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Date: 18-Jan-21 <br /> STARK W Foundation Underpinning Designed by: NDS <br /> FOUNDATIONS O 55045th Street <br /> 0 Zephyhills,Florida <br /> a <br /> Project No.:21.010.LRE <br /> Design Criteria <br /> Code(s): <br /> International Building Code(IBC)2015/2018 <br /> ASCE 7-10 <br /> Design Loads: <br /> Dead: Soil: <br /> Roof= 15 psf Allow Lateral Bearing Pressure= 200 psf/ft <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 /> Soil= 110 psf <br /> Live: <br /> Roof(snow)= 0 psf <br /> Third Floor= 40 psf " <br /> Second Floor= 40 psf <br /> First Floor= 40 psf <br /> Wind: (not applicable) <br /> Exposure D Risk Category= II <br /> Wind Speed,V= 137 mph K2t= 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: pW=qz(GCp-GCp;) w=0.6 <br /> qz=0.00256 Kz Kzt Kd V2 <br /> Therefore: <br /> qz= 40.0 psf <br /> pW= 34.4 psf <br /> Factored Wind Pressure,p'W= 20.7 psf(say 16 psf) <br />