A nut and washer shall be tightened on each anchor bolt. Bolts shall be at least 1/ 2 inch (12.7 mm) in diameter and shall extend a minimum of 7 inches (178 mm) into concrete or grouted cells of concrete masonry units. Wood sole plates at all exterior walls on monolithic slabs, wood sole plates of braced wall panels at building interiors on monolithic slabs and all wood sill plates shall be anchored to the foundation with anchor bolts spaced a maximum of 6 feet (1829 mm) on center. In Seismic Design Categories D 0, D 1 and D 2 masonry stem walls without solid grout and vertical reinforcing are not permitted. The vertical bar shall extend to 3 inches (76 mm) clear of the bottom of the footing and have a standard hook. 4 bar shall be installed at not more than 4 feet (1219 mm) on center. In Seismic Design Categories D 0, D 1 and D 2 where a grouted masonry stem wall is supported on a concrete footing and stem wall, a minimum of one No. 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 D 0, D 1 and D 2 where a construction joint is created between a concrete footing and a stem wall, a minimum of one No. Bottom reinforcement shall be located a minimum of 3 inches (76 mm) clear from the bottom of the footing. TABLE R401.1-continued FOUNDATION UPLIFT LIGHT STEEL & WOOD FRAME BUILDINGS IN EXPOSURE C (plf) 5, 6 Roof AngleĬoncrete footings located in Seismic Design Categories D 0, D 1 and D 2, as established in Table R301.2(1), shall have minimum reinforcement. V asd as determined in accordance with Section R301.2.1.3 / Velocity Pressure TABLE R401.1 FOUNDATION UPLIFT LIGHT STEEL & WOOD FRAME BUILDINGS IN EXPOSURE B (plf) 5, 6 Roof Angle
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