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3. Moment- 1, Special moment-resisting frame <br />resisting frame (SMRF) 8.5 2.8 N.L. <br />system a. Steel 8.5 2.8 N.L. <br /> b. Concrete4 6.5 2.8 160 <br /> 2. Masonry moment-resisting wall frame <br /> (MMR WF) 4. S 2.8 356 <br /> 3. Intermediate moment-resisting frame S.S 2.8 - 3 <br /> (IMRF) <br /> a. Steel6 3.5 2.8 6 <br /> b. Concretes 3.5 2.8 - 3 <br /> 4. Ordinary moment-resisting frame <br /> (OMRF) 6. S 2.8 240 <br /> a. Steel6 <br /> b. Concrete8 <br /> S. Special truss moment frames of steel <br /> (STMF <br />4. Dual systems 1. Shear walls <br /> a. Concrete with SMRF 8.5 2.8 N.L. <br /> b. Concrete with steel OMRF (Not - - - <br /> Permitted) 6.5 2.8 - $ <br /> c. Concrete with concrete IlVIRF s 5.5 2.8 160 <br /> d. Masonry with SMRF - - - <br /> e. Masonry with steel OMRF (Not 4.2 2.8 - 3 <br /> Permitted) 6.0 2.8 160 <br /> f. Masonry with concrete IMRF 3 <br /> g. Masonry with masonry MMRWF 8.5 2.8 N.L. <br /> 2. Steel EBF - - <br /> a. With steel SMRF <br /> b. With steel OMRF (Not Permitted, <br /> 3. Ordinary braced frames (Not 7.5 2.8 N.L. <br /> Permitted - - - <br /> 4. Special concentrically braced frames <br /> a. Steel with steel SMRF <br /> b. Steel with steel OMRF (Not <br /> Permitted <br /> 5. Steel IMRF (Not ermitted~ <br />5. Cantilevered 1. Cantilevered column elements 2.2 2.0 35 <br />column <br />buildin s stems <br />6. Shear wall- 1. Concrete 5.5 2.8 160 <br />frame <br />interactions stems <br />7. Undefined See Section 1629.6.7 and 1629.9.2 - - - <br />s stems <br />1`7.L.- 11V 1111111 <br />2 See Section 1630.4 for combination of structural systems. <br />3 Basic structural systems are defined in Section 1629.6. <br />Prohibited in Seismic Zones 3 and 4. <br />