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MAR -25-1997 12:05 RANKIN & RANKIN is <br />I <br />9169239574 P.05 <br />RANKIN & RANKIN JOB <br />8655 WASHINGTON BLVD. SHEET NO OF <br />ROSEVILLE, CALIFORNIA 95678 CALC. BY DATE <br />(916) 782-9001 CHECK. BY DATE <br />48 " ROUND FOOTINGS <br />Tributary <br />Area = <br />728 <br />s.f. <br />Footing <br />Area = <br />12.57 <br />s.f. <br />Roof DL + LL Allow. Soil Brg. <br />P -DL 8(728)= 5,824 # = 1000 + 200(7.50-1) <br />P -LL 16(728)= 11,648 = 2300 psf <br />17,472 # <br />Soil Press. 17472/12.57= 1390 paf O.K. <br />Wind Uplift <br />P -up 0,020(720a.- 14.3 k wt. Of Ftg = 0:.15(12.57)(7.50) <br />P -DL -0.008(728)- -5.8 14.1 k <br />8,5 k O.K. <br />Overturning <br />Wind <br />77 <br />v <br />V= 21.30(3.00)(28.00)/I= <br />1789.24 <br />#/col. <br />3100 <br />M = 17B9.24(16.0)=: <br />28,628 <br />14 <br />Se0ismic <br />0 <br />V= .275(2G)(28)(8)/1= <br />1601.60 <br />#/col. <br />14.5 <br />+ 0,275(26)(28)(0)/1-- <br />0 <br />1601.60 <br />#/Col. <br />M <br />25,626 <br />1# <br />Unbal. LL =(16)(26)(1W2/2= <br />Req'd Ftg. Depth; <br />7,48 <br />M= 40,768 <br />';# <br />(See Computer Analysis Pg. <br />Equiv. V= 2548 <br />4/col. <br />