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Encon Services, Inc. <br /> FL EB#9394 P.O. Box 3613,Apollo Beach, FL 33572 (813)655-3373 <br /> Job Description <br /> Advent Health System <br /> 7050 Gall Blvd. <br /> Zephyrhills,FL <br /> AHS-PE-15-IL-150 <br /> SPREAD FOOTINGS <br /> Concrete Design for Overturning <br /> Allowable Bearing Pressure,q= 2,000 psf, at grade <br /> Wind Load Moment at Grade, MW,= 29,288 lb-ft/footing <br /> Wind Load Shear at Grade,V I= 3,236 lb/footing <br /> Depth to Toe, Df= 3.3 ft <br /> Total Design Moment, Mtot= 39,806 lb-ft/footing, M,i+(V,i)(Df) <br /> Required Stabilizing Moment, MS=_ 66,079 lb-ft, 1.5 x Mt,,t. <br /> Weight of Sign and Columns,W= 1,485 lb/footing <br /> Concrete Density, O= 145 pcf, normal type I <br /> Parallel, B= 4.0 ft, parallel to sign face. <br /> Perpendicular, L= 8.0 ft, perpendicular to sign face <br /> Required Thickness, Df= 3.2 ft, =(2Ms-W L)/(O B LA2) <br /> Actual Thickness to be Used= 3.3 ft <br /> Sign Weight+Footing Weight, P= 16,565 Ibs <br /> Service Load Eccentricity--M/P, e= 2.40 ft OUTSIDE KERN <br /> Soil Pressure at Rotation Toe,gmaz 1,729 psf, service load pressure at bearing depth <br /> q allowed=min(3 or 1+0.2(d-1))x q= 2,896 psf at bearing depth <br /> OK <br />