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2. Foundation Check (2021 / 2024 IBC) <br />Supercharger_Post_V4 <br />Material Properties: <br />Wf = 244.0 lbs (from manufacturer's drawing) <br />g =150 pcf for backfill soil plat =300 psf/ft <br />Foundation Dimension: <br />(top 3" ignored) <br />P <br />634.4 psf <br />Section Modulus, S = 12,035 in3 <br />= 6.965 ft <br />Passive Pressure: <br />P = (0+634.375 psf)/2 x 38.61 in x 22.38 in = 1903.3 lbs <br />P_lat = 1903.3 lbs <br />Resisting Moment from Lateral Pressure: <br />M = 1903.3 lbs x 1.865 ft /3 1183.2 lb-ft <br />M_lat = 1183.2 lb-ft <br />45