SEC. 91.2113. MASONRY CHIMNEYS.

Los Angeles Building Code — LAMC Chapter IX · 2026-08 edition · updated 2026-09-09 · Los Angeles

(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. Masonry chimneys shall be constructed, anchored, supported and reinforced as required in this division. 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 A or B, reinforcement and seismic anchorage is not required. 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. (Amended by Ord. No. 186,488, Eff. 12/27/19.)

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Los Angeles Building Code — LAMC Chapter IX

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