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S-P TESTING, INC. Steven B. Schirmers • MPCA Cert.No. 627 <br /> 951 Katydid Lane NE • St. Michael, MN 55376 • (763) 497-3566 <br /> FAX (763)-497-5011 <br /> State License #394 <br /> June 16, 2003 MVO?ORONO <br /> M212fVeltIMMO <br /> ' p. v� <br /> must <br /> 11V10411111111 <br /> MN/DOT amscilara None <br /> OTRAPICTOVSINCORIUICT*U$VRMi1' <br /> 1200 Orono Oaks Dr. <br /> 'ArwwwuiMw lit per Mme► An work.AA 6r de* <br /> Orono, Henn. Co., MN I.am orepliows* wide fed mist <br /> $aW''M4!*% ONO $ATMl.pan*solid rriir+wMry. <br /> The existing on-site sewage treatment system is located in the construction limits for <br /> State Highway 12. The existing tanks may be used if water tight. <br /> This on-site sewage treatment system is designed for a Type 1, three bedroom home, <br /> in accordance with the Minnesota Pollution Control Agency Chapter 7080 and local <br /> ordinances. <br /> The soils on this site are a clay loam. The seasonally saturated soils were located at <br /> 14" to 20" (mottled soil). Due to the seasonally saturated soils, a Pressurized Mound <br /> System will need to be installed to treat septic effluent. The bottom of the rock must be <br /> located at least 3' above the saturated soils. <br /> The soils at a depth of 12" have a percolation rate of 20.0 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 /> 1 <br />