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a _. <br /> � . . � . <br /> �7'P T��TI�G, INC. Steven B. Schirmers — MPCA Cert. No. 627 <br /> 951 Katydid Lane NE • St. Michael, MN 55376 • (612) 497-3566 <br /> September 3, 1991 <br /> Sally Olson - Burnett Realty <br /> Lot 2, Block 1 <br /> Meyer Dairy Addition <br /> Orono, Henn. Co. , MN <br /> This On-Site Sewage Treatment System is Designed for a Type 1, four <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 ma�ped - L+B - LeSueur loam. <br /> This site has an existiz�g Pressurized '�ound System which extends <br /> onto ,the adjacent property to the north. A seasonally high wate.r <br /> table was located at 24" , 28" & 30" , (mottled soil) . Due to the <br /> seasonally high water table, a completely new Pressurized Mound <br /> System will need to be installed. Therz are 2 septic tanks & <br /> 1 pumping chamber that may be used upon approval by the local <br /> Inspector. <br /> The soils at a depth of 12" have a percolation rate averaging 4.1 <br /> min/inch. <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 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 /> . CONT' D <br />