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/v �ev� G✓��/'��F� � �� �� .�- <br /> /�//�+ / <br /> S"P TES TING� �I11 Lr. Steven B. Schirmers • MPCA� ert.No. 627 <br /> ' 951 Katydid Lane NE • St. Michael, MN 55376 • (612) 497-3566 <br /> FAX (612)-497-5011 <br /> ' State License#394 <br /> July 26, 1996 <br /> Tony Shull <br /> 1125 Spring Hili Rd. <br /> Orono, Henn. Co., MN <br /> This on-Site Sewage Treatment System is Designed for a Type 1, six bedroom home, in <br /> accordance with the Minnesota Pollution Control Agency Chapter 7080 and local <br /> ordinances. " <br /> This site has an existing system classified as failed due to not meeting the 3' separation <br /> from the bottom of the system to the saturated soils. To adequately treat septic effluent, <br /> a Pressurized Mound System will need to be installed. The existing tanks may be used <br /> upon approval by the local Inspector. The tanks must be water tight. <br /> The soils on this site are SCS soils mapped - HcC2 - Hayden Loam. The seasonally <br /> saturated soils were located at 16" to 26" (mott(ed soil). Due to the seasonally saturated <br /> soils, a Pressurized Mound System will need to be installed to treat septic effluent. The <br /> bottom of the treatment area must be located at least 3'�above the saturated soils. <br /> The soils at a depth of 12" have a percolation rate averaging 9.5 mpi. <br /> A pumping chamber will need to be installed to lift the efftuent to the treatment area. <br /> The power supply and switches must be located outside the manhole and pumping <br /> chamber in a weather proof enclosure. A warning device must be installed with a light <br /> and sound device, this is in case of a pump failure. <br /> The manifold and supply lic�e pipe must have back drainage to the pumping chamber. <br /> The distribution pipes shall have their ends capped. Be sure the rock and sand fifl <br /> material are clean. The sod layer below the entire mounded area must be tumed over, <br /> just break up the sod, be sure not to over work. <br /> 1 <br />