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Soil Profile Information: <br /> To gain an understanding of the site-specific soils, the subsurface soil profile was recently <br /> observed and was logged in the general vicinity of the reported existing leach field. <br /> Using a rubber tire backhoe, excavation was made to determine the soil characteristics and <br /> general suitability for an onsite sewage treatment system. Samples were collected from within the <br /> excavations. Soils were analyzed and logs were recorded using field textural methods and other <br /> soil characteristics were recorded according to accepted USDA soil classification methods. <br /> Overall, the soil was found to generally be a loam underlain with a sandy loam. <br /> Soil profile log is presented in Appendix G. <br /> The soil characteristics, as described on the soil logs, appears conducive with the anticipated use <br /> to serve restrooms and breakrooms for the proposed facility. <br /> Percolation Testing: <br /> The design flow from the proposed use, specifically consisting of up to 9 employee 8 hour shifts <br /> per day will be a relatively light use as compared with the assumed design follow for the existing <br /> dwellings based on bedroom counts. <br /> Based on the soil profile characteristics observed in the soil profiles, a percolation rate is <br /> anticipated to be in a range of 15 to 30 minutes per inch. <br /> Dispersal Field Hydraulics: <br /> Proposed Use: <br /> 9 employees x 20 GPD/employee = 180 GPD design flow <br /> Existing dwellings design flow (based on bedroom count) <br /> 3 bedroom main dwelling Y 120 GPD = 360 GPD <br /> 2 Bedroom trailer x 120 GPD = 240 GPD <br /> Total for current dwelling arrangement = 600 GPD <br /> Considering just the main house for design capacity since a septic system currently services this <br /> main house is the only septic system proposed to continue to serve the proposed building use. <br /> Indeed 180 gallons per day is well under the design flow of 360 GPD. <br /> Based on the proposed use being well under the current design flow, there is hydraulic design <br /> capacity in the current septic system to serve he proposed use. <br /> Acorn Onsite, Inc. <br /> Nitrate Loading Study and soil Suitability Report—24707 South Bird Road <br />