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• 1 1 <br /> S-P TESTING, INC. <br /> - 951 KATYDID LANE <br /> ST. MICHAEL, MN 55376 �o,,oc� <br /> 497-3566 Q n <br /> STEVE SHIRMERS �� �� <br /> June 8 , 1 7 <br /> John McDowell <br /> Lot 2 , Block 1 .Z 6 1990 <br /> Woodhill � �- <br /> Orono, Henn. Co. , MN. <br /> This system is designed for a Type 1, five 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 loam. <br /> A seasonally high water table was located at 20" , 28" , 30" , 50" & 54" , <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 /> The soils at a depth of 18" have a percolation rate averaging 16 .3 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 have back drainage to the pumping <br /> chamber. The distribution pipes shall have their ends capped. Be sure the <br /> . rock and sand fill material are clean. The sod layer below the entire <br /> mounded area must be turned over, just break up the sod, be sure not to <br /> over work. <br /> it, <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. .� <br /> Keep all heavy equipment off of the proposed treatment area before and after <br /> construction as much as possible. The treatment area should be marked off <br /> before construction. <br /> With proper installation and maintenance, this system should have no problem <br /> in treating septic effluent effectively. <br /> It is recommended that the septic tanks be pumped every 2 years. <br /> Soil and Percolation Tests <br /> • Septic System Design Steven B. Schirmers <br /> SBS/ds <br />