 304A.3.1 and the applicable requirements herein shall be considered in compliance with the provisions of this code. 301 A .3.3 Performance- based method. Alterations, additions and changes of occupancy to existing buildings or

structures complying with Sections 304A.3.4 and 304A.3.5 of this code shall be considered in compliance with the provisions of this code. 301 A .4 Moved structures . Structures moved into or within the jurisdiction shall comply with the provisions of the Cali- fornia Building Code for new structures. 301 A .5 Compliance with accessibility. Accessibility requirements for existing buildings shall comply with the California Building Code, Part 2 Volume 1 Chapter 11B, Section 201 “Existing Buildings and Facilities.”

301A.6 Peer review requirements. Peer review requirements

shall comply with California Building Code Section 1617A.1.41.

301A.7 Earthquake monitoring instruments for existing

buildings. Earthquake monitoring instrumentation of existing buildings shall comply with Section 313A.

301A.8 Compliance alternatives for services/systems and

utilities . Compliance alternatives for services/systems and utilities shall comply with Section 310A.

301A.9 Compliance alternatives for means of egress. Means

of egress through existing buildings shall comply with Sec- tion 311A.

301A.10 Removal of hospital buildings from general acute

care services. Removal of hospital buildings from General Acute Care Services shall comply with Section 312A.

301A.11 Hospital buildings removed from general acute

care services. Hospital buildings removed from general acute care services shall comply with Section 312A.

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▸Contents — California Existing Building Code (Title 24, Part 10)
California Existing Building Code (Title 24, Part 10)
  1. Chapter 2 — DEFINITIONS
  2. Appendix A — GUIDELINES FOR
  3. Appendix B — SUPPLEMENTARY
  4. Appendix C — GUIDELINES FOR THE WIND
  5. Appendix D — BOARD OF
  6. Chapter 1 — SCOPE AND ADMINISTRATION
  7. ▸Chapter 3 — PROVISIONS FOR ALL COMPLIANCE METHODS
    Overview
    1. Section 301
    2. Section 302
    3. Section 304
    4. Section 303
    5. Section 305
    6. Section 306
    7. Section 309
    8. Section 310 — [OSHPD 1R, 2 and 5]
    9. Section 311 — [OSHPD 1R, 2 and 5]
    10. Section 307
    11. Section 308
    12. Section 312 — [OSHPD 1R]
    13. Section 313 — [SFM]
    14. Section 314 — [SFM]
    15. Section 315 — [SFM]
    16. Section 316 — [SFM]
    17. Section 317
    18. Section 319
    19. Section 318
    20. Section 320
    21. Section 321
    22. Section 322
    23. Section 323 — [DSA-SS, DSA-SS/CC]
    24. Section 301A
    25. Section 302A
    26. Section 303A
    27. Section 304A
    28. Section 305A
    29. Section 306A
    30. Section 307A — 309 A
    31. Section 310A
    32. Section 311A
    33. Section 312A
    34. Section 313A
  8. Chapter 4 — REPAIRS
  9. Chapter 5 — 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

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