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S-P TESTING, INC. <br />Rick Stueland <br />4080 Bayside Rd. (Co.Rd.84) <br />Orono, Henn. Co., MN. <br />951 KATYDID LANE <br />ST. MICHAEL, MN 55376 <br />497-3566 <br />STEVE SHIRMERS <br />October 31, 1986 <br />This system is designed for a Type 1, three bedroom home and in accordance <br />with the Minnesota Pollution Control Agency standards WPC 40 and local <br />ordinances. <br />The soils on this site are typical of SCS soils mapped -KkC -Kilkenny <br />loam & Erin soils. A seasonally high water table was located at 18" & 24", <br />(mottling). Due to the seasonally high water table, a pressurized mound <br />system will need to be installed. The bottom of the rock bed must be lo- <br />cated at least 3' above the seasonally high water table. <br />This site has a holding tank or tanks, which overflows to the surface. This <br />tank or tanks must be abandoned, pump & fill with soil. Two new tanks will <br />need to be installed. <br />The soils at a depth of 18" have a percolation rate averaging 8.2 min/inch <br />and are adequate for treating septic effluent. <br />A pumping chamber will need to be installed to lift the effluent to the <br />mound system. <br />The manifold and supply line pipe must <br />chamber. The distribution pipes shall <br />rock and sand fill material are clean. <br />mounded area must be turned over, just <br />over work. <br />have back drainage to the pumping <br />have their ends capped. Be sure the <br />The sod layer below the ent~re <br />break up the sod, be sure not to <br />The power supply and switches must be located outside the manhole and pump- <br />ing chamber in a weather proof enclosure. A warning device must be in- <br />stalled 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 and 50' away from the tanks. <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 prob- <br />lem in treating septic effluent effectively. <br />It is recommended that the <br />every 2 years. <br />SBS/ds <br />Soil and Percolation Tests <br />Septic System Design <br />septic tanks be pumped <br />s;--t;::_ 15. ~ ~ <br />Steven B. Schirmers