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Chapter 3 — PROVISIONS FOR ALL COMPLIANCE METHODS

Section 315

California Existing Building Code (Title 24, Part 10) · 2019 edition · updated 2026-09-10 · California

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

EXISTING GROUP I OCCUPANCIES [SFM]

315.1 General. Existing buildings housing existing protective

social-care homes or facilities established prior to March 4, 1972 may have their use continued if they conform, or are made to conform, to the following provisions:

315.2 Use of floors. The use of floor levels in buildings of

Type III, IV or V nonfire-rated construction may be as fol- lows: Nonambulatory—first floor only; Ambulatory—not higher than the third-floor level, provided walls and parti- tions are constructed of materials equal in fireresistive qual- ity to that of wood lath and plaster in good repair and all walls are firestopped at each floor level.

315.3 Enclosure of exits and vertical openings. Except for

two-story structures housing ambulatory guests, all interior stairs shall be enclosed in accordance with Chapter 10 of the California Building Code. In lieu of stairway enclosures, floor separations or smoke barriers may be provided in such a manner that fire and smoke will not spread rapidly to floors above or otherwise impair exit facilities. In these instances, floor separations or smoke barriers shall have a fire resis- tance equal to not less than 1 /2-inch (13 mm) gypsum wall board on each side of wood studs with openings protected by not less than a 1 3 /4-inch (44.5 mm) solid bonded wood-core door of the self-closing type. All other vertical openings shall be enclosed in accordance with the provisions of Section 314.6 and 314.13.

315.4 Exit access. Each floor or portion thereof of buildings

used for the housing of existing protective social-care homes or facilities shall have access to not less than two exits in such a manner as to furnish egress from the building or struc- ture in the event of an emergency substantially equivalent to the provisions of Chapter 10 of the California Building Code.

315.5 Corridor openings. Openings from rooms to interior

corridors shall be protected by not less than 1 3 /4-inch (44.5 mm) solid-bonded wood-core doors. Transoms and other similar openings shall be sealed with materials equivalent to existing corridor wall construction.

315.6 Interior finishes. Interior wall and ceiling finishes

shall conform to the requirements for a Group R-1 Occu- pancy as specified in Chapter 8 of the California Building Code.

315.7 Automatic fire sprinklers. Automatic sprinkler systems

shall be installed in existing protective social-care occupan- cies in accordance with the provisions of Section 903.2.6 of the California Building Code.

Copyright © 2019 ICC. ALL RIGHTS RESERVED. Accessed by Kevin Day (kevin.day@dgs.ca.gov), (California Building Standards Commission) Order Number #100735044 on Jul 24, 2019 03:54 PM (PDT) pursuant to License Agreement with ICC. No further reproduction or distribution authorized. Single user only, copying and networking prohibited. ANY UNAUTHORIZED REPRODUCTION OR DISTRIBUTION IS A VIOLATION OF THE FEDERAL COPYRIGHT ACT AND THE LICENSE AGREEMENT, AND SUBJECT TO CIVIL AND CRIMINAL PENALTIES THEREUNDER.

100735044

PROVISIONS FOR ALL COMPLIANCE METHODS

315.8 Fire alarm systems. Automatic fire alarm systems shall

be installed in existing protective social-care homes or facili- ties in accordance with the provisions of Section 907.2.6 of the California Building Code.

Exception: When an approved automatic sprinkler system conforming to Section 903.2.6 of the California Building Code is installed, a separate fire alarm system as specified in this section need not be provided.

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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
  5. Chapter 1 — SCOPE AND ADMINISTRATION
  6. ▸Chapter 3 — PROVISIONS FOR ALL COMPLIANCE METHODS
    Overview
    1. Section 301
    2. Section 302
    3. Section 303
    4. Section 304
    5. Section 305
    6. Section 306
    7. Section 307 — [OSHPD 1R, 2, and 5]
    8. Section 308 — [OSHPD 1R, 2 and 5]
    9. Section 309 — [OSHPD 1R]
    10. Section 313
    11. Section 314
    12. Section 315
    13. Section 316
    14. Section 317
    15. Section 318
    16. Section 319
    17. Section 320
    18. Section 321
    19. Section 322
    20. Section 323
    21. Section 302A
    22. Section 301A
    23. Section 303A
    24. Section 304A
    25. Section 305A
    26. Section 306A
    27. Section 307A
    28. Section 308A
    29. Section 309A
    30. Section 310A
  7. Chapter 4 — REPAIRS
  8. Chapter 5 — PRESCRIPTIVE COMPLIANCE METHOD
  9. Chapter 6 — CLASSIFICATION OF WORK
  10. Chapter 7 — ALTERATIONS - LEVEL 1
  11. Chapter 8 — ALTERATIONS - LEVEL 2
  12. Chapter 9 — ALTERATIONS - LEVEL 3
  13. Chapter 10 — CHANGE OF OCCUPANCY
  14. Chapter 11 — ADDITIONS
  15. Chapter 12 — HISTORIC BUILDINGS
  16. Chapter 13 — PERFORMANCE COMPLIANCE METHODS
  17. Chapter 14 — RELOCATED OR MOVED BUILDINGS
  18. Chapter 15 — CONSTRUCTION SAFEGUARDS
  19. Chapter 16 — REFERENCED STANDARDS

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