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ANNAPOLIS LANI '?': <br />MINNIAPOLIS;. MINNtSOTA 8M41 <br />tUITf M <br />./ . • . <br />4 ' <br />December 8| 1976 <br />4» <br />. /Vait Ce»;kho-ii PuUding Corporal ton V75 <br />105^ .;-y/ata Boulevard <br />l/oyruto. Kinnr»otO 5539' <br />AltcntJon: Mr. Chuck Van Ecckhout STS Job. Mo. 90800 <br />0.. Soil Percolation Tests on Tract A of Registered land Survey Mo. U«'0 <br />Located East of Old Crystal Bay Road In Orono, Minnesota. <br />Centlenen: <br />We were retained by you to perform soil percolation tests at the above Site. <br />These tests were performed during the period of November 30 through DecMbar 5, <br />1976, at locations as shown on the enclosed soil percolation test location diagran. <br />The procedures utlllxed In this testing were In accordance with the mathods dai- <br />ignated by the Minnesota Department of Health, 1971. and were Son«what -odifled <br />by our engineering judgetnent. <br />The attached log sheets Indicate the observed parcolat'^ rates at aach of <br />tSn test holes (P-l through P-kS). The observed pcrcolat'-n rates varied from 50 <br />tc ICO minutes per Inch. The average percolation rate within th« preferred <br />efflu-nt disposal sys.em area on any one lot was less than the e-..lmuei atlowabla <br />of 60 minutes per Inch, as recoemended by the Minnesota Oep.rlm.nt of Health. <br />0.ssrd on th-se observations, the Installation of an Individual soil absorpUcKS <br />system will bo accept.nbln In the preferred septic system disposal field .ra.S OS <br />tc’^terf.