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Chapter 4 — REPAIRS

Section 404A

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.

MEANS OF EGRESS

404 A .1 General. Repairs shall be done in a manner that maintains the level of protection provided for the means of egress.

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

REPAIRS

shall be those prescribed in California Building Code Section 1609A. Earthquake loads for this evaluation, if required, shall be permitted to be 75 percent of those prescribed in California Building Code Section 1613A. Alternatively, where the earthquake damage has not resulted in disproportionate earthquake damage or did not result in collapse, the earthquake load evaluation shall be permitted to be performed in accordance with Section 303A.3.4.4 for SPC-2 buildings and Section 303A.3.4.5 for buildings rated SPC-3, SPC-4D and SPC-4. SPC-5 buildings shall be evaluated in accor- dance with Section 303A.3.4.6, except that the seismic hazard may be reduced to BSE-1E and BSE-2E.

[BS] 405 A .2.3.2 Extent of repair for compliant buildings. If the evaluation establishes that the building in its predamage condition complies with the provisions of Section 405 A .2.3.1, then the damaged elements shall be permitted to be restored to their predamage condition.

[BS] 405 A .2.3.3 Extent of repair for noncompliant buildings. If the evaluation does not establish compli- ance of the predamage building in accordance with Section 405A2.3.1, then the building shall be rehabili- tated to comply with applicable provisions of this code for load combinations, including wind or seismic loads. The wind loads for the repair shall be as required by the building code in effect at the time of original con- struction, unless the damage was caused by wind, in which case the wind loads shall be as required by this code. Earthquake loads for this rehabilitation design shall be those required for the design of the predamage building, but not less than 90 percent of those pre- scribed in California Building Code Section 1613A. Alternatively, where the earthquake damage has not resulted in disproportionate earthquake damage or did not result in collapse, the rehabilitation design shall be permitted to be performed in accordance with Section 303A.3.4.4 for SPC-2 buildings, Section 303A.3.4.5 for SPC-3, SPC-4D and SPC-4 buildings and Section 303A.3.4.6 for SPC-5 buildings. For SPC-5 buildings, the seismic hazard may be reduced to BSE-1E and BSE-2E. Use of Section 303A.3.4.5 to rehabilitate SPC- 3, SPC-4D and SPC-4 buildings will result in re-classi- fication of the building to SPC-4D. Noncompliant SPC- 4 buildings may be rehabilitated to SPC-5 in accor- dance with Section 303A.3.4.6 using the reduced seis- mic hazard. New structural members and connections required by this rehabilitation design shall comply with the detailing provisions of this code for new buildings of similar structure, purpose and location.

[BS] 405 A .2.4 Substantial structural damage to gravity load-carrying components. Gravity load-carrying com- ponents that have sustained substantial structural damage shall be rehabilitated to comply with the applicable provi-

sions of this code for dead and live loads. Snow loads shall be considered if the substantial structural damage was caused by or related to snow load effects. Existing gravity load-carrying structural elements shall be permitted to be designed for live loads approved prior to the damage. If the approved live load is less than that required by Cali- fornia Building Code Section 1607A, the area designed for the nonconforming live load shall be posted with placards of approved design, indicating the approved live load. Nondamaged gravity load-carrying components that receive dead, live or snow loads from rehabilitated com- ponents shall also be rehabilitated or shown to have the capacity to carry the design loads of the rehabilitation design. New structural members and connections required by this rehabilitation design shall comply with the detail- ing provisions of this code for new buildings of similar structure, purpose and location.

nts that_ receive dead, live or snow loads from rehabilitated com- ponents shall also be rehabilitated or shown to have the capacity to carry the design loads of the rehabilitation design. New structural members and connections required by this rehabilitation design shall comply with the detail- ing provisions of this code for new buildings of similar structure, purpose and location.

[BS] 405 A .2.4.1 Lateral force-resisting elements. Regardless of the level of damage to vertical elements of the lateral force-resisting system, if substantial structural damage to gravity load-carrying components was caused primarily by wind or seismic effects, then the building shall be evaluated in accordance with Section 405 A .2.3.1 and, if noncompliant, rehabilitated in accordance with Section 405 A .2.3.3.

[BS] 405 A .2.5 Flood hazard areas. For buildings and structures in flood hazard areas established in Section 1612A.3, any repair that constitutes substantial improve- ment of the existing structure, as defined in Chapter 2, shall comply with the flood design requirements for new construction, and all aspects of the existing structure shall be brought into compliance with the requirements for new construction for flood design.

For buildings and structures in flood hazard areas established in California Building Code Section 1612A.3, any repairs that do not constitute substantial improvement or repair of substantial damage of the existing structure, as defined in Chapter 2, are not required to comply with the flood design requirements for new construction.

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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
  7. ▸Chapter 4 — REPAIRS
    Overview
    1. Section 401
    2. Section 404
    3. Section 405
    4. Section 402
    5. Section 403
    6. Section 406
    7. Section 407
    8. Section 408
    9. Section 401A
    10. Section 405A
    11. Section 402A
    12. Section 403A
    13. Section 404A
    14. Section 406A
    15. Section 407A
    16. Section 408A
  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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