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2007 SUPPLEMENT TO THE [RC <br />TABLE R602.10.1(2) <br />ADJUSTMENT FACTORS TO THE PERCENTAGE OF REQUIRED WALL BRACING <br />ADJUSTMENT BASED ON: <br />MULTIPLY PERCENTAGE - <br />OF BRACING PER WALL <br />LINE BY: <br />1,0 <br />e e, <br />Story height'" (Section 301.3) <br />Braced wall Ione spacing in SDC A••C•d <br />all dead load' <br />10 ft <br />>1 <br />12 ft <br />, 35 ft <br />>35 50 ft <br />>815 <br />1,2 <br />1.0 <br />APPLIES TO: <br />1.0 <br />Roof/ceiling dead <br />load for wall <br />supporting b,�: <br />oof only or roof plus one <br />to ,y <br />oof only <br />oof lus one sto <br />6 psf <br />0.85 <br />1.0 <br />All bracing <br />methods - <br />R602.10.2 <br />> 15 psf 25 psf <br />> 15 sf 25 .sf <br />ails with stone or masonry veneer in SDC C- <br />D2 <br />Cripple walls <br />ee Section R703.7, Exception 1-4 <br />See Section R 602.10,8 <br />a. The total percentage of bracing required for a given wall line is the product of all applicable adjustment factors. <br />b. Linear interpolation shall be permitted... <br />c. Bracing required for a site's wind speed shall not be adjusted for dead load. <br />d. Braced wall line spacing in excess of 35 -ft shall be in accordance with R602.10.1.4. <br />e. The adjusted percentage of bracing shall not be Tess than that required for the site's wind speed. <br />R602.10.1.3 Braced wall panel location. Braced wall panels shall be located in accordance with Table <br />R602,10.1(1) and Figure R602.10e1 3(1) Braced wall panels shall be located at least every 25 feet on center and <br />shall begin no more than 12.5 feet (3810 mm) from each end of a braced wall line in accordance with Figure <br />R602.10.1,3(2), Braced wall panels may be offset out -of -plane up to 4 feet (1219 mm) provided that the total out - <br />to -out offset in any braced wall line is not more than 8 feet (2438 mm) in accordance with Figure R602,10,1.3(3), <br />R602.10.1.3.1 Braced wall panel location in Seismic Design Categories Do, Di and D2. Exterior braced wall <br />lines shall have a braced wall panel located at each end of the braced wall line. <br />Exception: For braced wall panel construction Method 3 of Section R602.10.2, the braced wall panel shall be <br />permitted to begin no more than 8 feet (2438 mm) from each end of the braced wall line provided one of the <br />following is satisfied in accordance with Figure R602,10.1.3.1:. <br />1. A minimum 24 -inch -wide (610 mm) panel is applied to each side of the building comer and the two 24 - <br />inch -wide (610 mm) panels at the comer shall be attached to framing in accordance with Figure <br />R602,10,4.3(1), or <br />2. The end of each braced wall panel closest to the corner shall have a tie -down device fastened to the <br />stud at the edge of the braced wall panel closest to the corner and to the foundation or framing below. <br />The tie -down device shall be capable of providing an uplift allowable design value of at least 1,800 <br />pounds (8 kN), The tie -down device shall be installed in accordance with the manufacturer's <br />recommendations.. <br />IRC -41 <br />Copyrighted 02007 ICC (ALL RIGHTS RESERVED). licensed to Neil Erickson pursuant to License Agreement with ICC. No further ar,rka `ons authorized or distribution authorized <br />ANY UNAUTHROIZED REPRODUCTION OR DISTRIBUTION ISA VIOLATION OF THE FEDERAL COPYRIGHT ACT AND THE LICENSE AGREEMENT AND SUBJECT TO CIVIL AND CRIMINAL PENALTIES THEREUNDER <br />