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� ' M.P.C.A. <br /> � - C. W. Lunser Co. <br /> Perc Tes[ing& Septic Designs • Soil Boring& Septic Eva/uations <br /> Licensed& Bonded <br /> South Village CERTIFIED <br /> 2233 Roosevelt Road #10 Bus: (320) 251-2851 <br /> St. Cloud, Minnesota 56301 Fax:�20) 251-2851 <br /> April 3, �7'L`�' °�a <br /> This system is designed for a 4 bedroom type 1 home and is <br /> designed in accordance with the Minnesota Pollution Control <br /> Agency Chapter 7080 and with local `codes i.n effect at this <br /> time. <br /> The soils on this site are typical of SCS soils mapped-Kil- <br /> kenny and Lester clay loam. MottZed soil in the absorbtion <br /> area was observed at 33" and standing water was observed at <br /> 24". r»�p to the evidence of a seasanal. hiRh water table a <br /> pressurized mound system will need to be installed. The bot- <br /> tom of the rock will be at least 3 ' above the seasonal high <br /> water table. <br /> The highest percolation rate measured out of three tests was <br /> 68 mpi and the average of the three was 46 mpi at a depth of <br /> 12". With proper design the soils are adequate for treating <br /> septic effZuent. <br /> A pumping station will need to be installed to lift the eff- <br /> luent to the treatment area. <br /> The manifold and supply line must have back drainage to the <br /> pumping station. The distribution pipes shall have their ends <br /> capped with a 1 /4" hole in the crown of the cap. Be sure the <br /> rock and sand fill material is clean. The sod layer below the <br /> entire mound area must be turned over. just break up the sod, <br /> be sure not to over work. <br /> The power supply and all switches must be located outside the <br /> manhole in a weather proof enclosure fastened to a treated post. <br /> A warning devise must be installed with a light and a sound <br /> device in case of pump failure. <br /> Al1 neighboring weils are located more than 100 ' from the pro- <br /> posed tanks and treatment area. <br /> Keep all heavy equipment off the proposed treatment area. The <br /> treatment area has been marked out with lath and is roped off. <br /> With proper installation and maintanance, this system should <br /> have no problem in treating septic effluent effectively. <br /> Re ommend to pump the septic tanks annually. <br /> W ! <br /> CLAY N W. LUNSER <br /> C.6d. LUNSER CO. <br />