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3CU (,,,> w A-n`-i2` ('J <br /> S-P TE <br /> 951 KATYDID LANE <br /> ST. MICHAEL, MN 55376 <br /> 497-3566 <br /> Steven 3.. Schirmers <br /> October 19 , 1989 <br /> REVISED May 13 , 1993 <br /> Steve Wirtjes <br /> 3085 Watertown Rd. <br /> Sub-Div. ,So. Site 2 Acres . <br /> Orono, Henn. Co. , MN <br /> This system is Designed for a Type 1, four bedroom home and in accordance <br /> with the Minnesota Pollution Control Agency Chapter 7080 and local <br /> ordinances . <br /> The soils on this site are typical of SCS soils mapped - KkC - Kilkenny <br /> loam. A seasonally high water table was located at 16" , 18" , 2411 , <br /> 26" & 28" , (mottled soil ). . Due to the seasonally high water table, ' <br /> apressurized mound- system will need to be installed. The bottom of <br /> the rock bed must be located at least 3 ' above the seasonally high <br /> water table . <br /> The soils at a depth of 18" have a percolation rate averaging 2 . 8 <br /> min/inch and are adequate for treating septic effluent. <br /> A pumping chamber will need to be installed to lift the effluent to the <br /> treatment area . <br /> The manifold and supply line pipe must have back drainage to the pumping <br /> chamber. The distribution pipes shall have their ends capped. Be sure <br /> the rock and sand fill material are clean. The sod layer below the <br /> entire mounded area must be turned over, just break up the sod , be sure <br /> not to over work. <br /> The power supply and switches must be located outside the manhole and <br /> pumping chamber in a weather proof enclosure. A warning device must be <br /> installed with a light and sound device , this is in case of a pump failure . <br /> r <br /> (Mercury floats are a good method) . <br /> All neighboring wells are located more than 100 ' away from the proposed <br /> treatment area . <br /> Keep all heavy equipment off of the proposed treatment area before and <br /> after construction as much as possible . The treatment area should be <br /> marked off beforefconstruction. <br /> Soil and Percolation Tests CONT ' D <br /> Septic System Design <br />