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KCJ Engineering Inc. <br /> 25431 Cabot, Suite 109 Client: Containment Solutions <br /> Laguna Hills,CA.92653-5526 Project: 1004 Gal. Kombo Tank <br /> 4P Tel(949)380-8186 Date: 8/25/2017 <br /> Fax(949)588-1664 <br /> Qom„„ Allowable Soil Pressure 1,000 psf <br /> 018VO,„ Allowable Soil Pressure for wind or seismic 1330 pet <br /> f`c Nominal Concrete Compressive Strength 3000 psi <br /> Fy Rebar Yield Strength 60000 psi <br /> w Footing Width 7 ft. <br /> I Footing Length 14 ft. <br /> t Footing Thickness 6 In. <br /> LL Live Load 25 psf <br /> P Max.Total Vertical Load 12 kips <br /> H Max.Total Horizontal Load 7.5 kips <br /> M Max Total OverTuming Load 187.5 in*kips <br /> Normal Loading <br /> QNOM P/(w*I)+Slab Weight+LL 222.44898 psi <br /> 222.44898 5 1,000 OK <br /> Earthquake/Wind Loading <br /> e eccentricity =MIP 15.625 In <br /> ek kern distance =w/6 14 in <br /> 15.625 > 14 note:e>w/6 <br /> Slab to be Designed within Kern Area <br /> Q,,m wlm =4"P/(3*(w-2"e/12)"I) 259.98646 pef <br /> 259.98646 s 1330 OK <br /> Q„,U w„yt, =QNQM+6*M/(w'N2) 290.77988 psf <br /> 290.77988 5 1330 OK <br /> Check the Thickness For Two-Way Shear <br /> d Max Equals t-3" 3 3 In. <br /> b Skid Width(C6x8.2) 6 In. <br /> bb Perimeter of Skid=2*b+2*W 104 in. <br /> V. Max Shear(P/#Skids) 3 kips <br /> 1,000 Gal KT.xisx 4 of 0 <br />