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<br />IX.) Overall Moment Stability (Overturning): <br /> <br />Resisting Moment: <br /> <br />Dead loads above slab: <br />Roof area: <br />Dead Weight: <br />Total Weight = <br /> <br />Exterior Walls: <br /> <br />Wall height: <br /> <br />Unit weight: <br />Total Weight = <br /> <br />Interior Walls: <br /> <br />Wall height: <br /> <br />Unit weight: <br />Total Weight = <br /> <br />Total Resisting Dead Load (W) : <br />Dead Load Moment Arm ( I ) : <br />Resisting Moment (RM) = <br /> <br />Overturning Moment: <br />Uplift : <br /> <br />Christopher Residence <br /> <br />W(I) <br /> <br />2474.0 sf <br />11.8 psf <br />29193.2 lbs <br /> <br />(Neglect overhang; conservative) <br /> <br />29193.2 <br /> <br />221.3 If <br /> <br />8.0 ft <br /> <br />50.0 psf ( SBC Appendix A) <br />88528.0 Ibs <br /> <br />88528.0 <br /> <br />180.0 If <br />8.0 ft <br /> <br />8.0 psf( SBC Appendix A) <br />11520.0 Ibs <br /> <br />11520.0 <br />129241.2 Ibs <br /> <br />Total Resisting Dead Load = <br /> <br />129241.2 Ibs <br />28.665 ft, Width / 2 <br /> <br />3704.7 ft-kips <br /> <br />U(I) + P(h) <br /> <br />Height: 0-15 15-20 20-40 40-60 <br />Roof area: 2474.0 0.0 0.0 0.0 <br />Gross Uplift : -21.0 -23.0 -28.0 -31.0 <br />Total Uplift (U) = -51954.0 0.0 0.0 0.0 <br />Moment Arm (I) : 28.7 28.7 28.7 28.7 <br />Uplift Moment = -1489.3 0.0 0.0 0.0 <br /> <br />Horizontal Pressure: <br /> <br />sf <br />psf <br />Ibs <br />ft <br />ft-kips <br /> <br />Height: 0-15 15-20 20-40 40-60 <br />Pressure: 31.5 34.5 42.0 46.5 <br />Contrib. Height: 15.0 3.0 -2.0 --22.0 <br />Total hz. Pressure = 472.5 103.5 0.0 0.0 <br />Moment Arm (1) : 7.5 16.5 19.0 29.0 <br />Unit Pres. Moment= 3.5 1.7 0.0 0.0 <br />Hz. Pres. Moment = 189.0 91.1 0.0 0.0 <br /> <br />Page 6 <br /> <br /> <br />ldg. Igt.) <br />