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BASE SLIDING <br /> Sliding at the base is checked at the block to leveling pad interface between the base block and the leveling <br /> pad. Sliding is also checked between the leveling pad and the foundation soils. <br /> Forces Resisting sliding = W1 <br /> 454 N =454ppf <br /> Resisting force at pad = (N *0.7"tan(slope) + intercept x L) <br /> 454 x 0.7 x tan(40.0) + 0.0 + 0 Rf=318 <br /> Driving force is the horizontal component of <br /> Pah <br /> 122 Df=122 <br /> FSsl = (Rf/ Df)and (Rf1 1 Df) FSsl=1.91 15.46 <br /> Note: Calculations and quantities are for PRELIMINARY ANALYTICAL USE ONLY and MUST NOT be used for final <br /> n or construction without the independent review, verification, and approval by a qualified professional engineer. <br /> CornerStone Analysis and Design 5.1,21009.30 7 <br />