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S-P TESTING, INC. <br /> 851 KATYDID LANE <br /> ST. MICHAEL, MN 55376 <br /> 497-3566 <br /> Steven B. Schirmers . <br /> April 12, 1990 <br /> Don Scott ' <br /> Lot 5, Block 1 ' ,� ,�-���� <br /> Longview� East parcel ' ���.;;,, � <br /> Orono, Henn. Co. , MN � A <br /> fi.'�"�'�:."t!� ����r "2aY <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. This Design is for future expansion for the existing <br /> house. � <br /> The soils on this site are typical of SCS soils mapped - LrB - Lester <br /> loam. A seasonally high water table was located at 22" , 24" & 30" , <br /> (mottled soil) . Due to the seasonally high water table, a pressurized <br /> mound system will need to be installed. The bottom of the rock bed <br /> must be located at least 3 ' above the seasonally high water table. . <br /> The soils at a dPpth of 18" have a percolation rate averaging 24.4 <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 /> :,. <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 /> (Mercury floats are a good method) . <br /> All neighboring wells are located more than 100 ' away from the proposed <br /> treatment area & 50 ' away �on this site. The City requires a 75 ' setback <br /> .from the well . The existing well will need to be moved at the time <br /> the future expansion area is needed. <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 /> CONT'D <br /> Soil and Percolation Teitt <br /> Septic Sy�tent Dtaign <br />