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'-I <br />.H <br />S-P TESTING, INC. <br />951 KATYDID LANE <br />ST. MICHAEL. MN 65376 <br />497-3566 <br />Betz Builders <br />Lot 1# Block 2 <br />McCulley Farm <br />^^Orono/ Henn. Co.» MN. <br />STEVE SHIRMER8 <br />April 21, 1987 <br />G>/2, <br />This system is designed for a Type 1, four bedroom home and in accordance <br />with the Minnesota Pollution Control Agency standards WPC 40 and local <br />ordinances. <br />The sons on this site are typical of SCS soils mapped - KIC2 - Kilkenny <br />loam boardered by LmB Lerdal loam. A seasonally high water table was loca­ <br />ted at 14", 18", 20" & 26", (mottling). Due to the seasonally high water <br />table, a pressurized mound system will need to be installed. The bottom <br />of 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 9.7 min/inch <br />and are adequate for treating septic effluent. <br />A pumping chamber will need to be installed to lift the effluent to the <br />mound system. <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 entire <br />mounded area must be turned over, just break up the sod, be sure not to <br />over work. <br />The power supply and switches must be located outside the manhole and pump­ <br />ing chamber in a weather proof enclosure. A warning device must be in­ <br />stalled 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 before and after construction as much as possible. The <br />treatment area should be marked off before construction. <br />With proper installation and maintenance, this system should have no prob­ <br />lem in treating septic effluent effectively. <br />It is recommended that the septic tanks be pumped every 2 years. <br />Soit and Percotalion Tasti <br />Seplic Sygtam Daiign <br />St <br />Steven B. Schirmers <br />SBS/ds