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S-P TESTING, INC. Steven 8. Schirmers -MPCA Cert. No. 627 <br />951 Katydid Lane NE • St. Michael, -MN 55376 • (612) 497-3566 <br />April 14, 1992 <br />John Burger <br />3750 Bayside Parcel C <br />Orono, Henn. Co., MN 04 ~- <br />This On-Site Sewage Treatment System is Designed for a Type 1,Five <br />bedroom home in accordance with the Minnesota Pollution Control <br />Agency Chapter 7080 and local ordinances. <br />The soils on this site are SCS soils mapped -LmB -Lerdal loa~. <br />A seasonally high water table was located at 14" to 24", (mottled <br />soil). Due to the seasonally high water table, a Pressurized <br />mound System will need to be installed. The bottom of the rock <br />bed must be located at least 3' above the seasonally high water table. <br />The soils at a depth of 12" have a percolation rate averaging 13.8 <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 <br />pumping chamber in a weather proof enclosure. <br />installed with a light and sound device, this <br />(Mercury floats are a good method). <br />outside the manhole and <br />A warning device must be <br />is in case of a pump failure. <br />All neighboring wells are located greater than 100' away from the <br />proposed treatment area. <br />CONT'D