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KOCH’S SOIL TESTING <br />P.O.BOX 81 <br />LORETTO.MN 55357 <br />TEL; (612) 479-2637 <br />1/2/96 <br />Edna Albce Estate <br />Job Site: 1575 Long Lake Blvd., Orono, Mn. <br />Percolation tests and soil borings were done on the above lot on 11/7/95 to <br />what type of drainfield could be installed to replace the current system whtch <br />Te^a^Jll'ge pcicllion rate was 19.9 min./in. and the depth to mottled soil was at 39^48 <br />‘"see the enclosed soil bormgs and percolation tests for the details. Note: the perc. test <br />tor th. propeny due to the monied soil level <br />Ritter Excavating. Rockford, Mn.) and Robert Koch (Koch Soil Testing. <br />42 inches to 48 inches. It was agreed that the gravelless ttench system would be <br />of topsoil will be done will be up to the contractor/mstaller as proper dram g <br />the system should be increased by 20% or to a size of 900 sq. ft. <br />Overall drainfield size: 900 sq. ft. j j mn ftr——:r..■«« <br />iTyears. This practice will enhance the life of the system. <br />MPCA Certified <br />Robert Koch