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Chapter 3 — PROVISIONS FOR ALL COMPLIANCE METHODS

Section 316 — [SFM]

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.

316.1 Repairs general. Additions, alterations or repairs may

be made to any building or structure without requiring the existing building or structure to comply with all the require- ments of this code section, provided the addition, alteration or repair conforms to the requirements of this section.

316.2 Unsafe condition. Additions, repairs or alterations

shall not be made to an existing building or structure that will cause the existing building or structure to be in violation of any of the provisions of this code, nor shall such additions or alterations cause the existing building or structure to become unsafe, or to be in violation of any of the provisions of this code. An unsafe condition shall be deemed to have been cre- ated if an addition or alteration will cause the existing build- ing or structure to become structurally unsafe or overloaded; will not provide adequate egress in compliance with the pro- visions of this code or will obstruct existing exits; will create a fire hazard; will reduce required fire resistance or will oth- erwise create conditions dangerous to human life.

316.3 Changes in use or occupancy. Any buildings that have

alternations or additions, which involves a change in use or occupancy, shall not exceed the height, number of stories and area permitted for new buildings

316.4 Buildings not in compliance with code. Additions or

alterations shall not be made to an existing building or struc- ture when such existing building or structure is not in full compliance with the provisions of this code except when such addition or alteration will result in the existing building or structure being no more hazardous, based on life safety, fire safety and sanitation, than before such additions or alter- ations are undertaken.

316.5 Maintenance of structural and fire resistive integrity.

Alterations or repairs to an existing building or structure that are nonstructural and do not adversely affect any structural member of any part of the building or structure having required fire resistance may be made with the same materials of which the building or structure is constructed. The instal- lation or replacement of glass shall be as required for new installations.

316.6 Continuation of existing use. Buildings in existence at

the time of the adoption of this code may have their existing use or occupancy continued if such use or occupancy was legal at the time of the adoption of this code, provided such continued use is not dangerous to life.

316.7 Maximum allowable quantities. Laboratory suites

approved prior to January 1, 2008 shall not exceed the maxi- mum allowable quantities listed in Tables 316.1 and 316.2.

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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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