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� �I � . <br /> ��P TESTING, INC. Steven B. Schirmers — MPCA Cert. No. 627 <br /> 951 Katydid Lane NE • St. Michael, MN 55376 • (612) 497-3566 <br /> April 4 , 1992 <br /> Greg Malik <br /> 3060 Co.Rd.#6 <br /> North Parcel, Lot 1 <br /> Orono, Henn. Co. , MN <br /> This On-Site Sewage Treatment Sysi:er�l is Designed for a Type 1, �`ive. <br /> (Design sliows 5BR for Sub-Div) bedroom Yi�me in accord�iic� witti tY�e <br /> Minnesota Pollution Control Agency CYiapt�i 7Q80 and local ordir.aiices. <br /> The soils on this site are SCS soils mapped - L+B - LeSueui loar►�. <br /> A seasonally high water table was located at 12" to 22" deep, <br /> (mottled soil) . Due to the �easonally tiic�h ��ater table, a <br /> Pressurized Mound System will neec� to be installed. The bc�ttorn <br /> of the rock bed must be located at least 3 ' above the seasonally <br /> high water table. � <br /> The soils at a depth of 12" have a percolati�n rate �veraging 10. 4 <br /> min/inch and are adequate for treatincJ septic effluent. <br /> A pumping chamber will need to be installed to lift the efflLient to the <br /> treatment area. <br /> The manifold and supply line pipe must liave 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 outside the manhole and <br /> pumping chamber in a weather proof enclosure. A warning device must be <br /> installed 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 greater than 10'0 ' away from the <br /> proposed treatment area. <br /> CONT' D <br />