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� , <br />� y . . <br /> ti • , + . . <br /> S-P TESTII'VG, INC. ` , <br /> . 961 KATYDID LANE � ' <br /> ST. MICHAEL, MN 56378 ' <br /> 497�3588 � ' ' <br /> . STEVE�IIi1MER8 <br /> ' August 11, 1987 <br /> Landmark Construction <br /> Lot 3, 3820 Bayside Rd. . <br /> Orono, Henn. Co. , MN. <br /> This system is designed for a Type 1, four bedroom home and in accordance <br /> witYi 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. A seasonally high water table was loacated� at the su�rface. This <br /> area has beEn e�tcavated. Assuming the seasonally� high water table at the <br /> surface, a pressurized mound system will need to be installed. The � <br /> bottom of the rock bed must be located at least 3.' above the seasonally <br /> high water table. � • <br /> The soils at a depth of 18" have a percol�tion rate averaging 22.8 min/inch <br /> and are adequate for treating septic effluent. ; <br /> A pumping chamber will need to be installed to lift the efflue�t to the <br /> treatment area. ' . <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 <br /> the rock and sand fill material are clean. 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 located outside ths manhole and <br /> pumping chamber in a weather proof �nclosure. 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 /> All neighboring wells are located more than 75' away from the proposed <br /> treatment area. . <br /> Keep all heavy equipment off of �the proposed trea�ment 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 <br /> problem in treating septic effluent effectively. • • <br /> It is recommended that the septic �tanks be pumped every 2 years. <br /> Soil and Pe�colat[on Testa � `� " `' ' ," — <br /> Septtc Syite�n De�t�n $teven B. Schirmers <br /> . <br /> SBS/ds . ' • <br /> � <br />