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Project No. JB-20100 <br /> 4 December 2000 <br /> Page 8 <br /> Table 2 <br /> FOUNDATION DESIGN CRITERIA <br /> BUILDING AND CANOPY <br /> CONTINUOUS STRIP AND ISOLATED FOOTINGS <br /> Item Criteria _ <br /> Width: <br /> Wall Footings (Continuous) Minimum 12 inches <br /> Column Footings (Isolated) Minimum 24 inches <br /> Embedment Depth <br /> Compacted Fill Minimum 18 inches <br /> Allowable Bearing Capacity** 2,000 pounds per square foot (psf) <br /> Coefficient of Sliding Friction 0.35 <br /> Footing embedment depth is measured from the lowest <br /> adjacent soil grade to the bottom of the footing. <br /> ** The recommendations above are for a foundation <br /> designed for net dead plus live loads. These bearing <br /> pressures may be increased by one-third for wind or <br /> seismic loads. <br /> The excavations for footings must be cleaned of all loose materials and <br /> debris, and moistened prior to placement of concrete. All footing <br /> excavations must be observed by our representative to verify the condition <br /> of the bearing material. If any localized areas of loose or soft undesirable <br /> subsoil are observed in footing excavations, the excavation for the footings <br /> must be over-excavated to firm soil and/or backfilled with compacted fill <br /> under the observations and testing of our representative. <br /> All footings should be reinforced with top and bottom reinforcement to <br /> provide structural continuity and to permit spanning of local irregularities. <br /> The reinforcement of the footing should be designed by a structural <br /> engineer. <br /> If a different type of foundation system is desired, this office should be called <br /> for supplemental recommendations. Such recommendations will be <br /> l presented as an addendum to this report. <br /> 1 <br /> WKorbmacher Engineering, Inc. <br />