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• <br /> Snohomish County <br /> Planning & Development Services <br /> GENERAL DESCRIPTION OF SOILS <br /> Soil Type Allowable Pressure <br /> Based on the unified classification system (Pounds per square foot) <br /> No allowances made for overburden pressure, <br /> embedment depth,water table height, or settlement <br /> problems <br /> Rock or hard pan 4,000 and up <br /> Sandy gravel and gravel , 2,000 <br /> Sand, silty sand, clayey sand, silty gravel,or clayey 1,500 <br /> gravel <br /> Clay, sandy clay, silty clay, or clayey silt 1,000 <br /> Uncompacted fill Special analysis required <br /> Peat or organic clays _ Special analysis required <br /> If the soil type cannot be determined, a 1,60 PSF soil bearing shall be applied. <br /> The undersigned does hereby acknowledge that he/she does understand that the Snohomish County submittal and <br /> review processes will be based on the information provided herein and will be verified at the time of inspection. <br /> 2 <br /> Sifjnature Applicant/Dealer/Installer Date <br /> • <br /> Mobile I Manufactured Home Plan Review Specification,Page 2 of 2 REV September 2007 <br />