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���_ �U���� . L�-? 1 - `'��; <br /> ,. <br /> �n ,. , <br /> , �":� �`�.�� � 1�. ��.� �' �1�'� �• <br /> ?�i iCATYDID L NE <br /> ST. M!��AEL, MN 55376 <br /> �J7-35E;� <br /> `�te�en 3. Sch ' rmers <br /> October 26 , 1989 <br /> Lee Mahoney <br /> John McDowell <br /> Tract A, RLS 748, Lot � Bayside ridge <br /> Parcel l, East Site Sub-Div. <br /> Orono, Henn. Co. , MN ' <br /> � <br /> This system is Designed for a Type l, f ur bedroom home and in accordance <br /> with the Minnesota Pollution Control Ag ncy Chapter 7080 and local <br /> ordinances . <br /> The soils on this site are typical of S S soils mapped - KkC2 - Kilkenny <br /> clay loam. A seasonally high water tab e was located at 14" , 16" , <br /> 18" , & 22" , (mottled soil ) . Due to the seasonally high water table, <br /> a pressurized mound system will need to be installed. The bottom of <br /> the rock bed must be located at least 3 above the seasoiially high <br /> water table. <br /> The soils at a depth of 18" have a perc lation rate averaging 27 . 5 <br /> min/inch and are adequate for treating eptic effluent. <br /> A pumping chamber will need to be insta led to lift the effluent to the <br /> treatment area. <br /> The manifold and supply line pipe must ave back drainage to the pumping <br /> chamber. The distribution pipes shall ave their ends capped. Be sure <br /> the rock and sand fill material are cle n. 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 1 cated outside the manhole and <br /> pumping chamber in a weather proof encl sure. 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 /> Al1 neighboring wells are located more han 100 ' away from the proposed <br /> treatment area. <br /> Keep all heavy equipment off of the pro osed treatment area before and <br /> after construction as much as possible . The treatment area should be <br /> marked off before construction . . <br /> CONT' D <br /> Sc�ii an.rf Percr�la ion Texts <br /> C,.,�;� �yc���m I��r.si,�n <br /> �� I <br />