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1y 1 <br /> d • <br /> • <br /> � 9 1 KATYDID LANE <br /> -- p7°Ir. mak: 7�4 '..' ,CHAEL, MN 55376 <br /> k � 497-3566 <br /> spa ' �1 <br /> .� <br /> LJSt en B. SChirmers <br /> July 19 , 1989 <br /> Nina Wildman Property <br /> Lot 3 , Blk . 3 , 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" , 20" , 22" , <br /> 24" , 26" & 30" , (mottled soil ) . Due to the seasonally high water table, <br /> a pressurized mound system will need to be installed. The bottom of the <br /> , rock bed must be located at least 3 ' above the seasonally high water <br /> table . <br /> The soils at a depth of 18" have a percolation rate averaging 13 . 8 <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 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 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 Tests • S---C _- 2 • <br /> Septic System Design Steven B. Schirmers IDS <br /> SBS/cls <br />