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�.7–P TESTING� llr C. Steven B. Schirmers — MPCA Cert_ R�o. 627 <br /> • 951 Katydid Lane NE • St. Michael, MN 55376 • (612) 497-3566 <br /> December 20 , 1993 <br /> Dickey site 3 � -� j�,, <br /> Lot 7 , b 1 ock � �— ;��i��. � rN�_ <br /> Orono , Henn. Co. , MN �(�`��� �' �yat� � <br /> � �Q )�, <br /> .��---fi <br /> ���,� - �.� � <br /> � <br /> This On-Site Sewage Treatment System is Designed for a Type l , five <br /> bedroom home in accordance with the Minnesota Pollution Control <br /> Agency Chapter 7080 and local ordinances . <br /> The soils on this -itr� are S�S soils mapped - L,rB - Lest2r loam. <br /> A seasonally high water table was located at 12" to 24 " , (;nottled <br /> soil ) . Due to the seasonally high water table , a Pressurized <br /> Mound System will need to be installed. The bottom of the rock <br /> bed must be located at least 3 ' above the seasonally high water <br /> table . <br /> The soils at a depth of 12" have a percolation rate averaging <br /> 8 . 1 min/inch. <br /> A pumping chamber will need to be i:�stalled to lift the efflaent <br /> to the treatment ar�a . <br /> The manifold and supply line pipe must have back drainage to the pumpinq <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 the manhole and <br /> pumping chamber in a weather proof enclosur�e . A warning device must <br /> be installed with a liqht and sound device, this is in case of a pump <br /> failure . Mercury floats are a good methad. <br /> All neighboring wells are located greater than 100 ' away from the <br /> proposed treatment area . <br /> CONT ' D <br />