2111.4 Seismic reinforcement.
BC § 2111.4
In structures assigned to Seismic Design Category A or B, seismic reinforcement is not required. In structures assigned to Seismic Design Category C or D, masonry fireplaces shall be reinforced and anchored in accordance with Sections 2111.4.1, 2111.4.2 and 2111.5, and Table 2111.1, and Figure 2111.1.













