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.S l � �� � �` ,�,` u �-. <br /> � ' � �j Rusty Olson's--Soil and Percolation Testing <br /> �UU <br /> Joseph J. Olson--MPCA License#810 <br /> ��— (���-!�r�� 11481 Riverview Rd. NE, Hanover, MN 55341 <br /> (612) 498-8779 <br /> � ���� ._ � <br /> February 11, 1999 <br /> Bill Fink <br /> 290 Big Island <br /> Orono, Henn. Co. <br /> This on-site Sewage Treatment System is Designed for a Type 1, three bedroom home in <br /> accordance with the Minnesota Pollution Control Agency Chapter 7080 and local ordinances. <br /> Soils on this site are SCS soils mapped -- HBC Hayden Loam. The seasonally high water tablc <br /> was present at 4.2'- 5.0'. <br /> The soils at a depth of 14" have a percolation rate averaging 7.2 min/inch. <br /> The system is designed as a gravelless trench system with drop boxes. <br /> Existing tank must be abandoned. <br /> A lift station will need to be installed in a third tank. <br /> A lift pump must be installed in lowest level to lift effluent to proposed septic tanks. <br /> All neighboring wells are located greater than 50' away and are greater than 50' deep. <br /> Keep all hcavy equipment off of the proposed treatment areas before and after construction. <br /> The treatment area should be marked off before construction. This Design is not valid & the <br /> System will need to be relocated if failure to protect the areas proposed for On-Site Sewage <br /> Trcatmcnt occurs. <br /> With proper instatlation and maintenance, this system should have no problem in treating <br /> septic effluent effectively. <br /> Nothing other than gray water, (laundry, showers, etc.) human water & toilet tissue should be <br /> disposed of into the septic tanks. Garbage disposals are not recommended. Additives must not <br /> be used, they may cause harmful damage to your septic system. It is recommended that you <br /> pump the tank every ycar for 1� tank every year for 1 tank every two years for two tanks. <br /> � <br /> , ��,- <br /> ��/ �, ( <br /> G. -� <br /> Joseph J. Olson <br />