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•-J <br />m Hakanson <br />Anderson <br />Assoc, Inc <br />i <br />Engineers, Surveyors <br />Landscape Architects <br />August 2, 1988 <br />EXHlpiT I'l <br />Lauer Homes <br />Attn: Ron Lauer <br />1212 E. Wayzata Blvd. <br />Wayzata, MN 55391 <br />Dear Ron: AM <br />At your request, a site evaluation to determine soil suitability for <br />on-site sewage treatment was performed at part of the Southeast 1/4 <br />of the Northeast 1/4 of Section 36, Township 118, Range 23 in <br />Hennepin County, Minnesota. Standard methods of percolation <br />testing were employed. Elevations are relative to an assumed <br />elevation of 100.0 based at the top of a nail at ground level on <br />the east property line (see enclosed sketch). <br />This report includes: <br />1. <br />2. <br />3. <br />4 . <br />5. <br />Soil boring logs * <br />Percolation test results <br />Testhole location and septic system configuration <br />sketch <br />Septic system design specifications <br />Discussion and recommendations. <br />The soil boring logs show that sandy loam surface soils oveilie <br />sandy loam to sandy clay loam subsurface soil horizons. Soil <br />mottling begins at 2.7 to 3.0 tS9t depth at the boreholes. Soil <br />mottles (spots of contrasting coIPbr) are accepted indicators of <br />periodic saturation in soils. Ground water was not encountered. <br />Percolation test results are a^ follows: <br />Hole Elevation Depth (inches) <br />Soil Texture at <br />Bottom of Hole <br />Percolation Rate <br />(min/in) <br />P-1 104.3 18 Sandy loam 12 <br />P-2 103.9 12 Sandy loam 16 <br />P-3 103.0 12 Sandy ■.• iiro 26 <br />F-4 101.8 24 Sandy loam 19 <br />P-5 100.9 12 Sandy loam 26 <br />P-6 100.0 24 <br />222 Monre <br />Anoka. MInnestvta 55303 <br />612/427-5860 <br />Sandy loam 24 <br />Eugene |. Hakanson. PE. <br />James M. Winter. LS. <br />Lawrence G Koshak. PE. <br />Peter R. Raatikka, PE.