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r <br />Bruce KellP <br />2340 Fox St. <br />Orono, Minn. <br />Koeh's Soil Testing <br />P.O. Box 81 <br />Loretto, MN 55357 <br />Tel: (612) 479-2637 <br />8/4/95 <br />Job Site Twb lots at the above address <br />Two sites were tested to determine what type of drainfield could <br />be installed and still comply with the local and the Minn. State <br />Codes. <br />Tthe west lot In the Site 1A area had and average percolation rate <br />of 42.5 min/in. and the depth to mottled soil was at23-24 inches. <br />While in theSite-2A the ave. perc. rate was 39.2 min/in. and the depth <br />mottled soil was at 24-28 inches. <br />The results of the east 1/•2 18 e indicated that the Site #1 ( tested <br />on 5/26/95) had an'ave.perc. Xate of 25.6 min/in. and the depth to <br />mottled soil was at 24-29 inches. <br />+ 1 <br />While in the Site # -2 ( tested7/25/95) had a average perc. rate of <br />35 min/in. and the depth to mottled soil was at 18-29 inches. <br />4 <br />* Mottled soil is co nsider the seasonal saturated soil level that <br />exist durng the wet seasons. The City of Orono Codes state that the <br />minnmum depth to mottled soil be at 48 inches or deeper before a <br />standard trench drainfield can be installed. <br />Therefore with the above information the only type of system that <br />can be installed on these two lots is a pressurized mound system. <br />Site Evaluuaatoor e If <br />Robert A. Koch M.P.C.A# 1429 <br />Bruce KellP <br />2340 Fox St. <br />Orono, Minn. <br />Koeh's Soil Testing <br />P.O. Box 81 <br />Loretto, MN 55357 <br />Tel: (612) 479-2637 <br />8/4/95 <br />Job Site Twb lots at the above address <br />Two sites were tested to determine what type of drainfield could <br />be installed and still comply with the local and the Minn. State <br />Codes. <br />Tthe west lot In the Site 1A area had and average percolation rate <br />of 42.5 min/in. and the depth to mottled soil was at23-24 inches. <br />While in theSite-2A the ave. perc. rate was 39.2 min/in. and the depth <br />mottled soil was at 24-28 inches. <br />The results of the east 1/•2 18 e indicated that the Site #1 ( tested <br />on 5/26/95) had an'ave.perc. Xate of 25.6 min/in. and the depth to <br />mottled soil was at 24-29 inches. <br />+ 1 <br />While in the Site # -2 ( tested7/25/95) had a average perc. rate of <br />35 min/in. and the depth to mottled soil was at 18-29 inches. <br />4 <br />* Mottled soil is co nsider the seasonal saturated soil level that <br />exist durng the wet seasons. The City of Orono Codes state that the <br />minnmum depth to mottled soil be at 48 inches or deeper before a <br />standard trench drainfield can be installed. <br />Therefore with the above information the only type of system that <br />can be installed on these two lots is a pressurized mound system. <br />Site Evaluuaatoor e If <br />Robert A. Koch M.P.C.A# 1429 <br />;j <br />Rntwrt Koch , , MPCA Certified <br />