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� <br /> � �,� .�. � <br /> , , . <br /> S-P TESTING, INC. <br /> 951 KATYDID LANE <br /> ST. MICHAEL, MN 55376 <br /> � 497-3566 <br /> Steven B. Schirmers <br /> October 8, 1990 <br /> Steiner & Koppelman, Inc. <br /> Lot 2, Block 1 <br /> Holly Acres <br /> Orono, Henn. co. , MN <br /> / ' -� <br /> This system is Designed for a Type 1,; five bedroom home and in accordance <br /> with the Minnesota Pollution ControL, Age y�hapter 7080 and local <br /> ordinances. � <br /> The soils on this site are typical of SCS soils z�apped - HeC2 - Heyder <br /> clay �loam & HeB - Heyder sandy loam. A seasonally high water table <br /> was located at 54" , 56" , 58" , 60" & 78" , (mottled soil) . The bottom <br /> of each trench must be located at least 3 ' above the seasonally high <br /> water table. A Shallow Trench System may be installed 18" deep. <br /> The soils at a depth of 18" & .24" have a percolation rate averaging <br /> 13 . 6 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 po�rer 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 /> (Mercury floats are a good method) . The supply line pipe must have back <br /> drainage to the _�umping chamber. <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 before construction. <br /> With proper installation and maintenance, this system should have no <br /> problem in treating septic effluent effectively. <br /> Recommend to pump the septic tank every year if there is only 1 tank <br /> & every 2 years if there are 2 tanks. �' '� <br /> Soil and Percolation Tests ���• ���� <br /> Septic Srstem Design Steven B. Schirmers AS <br /> SBS/ds <br />