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� � � -P T <br /> S ESTING� �NC. 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 /> June 30, 1999 <br /> Bob Lux <br /> 1209 French Creek Fr. <br /> Orono, Henn. Co., MN <br /> This site has an existing on-site sewage treatment system consisting of 2-1000 gallon <br /> septic tanks and 1000sq.ft. of trench system for a four bedroom home. The future site is <br /> located south of the existing system, south and southwest of the house. It appears that <br /> part of the future site was disturbed during construction for the house. The proposal is <br /> to construct a driveway through part of the old future site. Soil borings and percolation <br /> tests were completed in an area for a 1000sq.ft. pressurized seepage bed. The soils in <br /> the area of TH#4 are compacted with the compaction ending approximatefy 8' north of <br /> TH#4A, with the remaining soils being suitable for an on-site sewage treatment system. <br /> To assure long term survival of the system, a Class 1 Multi-Flo, Aerobic Wastewater <br /> Treatment System will be installed, which is classified as standard under Minnesota <br /> Chapter 7080 rules. The highly treated, filtered effluent produced by the Multi-Flo is <br /> over 95% free of the normal sewage contaminants that cause the progressive failure of <br /> conventional systems. The unit will be a 600 gal/day (4BR). A trash trap is installed in <br /> front of the Multi-Flo. The unit requires to be serviced 2 times a year which will be done <br /> by Schirmers Wastewater Treatment Systems, Inc. A 2 year service & parts warranty <br /> comes with the purchase of the unit. After that time, the homeowner is required to carry <br /> a Service Contract at $100.00 a year (1999 price). A report is sent to the homeowner, <br /> city, MPCA & Multi-Flo yearly. The trash trap, Multi-Flo and pumping chamber will need <br /> to be pumped when the setable soldis reach 50%. This will be determined at the time of <br /> service. <br /> The soils on this site are a sandy loam. The seasonally saturated soils were located at <br /> 60" to 66" (mottled soil). <br /> The soils at a depth of 18" to 28" have a percolation rate of 20.4 mpi. <br /> 1 <br />