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S-P TESTING, INC. <br /> 951 KATYDID LANE <br /> r ST. MICHAEL, MN 55376 <br /> 497-3536 <br /> Steven B. Schirmers <br /> July 17, 1989 <br /> Nina Wildman Property <br /> Lot 5 , Blk. 2 , Fox Bend <br /> Orono, Henn. Co. , MN <br /> This system is Designed for a Type 1, four bedroom home and in accordance <br /> with the Minnesota Pollution Control Agency Chapter 7080 and local <br /> ordinances . <br /> The soils on this site are typical of SCS soils mapped - LrB - Lester <br /> loam. A seasonally high water table was located at 18" , 22" , 24" , 28" , <br /> 32" & 36" , (mottled soil );. Due to the seasonally high water table , <br /> a pressurized mound system will need to be installed. The bottom_ of <br /> the rock bed must be located at least 3 ' above the seasonally high <br /> water table. <br /> The soils at a depth of 1.8" have a percolation rate averaging 21. 9 <br /> min/inch and are adequate for treating septic effluent. <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 mustbe 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 /> • <br /> All neighboring wells are located more than 100 ' away from the proposed <br /> treatment area. <br /> Keep all heavy equipment off of' the proposed treatment area before and <br /> after construction as much as possible. The treatment area should be <br /> marked off before construction. <br /> With proper installation and maintenance, this System should have no <br /> problem in treating septic effluent effectively. <br /> Recommend to pump the septic tank every year if there is only 1 tank <br /> & every 2 years if there are 2 tanks . <br /> Soil and Percolation Testa <br /> e. ccx . <br /> Septic System Design Steven B. Schirmers <br /> SRS/do <br /> 1 <br />