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EXHIBIT A TO RESOLUTION NO. 2013 - FINDINGS AND DETERMINATION THAT CHANGES OR MODIFICATIONS TO THE INTERNATIONAL BUILDING CODE, AND THE CALIFORNIA BUILDING CODE, 2013 EDITION, ARE REASONABLY NECESSARY BECAUSE OF LOCAL CONDITIONS 1. In connection with the adoption by reference of the International Building Code, 2012 Edition, as amended by the State of California in that document entitled “The California Building Standards Code,” it is hereby expressly found and determined that the following changes are reasonably necessary because of local climatic, geological or topographical conditions: Section 7-5-135 FOOTING SEISMIC REINFORCING Section R403.1.3 of the 2013 California Residential Code is amended to read as follows: R403.1.3 Seismic reinforcing. Concrete footings located in Seismic Design Categories D0, D1 and D2, as established in Table R301.2(1), shall have minimum reinforcement of at least two continuous longitudinal reinforcing bars, one top and one bottom and not smaller than No. 4 bars. Bottom reinforcement shall be located a minimum of 3 inches (76 mm) clear from the bottom of the footing. In Seismic Design Categories D0, D1 and D2 where a construction joint is created between a concrete footing and a stem wall, a minimum of one No. 4 bar shall be installed at not more than 4 feet (1219 mm) on center. The vertical bar shall extend to 3 inches (76 mm) clear of the bottom of the footing, have a standard hook and extend a minimum of 14 inches (357 mm) into the stem wall. In Seismic Design Categories D0, D1 and D2 where a grouted masonry stem wall is supported on a concrete footing and stem wall, a minimum of one No. 4 bar shall be installed at not more than 4 feet (1219 mm) on center. The vertical bar shall extend to 3 inches (76 mm) clear of the bottom of the footing and have a standard hook. In Seismic Design Categories D0, D1 and D2 masonry stem walls without solid grout and vertical reinforcing are not permitted. Exception: In detached one- and two-family dwellings which are three stories or less in height and constructed with stud bearing walls, isolated plain concrete footings supporting columns or pedestals are permitted. Section 7-5-140 CONSTRUCTION METHODS FOR BRACED WALL PANELS AND TABLE R602.10.3(3)