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2007 SUPPLEMENT TO THE IRC TABLE R602.10.3 EFFECTIVE LENGTHS FOR BRACE WALL PANELS LESS THAN 48 INCHES IN ACTUAL LENGTH BRACE METHODS 2 3 4, 6, 7 AND 8° Effective Len • th of Braced Walt Panel (inches) Actual Length of Braced WaII Panes) 48 42 __ 36 For SI: 1 inch = 25.4mm Interpolation shall be permitted. 8 -foot Wall He' • ht 9 -foot Wall Hei ht 10 -foot Wall Height 48 48 36 NIA N/A NIA R602.10.3.1 Adjustment of length of braced panels. When story height (H), measured in ft, exceeds 10 feet (3048 mm),in accordance with Section R301.3, the minimum length of braced wall panels specified in Section R602,10,3 shall be increased by a factor H/10, See Table R602.10 3.1. Interpolation is permitted. SEISMIC DESIGN CATEGORY AND WIND SPEED SDC A, B, C, Dd, D, and D2 Wind speed < 110 mph TABLE R602.10.3.1 MINIMUM LENGTH REQUIREMENTS FOR BRACED WALL PANELS BRACING METHOD 2,3,4,6,7,8 and Method 5 when double sided Method 5, single sided For SI: I inch = 25.4mm, 1 foot = 305 mm 8 ft. 4'-0" 8®-0" HEIGHT OF BRACED WALL PANEL 9 ft. 4'-0" 10 ft. 4'-0" 8'-0" 11 ft. 4,-5" 8'-10" 12 ft. 4'-10" 9'-8" R602.10.3.2 Alternative bracing panels. As an alternate to the bracing methods in Section R602.10.2, wall bracing panels in accordance with Sections R602.10,3.2:1 and R602,10,.3,2.2 shall be permitted. R602.10.3.2.1 Alternate braced wall panels. Alternate braced wall panels constructed in accordance with one of the following provisions shall be permitted to replace each 4 feet (1219 mm) of braced wall panel as required by Section R602.10.3. The maximum height and minimum length and tie -down force of each panel shall be in accordance with Table R602,10,3,2.1: 1 In one-story buildings, each panel shall be sheathed on one face with 318 -inch -minimum -thickness (9.5 mm) wood structural panel sheathing nailed with 8d common or galvanized box nails spaced in accordance with Table R602.3(1) and blocked at all wood structural panel sheathing edges. Two anchor bolts installed in accordance with Figure R403.1(1) shall be provided in each panel. Anchor bolts shall be placed 6 to 12 inches from each end of the plate... Each panel end stud shall have a tie -down device fastened to the foundation, capable of providing an uplift capacity in accordance with Table R602.10.3.2.1. The tie -down device shall be installed in accordance with the manufacturer's recommendations. The panels shall be supported directly on a foundation or on floor framing supported directly on a foundation, which is continuous across the entire length of the braced wall line: This foundation shall be reinforced with not less than one No, 4 bar top and bottom. When the continuous foundation is required to have a depth greater than 12 inches (305 mm), a minimum 12 -inch -by -12 -inch (305 mm by 305 mm) continuous footing or turned down slab edge is permitted at door openings in the braced wall line. This continuous footing or turned down slab edge shall be reinforced with not less than one No.4 bar top and bottom. This reinforcement shall be lapped 15 inches (381 mm) with the reinforcement required in the continuous foundation located directly under the braced wall line, 2. In the first story of two-story buildings, each braced wall panel shall be in accordance with Item 1 above, except that the wood structural panel sheathing edge nailing spacing shall not exceed four inches on center. IRC -45 Copyrighted m 2007 CC (ALL RIGHTS RESERVED); licensed to Neil Erickson pursuant to License Agreement with CC No further reproductions authorized or distribution authonzed. ANY UNAUTHROIZED REPRODUCTION OR DISTRIBUTION ISA VIOLATION OF THE FEDERAL COPYRIGHT ACT AND THE LICENSE AGREEMENT, AND SUBJECT TO CIVIL AND CR;MINAL PENALTIES THEREUNDER