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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-25-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,= 146,638 lb-ft/footing <br /> Wind Load Shear at Grade,VW,= 9,942 lb/footing <br /> Depth to Toe, Df= 3.5 ft <br /> Total Design Moment, Mtot= 181,433 lb-ft/footing, MW,+(VW,)(Df) <br /> Required Stabilizing Moment, M5= 301,179 lb-ft, 1.5 x Mtot <br /> Weight of Sign and Columns,W= 4,125 lb/footing <br /> Concrete Density, 0= 145 pcf, normal type I <br /> Parallel, B= 7.0 ft, parallel to sign face <br /> Perpendicular, L= 13.0 ft, perpendicular to sign face <br /> Required Thickness, Df= 3.2 ft,=(2Ms-W L)/([] B LA2) <br /> Actual Thickness to be Used= 3.5 ft <br /> Sign Weight+ Footing Weight, P= 50,308 Ibs <br /> Service Load Eccentricity= M/P,e= 3.61 ft OUTSIDE KERN <br /> Soil Pressure at Rotation Toe,gn,aX 1,656 psf,service load pressure at bearing depth <br /> q allowed=min(3 or 1+0.2(d-1))x q= 2,880 psf at bearing depth <br /> OK <br />