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s <br />S-P TESTING, INC.Steven B. Schirmers • MPCA Cert.No. 627 <br />951 Katydid Lane NE • St. Michael, MN 55376 • (612) 497-3566 <br />FAX(612)-497-5011 <br />State License #394 <br />I <br />May 19, 1997 <br />Ted Wolff <br />900 Willow Drive North <br />Lot 2 <br />Orono, Henn. Co., MN jUL 2 3 <br />cnv Of ORONO <br />This on-site sewage treatment system is designed for a Type 1, five bedroom home, in <br />accordance with the Minnesota Pollution Control Agency Chapter 7080 and local <br />ordinances. <br />The soils on this site are SCS soils mapped - LTB - LeSueur loam. The seasonally <br />saturated soils were located at 12" to 26" (mottled soil). Due to the seasonally saturated <br />soils, a Pressurized Mound System will need to be installed to treat septic effluent. The <br />bottom of the treatment area must be located at least 3' above the saturated soils. <br />The soils at a depth of 12" have a percolation rate averaging 12.7 mpi. <br />A pumping chamber will need to be installed to lift the effluent to the treatment area. <br />The power supply and switches must be located outside the manhole and pumping <br />chamber In a weather proof enclosure. A warning device must be installed with a light <br />and sound device, this is In case of a pump failure. <br />The manifold and supply line pipe must have back drainage to the pumping chamber. <br />The distribution pipes shall have their ends capped. Be sure the rock and sand fill <br />material are clean. The sod layer below the entire mounded area must be turned over, <br />just break up the sod, be sure not to over work. <br />All neighboring wells are located greater than 100’ away from the proposed treatment <br />area. <br />1