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P , <br /> SITE EVALUATION REPORT <br /> FOR PAUL PHILLIPS <br /> 2160 6th AVENUE NORTH <br /> ORONO, MINNESOTA <br /> 5-4-85 <br /> On April 13-14, 1985 two lots (1 and 2) were tested for both a primary <br /> and an alternate drainfield site under the provisions of Individual Sewage <br /> Treatment Systems Standards(WPC-40). Lot 3 is the existing house and Lot 4 <br /> comprises all of Lot 1, Block 1, Eckstrom Addition which was tested previous- <br /> ly by others and the results of that are enclosed. <br /> Lot 1, the North lot, had an average percolation rate of 12.1 minutes <br /> per inch on the primary site(holes 1-4) but because of a high possible water <br /> table at slightly over 3 feet a shallow trench system would be required along <br /> with the use of an interceptor draintile. The alternate site(holes 5-6) had <br /> an average rate of 20.0 minutes per inch with a possible water table at 3.0 <br /> -et re•uir'n• a mo .• - • - - - . - ' .. .ble to be lowered <br /> The South lot (2) had a percolation rate of 26.8 minutes per inch on the <br /> primary site and 32.0 minutes per inch on the alternate site, but because of <br /> fo-,( ` high possible water tables around 2 feet, mound systems would be needed in <br /> both cases. <br /> .• • noted that the higher areas on each lot were tested for <br /> the drainfield sites. Once a house is proposed, a specific system design <br /> will be needed. If any other information is needed, please contact me. <br /> Sincerely, <br /> PERCOR, INC. <br /> Mark S. Gronberg, P.E. b <br />