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545 Indi3,i P.'.�:und <br />%Viizata, Minnesota 55391 <br />(612) 473-4224 <br />May 6, 1977 0 <br />G <br />MAY 10 197-1 <br />Ms. Nancy Curry <br />Roger Fazendin Realtors, Inc. VILLAGE 08 ORONO <br />Wayzata, 11innesota 55391 <br />Re: Tract D, R.L.S. 1275 plat 43152 parcel 4000, which is <br />east of Brown Road and about a mile north of U.S. 12. <br />Dear Its. Curry: <br />Enclosed are drawings and specifications for an on -land sewage <br />treatment s}stem for the above referenced lot. The drain - <br />field design was based on the percolation tests and the soil <br />boring performed on May 2 and 3, 1977. The locations of the <br />percolation tests holes and the soil borings are shown in <br />Figure 1. Soils encountered in the seven foot soil boring <br />were topsoil over brown clay over brown silty clay. No ground- <br />water was found in the soil boring hole. The percolation <br />rate for the primary drainfield averaged 78 minutes per inch. <br />The percolation rate in alternate drainfield area was greater <br />than 120 minutes per inch. The suggested disposal system for <br />this alternate drainfield area is a mound treatment system. <br />Stated percolation rates are averaged for the locati,...s shown <br />and no guarantee is implied or expressed that these conditions <br />exist for the entire proposed drainfield area. <br />Sincerely, 1 <br />EUGEN A. HICKOK AND ASSOCIATES � l <br />Philip Pins <br />�L <br />Enclosure AO�iI <br />PJP/lkg <br />cc: <br />A�ck.a�-,'js� �,nwtsOn <br />t <br />