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S-P TESTING, INC. Steven B. Schirmers - MPCA Cert.No. 627 <br /> 951 Katydid Lane NE - St. Michael, MN 55376 - (763) 497-3566 <br /> FAX (763)-497-5011 <br /> State License #394 <br /> ORONO COPY <br /> CITY OF ORONO <br /> July 22, 2008 SEPTIC <br /> IIV3PECTORT©A <br /> nATC <br /> paC&ERMIT NO6 <br /> APPROVED AS RUBUF TED <br /> William Robinson 9 <br /> APPROVED WffHCORRECTIONSARNWft <br /> Sub-Division Lot 2 - Existing House NOT APPROVBA6CMRWTARBWBWT <br /> 550 Willow Drive Is"ooaWhm"90Olt4PFdkabbUP*OWAmong04& <br /> Orono, Henn. Co., MN 1tcgvkmw"i0dudhighmssoWWWWOUpw" W4" <br /> IBP T"IM Mes M UMATA"TWO <br /> This site has an existing on-site sewage treatment system which is classified as non- <br /> compliant due to not meeting a 3' separation from the bottom of the system & mottled <br /> soil (redox features). <br /> This on-site sewage treatment system is designed for a Type 1, four bedroom home, <br /> (area shown on the site plan is for a 5 bedroom home) in accordance with the <br /> Minnesota Pollution Control Agency Chapter 7080 and local ordinances. <br /> The soils on this site are a clay loam. The periodically saturated soils were located at <br /> 28" to 50" (redox features). Due to the seasonally saturated soils, a Pressurized <br /> Mound System will need to be installed to treat septic effluent. The bottom of the rock <br /> must be located at least 3' above the saturated soils_ <br /> ORONO COPY <br /> The soils at a depth of 12" have a percolation rate of 8.6 mpi. <br /> The existing tanks are old &will need to be abandoned & filled with soil & install 3 - <br /> 1000 gallon tanks. <br /> A pumping chamber will need to be installed to lift the effluent 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 /> ORONO COPY <br /> KDRM NNOCKMIN gMM <br /> 1�Dii00M�M{iI�UE�A�U t�,$QI; , <br />