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_ 2 <br />2 Ma 3 ~r 2 <br />~s 3 ~cr "}' 2 ~n 3 ~cr <br />M~ - 3 Mir <br />If Ma does not exceed (z/3) M~~, 05 shall be calculated by Equation (14-9): <br />Ma <br />s = 1 I ~ cr (14-9 ) <br />\\ Mc~ <br />where <br />SM~rI c <br />cr - 48E~Ig <br />SMnI <br />~" - 48E~I ~r <br />Section 7-5-180: CONVENTIONAL LIGHT-FRAME CONSTRUCTION. Section <br />2308.12.4 of the Code is added to read as follows: <br />(14-8) <br />2308.12.4 Braced wall line sheathing. <br />Braced wall lines shall be braced by one of the types of sheathing prescribed by Table 2308.12.4 <br />as shown in Figure 2308.9.3. The sum of lengths of braced wall panels at each braced wall line <br />shall conform to Table 2308.12.4. Braced wall panels shall be distributed along the length of the <br />braced wall line and start at not more than 8 feet (2438 mm) from each end of the braced wall <br />line. Panel sheathing joints shall occur over studs or blocking. Sheathing shall be fastened to <br />studs, top and bottom plates and at panel edges occurring over blocking. Wall framing to which <br />sheathing used for bracing is applied shall be nominal 2 inch wide [actual 1 %2 inch (38 mm)] or <br />larger members. <br />Cripple walls having a stud height exceeding 14 inches (356 mm) shall be considered a story for <br />the purpose of this section and shall be braced as required for braced wall lines in accordance <br />with Table 2308.12.4. Where interior braced wall lines occur without a continuous foundation <br />below, the length of parallel exterior cripple wall bracing shall be one and one-half times the <br />lengths required by Table 2308.12.4. Where the cripple wall sheathing type used is Type S-W <br />and this additional length of bracing cannot be provided, the capacity of Type S-W sheathing <br />shall be increased by reducing the spacing of fasteners along the perimeter of each piece of <br />sheathing to 4 inches (102 mm) o.c. <br />ORDINANCE NO.2007-022 24 <br />