A102 Scope — 2025 California Existing Building Code

A102.1 General.¶

[BS] A102.1 General. The provisions of this chapter shall apply to all existing buildings not more than six stories in height above the base of the structure and having not fewer than one unreinforced masonry bearing wall. The elements regulated by this chapter shall

be determined in accordance with Table A102.1. Except as provided herein, other structural provisions of the building code shall apply. This chapter does not apply to the alteration of existing electrical, plumbing, mechanical or fire safety systems.

[BS] TABLE A102.1—ELEMENTS REGULATED BY THIS CHAPTER

BUILDING ELEMENTS	_SD_1	_SD_1	_SD_1	_SD_1
BUILDING ELEMENTS	≥ 0.067g < 0.133g	≥ 0.133g < 0.20g	≥ 0.20g < 0.30g	≥ 0.30g
Parapets	X	X	X	X
Walls, anchorage	X	X	X	X
Walls,h/t ratios		X	X	X
Walls, in-plane shear		X	X	X
Diaphragmsa			X	X
Diaphragms, shear transferb		X	X	X
Diaphragms, demand-capacity ratiosb			X	X
a. Applies only to buildings designed according to the general procedures of Section A110. b. Applies only to buildings designed according to the special procedures of Section A111.

Exceptions & meaning →

A102.2 Essential and hazardous facilities.¶

[BS] A102.2 Essential and hazardous facilities. The provisions of this chapter shall not apply to the strengthening of buildings in Risk Category III or IV. Such buildings shall be strengthened to meet the requirements of the California Building Code for new buildings of the same risk category or other such criteria approved by the code official.

Exceptions & meaning →