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Our Job E1-20-00 <br />Least Footing <br />width (ft) <br />or more <br />3 <br />4 <br />5 or more <br />Page 13 <br />A11ott'3b1€ Bearing <br />PressureFooting Shape <br />Square <br />( Interior Colurrr) <br />Rectangular <br />(Perimeter Panel) <br />4 <br />5 <br />6 <br />20 00 <br />2500 <br />3000 <br />2000 <br />2 500 <br />3000 <br />2.37, <br />The recommended ninimun footing embedment is 12 <br />inches into compacted subgrade. <br />Prelininary settlement calculations indicate that <br />,- to 3/4-inch of settlenent should be anticipated for the <br />square footings with 65 kip loading, and at least one inch <br />of settlement for the exterior rectangular footings. When <br />the final footing sizes are determined, further settlement <br />analysis may be warranted. <br />S1 abs on Grade.Assuming the surficial on-site <br />soil within the building area is properly recompacted and <br />will be utilized for slab on grade support, w€ would expect <br />that soil to exhibit 1ow expansion potential. <br />A nodulus of subgrade reaction, i.e., of 200 <br />psi/ inch may be util ized for the design of concrete slabs <br />on grade subjected to heavy wheel loadings. Floor slabs <br />to be carpeted or tiled should be underlain by a vapor <br />barrier, i.€., 6-.nil Visqueen topped with one to two i4ghes <br />of sand.