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,S-P TESTING, INC. Steven B. Schirmers - MPCA Cert.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 6, 1997 <br />Lauer Homes <br />Nelson Residence <br />Ferndale Road <br />Orono, Henn. Cc., MN <br />This On -Site Sewage Treatment System is Designed for a Type 1, five bedroom home, <br />in accordance with the Minnesota Pollution Control Agency Chapter 7080 and local <br />ordinances. <br />The soils on this site are SCS soils mapped -HID -Hayden loam. "i r; seasonally <br />saturated soils were located at 54" & 60" (mottled soil). The bottom of the treatment <br />area must be located at least 3' above the seasonally saturated soils. A Standard <br />Trench System may be installed. <br />The soils at a depth of 24" have a percolation rate averaging 11.9 mpi. <br />All neighboring wells are located greater than 100' away from the proposed treatment <br />area. <br />Keep all heavy equipment off of the proposed treatment area before and after <br />constriction. The treatment area should be marked off before construction. This <br />Design is not valid & the system will need to be relocated if failure to protect the areas <br />proposed for On -Site Sewage Treatment occurs. <br />With proper installation and maintenance, this system should have no problem in <br />treating septic effluent effectively. <br />