Chapter IX — BUILDING REGULATIONS›Article 1 — AMENDMENTS TO THE CALIFORNIA BUILDING STANDARDS CODE [BUILDING CODE]
Los Angeles Municipal Code § 91.2100 Basic Provisions
Los Angeles Municipal Code · 2026-10 edition · updated 2026-10-19 · Los Angeles
Cite as: Los Angeles Municipal Code § 91.2100 · Text as of 2026-10-19
(Division Amended by Ord. No. 181,758, Eff. 8/8/11.)
Section
91.2100 Basic Provisions.
91.2113 Masonry Chimneys.
SEC. 91.2100. BASIC PROVISIONS.¶
Chapter 21 of the CBC is adopted by reference with the following exceptions, modifications and additions:
SEC. 91.2113. MASONRY CHIMNEYS.¶
(Amended by Ord. No. 182,850, Eff. 1/3/14.)
Section 2113 of the CBC is adopted by reference, except Section 2113.3 of the CBC is not adopted; and, in lieu, LAMC Subsection 91.2113.3 is added. (Amended by Ord. No. 185,587, Eff. 7/16/18.)
91.2113.3. Seismic Reinforcing. (Amended by Ord. No. 188,797, Eff. 12/31/25.) Masonry chimneys shall be constructed, anchored, supported and reinforced as required in this division. In structures assigned to Seismic Design Category A or B, reinforcement and seismic anchorage is not required. In structures assigned to Seismic Design Category C or D, masonry chimneys shall be reinforced and anchored as detailed in CBC Sections 2113.3.1, 2113.3.2 and 2113.4. In structures assigned to Seismic Design Category E or F, masonry chimneys shall be reinforced in accordance with the requirements of CBC Sections 2101 through 2108 and anchored in accordance with CBC Section 2113.4.
Notwithstanding any other provisions of this Code, an existing masonry chimney, which is altered or repaired more than 10 percent of its replacement cost within a 12-month period, shall have its entire chimney structure comply with the current requirements of this Code or other standards approved by the Superintendent of Building.
Get a plain-English answer with a citation back to this text.
Ask AI about this code