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. � <br /> r':�' TLSTING� llr C. Steven B. Schirmers — MPCA Cert. No. 627 <br /> � 951 Katydid Lane NE • St. Michael, MN 55376 • (612) 497-3566 <br /> July 25 , 1995 <br /> ��J►sco b1 -�3-g S �S, <br /> Mike Hilbelink <br /> Lot 3 , Block 1 <br /> Rosch Addition <br /> Orono, Henn. Co . , MN <br /> This On-Site Sewage Treatment System is Designed for a Type l, five <br /> bedroom home Designed in accordance with the Minnesota Pollution <br /> Control Agency Chapter 7080 and local ordinances . <br /> The soils on this are a clay loam. A seasonally high water table <br /> was located at 12" to 26" (mottled soil ) . Due to the seasonally <br /> high water table, a Pressurized Mound System will need to be <br /> installed. The bottom of the rock bed must be located at least <br /> 3 ' above the seasonally high water table . <br /> The soils at a depth of 12" have a percolation rate averaging <br /> 4 . 3 min/inch. <br /> A pumping chamber will need to be installed to lift the effluent <br /> to the treatment area . <br /> The manifold and supply line pipe must have back drainage to the <br /> pumping chamber . The distribution pipes shall have their ends <br /> capped . Be sure the rock and sand fill material are clean. The <br /> sod layer below the entire mounded area must be turned over, just <br /> break up the sod, be sure not to over work. <br /> The power supply and switches must be located outside the manhole <br /> and pumping chamber in a weather proof enclosure. A warning device <br /> must be installed with a light and sound device, this is in case of <br /> a pump failure. <br /> All neighboring wells are located greater than 100 ' away from the <br /> proposed treatment area. <br /> CONT ' D <br />