CODES

ADOPTS WITH AMENDMENTS:

International Existing Building Code 2018 (IEBC 2018)

Heads up: There are no suggested sections in this chapter.
Heads up: There are no amended sections in this chapter.

CALIFORNIA EXISTING BUILDING CODE — MATRIX ADOPTION TABLE
CHAPTER 4AREPAIRS

(Matrix Adoption Tables are nonregulatory, intended only as an aid to the code user.
See Chapter 1 for state agency authority and building applications.)

Adopting AgencyBSCBSC-
CG
SFMHCDDSAOSHPDBSCCDPHAGRDWRCECCASLSLC
121/ACACSSSS/CC11R2345
Adopt Entire ChapterX
Adopt Entire Chapter as amended (amended sections listed below)
Adopt only those sections that are listed below
Chapter / Section

The state agency does not adopt sections identified with the following symbol:

The Office of the State Fire Marshal's adoption of this chapter or individual sections is applicable to structures regulated by other state agencies pursuant to Section 1.11.

Repairs shall comply with the requirements of this chapter. The provisions of this chapter shall apply to existing structures for applications listed in Section 1.10.1 [OSHPD 1] regulated by the Office of Statewide Health Planning and Development (OSHPD).
The work shall not make the building less complying than it was before the repair was undertaken.

For buildings and structures in flood hazard areas established in California Building Code Section 1612A.3, any repair that constitutes substantial improvement 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.

The installation or replacement of glass shall be as required for new installations in accordance with the California Building Code.
Fire protection shall comply with the California Building Standards Code.
Repairs shall be done in a manner that maintains the level of protection provided for the means of egress.
Buildings and structures, and parts thereof, shall be repaired in conformance with Section 405A.2. Work on nondamaged components that is necessary for the required repair of damaged components shall be considered part of the repair and shall not be subject to the requirements for alterations in Chapter 5A. Routine maintenance required by Chapter 3A, ordinary repairs exempt from permit in accordance with California Building Code Section 105.2, and abatement of wear due to normal service conditions shall not be subject to the requirements for repairs in this section.
Repairs to damaged buildings shall comply with this section.
For damage less than substantial structural damage, repairs shall be allowed that restore the building to its predamage state. New structural members and connections used for this repair shall comply with the detailing provisions of this code for new buildings of similar structure, purpose and location.
Structural components whose damage was caused by or related to snow load effects shall be repaired, replaced or altered to satisfy the requirements of Section 1608A of the California Building Code.
A building assigned to Seismic Design Category D, E or F that has sustained disproportionate earthquake damage shall be subject to the requirements for buildings with substantial structural damage to vertical elements of the lateral force-resisting system.

A building that has sustained substantial structural damage to the vertical elements of its lateral force-resisting system shall be evaluated and repaired in accordance with the applicable provisions of Sections 405A.2.3.1 through 405A.2.3.3.

The building shall be evaluated by a registered design professional, and the evaluation findings shall be submitted to the building official. The evaluation shall establish whether the damaged building, if repaired to its predamage state, would comply with the provisions of this code for wind and earthquake loads. Wind loads for this evaluation 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 accordance with Section 303A.3.4.6, except that the seismic hazard may be reduced to BSE-1E and BSE-2E.

If the evaluation establishes that the building in its predamage condition complies with the provisions of Section 405A.2.3.1, then the damaged elements shall be permitted to be restored to their predamage condition.

If the evaluation does not establish compliance of the predamage building in accordance with Section 405A2.3.1, then the building shall be rehabilitated 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 construction, 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 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 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-classification of the building to SPC-4D. Noncompliant SPC-4 buildings may be rehabilitated to SPC-5 in accordance with Section 303A.3.4.6 using the reduced seismic 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.

Gravity load-carrying components that have sustained substantial structural damage shall be rehabilitated to comply with the applicable provisions 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 California 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 components 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 detailing provisions of this code for new buildings of similar structure, purpose and location.

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 405A.2.3.1 and, if noncompliant, rehabilitated in accordance with Section 405A.2.3.3.

For buildings and structures in flood hazard areas established in Section 1612A.3, any repair that constitutes substantial improvement 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.

Existing electrical wiring and equipment undergoing repair shall be in accordance with Title 24 Part 3 California Electrical Code (CEC).
Existing mechanical systems undergoing repair shall not make the building less complying than it was before the damaged occurred.
Plumbing materials and supplies shall not be used for repairs that are prohibited in the Title 24 Part 5 California Plumbing Code (CPC).

The maximum water consumption flow rates and quantities for all replaced water closets shall be 1.28 gallons (4.8 L) per flushing cycle.

Exception: Blowout-design water closets [3.5 gallons (13 L) per flushing cycle].

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