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. ,'� • <br /> . � a � � <br /> r. rm�t - �' � � -_;' ', <br /> _ S-�' �'�S � Il��� �1'��. � C�6 <br /> 951 KATYDiD LANE � `y�$ <br /> ST. MICHAEL, MN 55376 ! NOV � 3 � ,,: ,: <br /> 457-3566 ,..`.�'✓ <br /> S7EVE SHIRMERS <br /> August 1.2 , _ <br /> Landmark Construction <br /> Lot 2 , 3820 Bayside Rd. <br /> Orono, Henn. Co. , MN. � <br /> This, system is designed for a Type 1, four bedroorri home and in accordance <br /> with the Minnesota Pollution Control Agency standards WPC 40 and locai <br /> ordinances . <br /> The soils on this site are typical of SCS soils mapped - KkD - Kilkenny <br /> loam. A seasonally high water table was located at 12" , i6" , 1B" , & 20" , <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 10 . 4 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 /> treatment area. <br /> The manifold and supply line pipe must have back drainage to tne ��ump�ng <br /> chamber . The distribution pipes shall have their ends capped. Be sure <br /> the rock and sand fill material are clean. The sod iayer 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 iocated 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, tr.is is in case of a pump faiiure . <br /> (Mercury floats are a good method) . <br /> All neighboring wells are located more than 75 ' away from tY:e 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 shouid be <br /> marked off before construction. <br /> With proper installation and maintenance, this system snouid have no <br /> problem in treating septic effluent effectively. <br /> It is recommended that the septic tanks be pumped every 2 years . <br /> �!-;!= �� f � � <br /> Soil and Percolate�n festa �''� � � <br /> Steven B. Schirmers <br /> Septic Syatem Deaign <br /> • SBS/ds <br />