8D Consent 2007 1001 - Laserfiche WebLink

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If Ma, maximum moment atmid-height of wall due to service lateral and eccentric loads, including PD effects, exceed (~/3) M~~, As shall be calculated by Equation (14-8): 2 2 Ma - 3 M« 2 M„ - 3 Mir If Ma does not exceed (~/3) Mir Os shall be calculated by Equation (14-9): Ma s Mcr ~ cr (14-9) where: SM~rI ~. "~ - 48E~.I t SM„l ~. " - 48E~I ~, Section 7-5-I80: CONVENTIONAL LIGHT-FRAME CONSTRUCTION Section 2308.12.4 of the Code is added to read as follows: 2308.12.4 Braced wall line sheathing. Braced wall lines shall be braced by one of the types of sheathing prescribed by Table 2308.12.4 as shown in Figure 2308.9.3. The sum of lengths of braced wall panels at each braced wall line shall conform to Table 2308. ] 2.4. Braced wall panels shall be distributed along the length of the braced wall line and start at not more than 8 feet (2438 mm) from each end of the braced wall line. Panel sheathing joints shall occur over studs or blocking. Sheathing shall be fastened to studs, top and bottom plates and at panel edges occurring over blocking. Wall framing to which sheathing used for bracing is applied shall be nominal 2 inch wide [actual I'/z inch (38 mm)] or larger members. Cripple walls having a stud height exceeding 14 inches (356 mm) shall be considered a story for the purpose of this section and shall be braced as required for braced wall lines in accordance with Table 2308.12.4. Where interior braced wall Lines occur without a continuous foundation below, the length of parallel exterior cripple wall bracing shall be one and one-half times the lengths required by Table 2308.12.4. Where the cripple wall sheathing type used is Type S-W and this additional length of bracing cannot be provided, the capacity of Type S-W sheathing shall be increased by reducing the spacing of fasteners along the perimeter of each piece of sheathing to 4 inches (102 mm) o.c. 23