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V <br /> Date: 19-Mar-18 <br /> 110.STARK Foundation Underpinning Designed by: NDS <br /> W <br /> FOUNDATIONS -J 3212 16th Street,Everett,Washington <br /> cc <br /> o. <br /> Job No.: 18.029.RFS <br /> Design Criteria <br /> Code(s): <br /> International Building Code(IBC)2012/2015 <br /> ASCE 7-10 <br /> Design Loads: <br /> Dead: Soil: <br /> Roof= 15 psf Allow Lateral Bearing Pressure= 100 psf/ft (IBC Table 1806.2) <br /> Chimney= 45 psf Active Pressure= 60 psf/ft <br /> Third Floor= 15 psf <br /> Second Floor= 15 psf <br /> First Floor= 15 psf <br /> Walls= 8 psf <br /> 8"Foundation Wall= 100 psf <br /> Live: <br /> Roof(snow)= 25 psf <br /> Third Floor= 0 psf <br /> Second Floor= 40 psf <br /> First Floor= 40 psf <br /> Wind: (not applicable) <br /> Exposure= C Risk Category= II <br /> Wind Speed,V= 120 mph Kzi= 1.0 <br /> Gust Effect Factor,G= 0.85 Kd= 0.85 <br /> Internal Pressure Coefficient,GCp,= -0.18 Kz= 0.98 <br /> External Pressure Coefficient,Cp= 0.8 Height,hz= 30 ft <br /> Design Wind Pressure: Design Load Combo= D+0.6W <br /> where: p„,= qk(GCp-GC0) cv= 0.6 <br /> qz= 0.00256 Kz Kir Kd V` <br /> Therefore: <br /> qz= 30.7 psf <br /> p„= 26.4 psf <br /> Factored Wind Pressure,p',„= 15.8 psf(say 16 psf) <br />