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Z(�1 C� ('�u�v-r 2 � 51 `� l� � R �� <br /> S'P' TESTING, INC. Steven B. Schirmers — MPCA Cert. No. �27 <br /> 951 Katydid Lane NE • St. Michael, MN 55376 • (612) 497-3566 <br /> December 19 , 1993 <br /> Dickey site <br /> Lot 5 , Block 2 <br /> Orono, Henn . Co. , MN <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 arid local ordinances . <br /> The soils on this site are SCS soils mapped - LrB - Lester loam. <br /> A seasonally high water table was located at 18" to 32" (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 <br /> table . <br /> The soils at a depth of 12" have a percolation rate averaging <br /> 8 . 1 min/inch . <br /> A pumping chamber will need to be installed to lift the effluent <br /> to the treatment area . <br /> The manifold �n�l suc�c�J.y line pip� must have �aacic 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 outside the manhole and <br /> pumping chamber in a weather proof enclosure . A warning device must <br /> be installed with a light and sound device , this is in case of a pump <br /> failure . Mercury floats are a good method . <br /> All neighboring wells are located greater than 100 ' away from the <br /> proposed treatment area . <br /> CONT ' D <br />