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2.3. Not less than three 2 x 12 or four 2 x 10 for an opening not more <br /> than 8 feet (2438 mm) in width. <br /> 3. The entire length of the braced wall panel does not occur over an <br /> opening in the wall below. <br /> 4. Floor and roof opening. Conditions where an opening in a floor or roof <br /> exceeds the lesser of 12 feet (3658 mm) or 50 percent of the least floor or <br /> roof dimension. See Figure R301.2.2.6(6). <br /> �\ <br /> MORE THAN b2/2 <br /> IS IRREGULAR <br /> — 1MORE <br /> 2 - <br /> I1 IS iI9 I ----- <br /> 1i ii i!i <br /> it 2 i 1� I I <br /> PLAN VIEW PLAN VIEW <br /> Figure R301.2.2.6(6) <br /> Opening Limitations for Floor and Roof Diaphragms <br /> 5. Floor level offset. Conditions where portions of a floor level are vertically <br /> offset. See Figure R301.2.2.6(7). <br /> Exceptions: <br /> 1. Framing supported directly by continuous foundations at the <br /> perimeter of the building. <br /> 2. For wood light-frame construction, floors shall be permitted to be <br /> vertically offset where the floor framing is lapped or tied together as <br /> required by Section R502.6.1. <br /> r---- ------------liI <br /> FLOOR JOISTS rill <br /> 3 F11111. <br /> CANNOT BETIED DIRECTLY ITOGETHER <br /> EMI <br /> SECTION VIEW SECTION VIEW <br /> Figure R301.2.2.6(7) <br /> Portions of Floor Level Offset Vertically <br /> 21 <br />