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Appendix E — TEMPORARY EMERGENCY USES

Section E107 — USE OF SPECIFIC 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.

E107.1 Increased occupant load.

Allowing for additional occupants in existing buildings shall comply with Sections E107.1.1 through E107.1.3.

E107.1.1 Authorization. The code official is authorized to allow for an increase in the number of occupants or a change of use in a building or portion of a building during an emergency.

E107.1.2 Maintenance of the means of egress. The existing means of egress shall be maintained.

E107.1.3 Sleeping areas. Where a space is used for sleeping purposes, the space shall be equipped with smoke alarms in accordance with Sections 907.2.6.2 and 907.2.11 of the California Fire Code or be provided with a fire watch in accordance with Section 403.11.1 of the California Fire Code . Carbon monoxide alarms shall be installed in accordance with Section 915 of the California Fire Code where the structure uses any fossil fuel or wood burning appliances.

E107.2 Temporary health care facilities.

Temporary health care facilities shall comply with Sections E107.2.1 and E107.2.2.

E107.2.1 General. Temporary health care facilities shall be erected, maintained and operated to minimize the possibility of a fire emergency requiring the evacuation of occupants. E107.2.2 Membrane structures under projections. Membrane structures of less than 100 square feet (9.3 m [2] ) shall be permitted to be placed under projections of a permanent building, provided the permanent building is protected with an automatic sprinkler system installed in accordance with Section 903.3.1.1 of the California Fire Code .

E107.3 Use of tiny houses or manufactured homes.

Tiny houses or manufactured homes used for temporary housing shall comply with Sections E107.3.1 through E107.3.5.

E107.3.1 Fire separation distances. Tiny houses or manufactured homes shall be separated by not less than 5 feet (1524 mm) between structures.

E107.3.2 Fire breaks. Tiny houses and manufactured homes shall not be located in groups of more than 20 units. Fire breaks of at least 20 feet (6096 mm) shall be provided between each group.

E107.3.3 Smoke alarms. Tiny houses and manufactured homes used for sleeping purposes shall be equipped with a smoke alarm complying with Section 907.2.11 of the California Fire Code . Smoke alarms are not required to be hard wired.

E107.3.4 Carbon monoxide alarms. Carbon monoxide alarms shall be installed in accordance with Section 915 of the California Fire Code, where the tiny house or manufactured home uses any fossil fuel or wood-burning appliances.

E107.3.5 Structures located in a wildland-urban interface zone. Tiny houses and manufactured homes that are located in a wildland-urban interface area shall be provided with defensible space in accordance with Section 603 of the California Wildland- Urban Interface Code .

APPENDIX E-4 2025 CALIFORNIA EXISTING BUILDING CODE

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

APPENDIX E—TEMPORARY EMERGENCY USES

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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…
  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
    Overview
    1. Section E101 — GENERAL
    2. Section E102 — DEFINITIONS
    3. Section E103 — SUBMITTAL DOCUMENTS
    4. Section E104 — CONFORMANCE
    5. Section E105 — PERMITS
    6. Section E106 — GENERAL STANDARDS FOR EMERGENCY USES
    7. Section E107 — USE OF SPECIFIC STANDARDS
    8. Section E108 — REFERENCED STANDARDS
  26. Appendix A — GUIDELINES ON FIRE RATINGS OF ARCHAIC MATERIALS A…

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